A O | |
novel O | |
SCN5A O | |
mutation O | |
manifests O | |
as O | |
a O | |
malignant O | |
form O | |
of O | |
long B | |
QT I | |
syndrome I | |
with O | |
perinatal O | |
onset O | |
of O | |
tachycardia B | |
/ I | |
bradycardia I | |
. O | |
OBJECTIVE O | |
: O | |
Congenital O | |
long B | |
QT I | |
syndrome I | |
( O | |
LQTS B | |
) O | |
with O | |
in O | |
utero O | |
onset O | |
of O | |
the O | |
rhythm B | |
disturbances I | |
is O | |
associated O | |
with O | |
a O | |
poor O | |
prognosis O | |
. O | |
In O | |
this O | |
study O | |
we O | |
investigated O | |
a O | |
newborn O | |
patient O | |
with O | |
fetal O | |
bradycardia B | |
, O | |
2 O | |
: O | |
1 O | |
atrioventricular B | |
block I | |
and O | |
ventricular B | |
tachycardia I | |
soon O | |
after O | |
birth O | |
. O | |
METHODS O | |
: O | |
Mutational O | |
analysis O | |
and O | |
DNA O | |
sequencing O | |
were O | |
conducted O | |
in O | |
a O | |
newborn O | |
. O | |
The O | |
2 O | |
: O | |
1 O | |
atrioventricular B | |
block I | |
improved O | |
to O | |
1 O | |
: O | |
1 O | |
conduction O | |
only O | |
after O | |
intravenous O | |
lidocaine O | |
infusion O | |
or O | |
a O | |
high O | |
dose O | |
of O | |
mexiletine O | |
, O | |
which O | |
also O | |
controlled O | |
the O | |
ventricular B | |
tachycardia I | |
. O | |
RESULTS O | |
: O | |
A O | |
novel O | |
, O | |
spontaneous O | |
LQTS B | |
- I | |
3 I | |
mutation O | |
was O | |
identified O | |
in O | |
the O | |
transmembrane O | |
segment O | |
6 O | |
of O | |
domain O | |
IV O | |
of O | |
the O | |
Na O | |
( O | |
v O | |
) O | |
1 O | |
. O | |
5 O | |
cardiac O | |
sodium O | |
channel O | |
, O | |
with O | |
a O | |
G O | |
--> O | |
A O | |
substitution O | |
at O | |
codon O | |
1763 O | |
, O | |
which O | |
changed O | |
a O | |
valine O | |
( O | |
GTG O | |
) O | |
to O | |
a O | |
methionine O | |
( O | |
ATG O | |
). O | |
The O | |
proband O | |
was O | |
heterozygous O | |
but O | |
the O | |
mutation O | |
was O | |
absent O | |
in O | |
the O | |
parents O | |
and O | |
the O | |
sister O | |
. O | |
Expression O | |
of O | |
this O | |
mutant O | |
channel O | |
in O | |
tsA201 O | |
mammalian O | |
cells O | |
by O | |
site O | |
- O | |
directed O | |
mutagenesis O | |
revealed O | |
a O | |
persistent O | |
tetrodotoxin O | |
- O | |
sensitive O | |
but O | |
lidocaine O | |
- O | |
resistant O | |
current O | |
that O | |
was O | |
associated O | |
with O | |
a O | |
positive O | |
shift O | |
of O | |
the O | |
steady O | |
- O | |
state O | |
inactivation O | |
curve O | |
, O | |
steeper O | |
activation O | |
curve O | |
and O | |
faster O | |
recovery O | |
from O | |
inactivation O | |
. O | |
We O | |
also O | |
found O | |
a O | |
similar O | |
electrophysiological O | |
profile O | |
for O | |
the O | |
neighboring O | |
V1764M O | |
mutant O | |
. O | |
But O | |
, O | |
the O | |
other O | |
neighboring O | |
I1762A O | |
mutant O | |
had O | |
no O | |
persistent O | |
current O | |
and O | |
was O | |
still O | |
associated O | |
with O | |
a O | |
positive O | |
shift O | |
of O | |
inactivation O | |
. O | |
CONCLUSIONS O | |
: O | |
These O | |
findings O | |
suggest O | |
that O | |
the O | |
Na O | |
( O | |
v O | |
) O | |
1 O | |
. O | |
5 O | |
/ O | |
V1763M O | |
channel O | |
dysfunction O | |
and O | |
possible O | |
neighboring O | |
mutants O | |
contribute O | |
to O | |
a O | |
persistent O | |
inward O | |
current O | |
due O | |
to O | |
altered O | |
inactivation O | |
kinetics O | |
and O | |
clinically O | |
congenital O | |
LQTS B | |
with O | |
perinatal O | |
onset O | |
of O | |
arrhythmias B | |
that O | |
responded O | |
to O | |
lidocaine O | |
and O | |
mexiletine O | |
. O | |
Allelic O | |
expression O | |
imbalance O | |
of O | |
human O | |
mu O | |
opioid O | |
receptor O | |
( O | |
OPRM1 O | |
) O | |
caused O | |
by O | |
variant O | |
A118G O | |
. O | |
As O | |
a O | |
primary O | |
target O | |
for O | |
opioid O | |
drugs O | |
and O | |
peptides O | |
, O | |
the O | |
mu O | |
opioid O | |
receptor O | |
( O | |
OPRM1 O | |
) O | |
plays O | |
a O | |
key O | |
role O | |
in O | |
pain B | |
perception O | |
and O | |
addiction B | |
. O | |
Genetic O | |
variants O | |
of O | |
OPRM1 O | |
have O | |
been O | |
implicated O | |
in O | |
predisposition O | |
to O | |
drug B | |
addiction I | |
, O | |
in O | |
particular O | |
the O | |
single O | |
nucleotide O | |
polymorphism O | |
A118G O | |
, O | |
leading O | |
to O | |
an O | |
N40D O | |
substitution O | |
, O | |
with O | |
an O | |
allele O | |
frequency O | |
of O | |
10 O | |
- O | |
32 O | |
%, O | |
and O | |
uncertain O | |
functions O | |
. O | |
We O | |
have O | |
measured O | |
allele O | |
- O | |
specific O | |
mRNA O | |
expression O | |
of O | |
OPRM1 O | |
in O | |
human O | |
autopsy O | |
brain O | |
tissues O | |
, O | |
using O | |
A118G O | |
as O | |
a O | |
marker O | |
. O | |
In O | |
8 O | |
heterozygous O | |
samples O | |
measured O | |
, O | |
the O | |
A118 O | |
mRNA O | |
allele O | |
was O | |
1 O | |
. O | |
5 O | |
- O | |
2 O | |
. O | |
5 O | |
- O | |
fold O | |
more O | |
abundant O | |
than O | |
the O | |
G118 O | |
allele O | |
. O | |
Transfection O | |
into O | |
Chinese O | |
hamster O | |
ovary O | |
cells O | |
of O | |
a O | |
cDNA O | |
representing O | |
only O | |
the O | |
coding O | |
region O | |
of O | |
OPRM1 O | |
, O | |
carrying O | |
adenosine O | |
, O | |
guanosine O | |
, O | |
cytidine O | |
, O | |
and O | |
thymidine O | |
in O | |
position O | |
118 O | |
, O | |
resulted O | |
in O | |
1 O | |
. O | |
5 O | |
- O | |
fold O | |
lower O | |
mRNA O | |
levels O | |
only O | |
for O | |
OPRM1 O | |
- O | |
G118 O | |
, O | |
and O | |
more O | |
than O | |
10 O | |
- O | |
fold O | |
lower O | |
OPRM1 O | |
protein O | |
levels O | |
, O | |
measured O | |
by O | |
Western O | |
blotting O | |
and O | |
receptor O | |
binding O | |
assay O | |
. O | |
After O | |
transfection O | |
and O | |
inhibition O | |
of O | |
transcription O | |
with O | |
actinomycin O | |
D O | |
, O | |
analysis O | |
of O | |
mRNA O | |
turnover O | |
failed O | |
to O | |
reveal O | |
differences O | |
in O | |
mRNA O | |
stability O | |
between O | |
A118 O | |
and O | |
G118 O | |
alleles O | |
, O | |
indicating O | |
a O | |
defect O | |
in O | |
transcription O | |
or O | |
mRNA O | |
maturation O | |
. O | |
These O | |
results O | |
indicate O | |
that O | |
OPRM1 O | |
- O | |
G118 O | |
is O | |
a O | |
functional O | |
variant O | |
with O | |
deleterious O | |
effects O | |
on O | |
both O | |
mRNA O | |
and O | |
protein O | |
yield O | |
. O | |
Clarifying O | |
the O | |
functional O | |
relevance O | |
of O | |
polymorphisms O | |
associated O | |
with O | |
susceptibility O | |
to O | |
a O | |
complex O | |
disorder O | |
such O | |
as O | |
drug B | |
addiction I | |
provides O | |
a O | |
foundation O | |
for O | |
clinical O | |
association O | |
studies O | |
. O | |
Genetic O | |
polymorphisms O | |
in O | |
the O | |
carbonyl O | |
reductase O | |
3 O | |
gene O | |
CBR3 O | |
and O | |
the O | |
NAD O | |
( O | |
P O | |
) O | |
H O | |
: O | |
quinone O | |
oxidoreductase O | |
1 O | |
gene O | |
NQO1 O | |
in O | |
patients O | |
who O | |
developed O | |
anthracycline O | |
- O | |
related O | |
congestive B | |
heart I | |
failure I | |
after O | |
childhood O | |
cancer B | |
. O | |
BACKGROUND O | |
: O | |
Exposure O | |
to O | |
anthracyclines O | |
as O | |
part O | |
of O | |
cancer B | |
therapy O | |
has O | |
been O | |
associated O | |
with O | |
the O | |
development O | |
of O | |
congestive B | |
heart I | |
failure I | |
( O | |
CHF B | |
). O | |
The O | |
potential O | |
role O | |
of O | |
genetic O | |
risk O | |
factors O | |
in O | |
anthracycline O | |
- O | |
related O | |
CHF B | |
remains O | |
to O | |
be O | |
defined O | |
. O | |
Thus O | |
, O | |
in O | |
this O | |
study O | |
, O | |
the O | |
authors O | |
examined O | |
whether O | |
common O | |
polymorphisms O | |
in O | |
candidate O | |
genes O | |
involved O | |
in O | |
the O | |
pharmacodynamics O | |
of O | |
anthracyclines O | |
( O | |
in O | |
particular O | |
, O | |
the O | |
nicotinamide O | |
adenine O | |
dinucleotide O | |
phosphate O | |
: O | |
quinone O | |
oxidoreductase O | |
1 O | |
gene O | |
NQO1 O | |
and O | |
the O | |
carbonyl O | |
reductase O | |
3 O | |
gene O | |
CBR3 O | |
) O | |
had O | |
an O | |
impact O | |
on O | |
the O | |
risk O | |
of O | |
anthracycline O | |
- O | |
related O | |
CHF B | |
. O | |
METHODS O | |
: O | |
A O | |
nested O | |
case O | |
- O | |
control O | |
study O | |
was O | |
conducted O | |
within O | |
a O | |
cohort O | |
of O | |
1979 O | |
patients O | |
enrolled O | |
in O | |
the O | |
Childhood O | |
Cancer B | |
Survivor O | |
Study O | |
who O | |
received O | |
treatment O | |
with O | |
anthracyclines O | |
and O | |
had O | |
available O | |
DNA O | |
. O | |
Thirty O | |
patients O | |
with O | |
CHF B | |
( O | |
cases O | |
) O | |
and O | |
115 O | |
matched O | |
controls O | |
were O | |
genotyped O | |
for O | |
polymorphisms O | |
in O | |
NQO1 O | |
( O | |
NQO1 O | |
* O | |
2 O | |
) O | |
and O | |
CBR3 O | |
( O | |
the O | |
CBR3 O | |
valine O | |
[ O | |
V O | |
] O | |
to O | |
methionine O | |
[ O | |
M O | |
] O | |
substitution O | |
at O | |
position O | |
244 O | |
[ O | |
V244M O | |
]). O | |
Enzyme O | |
activity O | |
assays O | |
with O | |
recombinant O | |
CBR3 O | |
isoforms O | |
( O | |
CBR3 O | |
V244 O | |
and O | |
CBR3 O | |
M244 O | |
) O | |
and O | |
the O | |
anthracycline O | |
substrate O | |
doxorubicin O | |
were O | |
used O | |
to O | |
investigate O | |
the O | |
functional O | |
impact O | |
of O | |
the O | |
CBR3 O | |
V244M O | |
polymorphism O | |
. O | |
RESULTS O | |
: O | |
Multivariate O | |
analyses O | |
adjusted O | |
for O | |
sex O | |
and O | |
primary O | |
disease O | |
recurrence O | |
were O | |
used O | |
to O | |
test O | |
for O | |
associations O | |
between O | |
the O | |
candidate O | |
genetic O | |
polymorphisms O | |
( O | |
NQO1 O | |
* O | |
2 O | |
and O | |
CBR3 O | |
V244M O | |
) O | |
and O | |
the O | |
risk O | |
of O | |
CHF B | |
. O | |
Analyses O | |
indicated O | |
no O | |
association O | |
between O | |
the O | |
NQO1 O | |
* O | |
2 O | |
polymorphism O | |
and O | |
the O | |
risk O | |
of O | |
anthracycline O | |
- O | |
related O | |
CHF B | |
( O | |
odds O | |
ratio O | |
[ O | |
OR O | |
], O | |
1 O | |
. O | |
4 O | |
; O | |
P O | |
=. O | |
97 O | |
). O | |
There O | |
was O | |
a O | |
trend O | |
toward O | |
an O | |
association O | |
between O | |
the O | |
CBR3 O | |
V244M O | |
polymorphism O | |
and O | |
the O | |
risk O | |
of O | |
CHF B | |
( O | |
OR O | |
, O | |
8 O | |
. O | |
16 O | |
; O | |
P O | |
=. O | |
56 O | |
for O | |
G O | |
/ O | |
G O | |
vs O | |
A O | |
/ O | |
A O | |
; O | |
OR O | |
, O | |
5 O | |
. O | |
44 O | |
; O | |
P O | |
=. O | |
92 O | |
for O | |
G O | |
/ O | |
A O | |
vs O | |
A O | |
/ O | |
A O | |
). O | |
In O | |
line O | |
, O | |
recombinant O | |
CBR3 O | |
V244 O | |
( O | |
G O | |
allele O | |
) O | |
synthesized O | |
2 O | |
. O | |
6 O | |
- O | |
fold O | |
more O | |
cardiotoxic O | |
doxorubicinol O | |
per O | |
unit O | |
of O | |
time O | |
than O | |
CBR3 O | |
M244 O | |
( O | |
A O | |
allele O | |
; O | |
CBR3 O | |
V244 O | |
[ O | |
8 O | |
. O | |
26 O | |
+/- O | |
3 O | |
. O | |
57 O | |
nmol O | |
/ O | |
hour O | |
. O | |
mg O | |
] O | |
vs O | |
CBR3 O | |
M244 O | |
[ O | |
3 O | |
. O | |
22 O | |
+/- O | |
0 O | |
. O | |
67 O | |
nmol O | |
/ O | |
hour O | |
. O | |
mg O | |
]; O | |
P O | |
=. O | |
1 O | |
). O | |
CONCLUSIONS O | |
: O | |
The O | |
functional O | |
CBR3 O | |
V244M O | |
polymorphism O | |
may O | |
have O | |
an O | |
impact O | |
on O | |
the O | |
risk O | |
of O | |
anthracycline O | |
- O | |
related O | |
CHF B | |
among O | |
childhood O | |
cancer B | |
survivors O | |
by O | |
modulating O | |
the O | |
intracardiac O | |
formation O | |
of O | |
cardiotoxic O | |
anthracycline O | |
alcohol O | |
metabolites O | |
. O | |
Larger O | |
confirmatory O | |
case O | |
- O | |
control O | |
studies O | |
are O | |
warranted O | |
. O | |
Debrisoquine O | |
phenotype O | |
and O | |
the O | |
pharmacokinetics O | |
and O | |
beta O | |
- O | |
2 O | |
receptor O | |
pharmacodynamics O | |
of O | |
metoprolol O | |
and O | |
its O | |
enantiomers O | |
. O | |
The O | |
metabolism O | |
of O | |
the O | |
cardioselective O | |
beta O | |
- O | |
blocker O | |
metoprolol O | |
is O | |
under O | |
genetic O | |
control O | |
of O | |
the O | |
debrisoquine O | |
/ O | |
sparteine O | |
type O | |
. O | |
The O | |
two O | |
metabolic O | |
phenotypes O | |
, O | |
extensive O | |
( O | |
EM O | |
) O | |
and O | |
poor O | |
metabolizers O | |
( O | |
PM O | |
), O | |
show O | |
different O | |
stereoselective O | |
metabolism O | |
, O | |
resulting O | |
in O | |
apparently O | |
higher O | |
beta O | |
- O | |
1 O | |
adrenoceptor O | |
antagonistic O | |
potency O | |
of O | |
racemic O | |
metoprolol O | |
in O | |
EMs O | |
. O | |
We O | |
investigated O | |
if O | |
the O | |
latter O | |
also O | |
applies O | |
to O | |
the O | |
beta O | |
- O | |
2 O | |
adrenoceptor O | |
antagonism O | |
by O | |
metoprolol O | |
. O | |
The O | |
drug O | |
effect O | |
studied O | |
was O | |
the O | |
antagonism O | |
by O | |
metoprolol O | |
of O | |
terbutaline O | |
- O | |
induced O | |
hypokalemia B | |
. O | |
By O | |
using O | |
pharmacokinetic O | |
pharmacodynamic O | |
modeling O | |
the O | |
pharmacodynamics O | |
of O | |
racemic O | |
metoprolol O | |
and O | |
the O | |
active O | |
S O | |
- O | |
isomer O | |
, O | |
were O | |
quantitated O | |
in O | |
EMs O | |
and O | |
PMs O | |
in O | |
terms O | |
of O | |
IC50 O | |
values O | |
, O | |
representing O | |
metoprolol O | |
plasma O | |
concentrations O | |
resulting O | |
in O | |
half O | |
- O | |
maximum O | |
receptor O | |
occupancy O | |
. O | |
Six O | |
EMs O | |
received O | |
0 O | |
. O | |
5 O | |
mg O | |
of O | |
terbutaline O | |
s O | |
. O | |
c O | |
. O | |
on O | |
two O | |
different O | |
occasions O | |
: O | |
1 O | |
) O | |
1 O | |
hr O | |
after O | |
administration O | |
of O | |
a O | |
placebo O | |
and O | |
2 O | |
) O | |
1 O | |
hr O | |
after O | |
150 O | |
mg O | |
of O | |
metoprolol O | |
p O | |
. O | |
o O | |
. O | |
Five O | |
PMs O | |
were O | |
studied O | |
according O | |
to O | |
the O | |
same O | |
protocol O | |
, O | |
except O | |
for O | |
a O | |
higher O | |
terbutaline O | |
dose O | |
( O | |
0 O | |
. O | |
75 O | |
mg O | |
) O | |
on O | |
day O | |
2 O | |
. O | |
Blood O | |
samples O | |
for O | |
the O | |
analysis O | |
of O | |
plasma O | |
potassium O | |
, O | |
terbutaline O | |
, O | |
metoprolol O | |
( O | |
racemic O | |
, O | |
R O | |
- O | |
and O | |
S O | |
- O | |
isomer O | |
), O | |
and O | |
alpha O | |
- O | |
hydroxymetoprolol O | |
concentrations O | |
were O | |
taken O | |
at O | |
regular O | |
time O | |
intervals O | |
, O | |
during O | |
8 O | |
hr O | |
after O | |
metoprolol O | |
. O | |
In O | |
PMs O | |
, O | |
metoprolol O | |
increased O | |
the O | |
terbutaline O | |
area O | |
under O | |
the O | |
plasma O | |
concentration O | |
vs O | |
. O | |
time O | |
curve O | |
(+ O | |
67 O | |
%). O | |
Higher O | |
metoprolol O | |
/ O | |
alpha O | |
- O | |
hydroxymetoprolol O | |
ratios O | |
in O | |
PMs O | |
were O | |
predictive O | |
for O | |
higher O | |
R O | |
-/ O | |
S O | |
- O | |
isomer O | |
ratios O | |
of O | |
unchanged O | |
drug O | |
. O | |
There O | |
was O | |
a O | |
difference O | |
in O | |
metoprolol O | |
potency O | |
with O | |
higher O | |
racemic O | |
metoprolol O | |
IC50 O | |
values O | |
in O | |
PMs O | |
( O | |
72 O | |
+/- O | |
7 O | |
ng O | |
. O | |
ml O | |
- O | |
1 O | |
) O | |
than O | |
EMs O | |
( O | |
42 O | |
+/- O | |
8 O | |
ng O | |
. O | |
ml O | |
- O | |
1 O | |
, O | |
P O | |
less O | |
than O | |
. O | |
1 O | |
). O | |
( O | |
ABSTRACT O | |
TRUNCATED O | |
AT O | |
250 O | |
WORDS O | |
) O | |
The O | |
first O | |
founder O | |
DGUOK O | |
mutation O | |
associated O | |
with O | |
hepatocerebral O | |
mitochondrial B | |
DNA I | |
depletion I | |
syndrome I | |
. O | |
Deoxyguanosine O | |
kinase I | |
( I | |
dGK O | |
) O | |
deficiency I | |
is O | |
a O | |
frequent O | |
cause O | |
of O | |
mitochondrial B | |
DNA I | |
depletion I | |
associated O | |
with O | |
a O | |
hepatocerebral B | |
phenotype O | |
. O | |
In O | |
this O | |
study O | |
, O | |
we O | |
describe O | |
a O | |
new O | |
splice O | |
site O | |
mutation O | |
in O | |
the O | |
DGUOK O | |
gene O | |
and O | |
the O | |
clinical O | |
, O | |
radiologic O | |
, O | |
and O | |
genetic O | |
features O | |
of O | |
these O | |
DGUOK B | |
patients O | |
. O | |
This O | |
new O | |
DGUOK O | |
homozygous O | |
mutation O | |
( O | |
c O | |
. O | |
444 O | |
- O | |
62C O | |
> O | |
A O | |
) O | |
was O | |
identified O | |
in O | |
three O | |
patients O | |
from O | |
two O | |
North O | |
- O | |
African O | |
consanguineous O | |
families O | |
with O | |
combined O | |
respiratory B | |
chain I | |
deficiencies I | |
and O | |
mitochondrial B | |
DNA I | |
depletion I | |
in O | |
the O | |
liver O | |
. O | |
Brain O | |
MRIs O | |
are O | |
normal O | |
in O | |
DGUOK B | |
patients O | |
in O | |
the O | |
literature O | |
. O | |
Interestingly O | |
, O | |
we O | |
found O | |
subtentorial O | |
abnormal O | |
myelination O | |
and O | |
moderate O | |
hyperintensity O | |
in O | |
the O | |
bilateral O | |
pallidi O | |
in O | |
our O | |
patients O | |
. O | |
This O | |
new O | |
mutation O | |
creates O | |
a O | |
cryptic O | |
splice O | |
site O | |
in O | |
intron O | |
3 O | |
( O | |
in O | |
position O | |
- O | |
62 O | |
) O | |
and O | |
is O | |
predicted O | |
to O | |
result O | |
in O | |
a O | |
larger O | |
protein O | |
with O | |
an O | |
in O | |
- O | |
frame O | |
insertion O | |
of O | |
20 O | |
amino O | |
acids O | |
. O | |
In O | |
silico O | |
analysis O | |
of O | |
the O | |
putative O | |
impact O | |
of O | |
the O | |
insertion O | |
shows O | |
serious O | |
clashes O | |
in O | |
protein O | |
conformation O | |
: O | |
this O | |
insertion O | |
disrupts O | |
the O | |
alpha5 O | |
helix O | |
of O | |
the O | |
dGK O | |
kinase O | |
domain O | |
, O | |
rendering O | |
the O | |
protein O | |
unable O | |
to O | |
bind O | |
purine O | |
deoxyribonucleosides O | |
. O | |
In O | |
addition O | |
, O | |
a O | |
common O | |
haplotype O | |
that O | |
segregated O | |
with O | |
the O | |
disease O | |
in O | |
both O | |
families O | |
was O | |
detected O | |
by O | |
haplotype O | |
reconstruction O | |
with O | |
10 O | |
markers O | |
( O | |
microsatellites O | |
and O | |
SNPs O | |
), O | |
which O | |
span O | |
4 O | |
. O | |
6 O | |
Mb O | |
of O | |
DNA O | |
covering O | |
the O | |
DGUOK O | |
locus O | |
. O | |
In O | |
conclusion O | |
, O | |
we O | |
report O | |
a O | |
new O | |
DGUOK O | |
splice O | |
site O | |
mutation O | |
that O | |
provide O | |
insight O | |
into O | |
a O | |
critical O | |
protein O | |
domain O | |
( O | |
dGK O | |
kinase O | |
domain O | |
) O | |
and O | |
the O | |
first O | |
founder O | |
mutation O | |
in O | |
a O | |
North O | |
- O | |
African O | |
population O | |
. O | |
Adenosine O | |
A O | |
( O | |
2A O | |
) O | |
receptor O | |
gene O | |
( O | |
ADORA2A O | |
) O | |
variants O | |
may O | |
increase O | |
autistic B | |
symptoms I | |
and O | |
anxiety B | |
in O | |
autism B | |
spectrum I | |
disorder I | |
. O | |
Autism B | |
spectrum I | |
disorders I | |
( O | |
ASDs B | |
) O | |
are O | |
heterogeneous O | |
disorders O | |
presenting O | |
with O | |
increased O | |
rates O | |
of O | |
anxiety B | |
. O | |
The O | |
adenosine O | |
A O | |
( O | |
2A O | |
) O | |
receptor O | |
gene O | |
( O | |
ADORA2A O | |
) O | |
is O | |
associated O | |
with O | |
panic B | |
disorder I | |
and O | |
is O | |
located O | |
on O | |
chromosome O | |
22q11 O | |
. O | |
23 O | |
. O | |
Its O | |
gene O | |
product O | |
, O | |
the O | |
adenosine O | |
A O | |
( O | |
2A O | |
) O | |
receptor O | |
, O | |
is O | |
strongly O | |
expressed O | |
in O | |
the O | |
caudate O | |
nucleus O | |
, O | |
which O | |
also O | |
is O | |
involved O | |
in O | |
ASD B | |
. O | |
As O | |
autistic B | |
symptoms I | |
are O | |
increased O | |
in O | |
individuals O | |
with O | |
22q11 B | |
. I | |
2 I | |
deletion I | |
syndrome I | |
, O | |
and O | |
large O | |
22q11 O | |
. O | |
2 O | |
deletions O | |
and O | |
duplications O | |
have O | |
been O | |
observed O | |
in O | |
ASD B | |
individuals O | |
, O | |
in O | |
this O | |
study O | |
, O | |
98 O | |
individuals O | |
with O | |
ASD B | |
and O | |
234 O | |
control O | |
individuals O | |
were O | |
genotyped O | |
for O | |
eight O | |
single O | |
- O | |
nucleotide O | |
polymorphisms O | |
in O | |
ADORA2A O | |
. O | |
Nominal O | |
association O | |
with O | |
the O | |
disorder O | |
was O | |
observed O | |
for O | |
rs2236624 O | |
- O | |
CC O | |
, O | |
and O | |
phenotypic O | |
variability O | |
in O | |
ASD B | |
symptoms O | |
was O | |
influenced O | |
by O | |
rs3761422 O | |
, O | |
rs5751876 O | |
and O | |
rs35320474 O | |
. O | |
In O | |
addition O | |
, O | |
association O | |
of O | |
ADORA2A O | |
variants O | |
with O | |
anxiety B | |
was O | |
replicated O | |
for O | |
individuals O | |
with O | |
ASD B | |
. O | |
Findings O | |
point O | |
toward O | |
a O | |
possible O | |
mediating O | |
role O | |
of O | |
ADORA2A O | |
variants O | |
on O | |
phenotypic O | |
expression O | |
in O | |
ASD B | |
that O | |
need O | |
to O | |
be O | |
replicated O | |
in O | |
a O | |
larger O | |
sample O | |
. O | |
High O | |
frequency O | |
of O | |
lamivudine O | |
resistance O | |
mutations O | |
in O | |
Brazilian O | |
patients O | |
co O | |
- O | |
infected I | |
with O | |
HIV B | |
and I | |
hepatitis B | |
B I | |
. O | |
This O | |
study O | |
analyzed O | |
the O | |
genotype O | |
distribution O | |
and O | |
frequency O | |
of O | |
lamivudine O | |
( O | |
LAM O | |
) O | |
and O | |
tenofovir O | |
( O | |
TDF O | |
) O | |
resistance O | |
mutations O | |
in O | |
a O | |
group O | |
of O | |
patients O | |
co O | |
- O | |
infected I | |
with O | |
HIV B | |
and O | |
hepatitis I | |
B I | |
virus I | |
( O | |
HBV I | |
). O | |
A O | |
cross O | |
- O | |
sectional O | |
study O | |
of O | |
847 O | |
patients O | |
with O | |
HIV B | |
was O | |
conducted O | |
. O | |
Patients O | |
provided O | |
blood O | |
samples O | |
for O | |
HBsAg O | |
detection O | |
. O | |
The O | |
load O | |
of O | |
HBV O | |
was O | |
determined O | |
using O | |
an O | |
in O | |
- O | |
house O | |
real O | |
- O | |
time O | |
polymerase O | |
chain O | |
reaction O | |
. O | |
HBV O | |
genotypes O | |
/ O | |
subgenotypes O | |
, O | |
antiviral O | |
resistance O | |
, O | |
basal O | |
core O | |
promoter O | |
( O | |
BCP O | |
), O | |
and O | |
precore O | |
mutations O | |
were O | |
detected O | |
by O | |
DNA O | |
sequencing O | |
. O | |
Twenty O | |
- O | |
eight O | |
patients O | |
with O | |
co O | |
- O | |
infection B | |
were O | |
identified O | |
. O | |
The O | |
distribution O | |
of O | |
HBV O | |
genotypes O | |
among O | |
these O | |
patients O | |
was O | |
A O | |
( O | |
n O | |
= O | |
9 O | |
; O | |
50 O | |
%), O | |
D O | |
( O | |
n O | |
= O | |
4 O | |
; O | |
22 O | |
. O | |
2 O | |
%), O | |
G O | |
( O | |
n O | |
= O | |
3 O | |
; O | |
16 O | |
. O | |
7 O | |
%), O | |
and O | |
F O | |
( O | |
n O | |
= O | |
2 O | |
; O | |
11 O | |
. O | |
1 O | |
%). O | |
Eighteen O | |
patients O | |
were O | |
treated O | |
with O | |
LAM O | |
and O | |
six O | |
patients O | |
were O | |
treated O | |
with O | |
LAM O | |
plus O | |
TDF O | |
. O | |
The O | |
length O | |
of O | |
exposure O | |
to O | |
LAM O | |
and O | |
TDF O | |
varied O | |
from O | |
4 O | |
to O | |
216 O | |
months O | |
. O | |
LAM O | |
resistance O | |
substitutions O | |
( O | |
rtL180M O | |
+ O | |
rtM204V O | |
) O | |
were O | |
detected O | |
in O | |
10 O | |
( O | |
50 O | |
%) O | |
of O | |
the O | |
20 O | |
patients O | |
with O | |
viremia B | |
. O | |
This O | |
pattern O | |
and O | |
an O | |
accompanying O | |
rtV173L O | |
mutation O | |
was O | |
found O | |
in O | |
four O | |
patients O | |
. O | |
Three O | |
patients O | |
with O | |
the O | |
triple O | |
polymerase O | |
substitution O | |
pattern O | |
( O | |
rtV173L O | |
+ O | |
rtL180M O | |
+ O | |
rtM204V O | |
) O | |
had O | |
associated O | |
changes O | |
in O | |
the O | |
envelope O | |
gene O | |
( O | |
sE164D O | |
+ O | |
sI195M O | |
). O | |
Mutations O | |
in O | |
the O | |
BCP O | |
region O | |
( O | |
A1762T O | |
, O | |
G1764A O | |
) O | |
and O | |
in O | |
the O | |
precore O | |
region O | |
( O | |
G1896A O | |
, O | |
G1899A O | |
) O | |
were O | |
also O | |
found O | |
. O | |
No O | |
putative O | |
TDF O | |
resistance O | |
substitution O | |
was O | |
detected O | |
. O | |
The O | |
data O | |
suggest O | |
that O | |
prolonged O | |
LAM O | |
use O | |
is O | |
associated O | |
with O | |
the O | |
emergence O | |
of O | |
particular O | |
changes O | |
in O | |
the O | |
HBV O | |
genome O | |
, O | |
including O | |
substitutions O | |
that O | |
may O | |
elicit O | |
a O | |
vaccine O | |
escape O | |
phenotype O | |
. O | |
No O | |
putative O | |
TDF O | |
resistance O | |
change O | |
was O | |
detected O | |
after O | |
prolonged O | |
use O | |
of O | |
TDF O | |
. O | |
Identification O | |
of O | |
a O | |
novel O | |
FBN1 O | |
gene O | |
mutation O | |
in O | |
a O | |
Chinese O | |
family O | |
with O | |
Marfan B | |
syndrome I | |
. O | |
PURPOSE O | |
: O | |
To O | |
identify O | |
the O | |
mutation O | |
in O | |
the O | |
fibrillin O | |
- O | |
1 O | |
gene O | |
( O | |
FBN1 O | |
) O | |
in O | |
a O | |
Chinese O | |
family O | |
with O | |
Marfan B | |
syndrome I | |
( O | |
MFS B | |
). O | |
METHODS O | |
: O | |
Patients O | |
and O | |
family O | |
members O | |
were O | |
given O | |
complete O | |
physical O | |
, O | |
ophthalmic O | |
, O | |
and O | |
cardiovascular O | |
examinations O | |
. O | |
Genomic O | |
DNA O | |
was O | |
extracted O | |
from O | |
leukocytes O | |
of O | |
venous O | |
blood O | |
of O | |
six O | |
individuals O | |
in O | |
the O | |
family O | |
and O | |
170 O | |
healthy O | |
Chinese O | |
individuals O | |
. O | |
All O | |
of O | |
the O | |
65 O | |
coding O | |
exons O | |
and O | |
their O | |
flanking O | |
intronic O | |
boundaries O | |
of O | |
FBN1 O | |
were O | |
amplified O | |
in O | |
the O | |
proband O | |
by O | |
polymerase O | |
chain O | |
reaction O | |
and O | |
followed O | |
by O | |
direct O | |
sequencing O | |
. O | |
The O | |
mutation O | |
identified O | |
in O | |
the O | |
proband O | |
was O | |
screened O | |
in O | |
the O | |
other O | |
family O | |
members O | |
and O | |
the O | |
170 O | |
healthy O | |
Chinese O | |
individuals O | |
by O | |
direct O | |
sequencing O | |
. O | |
Protein O | |
conservation O | |
analysis O | |
was O | |
performed O | |
in O | |
six O | |
species O | |
using O | |
an O | |
online O | |
ClustalW O | |
tool O | |
. O | |
Protein O | |
structure O | |
was O | |
modeled O | |
based O | |
on O | |
the O | |
Protein O | |
data O | |
bank O | |
and O | |
mutated O | |
in O | |
DeepView O | |
v4 O | |
. O | |
0 O | |
. O | |
1 O | |
to O | |
predict O | |
the O | |
functional O | |
consequences O | |
of O | |
the O | |
mutation O | |
. O | |
RESULTS O | |
: O | |
A O | |
novel O | |
heterozygous O | |
c O | |
. O | |
3703T O | |
> O | |
C O | |
change O | |
in O | |
exon O | |
29 O | |
of O | |
FBN1 O | |
was O | |
detected O | |
in O | |
the O | |
proband O | |
, O | |
which O | |
resulted O | |
in O | |
the O | |
substitution O | |
of O | |
serine O | |
by O | |
proline O | |
at O | |
codon O | |
1235 O | |
( O | |
p O | |
. O | |
S1235P O | |
). O | |
This O | |
mutation O | |
was O | |
also O | |
present O | |
in O | |
two O | |
family O | |
members O | |
but O | |
absent O | |
in O | |
the O | |
other O | |
, O | |
unaffected O | |
family O | |
members O | |
and O | |
the O | |
170 O | |
healthy O | |
Chinese O | |
individuals O | |
. O | |
The O | |
mutant O | |
residue O | |
located O | |
in O | |
the O | |
calcium O | |
binding O | |
epidermal O | |
growth O | |
factor O | |
- O | |
like O | |
# O | |
15 O | |
domain O | |
is O | |
highly O | |
conserved O | |
among O | |
mammalian O | |
species O | |
and O | |
could O | |
probably O | |
induce O | |
conformation O | |
change O | |
of O | |
the O | |
domain O | |
. O | |
CONCLUSIONS O | |
: O | |
We O | |
indentified O | |
a O | |
novel O | |
p O | |
. O | |
S1235P O | |
mutation O | |
in O | |
FBN1 O | |
, O | |
which O | |
is O | |
the O | |
causative O | |
mutation O | |
for O | |
MFS B | |
in O | |
this O | |
family O | |
. O | |
Our O | |
result O | |
expands O | |
the O | |
mutation O | |
spectrum O | |
of O | |
FBN1 O | |
and O | |
contributes O | |
to O | |
the O | |
study O | |
of O | |
the O | |
molecular O | |
pathogenesis O | |
of O | |
Marfan B | |
syndrome I | |
. O | |
Molecular O | |
and O | |
phenotypic O | |
analysis O | |
of O | |
patients O | |
with O | |
deletions O | |
within O | |
the O | |
deletion O | |
- O | |
rich O | |
region O | |
of O | |
the O | |
Duchenne O | |
muscular O | |
dystrophy O | |
( O | |
DMD O | |
) O | |
gene O | |
. O | |
Eighty O | |
unrelated O | |
individuals O | |
with O | |
Duchenne B | |
muscular I | |
dystrophy I | |
( O | |
DMD B | |
) O | |
or O | |
Becker B | |
muscular I | |
dystrophy I | |
( O | |
BMD B | |
) O | |
were O | |
found O | |
to O | |
have O | |
deletions O | |
in O | |
the O | |
major O | |
deletion O | |
- O | |
rich O | |
region O | |
of O | |
the O | |
DMD O | |
locus O | |
. O | |
This O | |
region O | |
includes O | |
the O | |
last O | |
five O | |
exons O | |
detected O | |
by O | |
cDNA5b O | |
- O | |
7 O | |
, O | |
all O | |
exons O | |
detected O | |
by O | |
cDNA8 O | |
, O | |
and O | |
the O | |
first O | |
two O | |
exons O | |
detected O | |
by O | |
cDNA9 O | |
. O | |
These O | |
80 O | |
individuals O | |
account O | |
for O | |
approximately O | |
75 O | |
% O | |
of O | |
109 O | |
deletions O | |
of O | |
the O | |
gene O | |
, O | |
detected O | |
among O | |
181 O | |
patients O | |
analyzed O | |
with O | |
the O | |
entire O | |
dystrophin O | |
cDNA O | |
. O | |
Endpoints O | |
for O | |
many O | |
of O | |
these O | |
deletions O | |
were O | |
further O | |
characterized O | |
using O | |
two O | |
genomic O | |
probes O | |
, O | |
p20 O | |
( O | |
DXS269 O | |
; O | |
Wapenaar O | |
et O | |
al O | |
.) O | |
and O | |
GMGX11 O | |
( O | |
DXS239 O | |
; O | |
present O | |
paper O | |
). O | |
Clinical O | |
findings O | |
are O | |
presented O | |
for O | |
all O | |
80 O | |
patients O | |
allowing O | |
a O | |
correlation O | |
of O | |
phenotypic O | |
severity O | |
with O | |
the O | |
genotype O | |
. O | |
Thirty O | |
- O | |
eight O | |
independent O | |
patients O | |
were O | |
old O | |
enough O | |
to O | |
be O | |
classified O | |
as O | |
DMD B | |
, O | |
BMD B | |
, O | |
or O | |
intermediate O | |
phenotype O | |
and O | |
had O | |
deletions O | |
of O | |
exons O | |
with O | |
sequenced O | |
intron O | |
/ O | |
exon O | |
boundaries O | |
. O | |
Of O | |
these O | |
, O | |
eight O | |
BMD B | |
patients O | |
and O | |
one O | |
intermediate O | |
patient O | |
had O | |
gene O | |
deletions O | |
predicted O | |
to O | |
leave O | |
the O | |
reading O | |
frame O | |
intact O | |
, O | |
while O | |
21 O | |
DMD B | |
patients O | |
, O | |
7 O | |
intermediate O | |
patients O | |
, O | |
and O | |
1 O | |
BMD B | |
patient O | |
had O | |
gene O | |
deletions O | |
predicted O | |
to O | |
disrupt O | |
the O | |
reading O | |
frame O | |
. O | |
Thus O | |
, O | |
with O | |
two O | |
exceptions O | |
, O | |
frameshift O | |
deletions O | |
of O | |
the O | |
gene O | |
resulted O | |
in O | |
more O | |
severe O | |
phenotype O | |
than O | |
did O | |
in O | |
- O | |
frame O | |
deletions O | |
. O | |
This O | |
is O | |
in O | |
agreement O | |
with O | |
recent O | |
findings O | |
by O | |
Baumbach O | |
et O | |
al O | |
. O | |
and O | |
Koenig O | |
et O | |
al O | |
. O | |
but O | |
is O | |
in O | |
contrast O | |
to O | |
findings O | |
, O | |
by O | |
Malhotra O | |
et O | |
al O | |
. O | |
at O | |
the O | |
5 O | |
' O | |
end O | |
of O | |
the O | |
gene O | |
. O | |
Absence O | |
of O | |
PKC O | |
- O | |
alpha O | |
attenuates O | |
lithium O | |
- O | |
induced O | |
nephrogenic B | |
diabetes I | |
insipidus I | |
. O | |
Lithium O | |
, O | |
an O | |
effective O | |
antipsychotic O | |
, O | |
induces O | |
nephrogenic B | |
diabetes I | |
insipidus I | |
( O | |
NDI B | |
) O | |
in O | |
40 O | |
% O | |
of O | |
patients O | |
. O | |
The O | |
decreased O | |
capacity O | |
to O | |
concentrate O | |
urine O | |
is O | |
likely O | |
due O | |
to O | |
lithium O | |
acutely O | |
disrupting O | |
the O | |
cAMP O | |
pathway O | |
and O | |
chronically O | |
reducing O | |
urea O | |
transporter O | |
( O | |
UT O | |
- O | |
A1 O | |
) O | |
and O | |
water O | |
channel O | |
( O | |
AQP2 O | |
) O | |
expression O | |
in O | |
the O | |
inner O | |
medulla O | |
. O | |
Targeting O | |
an O | |
alternative O | |
signaling O | |
pathway O | |
, O | |
such O | |
as O | |
PKC O | |
- O | |
mediated O | |
signaling O | |
, O | |
may O | |
be O | |
an O | |
effective O | |
method O | |
of O | |
treating O | |
lithium O | |
- O | |
induced O | |
polyuria B | |
. O | |
PKC O | |
- O | |
alpha O | |
null O | |
mice O | |
( O | |
PKCa O | |
KO O | |
) O | |
and O | |
strain O | |
- O | |
matched O | |
wild O | |
type O | |
( O | |
WT O | |
) O | |
controls O | |
were O | |
treated O | |
with O | |
lithium O | |
for O | |
0 O | |
, O | |
3 O | |
or O | |
5 O | |
days O | |
. O | |
WT O | |
mice O | |
had O | |
increased O | |
urine O | |
output O | |
and O | |
lowered O | |
urine O | |
osmolality O | |
after O | |
3 O | |
and O | |
5 O | |
days O | |
of O | |
treatment O | |
whereas O | |
PKCa O | |
KO O | |
mice O | |
had O | |
no O | |
change O | |
in O | |
urine O | |
output O | |
or O | |
concentration O | |
. O | |
Western O | |
blot O | |
analysis O | |
revealed O | |
that O | |
AQP2 O | |
expression O | |
in O | |
medullary O | |
tissues O | |
was O | |
lowered O | |
after O | |
3 O | |
and O | |
5 O | |
days O | |
in O | |
WT O | |
mice O | |
; O | |
however O | |
, O | |
AQP2 O | |
was O | |
unchanged O | |
in O | |
PKCa O | |
KO O | |
. O | |
Similar O | |
results O | |
were O | |
observed O | |
with O | |
UT O | |
- O | |
A1 O | |
expression O | |
. O | |
Animals O | |
were O | |
also O | |
treated O | |
with O | |
lithium O | |
for O | |
6 O | |
weeks O | |
. O | |
Lithium O | |
- O | |
treated O | |
WT O | |
mice O | |
had O | |
19 O | |
- O | |
fold O | |
increased O | |
urine O | |
output O | |
whereas O | |
treated O | |
PKCa O | |
KO O | |
animals O | |
had O | |
a O | |
4 O | |
- O | |
fold O | |
increase O | |
in O | |
output O | |
. O | |
AQP2 O | |
and O | |
UT O | |
- O | |
A1 O | |
expression O | |
was O | |
lowered O | |
in O | |
6 O | |
week O | |
lithium O | |
- O | |
treated O | |
WT O | |
animals O | |
whereas O | |
in O | |
treated O | |
PKCa O | |
KO O | |
mice O | |
, O | |
AQP2 O | |
was O | |
only O | |
reduced O | |
by O | |
2 O | |
- O | |
fold O | |
and O | |
UT O | |
- O | |
A1 O | |
expression O | |
was O | |
unaffected O | |
. O | |
Urinary O | |
sodium O | |
, O | |
potassium O | |
and O | |
calcium O | |
were O | |
elevated O | |
in O | |
lithium O | |
- O | |
fed O | |
WT O | |
but O | |
not O | |
in O | |
lithium O | |
- O | |
fed O | |
PKCa O | |
KO O | |
mice O | |
. O | |
Our O | |
data O | |
show O | |
that O | |
ablation O | |
of O | |
PKCa O | |
preserves O | |
AQP2 O | |
and O | |
UT O | |
- O | |
A1 O | |
protein O | |
expression O | |
and O | |
localization O | |
in O | |
lithium O | |
- O | |
induced O | |
NDI B | |
, O | |
and O | |
prevents O | |
the O | |
development O | |
of O | |
the O | |
severe O | |
polyuria B | |
associated O | |
with O | |
lithium O | |
therapy O | |
. O | |
Decreased O | |
Whole O | |
- O | |
Body O | |
Fat O | |
Mass O | |
Produced O | |
by O | |
Chronic O | |
Alcohol O | |
Consumption O | |
is O | |
Associated O | |
with O | |
Activation O | |
of O | |
S6K1 O | |
- O | |
Mediated O | |
Protein O | |
Synthesis O | |
and O | |
Increased O | |
Autophagy O | |
in O | |
Epididymal O | |
White O | |
Adipose O | |
Tissue O | |
. O | |
BACKGROUND O | |
: O | |
Chronic O | |
alcohol O | |
consumption O | |
leads O | |
to O | |
a O | |
loss O | |
of O | |
white O | |
adipose O | |
tissue O | |
( O | |
WAT O | |
) O | |
but O | |
the O | |
underlying O | |
mechanisms O | |
for O | |
this O | |
lipodystrophy B | |
are O | |
not O | |
fully O | |
elucidated O | |
. O | |
This O | |
study O | |
tested O | |
the O | |
hypothesis O | |
that O | |
the O | |
reduction O | |
in O | |
WAT O | |
mass O | |
in O | |
chronic O | |
alcohol O | |
- O | |
fed O | |
mice O | |
is O | |
associated O | |
with O | |
a O | |
decreased O | |
protein O | |
synthesis O | |
specifically O | |
related O | |
to O | |
impaired O | |
function O | |
of O | |
mammalian O | |
target O | |
of O | |
rapamycin O | |
( O | |
mTOR O | |
). O | |
METHODS O | |
: O | |
Adult O | |
male O | |
mice O | |
were O | |
provided O | |
an O | |
alcohol O | |
- O | |
containing O | |
liquid O | |
diet O | |
for O | |
24 O | |
weeks O | |
or O | |
an O | |
isonitrogenous O | |
isocaloric O | |
control O | |
diet O | |
. O | |
In O | |
vivo O | |
protein O | |
synthesis O | |
was O | |
determined O | |
at O | |
this O | |
time O | |
and O | |
thereafter O | |
epididymal O | |
WAT O | |
( O | |
eWAT O | |
) O | |
was O | |
excised O | |
for O | |
analysis O | |
of O | |
signal O | |
transduction O | |
pathways O | |
central O | |
to O | |
controling O | |
protein O | |
synthesis O | |
and O | |
degradation O | |
. O | |
RESULTS O | |
: O | |
While O | |
chronic O | |
alcohol O | |
feeding O | |
decreased O | |
whole O | |
- O | |
body O | |
and O | |
eWAT O | |
mass O | |
, O | |
this O | |
was O | |
associated O | |
with O | |
a O | |
discordant O | |
increase O | |
in O | |
protein O | |
synthesis O | |
in O | |
eWAT O | |
. O | |
This O | |
increase O | |
was O | |
not O | |
associated O | |
with O | |
a O | |
change O | |
in O | |
mTOR O | |
, O | |
4E O | |
- O | |
BP1 O | |
, O | |
Akt O | |
, O | |
or O | |
PRAS40 O | |
phosphorylation O | |
. O | |
Instead O | |
, O | |
a O | |
selective O | |
increase O | |
in O | |
phosphorylation O | |
of O | |
S6K1 O | |
and O | |
its O | |
downstream O | |
substrates O | |
, O | |
S6 O | |
and O | |
eIF4B O | |
was O | |
detected O | |
in O | |
alcohol O | |
- O | |
fed O | |
mice O | |
. O | |
Alcohol O | |
also O | |
increased O | |
eEF2K O | |
phosphorylation O | |
and O | |
decreased O | |
eEF2 O | |
phosphorylation O | |
consistent O | |
with O | |
increased O | |
translation O | |
elongation O | |
. O | |
Alcohol O | |
increased O | |
Atg12 O | |
- O | |
5 O | |
, O | |
LC3B O | |
- O | |
I O | |
and O | |
- O | |
II O | |
, O | |
and O | |
ULK1 O | |
S555 O | |
phosphorylation O | |
, O | |
suggesting O | |
increased O | |
autophagy O | |
, O | |
while O | |
markers O | |
of O | |
apoptosis O | |
( O | |
cleaved O | |
caspase O | |
- O | |
3 O | |
and O | |
- O | |
9 O | |
, O | |
and O | |
PARP O | |
) O | |
were O | |
unchanged O | |
. O | |
Lipolytic O | |
enzymes O | |
( O | |
ATGL O | |
and O | |
HSL O | |
phosphorylation O | |
) O | |
were O | |
increased O | |
and O | |
lipogenic O | |
regulators O | |
( O | |
PPARgamma O | |
and O | |
C O | |
/ O | |
EBPalpha O | |
) O | |
were O | |
decreased O | |
in O | |
eWAT O | |
by O | |
alcohol O | |
. O | |
Although O | |
alcohol O | |
increased O | |
TNF O | |
- O | |
alpha O | |
, O | |
IL O | |
- O | |
6 O | |
, O | |
and O | |
IL O | |
- O | |
1beta O | |
mRNA O | |
, O | |
no O | |
change O | |
in O | |
key O | |
components O | |
of O | |
the O | |
NLRP3 O | |
inflammasome O | |
( O | |
NLRP3 O | |
, O | |
ACS O | |
, O | |
and O | |
cleaved O | |
caspase O | |
- O | |
1 O | |
) O | |
was O | |
detected O | |
suggesting O | |
alcohol O | |
did O | |
not O | |
increase O | |
pyroptosis O | |
. O | |
Plasma O | |
insulin O | |
did O | |
not O | |
differ O | |
between O | |
groups O | |
. O | |
CONCLUSIONS O | |
: O | |
These O | |
results O | |
demonstrate O | |
that O | |
the O | |
alcohol O | |
- O | |
induced O | |
decrease O | |
in O | |
whole O | |
- O | |
body O | |
fat O | |
mass O | |
resulted O | |
in O | |
part O | |
from O | |
activation O | |
of O | |
autophagy O | |
in O | |
eWAT O | |
as O | |
protein O | |
synthesis O | |
was O | |
increased O | |
and O | |
mediated O | |
by O | |
the O | |
specific O | |
increase O | |
in O | |
the O | |
activity O | |
of O | |
S6K1 O | |
. O | |
Nefiracetam O | |
( O | |
DM O | |
- O | |
9384 O | |
) O | |
reverses O | |
apomorphine O | |
- O | |
induced O | |
amnesia B | |
of O | |
a O | |
passive O | |
avoidance O | |
response O | |
: O | |
delayed O | |
emergence O | |
of O | |
the O | |
memory O | |
retention O | |
effects O | |
. O | |
Nefiracetam O | |
is O | |
a O | |
novel O | |
pyrrolidone O | |
derivative O | |
which O | |
attenuates O | |
scopolamine O | |
- O | |
induced O | |
learning O | |
and I | |
post O | |
- O | |
training O | |
consolidation O | |
deficits O | |
. O | |
Given O | |
that O | |
apomorphine O | |
inhibits O | |
passive O | |
avoidance O | |
retention O | |
when O | |
given O | |
during O | |
training O | |
or O | |
in O | |
a O | |
defined O | |
10 O | |
- O | |
12h O | |
post O | |
- O | |
training O | |
period O | |
, O | |
we O | |
evaluated O | |
the O | |
ability O | |
of O | |
nefiracetam O | |
to O | |
attenuate O | |
amnesia B | |
induced O | |
by O | |
dopaminergic O | |
agonism O | |
. O | |
A O | |
step O | |
- O | |
down O | |
passive O | |
avoidance O | |
paradigm O | |
was O | |
employed O | |
and O | |
nefiracetam O | |
( O | |
3 O | |
mg O | |
/ O | |
kg O | |
) O | |
and O | |
apomorphine O | |
( O | |
0 O | |
. O | |
5 O | |
mg O | |
/ O | |
kg O | |
) O | |
were O | |
given O | |
alone O | |
or O | |
in O | |
combination O | |
during O | |
training O | |
and O | |
at O | |
the O | |
10 O | |
- O | |
12h O | |
post O | |
- O | |
training O | |
period O | |
of O | |
consolidation O | |
. O | |
Co O | |
- O | |
administration O | |
of O | |
nefiracetam O | |
and O | |
apomorphine O | |
during O | |
training O | |
or O | |
10h O | |
thereafter O | |
produced O | |
no O | |
significant O | |
anti O | |
- O | |
amnesic B | |
effect O | |
. O | |
However O | |
, O | |
administration O | |
of O | |
nefiracetam O | |
during O | |
training O | |
completely O | |
reversed O | |
the O | |
amnesia B | |
induced O | |
by O | |
apomorphine O | |
at O | |
the O | |
10h O | |
post O | |
- O | |
training O | |
time O | |
and O | |
the O | |
converse O | |
was O | |
also O | |
TRUE O | |
. O | |
These O | |
effects O | |
were O | |
not O | |
mediated O | |
by O | |
a O | |
dopaminergic O | |
mechanism O | |
as O | |
nefiracetam O | |
, O | |
at O | |
millimolar O | |
concentrations O | |
, O | |
failed O | |
to O | |
displace O | |
either O | |
[ O | |
3H O | |
] O | |
SCH O | |
23390 O | |
or O | |
[ O | |
3H O | |
] O | |
spiperone O | |
binding O | |
from O | |
D1 O | |
or O | |
D2 O | |
dopamine O | |
receptor O | |
subtypes O | |
, O | |
respectively O | |
. O | |
It O | |
is O | |
suggested O | |
that O | |
nefiracetam O | |
augments O | |
molecular O | |
processes O | |
in O | |
the O | |
early O | |
stages O | |
of O | |
events O | |
which O | |
ultimately O | |
lead O | |
to O | |
consolidation O | |
of O | |
memory O | |
. O | |
Pethidine O | |
- O | |
associated O | |
seizure B | |
in O | |
a O | |
healthy O | |
adolescent O | |
receiving O | |
pethidine O | |
for O | |
postoperative B | |
pain I | |
control O | |
. O | |
A O | |
healthy O | |
17 O | |
- O | |
year O | |
- O | |
old O | |
male O | |
received O | |
standard O | |
intermittent O | |
doses O | |
of O | |
pethidine O | |
via O | |
a O | |
patient O | |
- O | |
controlled O | |
analgesia O | |
( O | |
PCA O | |
) O | |
pump O | |
for O | |
management O | |
of O | |
postoperative B | |
pain I | |
control O | |
. O | |
Twenty O | |
- O | |
three O | |
h O | |
postoperatively O | |
he O | |
developed O | |
a O | |
brief O | |
self O | |
- O | |
limited O | |
seizure B | |
. O | |
Both O | |
plasma O | |
pethidine O | |
and O | |
norpethidine O | |
were O | |
elevated O | |
in O | |
the O | |
range O | |
associated O | |
with O | |
clinical O | |
manifestations O | |
of O | |
central B | |
nervous I | |
system I | |
excitation I | |
. O | |
No O | |
other O | |
risk O | |
factors O | |
for O | |
CNS B | |
toxicity I | |
were O | |
identified O | |
. O | |
This O | |
method O | |
allowed O | |
frequent O | |
self O | |
- O | |
dosing O | |
of O | |
pethidine O | |
at O | |
short O | |
time O | |
intervals O | |
and O | |
rapid O | |
accumulation O | |
of O | |
pethidine O | |
and O | |
norpethidine O | |
. O | |
The O | |
routine O | |
use O | |
of O | |
pethidine O | |
via O | |
PCA O | |
even O | |
for O | |
a O | |
brief O | |
postoperative O | |
analgesia O | |
should O | |
be O | |
reconsidered O | |
. O | |
Recovery O | |
of O | |
tacrolimus O | |
- O | |
associated O | |
brachial B | |
neuritis I | |
after O | |
conversion O | |
to O | |
everolimus O | |
in O | |
a O | |
pediatric O | |
renal O | |
transplant O | |
recipient O | |
-- O | |
case O | |
report O | |
and O | |
review O | |
of O | |
the O | |
literature O | |
. O | |
TAC O | |
has O | |
been O | |
shown O | |
to O | |
be O | |
a O | |
potent O | |
immunosuppressive O | |
agent O | |
for O | |
solid O | |
organ O | |
transplantation O | |
in O | |
pediatrics O | |
. O | |
Neurotoxicity B | |
is O | |
a O | |
potentially O | |
serious O | |
toxic O | |
effect O | |
. O | |
It O | |
is O | |
characterized O | |
by O | |
encephalopathy B | |
, O | |
headaches B | |
, O | |
seizures B | |
, O | |
or O | |
neurological B | |
deficits I | |
. O | |
Here O | |
, O | |
we O | |
describe O | |
an O | |
eight O | |
- O | |
and O | |
- O | |
a O | |
- O | |
half O | |
- O | |
yr O | |
- O | |
old O | |
male O | |
renal O | |
transplant O | |
recipient O | |
with O | |
right O | |
BN B | |
. O | |
MRI O | |
demonstrated O | |
hyperintense O | |
T2 O | |
signals O | |
in O | |
the O | |
cervical O | |
cord O | |
and O | |
right O | |
brachial O | |
plexus O | |
roots O | |
indicative O | |
of O | |
both O | |
myelitis B | |
and O | |
right B | |
brachial I | |
plexitis I | |
. O | |
Symptoms O | |
persisted O | |
for O | |
three O | |
months O | |
despite O | |
TAC O | |
dose O | |
reduction O | |
, O | |
administration O | |
of O | |
IVIG O | |
and O | |
four O | |
doses O | |
of O | |
methylprednisolone O | |
pulse O | |
therapy O | |
. O | |
Improvement O | |
and O | |
eventually O | |
full O | |
recovery O | |
only O | |
occurred O | |
after O | |
TAC O | |
was O | |
completely O | |
discontinued O | |
and O | |
successfully O | |
replaced O | |
by O | |
everolimus O | |
. O | |
MOL1 O | |
is O | |
required O | |
for O | |
cambium O | |
homeostasis O | |
in O | |
Arabidopsis O | |
. O | |
Plants O | |
maintain O | |
pools O | |
of O | |
pluripotent O | |
stem O | |
cells O | |
which O | |
allow O | |
them O | |
to O | |
constantly O | |
produce O | |
new O | |
tissues O | |
and O | |
organs O | |
. O | |
Stem O | |
cell O | |
homeostasis O | |
in O | |
shoot O | |
and O | |
root O | |
tips O | |
depends O | |
on O | |
negative O | |
regulation O | |
by O | |
ligand O | |
- O | |
receptor O | |
pairs O | |
of O | |
the O | |
CLE O | |
peptide O | |
and O | |
leucine O | |
- O | |
rich O | |
repeat O | |
receptor O | |
- O | |
like O | |
kinase O | |
( O | |
LRR O | |
- O | |
RLK O | |
) O | |
families O | |
. O | |
However O | |
, O | |
regulation O | |
of O | |
the O | |
cambium O | |
, O | |
the O | |
stem O | |
cell O | |
niche O | |
required O | |
for O | |
lateral O | |
growth O | |
of O | |
shoots O | |
and O | |
roots O | |
, O | |
is O | |
poorly O | |
characterized O | |
. O | |
Here O | |
we O | |
show O | |
that O | |
the O | |
LRR O | |
- O | |
RLK O | |
MOL1 O | |
is O | |
necessary O | |
for O | |
cambium O | |
homeostasis O | |
in O | |
Arabidopsis O | |
thaliana O | |
. O | |
By O | |
employing O | |
promoter O | |
reporter O | |
lines O | |
, O | |
we O | |
reveal O | |
that O | |
MOL1 O | |
is O | |
active O | |
in O | |
a O | |
domain O | |
that O | |
is O | |
distinct O | |
from O | |
the O | |
domain O | |
of O | |
the O | |
positively O | |
acting O | |
CLE41 O | |
/ O | |
PXY O | |
signaling O | |
module O | |
. O | |
In O | |
particular O | |
, O | |
we O | |
show O | |
that O | |
MOL1 O | |
acts O | |
in O | |
an O | |
opposing O | |
manner O | |
to O | |
the O | |
CLE41 O | |
/ O | |
PXY O | |
module O | |
and O | |
that O | |
changing O | |
the O | |
domain O | |
or O | |
level O | |
of O | |
MOL1 O | |
expression O | |
both O | |
result O | |
in O | |
disturbed O | |
cambium O | |
organization O | |
. O | |
Underlining O | |
discrete O | |
roles O | |
of O | |
MOL1 O | |
and O | |
PXY O | |
, O | |
both O | |
LRR O | |
- O | |
RLKs O | |
are O | |
not O | |
able O | |
to O | |
replace O | |
each O | |
other O | |
when O | |
their O | |
expression O | |
domains O | |
are O | |
interchanged O | |
. O | |
Furthermore O | |
, O | |
MOL1 O | |
but O | |
not O | |
PXY O | |
is O | |
able O | |
to O | |
rescue O | |
CLV1 O | |
deficiency O | |
in O | |
the O | |
shoot O | |
apical O | |
meristem O | |
. O | |
By O | |
identifying O | |
genes O | |
mis O | |
- O | |
expressed O | |
in O | |
mol1 O | |
mutants O | |
, O | |
we O | |
demonstrate O | |
that O | |
MOL1 O | |
represses O | |
genes O | |
associated O | |
with O | |
stress O | |
- O | |
related O | |
ethylene O | |
and O | |
jasmonic O | |
acid O | |
hormone O | |
signaling O | |
pathways O | |
which O | |
have O | |
known O | |
roles O | |
in O | |
coordinating O | |
lateral O | |
growth O | |
of O | |
the O | |
Arabidopsis O | |
stem O | |
. O | |
Our O | |
findings O | |
provide O | |
evidence O | |
that O | |
common O | |
regulatory O | |
mechanisms O | |
in O | |
different O | |
plant O | |
stem O | |
cell O | |
niches O | |
are O | |
adapted O | |
to O | |
specific O | |
niche O | |
anatomies O | |
and O | |
emphasize O | |
the O | |
importance O | |
of O | |
a O | |
complex O | |
spatial O | |
organization O | |
of O | |
intercellular O | |
signaling O | |
cascades O | |
for O | |
a O | |
strictly O | |
bidirectional O | |
tissue O | |
production O | |
. O | |
In O | |
vivo O | |
evidences O | |
suggesting O | |
the O | |
role O | |
of O | |
oxidative O | |
stress O | |
in O | |
pathogenesis O | |
of O | |
vancomycin O | |
- O | |
induced O | |
nephrotoxicity B | |
: O | |
protection O | |
by O | |
erdosteine O | |
. O | |
The O | |
aims O | |
of O | |
this O | |
study O | |
were O | |
to O | |
examine O | |
vancomycin O | |
( O | |
VCM O | |
)- O | |
induced O | |
oxidative O | |
stress O | |
that O | |
promotes O | |
production O | |
of O | |
reactive O | |
oxygen O | |
species O | |
( O | |
ROS O | |
) O | |
and O | |
to O | |
investigate O | |
the O | |
role O | |
of O | |
erdosteine O | |
, O | |
an O | |
expectorant O | |
agent O | |
, O | |
which O | |
has O | |
also O | |
antioxidant O | |
properties O | |
, O | |
on O | |
kidney O | |
tissue O | |
against O | |
the O | |
possible O | |
VCM O | |
- O | |
induced O | |
renal B | |
impairment I | |
in O | |
rats O | |
. O | |
Rats O | |
were O | |
divided O | |
into O | |
three O | |
groups O | |
: O | |
sham O | |
, O | |
VCM O | |
and O | |
VCM O | |
plus O | |
erdosteine O | |
. O | |
VCM O | |
was O | |
administrated O | |
intraperitoneally O | |
( O | |
i O | |
. O | |
p O | |
.) O | |
with O | |
200mgkg O | |
(- O | |
1 O | |
) O | |
twice O | |
daily O | |
for O | |
7 O | |
days O | |
. O | |
Erdosteine O | |
was O | |
administered O | |
orally O | |
. O | |
VCM O | |
administration O | |
to O | |
control O | |
rats O | |
significantly O | |
increased O | |
renal O | |
malondialdehyde O | |
( O | |
MDA O | |
) O | |
and O | |
urinary O | |
N O | |
- O | |
acetyl O | |
- O | |
beta O | |
- O | |
d O | |
- O | |
glucosaminidase O | |
( O | |
NAG O | |
, O | |
a O | |
marker O | |
of O | |
renal B | |
tubular I | |
injury I | |
) O | |
excretion O | |
but O | |
decreased O | |
superoxide O | |
dismutase O | |
( O | |
SOD O | |
) O | |
and O | |
catalase O | |
( O | |
CAT O | |
) O | |
activities O | |
. O | |
Erdosteine O | |
administration O | |
with O | |
VCM O | |
injections O | |
caused O | |
significantly O | |
decreased O | |
renal O | |
MDA O | |
and O | |
urinary O | |
NAG O | |
excretion O | |
, O | |
and O | |
increased O | |
SOD O | |
activity O | |
, O | |
but O | |
not O | |
CAT O | |
activity O | |
in O | |
renal O | |
tissue O | |
when O | |
compared O | |
with O | |
VCM O | |
alone O | |
. O | |
Erdosteine O | |
showed O | |
histopathological O | |
protection O | |
against O | |
VCM O | |
- O | |
induced O | |
nephrotoxicity B | |
. O | |
There O | |
were O | |
a O | |
significant O | |
dilatation O | |
of O | |
tubular O | |
lumens O | |
, O | |
extensive O | |
epithelial O | |
cell O | |
vacuolization O | |
, O | |
atrophy B | |
, O | |
desquamation O | |
, O | |
and O | |
necrosis B | |
in O | |
VCM O | |
- O | |
treated O | |
rats O | |
more O | |
than O | |
those O | |
of O | |
the O | |
control O | |
and O | |
the O | |
erdosteine O | |
groups O | |
. O | |
Erdosteine O | |
caused O | |
a O | |
marked O | |
reduction O | |
in O | |
the O | |
extent O | |
of O | |
tubular B | |
damage I | |
. O | |
It O | |
is O | |
concluded O | |
that O | |
oxidative O | |
tubular B | |
damage I | |
plays O | |
an O | |
important O | |
role O | |
in O | |
the O | |
VCM O | |
- O | |
induced O | |
nephrotoxicity B | |
and O | |
the O | |
modulation O | |
of O | |
oxidative O | |
stress O | |
with O | |
erdosteine O | |
reduces O | |
the O | |
VCM O | |
- O | |
induced O | |
kidney B | |
damage I | |
both O | |
at O | |
the O | |
biochemical O | |
and O | |
histological O | |
levels O | |
. O | |
Mutation O | |
screening O | |
of O | |
the O | |
GUCA1B O | |
gene O | |
in O | |
patients O | |
with O | |
autosomal O | |
dominant O | |
cone B | |
and O | |
cone I | |
rod I | |
dystrophy I | |
. O | |
Background O | |
: O | |
Heterozygous O | |
mutations O | |
in O | |
GUCA1A O | |
( O | |
MIM O | |
# O | |
600364 O | |
) O | |
have O | |
been O | |
identified O | |
to O | |
cause O | |
autosomal O | |
dominantly O | |
inherited O | |
cone B | |
dystrophy I | |
, O | |
cone B | |
rod I | |
dystrophy I | |
and I | |
macular B | |
dystrophy I | |
. O | |
However O | |
, O | |
the O | |
role O | |
of O | |
GUCA1B O | |
gene O | |
mutations O | |
in O | |
inherited B | |
retinal I | |
disease I | |
has O | |
been O | |
controversial O | |
. O | |
We O | |
therefore O | |
performed O | |
a O | |
mutation O | |
analysis O | |
of O | |
the O | |
GUCA1B O | |
gene O | |
in O | |
a O | |
clinically O | |
well O | |
characterized O | |
group O | |
of O | |
patients O | |
of O | |
European O | |
and O | |
North O | |
- O | |
American O | |
geographical O | |
origin O | |
with O | |
autosomal O | |
dominantly O | |
inherited O | |
cone B | |
dystrophy I | |
and O | |
cone B | |
rod I | |
dystrophy I | |
. O | |
Material O | |
and O | |
Methods O | |
: O | |
Twenty O | |
- O | |
four O | |
unrelated O | |
patients O | |
diagnosed O | |
with O | |
cone B | |
dystrophy I | |
or O | |
cone B | |
rod I | |
dystrophy I | |
according O | |
to O | |
standard O | |
diagnostic O | |
criteria O | |
and O | |
a O | |
family O | |
history O | |
consistent O | |
with O | |
an O | |
autosomal O | |
dominant O | |
mode O | |
of O | |
inheritance O | |
were O | |
included O | |
in O | |
the O | |
study O | |
. O | |
Mutation O | |
analysis O | |
of O | |
all O | |
coding O | |
exons O | |
of O | |
the O | |
GUCA1B O | |
gene O | |
was O | |
performed O | |
by O | |
polymerase O | |
chain O | |
reaction O | |
amplification O | |
of O | |
genomic O | |
DNA O | |
and O | |
subsequent O | |
DNA O | |
sequencing O | |
. O | |
Results O | |
: O | |
Three O | |
different O | |
sequence O | |
variants O | |
, O | |
c O | |
.- O | |
17T O | |
> O | |
C O | |
, O | |
c O | |
. O | |
171T O | |
> O | |
C O | |
, O | |
c O | |
. O | |
465G O | |
> O | |
T O | |
were O | |
identified O | |
. O | |
The O | |
sequence O | |
variant O | |
c O | |
. O | |
465G O | |
> O | |
T O | |
encodes O | |
a O | |
conservative O | |
amino O | |
acid O | |
substitution O | |
, O | |
p O | |
. O | |
Glu155Asp O | |
, O | |
located O | |
in O | |
EF O | |
- O | |
hand O | |
4 O | |
, O | |
the O | |
calcium O | |
binding O | |
site O | |
of O | |
GCAP2 O | |
protein O | |
. O | |
All O | |
sequence O | |
variants O | |
were O | |
previously O | |
reported O | |
in O | |
healthy O | |
subjects O | |
. O | |
Conclusion O | |
: O | |
The O | |
absence O | |
of O | |
clearly O | |
pathogenic O | |
mutations O | |
in O | |
the O | |
selected O | |
patient O | |
group O | |
suggests O | |
that O | |
the O | |
GUCA1B O | |
gene O | |
is O | |
a O | |
minor O | |
cause O | |
for O | |
retinal B | |
degenerations I | |
in O | |
Europeans O | |
or O | |
North O | |
- O | |
Americans O | |
. O | |
Cardioprotective O | |
effect O | |
of O | |
tincture O | |
of O | |
Crataegus O | |
on O | |
isoproterenol O | |
- O | |
induced O | |
myocardial B | |
infarction I | |
in O | |
rats O | |
. O | |
Tincture O | |
of O | |
Crataegus O | |
( O | |
TCR O | |
), O | |
an O | |
alcoholic O | |
extract O | |
of O | |
the O | |
berries O | |
of O | |
hawthorn O | |
( O | |
Crataegus O | |
oxycantha O | |
), O | |
is O | |
used O | |
in O | |
herbal O | |
and O | |
homeopathic O | |
medicine O | |
. O | |
The O | |
present O | |
study O | |
was O | |
done O | |
to O | |
investigate O | |
the O | |
protective O | |
effect O | |
of O | |
TCR O | |
on O | |
experimentally O | |
induced O | |
myocardial B | |
infarction I | |
in O | |
rats O | |
. O | |
Pretreatment O | |
of O | |
TCR O | |
, O | |
at O | |
a O | |
dose O | |
of O | |
0 O | |
. O | |
5 O | |
mL O | |
/ O | |
100 O | |
g O | |
bodyweight O | |
per O | |
day O | |
, O | |
orally O | |
for O | |
30 O | |
days O | |
, O | |
prevented O | |
the O | |
increase O | |
in O | |
lipid O | |
peroxidation O | |
and O | |
activity O | |
of O | |
marker O | |
enzymes O | |
observed O | |
in O | |
isoproterenol O | |
- O | |
induced O | |
rats O | |
( O | |
85 O | |
mg O | |
kg O | |
(- O | |
1 O | |
) O | |
s O | |
. O | |
c O | |
. O | |
for O | |
2 O | |
days O | |
at O | |
an O | |
interval O | |
of O | |
24 O | |
h O | |
). O | |
TCR O | |
prevented O | |
the O | |
isoproterenol O | |
- O | |
induced O | |
decrease O | |
in O | |
antioxidant O | |
enzymes O | |
in O | |
the O | |
heart O | |
and O | |
increased O | |
the O | |
rate O | |
of O | |
ADP O | |
- O | |
stimulated O | |
oxygen O | |
uptake O | |
and O | |
respiratory O | |
coupling O | |
ratio O | |
. O | |
TCR O | |
protected O | |
against O | |
pathological O | |
changes O | |
induced O | |
by O | |
isoproterenol O | |
in O | |
rat O | |
heart O | |
. O | |
The O | |
results O | |
show O | |
that O | |
pretreatment O | |
with O | |
TCR O | |
may O | |
be O | |
useful O | |
in O | |
preventing O | |
the O | |
damage O | |
induced O | |
by O | |
isoproterenol O | |
in O | |
rat O | |
heart O | |
. O | |
A O | |
novel O | |
splicing O | |
mutation O | |
in O | |
SLC12A3 O | |
associated O | |
with O | |
Gitelman B | |
syndrome I | |
and O | |
idiopathic B | |
intracranial I | |
hypertension I | |
. O | |
We O | |
report O | |
a O | |
case O | |
of O | |
Gitelman B | |
syndrome I | |
( O | |
GS B | |
) O | |
in O | |
a O | |
dizygotic O | |
twin O | |
who O | |
presented O | |
at O | |
12 O | |
years O | |
of O | |
age O | |
with O | |
growth B | |
delay I | |
, O | |
metabolic B | |
alkalosis I | |
, O | |
hypomagnesemia B | |
and O | |
hypokalemia B | |
with O | |
inappropriate B | |
kaliuresis I | |
, O | |
and O | |
idiopathic B | |
intracranial I | |
hypertension I | |
with O | |
bilateral O | |
papilledema I | |
( O | |
pseudotumor B | |
cerebri I | |
). O | |
The O | |
patient O | |
, O | |
her O | |
twin O | |
sister O | |
, O | |
and O | |
her O | |
mother O | |
also O | |
presented O | |
with O | |
cerebral B | |
cavernous I | |
malformations I | |
. O | |
Based O | |
on O | |
the O | |
early O | |
onset O | |
and O | |
normocalciuria O | |
, O | |
Bartter B | |
syndrome I | |
was O | |
diagnosed O | |
first O | |
. O | |
However O | |
, O | |
mutation O | |
analysis O | |
showed O | |
that O | |
the O | |
proband O | |
is O | |
a O | |
compound O | |
heterozygote O | |
for O | |
2 O | |
mutations O | |
in O | |
SLC12A3 O | |
: O | |
a O | |
substitution O | |
of O | |
serine O | |
by O | |
leucine O | |
at O | |
amino O | |
acid O | |
position O | |
555 O | |
( O | |
p O | |
. O | |
Ser555Leu O | |
) O | |
and O | |
a O | |
novel O | |
guanine O | |
to O | |
cytosine O | |
transition O | |
at O | |
the O | |
5 O | |
' O | |
splice O | |
site O | |
of O | |
intron O | |
22 O | |
( O | |
c O | |
. O | |
2633 O | |
+ O | |
1G O | |
> O | |
C O | |
), O | |
providing O | |
the O | |
molecular O | |
diagnosis O | |
of O | |
GS B | |
. O | |
These O | |
mutations O | |
were O | |
not O | |
detected O | |
in O | |
200 O | |
normal O | |
chromosomes O | |
and O | |
cosegregated O | |
within O | |
the O | |
family O | |
. O | |
Analysis O | |
of O | |
complementary O | |
DNA O | |
showed O | |
that O | |
the O | |
heterozygous O | |
nucleotide O | |
change O | |
c O | |
. O | |
2633 O | |
+ O | |
1G O | |
> O | |
C O | |
caused O | |
the O | |
appearance O | |
of O | |
2 O | |
RNA O | |
molecules O | |
, O | |
1 O | |
normal O | |
transcript O | |
and O | |
1 O | |
skipping O | |
the O | |
entire O | |
exon O | |
22 O | |
( O | |
r O | |
. O | |
2521_2634del O | |
). O | |
Supplementation O | |
with O | |
potassium O | |
and O | |
magnesium O | |
improved O | |
clinical O | |
symptoms O | |
and O | |
resulted O | |
in O | |
catch O | |
- O | |
up O | |
growth O | |
, O | |
but O | |
vision O | |
remained O | |
impaired O | |
. O | |
Three O | |
similar O | |
associations O | |
of O | |
Bartter B | |
syndrome I | |
/ O | |
GS B | |
with O | |
pseudotumor B | |
cerebri I | |
were O | |
found O | |
in O | |
the O | |
literature O | |
, O | |
suggesting O | |
that O | |
electrolyte O | |
abnormalities I | |
and O | |
secondary O | |
aldosteronism B | |
may O | |
have O | |
a O | |
role O | |
in O | |
idiopathic B | |
intracranial I | |
hypertension I | |
. O | |
This O | |
study O | |
provides O | |
further O | |
evidence O | |
for O | |
the O | |
phenotypical O | |
heterogeneity O | |
of O | |
GS B | |
and O | |
its O | |
association O | |
with O | |
severe O | |
manifestations O | |
in O | |
children O | |
. O | |
It O | |
also O | |
shows O | |
the O | |
independent O | |
segregation O | |
of O | |
familial O | |
cavernomatosis B | |
and O | |
GS B | |
. O | |
Association O | |
between O | |
polymorphisms O | |
in O | |
SLC30A8 O | |
, O | |
HHEX O | |
, O | |
CDKN2A O | |
/ O | |
B O | |
, O | |
IGF2BP2 O | |
, O | |
FTO O | |
, O | |
WFS1 O | |
, O | |
CDKAL1 O | |
, O | |
KCNQ1 O | |
and O | |
type B | |
2 I | |
diabetes I | |
in O | |
the O | |
Korean O | |
population O | |
. O | |
According O | |
to O | |
recent O | |
genome O | |
- O | |
wide O | |
association O | |
studies O | |
, O | |
a O | |
number O | |
of O | |
single O | |
nucleotide O | |
polymorphisms O | |
( O | |
SNPs O | |
) O | |
are O | |
reported O | |
to O | |
be O | |
associated O | |
with O | |
type B | |
2 I | |
diabetes I | |
mellitus I | |
( O | |
T2DM B | |
). O | |
The O | |
aim O | |
of O | |
the O | |
present O | |
study O | |
was O | |
to O | |
investigate O | |
the O | |
association O | |
among O | |
the O | |
polymorphisms O | |
of O | |
SLC30A8 O | |
, O | |
HHEX O | |
, O | |
CDKN2A O | |
/ O | |
B O | |
, O | |
IGF2BP2 O | |
, O | |
FTO O | |
, O | |
WFS1 O | |
, O | |
CDKAL1 O | |
and O | |
KCNQ1 O | |
and O | |
the O | |
risk O | |
of O | |
T2DM B | |
in O | |
the O | |
Korean O | |
population O | |
. O | |
This O | |
study O | |
was O | |
based O | |
on O | |
a O | |
multicenter O | |
case O | |
- O | |
control O | |
study O | |
, O | |
including O | |
908 O | |
patients O | |
with O | |
T2DM B | |
and O | |
502 O | |
non O | |
- O | |
diabetic O | |
controls O | |
. O | |
We O | |
genotyped O | |
rs13266634 O | |
, O | |
rs1111875 O | |
, O | |
rs10811661 O | |
, O | |
rs4402960 O | |
, O | |
rs8050136 O | |
, O | |
rs734312 O | |
, O | |
rs7754840 O | |
and O | |
rs2237892 O | |
and O | |
measured O | |
the O | |
body O | |
weight O | |
, O | |
body O | |
mass O | |
index O | |
and O | |
fasting O | |
plasma O | |
glucose O | |
in O | |
all O | |
patients O | |
and O | |
controls O | |
. O | |
The O | |
strongest O | |
association O | |
was O | |
found O | |
in O | |
a O | |
variant O | |
of O | |
CDKAL1 O | |
[ O | |
rs7754840 O | |
, O | |
odds O | |
ratio O | |
( O | |
OR O | |
) O | |
= O | |
1 O | |
. O | |
77 O | |
, O | |
95 O | |
% O | |
CI O | |
= O | |
1 O | |
. O | |
50 O | |
- O | |
2 O | |
. O | |
10 O | |
, O | |
p O | |
= O | |
5 O | |
. O | |
0 O | |
x O | |
10 O | |
(- O | |
11 O | |
)]. O | |
The O | |
G O | |
allele O | |
of O | |
rs1111875 O | |
( O | |
OR O | |
= O | |
1 O | |
. O | |
43 O | |
, O | |
95 O | |
% O | |
CI O | |
= O | |
1 O | |
. O | |
18 O | |
- O | |
1 O | |
. O | |
72 O | |
, O | |
p O | |
= O | |
1 O | |
. O | |
8 O | |
x O | |
10 O | |
(- O | |
4 O | |
)) O | |
in O | |
HHEX O | |
), O | |
the O | |
T O | |
allele O | |
of O | |
rs10811661 O | |
( O | |
OR O | |
= O | |
1 O | |
. O | |
47 O | |
, O | |
95 O | |
% O | |
CI O | |
= O | |
1 O | |
. O | |
23 O | |
- O | |
1 O | |
. O | |
75 O | |
, O | |
p O | |
= O | |
2 O | |
. O | |
1 O | |
x O | |
10 O | |
(- O | |
5 O | |
)) O | |
in O | |
CDKN2A O | |
/ O | |
B O | |
) O | |
and O | |
the O | |
C O | |
allele O | |
of O | |
rs2237892 O | |
( O | |
OR O | |
= O | |
1 O | |
. O | |
31 O | |
, O | |
95 O | |
% O | |
CI O | |
= O | |
1 O | |
. O | |
10 O | |
- O | |
1 O | |
. O | |
56 O | |
, O | |
p O | |
= O | |
0 O | |
. O | |
3 O | |
) O | |
in O | |
KCNQ1 O | |
showed O | |
significant O | |
associations O | |
with O | |
T2DM B | |
. O | |
Rs13266634 O | |
( O | |
OR O | |
= O | |
1 O | |
. O | |
19 O | |
, O | |
95 O | |
% O | |
CI O | |
= O | |
1 O | |
. O | |
0 O | |
- O | |
1 O | |
. O | |
42 O | |
, O | |
p O | |
= O | |
0 O | |
. O | |
45 O | |
) O | |
in O | |
SLC30A8 O | |
showed O | |
a O | |
nominal O | |
association O | |
with O | |
the O | |
risk O | |
of O | |
T2DM B | |
, O | |
whereas O | |
SNPs O | |
in O | |
IGF2BP2 O | |
, O | |
FTO O | |
and O | |
WFS1 O | |
were O | |
not O | |
associated O | |
. O | |
In O | |
conclusion O | |
, O | |
we O | |
have O | |
shown O | |
that O | |
SNPs O | |
in O | |
HHEX O | |
, O | |
CDKN2A O | |
/ O | |
B O | |
, O | |
CDKAL1 O | |
, O | |
KCNQ1 O | |
and O | |
SLC30A8 O | |
confer O | |
a O | |
risk O | |
of O | |
T2DM B | |
in O | |
the O | |
Korean O | |
population O | |
. O | |
Serotonin O | |
6 O | |
receptor O | |
gene O | |
is O | |
associated O | |
with O | |
methamphetamine O | |
- O | |
induced O | |
psychosis B | |
in O | |
a O | |
Japanese O | |
population O | |
. O | |
BACKGROUND O | |
: O | |
Altered O | |
serotonergic O | |
neural O | |
transmission O | |
is O | |
hypothesized O | |
to O | |
be O | |
a O | |
susceptibility O | |
factor O | |
for O | |
psychotic B | |
disorders I | |
such O | |
as O | |
schizophrenia B | |
. O | |
The O | |
serotonin O | |
6 O | |
( O | |
5 O | |
- O | |
HT6 O | |
) O | |
receptor O | |
is O | |
therapeutically O | |
targeted O | |
by O | |
several O | |
second O | |
generation O | |
antipsychotics O | |
, O | |
such O | |
as O | |
clozapine O | |
and O | |
olanzapine O | |
, O | |
and O | |
d O | |
- O | |
amphetamine O | |
- O | |
induced O | |
hyperactivity B | |
in O | |
rats O | |
is O | |
corrected O | |
with O | |
the O | |
use O | |
of O | |
a O | |
selective O | |
5 O | |
- O | |
HT6 O | |
receptor O | |
antagonist O | |
. O | |
In O | |
addition O | |
, O | |
the O | |
disrupted O | |
prepulse O | |
inhibition O | |
induced O | |
by O | |
d O | |
- O | |
amphetamine O | |
or O | |
phencyclidine O | |
was O | |
restored O | |
by O | |
5 O | |
- O | |
HT6 O | |
receptor O | |
antagonist O | |
in O | |
an O | |
animal O | |
study O | |
using O | |
rats O | |
. O | |
These O | |
animal O | |
models O | |
were O | |
considered O | |
to O | |
reflect O | |
the O | |
positive O | |
symptoms O | |
of O | |
schizophrenia B | |
, O | |
and O | |
the O | |
above O | |
evidence O | |
suggests O | |
that O | |
altered O | |
5 O | |
- O | |
HT6 O | |
receptors O | |
are O | |
involved O | |
in O | |
the O | |
pathophysiology O | |
of O | |
psychotic B | |
disorders I | |
. O | |
The O | |
symptoms O | |
of O | |
methamphetamine O | |
( O | |
METH O | |
)- O | |
induced O | |
psychosis B | |
are O | |
similar O | |
to O | |
those O | |
of O | |
paranoid B | |
type I | |
schizophrenia B | |
. O | |
Therefore O | |
, O | |
we O | |
conducted O | |
an O | |
analysis O | |
of O | |
the O | |
association O | |
of O | |
the O | |
5 O | |
- O | |
HT6 O | |
gene O | |
( O | |
HTR6 O | |
) O | |
with O | |
METH O | |
- O | |
induced O | |
psychosis B | |
. O | |
METHOD O | |
: O | |
Using O | |
five O | |
tagging O | |
SNPs O | |
( O | |
rs6693503 O | |
, O | |
rs1805054 O | |
, O | |
rs4912138 O | |
, O | |
rs3790757 O | |
and O | |
rs9659997 O | |
), O | |
we O | |
conducted O | |
a O | |
genetic O | |
association O | |
analysis O | |
of O | |
case O | |
- O | |
control O | |
samples O | |
( O | |
197 O | |
METH O | |
- O | |
induced O | |
psychosis B | |
patients O | |
and O | |
337 O | |
controls O | |
) O | |
in O | |
the O | |
Japanese O | |
population O | |
. O | |
The O | |
age O | |
and O | |
sex O | |
of O | |
the O | |
control O | |
subjects O | |
did O | |
not O | |
differ O | |
from O | |
those O | |
of O | |
the O | |
methamphetamine O | |
dependence O | |
patients O | |
. O | |
RESULTS O | |
: O | |
rs6693503 O | |
was O | |
associated O | |
with O | |
METH O | |
- O | |
induced O | |
psychosis B | |
patients O | |
in O | |
the O | |
allele O | |
/ O | |
genotype O | |
- O | |
wise O | |
analysis O | |
. O | |
Moreover O | |
, O | |
this O | |
association O | |
remained O | |
significant O | |
after O | |
Bonferroni O | |
correction O | |
. O | |
In O | |
the O | |
haplotype O | |
- O | |
wise O | |
analysis O | |
, O | |
we O | |
detected O | |
an O | |
association O | |
between O | |
two O | |
markers O | |
( O | |
rs6693503 O | |
and O | |
rs1805054 O | |
) O | |
and O | |
three O | |
markers O | |
( O | |
rs6693503 O | |
, O | |
rs1805054 O | |
and O | |
rs4912138 O | |
) O | |
in O | |
HTR6 O | |
and O | |
METH O | |
- O | |
induced O | |
psychosis B | |
patients O | |
, O | |
respectively O | |
. O | |
CONCLUSION O | |
: O | |
HTR6 O | |
may O | |
play O | |
an O | |
important O | |
role O | |
in O | |
the O | |
pathophysiology O | |
of O | |
METH O | |
- O | |
induced O | |
psychosis B | |
in O | |
the O | |
Japanese O | |
population O | |
. O | |
Reciprocal O | |
effects O | |
of O | |
NNK O | |
and O | |
SLURP O | |
- O | |
1 O | |
on O | |
oncogene O | |
expression O | |
in O | |
target O | |
epithelial O | |
cells O | |
. O | |
AIMS O | |
: O | |
To O | |
elucidate O | |
how O | |
the O | |
nicotinic O | |
acetylcholine O | |
receptors O | |
expressed O | |
on O | |
bronchial O | |
and O | |
oral O | |
epithelial O | |
cells O | |
targeted O | |
by O | |
the O | |
tobacco O | |
nitrosamine O | |
( O | |
4 O | |
-( O | |
methylnitrosamino O | |
)- O | |
1 O | |
-( O | |
3 O | |
- O | |
pyridyl O | |
)- O | |
1 O | |
- O | |
butanone O | |
) O | |
( O | |
NNK O | |
) O | |
facilitate O | |
carcinogenic B | |
transformation O | |
. O | |
MAIN O | |
METHODS O | |
: O | |
Since O | |
NNK O | |
- O | |
dependent O | |
transformation O | |
can O | |
be O | |
abolished O | |
by O | |
the O | |
nicotinergic O | |
secreted O | |
mammalian O | |
Ly O | |
- O | |
6 O | |
/ O | |
urokinase O | |
plasminogen O | |
activator O | |
receptor O | |
related O | |
protein O | |
- O | |
1 O | |
( O | |
SLURP O | |
- O | |
1 O | |
), O | |
we O | |
compared O | |
effects O | |
of O | |
NNK O | |
and O | |
recombinant O | |
( O | |
r O | |
) O | |
SLURP O | |
- O | |
1 O | |
on O | |
the O | |
expression O | |
of O | |
genes O | |
related O | |
to O | |
tumorigenesis B | |
in O | |
human O | |
immortalized O | |
bronchial O | |
and O | |
oral O | |
epithelial O | |
cell O | |
lines O | |
BEP2D O | |
and O | |
Het O | |
- O | |
1A O | |
, O | |
respectively O | |
. O | |
KEY O | |
FINDINGS O | |
: O | |
NNK O | |
stimulated O | |
expression O | |
of O | |
oncogenic O | |
genes O | |
, O | |
including O | |
MYB O | |
and O | |
PIK3CA O | |
in O | |
BEP2D O | |
, O | |
ETS1 O | |
, O | |
NRAS O | |
and O | |
SRC O | |
in O | |
Het O | |
- O | |
1A O | |
, O | |
and O | |
AKT1 O | |
, O | |
KIT O | |
and O | |
RB1 O | |
in O | |
both O | |
cell O | |
types O | |
, O | |
which O | |
could O | |
be O | |
abolished O | |
in O | |
the O | |
presence O | |
of O | |
rSLURP O | |
- O | |
1 O | |
. O | |
Other O | |
cancer B | |
- O | |
related O | |
genes O | |
whose O | |
upregulation O | |
by O | |
NNK O | |
was O | |
abolishable O | |
by O | |
rSLURP O | |
- O | |
1 O | |
were O | |
the O | |
growth O | |
factors O | |
EGF O | |
in O | |
BEP2D O | |
cells O | |
and O | |
HGF O | |
in O | |
Het O | |
- O | |
1A O | |
cells O | |
, O | |
and O | |
the O | |
transcription O | |
factors O | |
CDKN2A O | |
and O | |
STAT3 O | |
( O | |
Het O | |
- O | |
1A O | |
only O | |
). O | |
NNK O | |
also O | |
upregulated O | |
the O | |
anti O | |
- O | |
apoptotic O | |
BCL2 O | |
( O | |
Het O | |
- O | |
1A O | |
) O | |
and O | |
downregulated O | |
the O | |
pro O | |
- O | |
apoptotic O | |
TNF O | |
( O | |
Het O | |
- O | |
1A O | |
), O | |
BAX O | |
and O | |
CASP8 O | |
( O | |
BEP2D O | |
), O | |
all O | |
of O | |
which O | |
could O | |
be O | |
abolished O | |
, O | |
in O | |
part O | |
, O | |
by O | |
rSLURP O | |
- O | |
1 O | |
. O | |
NNK O | |
decreased O | |
expression O | |
of O | |
the O | |
CTNNB1 O | |
gene O | |
encoding O | |
the O | |
intercellular O | |
adhesion O | |
molecule O | |
beta O | |
- O | |
catenin O | |
( O | |
BEP2D O | |
), O | |
as O | |
well O | |
as O | |
tumor B | |
suppressors O | |
CDKN3 O | |
and O | |
FOXD3 O | |
in O | |
BEP2D O | |
cells O | |
and O | |
SERPINB5 O | |
in O | |
Het O | |
- O | |
1A O | |
cells O | |
. O | |
These O | |
pro O | |
- O | |
oncogenic O | |
effects O | |
of O | |
NNK O | |
were O | |
abolished O | |
by O | |
rSLURP O | |
- O | |
1 O | |
that O | |
also O | |
upregulated O | |
RUNX3 O | |
. O | |
SIGNIFICANCE O | |
: O | |
The O | |
obtained O | |
results O | |
identified O | |
target O | |
genes O | |
for O | |
both O | |
NNK O | |
and O | |
SLURP O | |
- O | |
1 O | |
and O | |
shed O | |
light O | |
on O | |
the O | |
molecular O | |
mechanism O | |
of O | |
their O | |
reciprocal O | |
effects O | |
on O | |
tumorigenic B | |
transformation O | |
of O | |
bronchial O | |
and O | |
oral O | |
epithelial O | |
cells O | |
. O | |
Long O | |
- O | |
term O | |
exposure O | |
of O | |
MCF O | |
- O | |
7 O | |
breast B | |
cancer I | |
cells O | |
to O | |
ethanol O | |
stimulates O | |
oncogenic O | |
features O | |
. O | |
Alcohol O | |
consumption O | |
is O | |
a O | |
risk O | |
factor O | |
for O | |
breast B | |
cancer I | |
. O | |
Little O | |
is O | |
known O | |
regarding O | |
the O | |
mechanism O | |
, O | |
although O | |
it O | |
is O | |
assumed O | |
that O | |
acetaldehyde O | |
or O | |
estrogen O | |
mediated O | |
pathways O | |
play O | |
a O | |
role O | |
. O | |
We O | |
previously O | |
showed O | |
that O | |
long O | |
- O | |
term O | |
exposure O | |
to O | |
2 O | |
. O | |
5 O | |
mM O | |
ethanol O | |
( O | |
blood O | |
alcohol O | |
~ O | |
0 O | |
. O | |
12 O | |
%) O | |
of O | |
MCF O | |
- O | |
12A O | |
, O | |
a O | |
human O | |
normal O | |
epithelial O | |
breast O | |
cell O | |
line O | |
, O | |
induced O | |
epithelial O | |
mesenchymal O | |
transition O | |
( O | |
EMT O | |
) O | |
and O | |
oncogenic O | |
transformation O | |
. O | |
In O | |
this O | |
study O | |
, O | |
we O | |
investigated O | |
in O | |
the O | |
human O | |
breast B | |
cancer I | |
cell O | |
line O | |
MCF O | |
- O | |
7 O | |
, O | |
whether O | |
a O | |
similar O | |
exposure O | |
to O | |
ethanol O | |
at O | |
concentrations O | |
ranging O | |
up O | |
to O | |
peak O | |
blood O | |
levels O | |
in O | |
heavy O | |
drinkers O | |
would O | |
increase O | |
malignant O | |
progression O | |
. O | |
Short O | |
- O | |
term O | |
( O | |
1 O | |
- O | |
week O | |
) O | |
incubation O | |
to O | |
ethanol O | |
at O | |
as O | |
low O | |
as O | |
1 O | |
- O | |
5 O | |
mM O | |
( O | |
corresponding O | |
to O | |
blood O | |
alcohol O | |
concentration O | |
of O | |
~ O | |
0 O | |
. O | |
48 O | |
- O | |
0 O | |
. O | |
24 O | |
%) O | |
upregulated O | |
the O | |
stem O | |
cell O | |
related O | |
proteins O | |
4-Oct O | |
and O | |
Nanog O | |
, O | |
but O | |
they O | |
were O | |
reduced O | |
after O | |
exposure O | |
at O | |
25 O | |
mM O | |
. O | |
Long O | |
- O | |
term O | |
( O | |
4 O | |
- O | |
week O | |
) O | |
exposure O | |
to O | |
25 O | |
mM O | |
ethanol O | |
upregulated O | |
the O | |
4-Oct O | |
and O | |
Nanog O | |
proteins O | |
, O | |
as O | |
well O | |
as O | |
the O | |
malignancy B | |
marker O | |
Ceacam6 O | |
. O | |
DNA O | |
microarray O | |
analysis O | |
in O | |
cells O | |
exposed O | |
for O | |
1 O | |
week O | |
showed O | |
upregulated O | |
expression O | |
of O | |
metallothionein O | |
genes O | |
, O | |
particularly O | |
MT1X O | |
. O | |
Long O | |
- O | |
term O | |
exposure O | |
upregulated O | |
expression O | |
of O | |
some O | |
malignancy B | |
related O | |
genes O | |
( O | |
STEAP4 O | |
, O | |
SERPINA3 O | |
, O | |
SAMD9 O | |
, O | |
GDF15 O | |
, O | |
KRT15 O | |
, O | |
ITGB6 O | |
, O | |
TP63 O | |
, O | |
and O | |
PGR O | |
, O | |
as O | |
well O | |
as O | |
the O | |
CEACAM O | |
, O | |
interferon O | |
related O | |
, O | |
and O | |
HLA O | |
gene O | |
families O | |
). O | |
Some O | |
of O | |
these O | |
findings O | |
were O | |
validated O | |
by O | |
RT O | |
- O | |
PCR O | |
. O | |
A O | |
similar O | |
treatment O | |
also O | |
modulated O | |
numerous O | |
microRNAs O | |
( O | |
miRs O | |
) O | |
including O | |
one O | |
regulator O | |
of O | |
4-Oct O | |
as O | |
well O | |
as O | |
miRs O | |
involved O | |
in O | |
oncogenesis B | |
and O | |
/ O | |
or O | |
malignancy B | |
, O | |
with O | |
only O | |
a O | |
few O | |
estrogen O | |
- O | |
induced O | |
miRs O | |
. O | |
Long O | |
- O | |
term O | |
25 O | |
mM O | |
ethanol O | |
also O | |
induced O | |
a O | |
5 O | |
. O | |
6 O | |
- O | |
fold O | |
upregulation O | |
of O | |
anchorage O | |
- O | |
independent O | |
growth O | |
, O | |
an O | |
indicator O | |
of O | |
malignant O | |
- O | |
like O | |
features O | |
. O | |
Exposure O | |
to O | |
acetaldehyde O | |
resulted O | |
in O | |
little O | |
or O | |
no O | |
effect O | |
comparable O | |
to O | |
that O | |
of O | |
ethanol O | |
. O | |
The O | |
previously O | |
shown O | |
alcohol O | |
induction O | |
of O | |
oncogenic O | |
transformation O | |
of O | |
normal O | |
breast O | |
cells O | |
is O | |
now O | |
complemented O | |
by O | |
the O | |
current O | |
results O | |
suggesting O | |
alcohol O | |
' O | |
s O | |
potential O | |
involvement O | |
in O | |
malignant O | |
progression O | |
of O | |
breast B | |
cancer I | |
. O | |
Large O | |
contiguous O | |
gene O | |
deletions O | |
in O | |
Sjogren B | |
- I | |
Larsson I | |
syndrome I | |
. O | |
Sjogren B | |
- I | |
Larsson I | |
syndrome I | |
( O | |
SLS B | |
) O | |
is O | |
an O | |
autosomal B | |
recessive I | |
disorder I | |
characterized O | |
by O | |
ichthyosis B | |
, O | |
mental B | |
retardation I | |
, O | |
spasticity B | |
and O | |
mutations O | |
in O | |
the O | |
ALDH3A2 O | |
gene O | |
for O | |
fatty O | |
aldehyde O | |
dehydrogenase O | |
, O | |
an O | |
enzyme O | |
that O | |
catalyzes O | |
the O | |
oxidation O | |
of O | |
fatty O | |
aldehyde O | |
to O | |
fatty O | |
acid O | |
. O | |
More O | |
than O | |
70 O | |
mutations O | |
have O | |
been O | |
identified O | |
in O | |
SLS B | |
patients O | |
, O | |
including O | |
small O | |
deletions O | |
or O | |
insertions O | |
, O | |
missense O | |
mutations O | |
, O | |
splicing O | |
defects O | |
and O | |
complex O | |
nucleotide O | |
changes O | |
. O | |
We O | |
now O | |
describe O | |
2 O | |
SLS B | |
patients O | |
whose O | |
disease O | |
is O | |
caused O | |
by O | |
large O | |
contiguous O | |
gene O | |
deletions O | |
of O | |
the O | |
ALDH3A2 O | |
locus O | |
on O | |
17p11 O | |
. O | |
2 O | |
. O | |
The O | |
deletions O | |
were O | |
defined O | |
using O | |
long O | |
distance O | |
inverse O | |
PCR O | |
and O | |
microarray O | |
- O | |
based O | |
comparative O | |
genomic O | |
hybridization O | |
. O | |
A O | |
24 O | |
- O | |
year O | |
- O | |
old O | |
SLS O | |
female O | |
was O | |
homozygous O | |
for O | |
a O | |
352 O | |
- O | |
kb O | |
deletion O | |
involving O | |
ALDH3A2 O | |
and O | |
4 O | |
contiguous O | |
genes O | |
including O | |
ALDH3A1 O | |
, O | |
which O | |
codes O | |
for O | |
the O | |
major O | |
soluble O | |
protein O | |
in O | |
cornea O | |
. O | |
Although O | |
lacking O | |
corneal B | |
disease I | |
, O | |
she O | |
showed O | |
severe O | |
symptoms O | |
of O | |
SLS B | |
with O | |
uncommon O | |
deterioration B | |
in I | |
oral I | |
motor I | |
function I | |
and O | |
loss B | |
of I | |
ambulation I | |
. O | |
The O | |
other O | |
19 O | |
- O | |
month O | |
- O | |
old O | |
female O | |
patient O | |
was O | |
a O | |
compound O | |
heterozygote O | |
for O | |
a O | |
1 O | |
. O | |
44 O | |
- O | |
Mb O | |
contiguous O | |
gene O | |
deletion O | |
and O | |
a O | |
missense O | |
mutation O | |
( O | |
c O | |
. O | |
407C O | |
> O | |
T O | |
, O | |
P136L O | |
) O | |
in O | |
ALDH3A2 O | |
. O | |
These O | |
studies O | |
suggest O | |
that O | |
large O | |
gene O | |
deletions O | |
may O | |
account O | |
for O | |
up O | |
to O | |
5 O | |
% O | |
of O | |
the O | |
mutant O | |
alleles O | |
in O | |
SLS B | |
. O | |
Geneticists O | |
should O | |
consider O | |
the O | |
possibility O | |
of O | |
compound O | |
heterozygosity O | |
for O | |
large O | |
deletions O | |
in O | |
patients O | |
with O | |
SLS B | |
and O | |
other O | |
inborn B | |
errors I | |
of I | |
metabolism I | |
, O | |
which O | |
has O | |
implications O | |
for O | |
carrier O | |
testing O | |
and O | |
prenatal O | |
diagnosis O | |
. O | |
Serum O | |
Amyloid O | |
A O | |
Induces O | |
Inflammation B | |
, O | |
Proliferation O | |
and O | |
Cell O | |
Death O | |
in O | |
Activated O | |
Hepatic O | |
Stellate O | |
Cells O | |
. O | |
Serum O | |
amyloid O | |
A O | |
( O | |
SAA O | |
) O | |
is O | |
an O | |
evolutionary O | |
highly O | |
conserved O | |
acute O | |
phase O | |
protein O | |
that O | |
is O | |
predominantly O | |
secreted O | |
by O | |
hepatocytes O | |
. O | |
However O | |
, O | |
its O | |
role O | |
in O | |
liver B | |
injury I | |
and O | |
fibrogenesis B | |
has O | |
not O | |
been O | |
elucidated O | |
so O | |
far O | |
. O | |
In O | |
this O | |
study O | |
, O | |
we O | |
determined O | |
the O | |
effects O | |
of O | |
SAA O | |
on O | |
hepatic O | |
stellate O | |
cells O | |
( O | |
HSCs O | |
), O | |
the O | |
main O | |
fibrogenic O | |
cell O | |
type O | |
of O | |
the O | |
liver O | |
. O | |
Serum O | |
amyloid O | |
A O | |
potently O | |
activated O | |
IkappaB O | |
kinase O | |
, O | |
c O | |
- O | |
Jun O | |
N O | |
- O | |
terminal O | |
kinase O | |
( O | |
JNK O | |
), O | |
Erk O | |
and O | |
Akt O | |
and O | |
enhanced O | |
NF O | |
- O | |
kappaB O | |
- O | |
dependent O | |
luciferase O | |
activity O | |
in O | |
primary O | |
human O | |
and O | |
rat O | |
HSCs O | |
. O | |
Serum O | |
amyloid O | |
A O | |
induced O | |
the O | |
transcription O | |
of O | |
MCP O | |
- O | |
1 O | |
, O | |
RANTES O | |
and O | |
MMP9 O | |
in O | |
an O | |
NF O | |
- O | |
kappaB O | |
- O | |
and O | |
JNK O | |
- O | |
dependent O | |
manner O | |
. O | |
Blockade O | |
of O | |
NF O | |
- O | |
kappaB O | |
revealed O | |
cytotoxic O | |
effects O | |
of O | |
SAA O | |
in O | |
primary O | |
HSCs O | |
with O | |
signs O | |
of O | |
apoptosis O | |
such O | |
as O | |
caspase O | |
3 O | |
and O | |
PARP O | |
cleavage O | |
and O | |
Annexin O | |
V O | |
staining O | |
. O | |
Serum O | |
amyloid O | |
A O | |
induced O | |
HSC O | |
proliferation O | |
, O | |
which O | |
depended O | |
on O | |
JNK O | |
, O | |
Erk O | |
and O | |
Akt O | |
activity O | |
. O | |
In O | |
primary O | |
hepatocytes O | |
, O | |
SAA O | |
also O | |
activated O | |
MAP O | |
kinases O | |
, O | |
but O | |
did O | |
not O | |
induce O | |
relevant O | |
cell O | |
death O | |
after O | |
NF O | |
- O | |
kappaB O | |
inhibition O | |
. O | |
In O | |
two O | |
models O | |
of O | |
hepatic B | |
fibrogenesis I | |
, O | |
CCl4 O | |
treatment O | |
and O | |
bile O | |
duct O | |
ligation O | |
, O | |
hepatic O | |
mRNA O | |
levels O | |
of O | |
SAA1 O | |
and O | |
SAA3 O | |
were O | |
strongly O | |
increased O | |
. O | |
In O | |
conclusion O | |
, O | |
SAA O | |
may O | |
modulate O | |
fibrogenic O | |
responses O | |
in O | |
the O | |
liver O | |
in O | |
a O | |
positive O | |
and O | |
negative O | |
fashion O | |
by O | |
inducing O | |
inflammation B | |
, O | |
proliferation O | |
and O | |
cell O | |
death O | |
in O | |
HSCs O | |
. O | |
Influence O | |
of O | |
interleukin O | |
12B O | |
( O | |
IL12B O | |
) O | |
polymorphisms O | |
on O | |
spontaneous O | |
and O | |
treatment O | |
- O | |
induced O | |
recovery O | |
from O | |
hepatitis B | |
C I | |
virus I | |
infection I | |
. O | |
BACKGROUND O | |
/ O | |
AIMS O | |
: O | |
Interleukin O | |
- O | |
12 O | |
( O | |
IL O | |
- O | |
12 O | |
) O | |
governs O | |
the O | |
Th1 O | |
- O | |
type O | |
immune O | |
response O | |
, O | |
affecting O | |
the O | |
spontaneous O | |
and O | |
treatment O | |
- O | |
induced O | |
recovery O | |
from O | |
HCV B | |
- I | |
infection I | |
. O | |
We O | |
investigated O | |
whether O | |
the O | |
IL12B O | |
polymorphisms O | |
within O | |
the O | |
promoter O | |
region O | |
( O | |
4 O | |
bp O | |
insertion O | |
/ O | |
deletion O | |
) O | |
and O | |
the O | |
3 O | |
'- O | |
UTR O | |
( O | |
1188 O | |
- O | |
A O | |
/ O | |
C O | |
), O | |
which O | |
have O | |
been O | |
reported O | |
to O | |
influence O | |
IL O | |
- O | |
12 O | |
synthesis O | |
, O | |
are O | |
associated O | |
with O | |
the O | |
outcome O | |
of O | |
HCV B | |
infection I | |
. O | |
METHODS O | |
: O | |
We O | |
analyzed O | |
186 O | |
individuals O | |
with O | |
spontaneous O | |
HCV O | |
clearance O | |
, O | |
501 O | |
chronically O | |
HCV B | |
infected I | |
patients O | |
, O | |
and O | |
217 O | |
healthy O | |
controls O | |
. O | |
IL12B O | |
3 O | |
'- O | |
UTR O | |
and O | |
promoter O | |
genotyping O | |
was O | |
performed O | |
by O | |
Taqman O | |
- O | |
based O | |
assays O | |
with O | |
allele O | |
- O | |
specific O | |
oligonucleotide O | |
probes O | |
and O | |
PCR O | |
- O | |
based O | |
allele O | |
- O | |
specific O | |
DNA O | |
- O | |
amplification O | |
, O | |
respectively O | |
. O | |
RESULTS O | |
: O | |
The O | |
proportion O | |
of O | |
IL12B O | |
promoter O | |
and O | |
3 O | |
'- O | |
UTR O | |
genotypes O | |
did O | |
not O | |
differ O | |
significantly O | |
between O | |
the O | |
different O | |
cohorts O | |
. O | |
However O | |
, O | |
HCV O | |
genotype O | |
1 O | |
- O | |
infected O | |
patients O | |
with O | |
high O | |
baseline O | |
viremia B | |
carrying O | |
the O | |
IL12B O | |
3 O | |
'- O | |
UTR O | |
1188 O | |
- O | |
C O | |
- O | |
allele O | |
showed O | |
significantly O | |
higher O | |
sustained O | |
virologic O | |
response O | |
( O | |
SVR O | |
) O | |
rates O | |
( O | |
25 O | |
. O | |
3 O | |
% O | |
vs O | |
. O | |
46 O | |
% O | |
vs O | |
. O | |
54 O | |
. O | |
5 O | |
% O | |
for O | |
A O | |
/ O | |
A O | |
, O | |
A O | |
/ O | |
C O | |
and O | |
C O | |
/ O | |
C O | |
) O | |
due O | |
to O | |
reduced O | |
relapse O | |
rates O | |
( O | |
24 O | |
. O | |
2 O | |
% O | |
vs O | |
. O | |
12 O | |
% O | |
vs O | |
. O | |
zero O | |
% O | |
for O | |
A O | |
/ O | |
A O | |
, O | |
A O | |
/ O | |
C O | |
and O | |
C O | |
/ O | |
C O | |
). O | |
CONCLUSIONS O | |
: O | |
IL12B O | |
3 O | |
'- O | |
UTR O | |
1188 O | |
- O | |
C O | |
- O | |
allele O | |
carriers O | |
appear O | |
to O | |
be O | |
capable O | |
of O | |
responding O | |
more O | |
efficiently O | |
to O | |
antiviral O | |
combination O | |
therapy O | |
as O | |
a O | |
consequence O | |
of O | |
a O | |
reduced O | |
relapse O | |
rate O | |
. O | |
No O | |
association O | |
of O | |
IL12B O | |
polymorphisms O | |
and O | |
self O | |
- O | |
limited O | |
HCV B | |
infection I | |
could O | |
be O | |
demonstrated O | |
. O | |
No O | |
Evidence O | |
for O | |
BRAF O | |
as O | |
a O | |
melanoma B | |
/ O | |
nevus B | |
susceptibility O | |
gene O | |
. O | |
Somatic O | |
mutations O | |
of O | |
BRAF O | |
have O | |
been O | |
identified O | |
in O | |
both O | |
melanoma B | |
tumors I | |
and O | |
benign B | |
nevi I | |
. O | |
Germ O | |
line O | |
mutations O | |
in O | |
BRAF O | |
have O | |
not O | |
been O | |
identified O | |
as O | |
causal O | |
in O | |
families O | |
predisposed O | |
to O | |
melanoma B | |
. O | |
However O | |
, O | |
a O | |
recent O | |
study O | |
suggested O | |
that O | |
a O | |
BRAF O | |
haplotype O | |
was O | |
associated O | |
with O | |
risk O | |
of O | |
sporadic O | |
melanoma B | |
in O | |
men O | |
. O | |
Polymorphisms O | |
or O | |
other O | |
variants O | |
in O | |
the O | |
BRAF O | |
gene O | |
may O | |
therefore O | |
act O | |
as O | |
candidate O | |
low O | |
- O | |
penetrance O | |
genes O | |
for O | |
nevus B | |
/ I | |
melanoma I | |
susceptibility O | |
. O | |
We O | |
hypothesized O | |
that O | |
promoter O | |
variants O | |
would O | |
be O | |
the O | |
most O | |
likely O | |
candidates O | |
for O | |
determinants O | |
of O | |
risk O | |
. O | |
Using O | |
denaturing O | |
high O | |
- O | |
pressure O | |
liquid O | |
chromatography O | |
and O | |
sequencing O | |
, O | |
we O | |
screened O | |
peripheral O | |
blood O | |
DNA O | |
from O | |
184 O | |
familial O | |
melanoma B | |
cases O | |
for O | |
BRAF O | |
promoter O | |
variants O | |
. O | |
We O | |
identified O | |
a O | |
promoter O | |
insertion O | |
/ O | |
deletion O | |
in O | |
linkage O | |
disequilibrium O | |
with O | |
the O | |
previously O | |
described O | |
BRAF O | |
polymorphism O | |
in O | |
intron O | |
11 O | |
( O | |
rs1639679 O | |
) O | |
reported O | |
to O | |
be O | |
associated O | |
with O | |
melanoma B | |
susceptibility O | |
in O | |
males O | |
. O | |
We O | |
therefore O | |
investigated O | |
the O | |
contribution O | |
of O | |
this O | |
BRAF O | |
polymorphism O | |
to O | |
melanoma B | |
susceptibility O | |
in O | |
581 O | |
consecutively O | |
recruited O | |
incident O | |
cases O | |
, O | |
258 O | |
incident O | |
cases O | |
in O | |
a O | |
study O | |
of O | |
late O | |
relapse O | |
, O | |
673 O | |
female O | |
general O | |
practitioner O | |
controls O | |
, O | |
and O | |
the O | |
184 O | |
familial O | |
cases O | |
. O | |
We O | |
found O | |
no O | |
statistically O | |
significant O | |
difference O | |
in O | |
either O | |
genotype O | |
or O | |
allele O | |
frequencies O | |
between O | |
cases O | |
and O | |
controls O | |
overall O | |
or O | |
between O | |
male O | |
and O | |
female O | |
cases O | |
for O | |
the O | |
BRAF O | |
polymorphism O | |
in O | |
the O | |
two O | |
incident O | |
case O | |
series O | |
. O | |
Our O | |
results O | |
therefore O | |
suggest O | |
that O | |
the O | |
BRAF O | |
polymorphism O | |
is O | |
not O | |
significantly O | |
associated O | |
with O | |
melanoma B | |
and O | |
the O | |
promoter O | |
insertion O | |
/ O | |
deletion O | |
linked O | |
with O | |
the O | |
polymorphism O | |
is O | |
not O | |
a O | |
causal O | |
variant O | |
. O | |
In O | |
addition O | |
, O | |
we O | |
found O | |
that O | |
there O | |
was O | |
no O | |
association O | |
between O | |
the O | |
BRAF O | |
genotype O | |
and O | |
mean O | |
total O | |
number O | |
of O | |
banal O | |
or O | |
atypical O | |
nevi B | |
in O | |
either O | |
the O | |
cases O | |
or O | |
controls O | |
. O | |
CFI O | |
- O | |
rs7356506 O | |
polymorphisms O | |
associated O | |
with O | |
Vogt B | |
- I | |
Koyanagi I | |
- I | |
Harada I | |
syndrome I | |
. O | |
PURPOSE O | |
: O | |
Complement O | |
factor O | |
I O | |
( O | |
CFI O | |
) O | |
plays O | |
an O | |
important O | |
role O | |
in O | |
complement O | |
activation O | |
pathways O | |
and O | |
is O | |
known O | |
to O | |
affect O | |
the O | |
development O | |
of O | |
uveitis B | |
. O | |
The O | |
present O | |
study O | |
was O | |
performed O | |
to O | |
investigate O | |
the O | |
existence O | |
of O | |
an O | |
association O | |
between O | |
CFI O | |
genetic O | |
polymorphisms O | |
and O | |
Vogt B | |
- I | |
Koyanagi I | |
- I | |
Harada I | |
( I | |
VKH B | |
) I | |
syndrome I | |
. O | |
METHODS O | |
: O | |
A O | |
total O | |
of O | |
100 O | |
patients O | |
diagnosed O | |
with O | |
VKH B | |
syndrome I | |
and O | |
300 O | |
healthy O | |
controls O | |
were O | |
recruited O | |
for O | |
the O | |
study O | |
. O | |
Two O | |
milliliters O | |
of O | |
peripheral O | |
blood O | |
were O | |
collected O | |
in O | |
a O | |
sterile O | |
anticoagulative O | |
tube O | |
. O | |
CFI O | |
- O | |
rs7356506 O | |
polymorphisms O | |
were O | |
genotyped O | |
using O | |
Sequenom O | |
MassARRAY O | |
technology O | |
. O | |
Allele O | |
and O | |
genotype O | |
frequencies O | |
were O | |
compared O | |
between O | |
patients O | |
and O | |
controls O | |
using O | |
a O | |
X O | |
( O | |
2 O | |
) O | |
test O | |
. O | |
The O | |
analyses O | |
were O | |
stratified O | |
for O | |
recurrent O | |
status O | |
, O | |
complicated O | |
cataract B | |
status O | |
, O | |
and O | |
steroid O | |
- O | |
sensitive O | |
status O | |
. O | |
RESULTS O | |
: O | |
No O | |
significant O | |
association O | |
was O | |
found O | |
between O | |
CFI O | |
- O | |
rs7356506 O | |
polymorphisms O | |
and O | |
VKH B | |
syndrome I | |
. O | |
However O | |
, O | |
patients O | |
with O | |
recurrent O | |
VKH B | |
syndrome I | |
had O | |
lower O | |
frequencies O | |
of O | |
the O | |
G O | |
allele O | |
and O | |
GG O | |
homozygosity O | |
in O | |
CFI O | |
- O | |
rs7356506 O | |
when O | |
compared O | |
to O | |
the O | |
controls O | |
( O | |
p O | |
= O | |
0 O | |
. O | |
16 O | |
, O | |
odds O | |
ratio O | |
[ O | |
OR O | |
]= O | |
0 O | |
. O | |
429 O | |
, O | |
95 O | |
% O | |
confidence O | |
interval O | |
[ O | |
CI O | |
]= O | |
0 O | |
. O | |
212 O | |
- O | |
0 O | |
. O | |
871 O | |
; O | |
p O | |
= O | |
0 O | |
. O | |
14 O | |
, O | |
OR O | |
= O | |
0 O | |
. O | |
364 O | |
, O | |
95 O | |
% O | |
CI O | |
= O | |
0 O | |
. O | |
158 O | |
- O | |
0 O | |
. O | |
837 O | |
, O | |
respectively O | |
). O | |
Furthermore O | |
, O | |
there O | |
were O | |
significant O | |
decreases O | |
in O | |
the O | |
frequencies O | |
of O | |
the O | |
G O | |
allele O | |
and O | |
GG O | |
homozygosity O | |
in O | |
CFI O | |
- O | |
rs7356506 O | |
in O | |
patients O | |
with O | |
VKH B | |
syndrome I | |
with O | |
complicated O | |
cataract B | |
compared O | |
to O | |
the O | |
controls O | |
( O | |
p O | |
< O | |
0 O | |
. O | |
1 O | |
, O | |
OR O | |
= O | |
0 O | |
. O | |
357 O | |
, O | |
95 O | |
% O | |
CI O | |
= O | |
0 O | |
. O | |
197 O | |
- O | |
0 O | |
. O | |
648 O | |
; O | |
p O | |
< O | |
0 O | |
. O | |
1 O | |
, O | |
OR O | |
= O | |
0 O | |
. O | |
273 O | |
, O | |
95 O | |
% O | |
CI O | |
= O | |
0 O | |
. O | |
135 O | |
- O | |
0 O | |
. O | |
551 O | |
, O | |
respectively O | |
). O | |
Nevertheless O | |
, O | |
no O | |
significant O | |
association O | |
with O | |
patients O | |
with O | |
VKH B | |
syndrome I | |
in O | |
steroid O | |
- O | |
sensitive O | |
statuses O | |
was O | |
detected O | |
for O | |
CFI O | |
- O | |
rs7356506 O | |
polymorphisms O | |
. O | |
CONCLUSIONS O | |
: O | |
Our O | |
results O | |
indicate O | |
that O | |
CFI O | |
polymorphisms O | |
are O | |
not O | |
significantly O | |
associated O | |
with O | |
VKH B | |
syndrome I | |
; O | |
nevertheless O | |
, O | |
we O | |
identified O | |
a O | |
trend O | |
for O | |
the O | |
association O | |
of O | |
CFI O | |
- O | |
7356506 O | |
with O | |
VKH B | |
syndrome I | |
that O | |
depends O | |
on O | |
the O | |
recurrent O | |
status O | |
and O | |
the O | |
complicated O | |
cataract B | |
status O | |
but O | |
not O | |
on O | |
the O | |
steroid O | |
- O | |
sensitive O | |
status O | |
. O | |
Two O | |
novel O | |
mutations O | |
in O | |
the O | |
MEN1 O | |
gene O | |
in O | |
subjects O | |
with O | |
multiple B | |
endocrine I | |
neoplasia I | |
- I | |
1 I | |
. O | |
Multiple B | |
endocrine I | |
neoplasia I | |
type I | |
1 I | |
( O | |
MEN1 B | |
) O | |
is O | |
characterized O | |
by O | |
parathyroid B | |
, I | |
enteropancreatic I | |
endocrine I | |
and I | |
pituitary I | |
adenomas I | |
as O | |
well O | |
as O | |
germline O | |
mutation O | |
of O | |
the O | |
MEN1 O | |
gene O | |
. O | |
We O | |
describe O | |
2 O | |
families O | |
with O | |
MEN1 B | |
with O | |
novel O | |
mutations O | |
in O | |
the O | |
MEN1 O | |
gene O | |
. O | |
One O | |
family O | |
was O | |
of O | |
Turkish O | |
origin O | |
, O | |
and O | |
the O | |
index O | |
patient O | |
had O | |
primary B | |
hyperparathyroidism I | |
( O | |
PHPT B | |
) O | |
plus O | |
a O | |
prolactinoma B | |
; O | |
three O | |
relatives O | |
had O | |
PHPT B | |
only O | |
. O | |
The O | |
index O | |
patient O | |
in O | |
the O | |
second O | |
family O | |
was O | |
a O | |
46 O | |
- O | |
yr O | |
- O | |
old O | |
woman O | |
of O | |
Chinese O | |
origin O | |
living O | |
in O | |
Taiwan O | |
. O | |
This O | |
patient O | |
presented O | |
with O | |
a O | |
complaint O | |
of O | |
epigastric B | |
pain I | |
and O | |
watery O | |
diarrhea B | |
over O | |
the O | |
past O | |
3 O | |
months O | |
, O | |
and O | |
had O | |
undergone O | |
subtotal O | |
parathyroidectomy O | |
and O | |
enucleation O | |
of O | |
pancreatic B | |
islet I | |
cell I | |
tumor I | |
about O | |
10 O | |
yr O | |
before O | |
. O | |
There O | |
was O | |
also O | |
a O | |
prolactinoma B | |
. O | |
Sequence O | |
analysis O | |
of O | |
the O | |
MEN1 O | |
gene O | |
from O | |
leukocyte O | |
genomic O | |
DNA O | |
revealed O | |
heterozygous O | |
mutations O | |
in O | |
both O | |
probands O | |
. O | |
The O | |
Turkish O | |
patient O | |
and O | |
her O | |
affected O | |
relatives O | |
all O | |
had O | |
a O | |
heterozygous O | |
A O | |
to O | |
G O | |
transition O | |
at O | |
codon O | |
557 O | |
( O | |
AAG O | |
--> O | |
GAG O | |
) O | |
of O | |
exon O | |
10 O | |
of O | |
MEN1 O | |
that O | |
results O | |
in O | |
a O | |
replacement O | |
of O | |
lysine O | |
by O | |
glutamic O | |
acid O | |
. O | |
The O | |
Chinese O | |
index O | |
patient O | |
and O | |
one O | |
of O | |
her O | |
siblings O | |
had O | |
a O | |
heterozygous O | |
mutation O | |
at O | |
codon O | |
418 O | |
of O | |
exon O | |
9 O | |
( O | |
GAC O | |
--> O | |
TAT O | |
) O | |
that O | |
results O | |
in O | |
a O | |
substitution O | |
of O | |
aspartic O | |
acid O | |
by O | |
tyrosine O | |
. O | |
In O | |
conclusion O | |
, O | |
we O | |
have O | |
identified O | |
2 O | |
novel O | |
missense O | |
mutations O | |
in O | |
the O | |
MEN1 O | |
gene O | |
. O | |
Common O | |
BRCA2 O | |
variants O | |
and O | |
modification O | |
of O | |
breast B | |
and I | |
ovarian I | |
cancer I | |
risk O | |
in O | |
BRCA1 O | |
mutation O | |
carriers O | |
. O | |
The O | |
HH O | |
genotype O | |
of O | |
the O | |
nonconservative O | |
amino O | |
acid O | |
substitution O | |
polymorphism O | |
N372H O | |
in O | |
the O | |
BRCA2 O | |
gene O | |
was O | |
reported O | |
to O | |
be O | |
associated O | |
with O | |
a O | |
1 O | |
. O | |
3 O | |
- O | |
to O | |
1 O | |
. O | |
5 O | |
- O | |
fold O | |
increase O | |
in O | |
risk O | |
of O | |
both O | |
breast B | |
and I | |
ovarian I | |
cancer I | |
. O | |
As O | |
these O | |
studies O | |
concerned O | |
sporadic O | |
cancer B | |
cases O | |
, O | |
we O | |
investigated O | |
whether O | |
N372H O | |
and O | |
another O | |
common O | |
variant O | |
located O | |
in O | |
the O | |
5 O | |
'- O | |
untranslated O | |
region O | |
( O | |
203G O | |
> O | |
A O | |
) O | |
of O | |
the O | |
BRCA2 O | |
gene O | |
modify O | |
breast B | |
or I | |
ovarian I | |
cancer I | |
risk O | |
in O | |
BRCA1 O | |
mutation O | |
carriers O | |
. O | |
The O | |
study O | |
includes O | |
778 O | |
women O | |
carrying O | |
a O | |
BRCA1 O | |
germ O | |
- O | |
line O | |
mutation O | |
belonging O | |
to O | |
403 O | |
families O | |
. O | |
The O | |
two O | |
BRCA2 O | |
variants O | |
were O | |
analyzed O | |
by O | |
the O | |
TaqMan O | |
allelic O | |
discrimination O | |
technique O | |
. O | |
Genotypes O | |
were O | |
analyzed O | |
by O | |
disease O | |
- O | |
free O | |
survival O | |
analysis O | |
using O | |
a O | |
Cox O | |
proportional O | |
hazards O | |
model O | |
. O | |
We O | |
found O | |
no O | |
evidence O | |
of O | |
a O | |
significant O | |
modification O | |
of O | |
breast B | |
cancer I | |
penetrance O | |
in O | |
BRCA1 O | |
mutation O | |
carriers O | |
by O | |
either O | |
polymorphism O | |
. O | |
In O | |
respect O | |
of O | |
ovarian B | |
cancer I | |
risk O | |
, O | |
we O | |
also O | |
saw O | |
no O | |
effect O | |
with O | |
the O | |
N372H O | |
variant O | |
but O | |
we O | |
did O | |
observe O | |
a O | |
borderline O | |
association O | |
with O | |
the O | |
5 O | |
'- O | |
untranslated O | |
region O | |
203A O | |
allele O | |
( O | |
hazard O | |
ratio O | |
, O | |
1 O | |
. O | |
43 O | |
; O | |
CI O | |
, O | |
1 O | |
. O | |
1 O | |
- O | |
2 O | |
. O | |
0 O | |
). O | |
In O | |
contrast O | |
to O | |
the O | |
result O | |
of O | |
Healey O | |
et O | |
al O | |
. O | |
on O | |
newborn O | |
females O | |
and O | |
adult O | |
female O | |
controls O | |
, O | |
we O | |
found O | |
no O | |
departure O | |
from O | |
Hardy O | |
- O | |
Weinberg O | |
equilibrium O | |
in O | |
the O | |
distribution O | |
of O | |
N372H O | |
alleles O | |
for O | |
our O | |
female O | |
BRCA1 O | |
carriers O | |
. O | |
We O | |
conclude O | |
that O | |
if O | |
these O | |
single O | |
- O | |
nucleotide O | |
polymorphisms O | |
do O | |
modify O | |
the O | |
risk O | |
of O | |
cancer B | |
in O | |
BRCA1 O | |
mutation O | |
carriers O | |
, O | |
their O | |
effects O | |
are O | |
not O | |
significantly O | |
larger O | |
than O | |
that O | |
of O | |
N372H O | |
previously O | |
observed O | |
in O | |
the O | |
general O | |
population O | |
. O | |
Transgelin O | |
increases O | |
metastatic O | |
potential O | |
of O | |
colorectal B | |
cancer I | |
cells O | |
in O | |
vivo O | |
and O | |
alters O | |
expression O | |
of O | |
genes O | |
involved O | |
in O | |
cell O | |
motility O | |
. O | |
BACKGROUND O | |
: O | |
Transgelin O | |
is O | |
an O | |
actin O | |
- O | |
binding O | |
protein O | |
that O | |
promotes O | |
motility O | |
in O | |
normal O | |
cells O | |
. O | |
Although O | |
the O | |
role O | |
of O | |
transgelin O | |
in O | |
cancer B | |
is O | |
controversial O | |
, O | |
a O | |
number O | |
of O | |
studies O | |
have O | |
shown O | |
that O | |
elevated O | |
levels O | |
correlate O | |
with O | |
aggressive O | |
tumor B | |
behavior O | |
, O | |
advanced O | |
stage O | |
, O | |
and O | |
poor O | |
prognosis O | |
. O | |
Here O | |
we O | |
sought O | |
to O | |
determine O | |
the O | |
role O | |
of O | |
transgelin O | |
more O | |
directly O | |
by O | |
determining O | |
whether O | |
experimental O | |
manipulation O | |
of O | |
transgelin O | |
levels O | |
in O | |
colorectal B | |
cancer I | |
( O | |
CRC B | |
) O | |
cells O | |
led O | |
to O | |
changes O | |
in O | |
metastatic O | |
potential O | |
in O | |
vivo O | |
. O | |
METHODS O | |
: O | |
Isogenic O | |
CRC B | |
cell O | |
lines O | |
that O | |
differ O | |
in O | |
transgelin O | |
expression O | |
were O | |
characterized O | |
using O | |
in O | |
vitro O | |
assays O | |
of O | |
growth O | |
and O | |
invasiveness O | |
and O | |
a O | |
mouse O | |
tail O | |
vein O | |
assay O | |
of O | |
experimental O | |
metastasis B | |
. O | |
Downstream O | |
effects O | |
of O | |
transgelin O | |
overexpression O | |
were O | |
investigated O | |
by O | |
gene O | |
expression O | |
profiling O | |
and O | |
quantitative O | |
PCR O | |
. O | |
RESULTS O | |
: O | |
Stable O | |
overexpression O | |
of O | |
transgelin O | |
in O | |
RKO O | |
cells O | |
, O | |
which O | |
have O | |
low O | |
endogenous O | |
levels O | |
, O | |
led O | |
to O | |
increased O | |
invasiveness O | |
, O | |
growth O | |
at O | |
low O | |
density O | |
, O | |
and O | |
growth O | |
in O | |
soft O | |
agar O | |
. O | |
Overexpression O | |
also O | |
led O | |
to O | |
an O | |
increase O | |
in O | |
the O | |
number O | |
and O | |
size O | |
of O | |
lung O | |
metastases B | |
in O | |
the O | |
mouse O | |
tail O | |
vein O | |
injection O | |
model O | |
. O | |
Similarly O | |
, O | |
attenuation O | |
of O | |
transgelin O | |
expression O | |
in O | |
HCT116 O | |
cells O | |
, O | |
which O | |
have O | |
high O | |
endogenous O | |
levels O | |
, O | |
decreased O | |
metastases B | |
in O | |
the O | |
same O | |
model O | |
. O | |
Investigation O | |
of O | |
mRNA O | |
expression O | |
patterns O | |
showed O | |
that O | |
transgelin O | |
overexpression O | |
altered O | |
the O | |
levels O | |
of O | |
approximately O | |
250 O | |
other O | |
transcripts O | |
, O | |
with O | |
over O | |
- O | |
representation O | |
of O | |
genes O | |
that O | |
affect O | |
function O | |
of O | |
actin O | |
or O | |
other O | |
cytoskeletal O | |
proteins O | |
. O | |
Changes O | |
included O | |
increases O | |
in O | |
HOOK1 O | |
, O | |
SDCCAG8 O | |
, O | |
ENAH O | |
/ O | |
Mena O | |
, O | |
and O | |
TNS1 O | |
and O | |
decreases O | |
in O | |
EMB O | |
, O | |
BCL11B O | |
, O | |
and O | |
PTPRD O | |
. O | |
CONCLUSIONS O | |
: O | |
Increases O | |
or O | |
decreases O | |
in O | |
transgelin O | |
levels O | |
have O | |
reciprocal O | |
effects O | |
on O | |
tumor B | |
cell O | |
behavior O | |
, O | |
with O | |
higher O | |
expression O | |
promoting O | |
metastasis B | |
. O | |
Chronic O | |
overexpression O | |
influences O | |
steady O | |
- O | |
state O | |
levels O | |
of O | |
mRNAs O | |
for O | |
metastasis B | |
- O | |
related O | |
genes O | |
. O | |
Association O | |
of O | |
sporadic O | |
chondrocalcinosis B | |
with O | |
a O | |
- O | |
4 O | |
- O | |
basepair O | |
G O | |
- O | |
to O | |
- O | |
A O | |
transition O | |
in O | |
the O | |
5 O | |
'- O | |
untranslated O | |
region O | |
of O | |
ANKH O | |
that O | |
promotes O | |
enhanced O | |
expression O | |
of O | |
ANKH O | |
protein O | |
and O | |
excess O | |
generation O | |
of O | |
extracellular O | |
inorganic O | |
pyrophosphate O | |
. O | |
OBJECTIVE O | |
: O | |
Certain O | |
mutations O | |
in O | |
ANKH O | |
, O | |
which O | |
encodes O | |
a O | |
multiple O | |
- O | |
pass O | |
transmembrane O | |
protein O | |
that O | |
regulates O | |
inorganic O | |
pyrophosphate O | |
( O | |
PPi O | |
) O | |
transport O | |
, O | |
are O | |
linked O | |
to O | |
autosomal O | |
- O | |
dominant O | |
familial O | |
chondrocalcinosis B | |
. O | |
This O | |
study O | |
investigated O | |
the O | |
potential O | |
for O | |
ANKH O | |
sequence O | |
variants O | |
to O | |
promote O | |
sporadic O | |
chondrocalcinosis B | |
. O | |
METHODS O | |
: O | |
ANKH O | |
variants O | |
identified O | |
by O | |
genomic O | |
sequencing O | |
were O | |
screened O | |
for O | |
association O | |
with O | |
chondrocalcinosis B | |
in O | |
128 O | |
patients O | |
with O | |
severe O | |
sporadic O | |
chondrocalcinosis B | |
or O | |
pseudogout B | |
and O | |
in O | |
ethnically O | |
matched O | |
healthy O | |
controls O | |
. O | |
The O | |
effects O | |
of O | |
specific O | |
variants O | |
on O | |
expression O | |
of O | |
common O | |
markers O | |
were O | |
evaluated O | |
by O | |
in O | |
vitro O | |
transcription O | |
/ O | |
translation O | |
. O | |
The O | |
function O | |
of O | |
these O | |
variants O | |
was O | |
studied O | |
in O | |
transfected O | |
human O | |
immortalized O | |
CH O | |
- O | |
8 O | |
articular O | |
chondrocytes O | |
. O | |
RESULTS O | |
: O | |
Sporadic O | |
chondrocalcinosis B | |
was O | |
associated O | |
with O | |
a O | |
G O | |
- O | |
to O | |
- O | |
A O | |
transition O | |
in O | |
the O | |
ANKH O | |
5 O | |
'- O | |
untranslated O | |
region O | |
( O | |
5 O | |
'- O | |
UTR O | |
) O | |
at O | |
4 O | |
bp O | |
upstream O | |
of O | |
the O | |
start O | |
codon O | |
( O | |
in O | |
homozygotes O | |
of O | |
the O | |
minor O | |
allele O | |
, O | |
genotype O | |
relative O | |
risk O | |
6 O | |
. O | |
0 O | |
, O | |
P O | |
= O | |
0 O | |
. O | |
6 O | |
; O | |
overall O | |
genotype O | |
association O | |
P O | |
= O | |
0 O | |
. O | |
2 O | |
). O | |
This O | |
- O | |
4 O | |
- O | |
bp O | |
transition O | |
, O | |
as O | |
well O | |
as O | |
2 O | |
mutations O | |
previously O | |
linked O | |
with O | |
familial O | |
and O | |
sporadic O | |
chondrocalcinosis B | |
(+ O | |
14 O | |
bp O | |
C O | |
- O | |
to O | |
- O | |
T O | |
and O | |
C O | |
- O | |
terminal O | |
GAG O | |
deletion O | |
, O | |
respectively O | |
), O | |
but O | |
not O | |
the O | |
French O | |
familial O | |
chondrocalcinosis B | |
kindred O | |
143 O | |
- O | |
bp O | |
T O | |
- O | |
to O | |
- O | |
C O | |
mutation O | |
, O | |
increased O | |
reticulocyte O | |
ANKH O | |
transcription O | |
/ O | |
ANKH O | |
translation O | |
in O | |
vitro O | |
. O | |
Transfection O | |
of O | |
complementary O | |
DNA O | |
for O | |
both O | |
the O | |
wild O | |
- O | |
type O | |
ANKH O | |
and O | |
the O | |
- O | |
4 O | |
- O | |
bp O | |
ANKH O | |
protein O | |
variant O | |
promoted O | |
increased O | |
extracellular O | |
PPi O | |
in O | |
CH O | |
- O | |
8 O | |
cells O | |
, O | |
but O | |
unexpectedly O | |
, O | |
these O | |
ANKH O | |
mutants O | |
had O | |
divergent O | |
effects O | |
on O | |
the O | |
expression O | |
of O | |
extracellular O | |
PPi O | |
and O | |
the O | |
chondrocyte O | |
hypertrophy O | |
marker O | |
, O | |
type O | |
X O | |
collagen O | |
. O | |
CONCLUSION O | |
: O | |
A O | |
subset O | |
of O | |
sporadic O | |
chondrocalcinosis B | |
appears O | |
to O | |
be O | |
heritable O | |
via O | |
a O | |
- O | |
4 O | |
- O | |
bp O | |
G O | |
- O | |
to O | |
- O | |
A O | |
ANKH O | |
5 O | |
'- O | |
UTR O | |
transition O | |
that O | |
up O | |
- O | |
regulates O | |
expression O | |
of O | |
ANKH O | |
and O | |
extracellular O | |
PPi O | |
in O | |
chondrocyte O | |
cells O | |
. O | |
Distinct O | |
ANKH O | |
mutations O | |
associated O | |
with O | |
heritable O | |
chondrocalcinosis B | |
may O | |
promote O | |
disease O | |
by O | |
divergent O | |
effects O | |
on O | |
extracellular O | |
PPi O | |
and O | |
chondrocyte O | |
hypertrophy O | |
, O | |
which O | |
is O | |
likely O | |
to O | |
mediate O | |
differences O | |
in O | |
the O | |
clinical O | |
phenotypes O | |
and O | |
severity O | |
of O | |
the O | |
disease O | |
. O | |
Contribution O | |
of O | |
STAT4 O | |
gene O | |
single O | |
- O | |
nucleotide O | |
polymorphism O | |
to O | |
systemic B | |
lupus I | |
erythematosus I | |
in O | |
the O | |
Polish O | |
population O | |
. O | |
The O | |
STAT4 O | |
has O | |
been O | |
found O | |
to O | |
be O | |
a O | |
susceptible O | |
gene O | |
in O | |
the O | |
development O | |
of O | |
systemic B | |
lupus I | |
erythematosus I | |
( O | |
SLE B | |
) O | |
in O | |
various O | |
populations O | |
. O | |
There O | |
are O | |
evident O | |
population O | |
differences O | |
in O | |
the O | |
context O | |
of O | |
clinical O | |
manifestations O | |
of O | |
SLE B | |
, O | |
therefore O | |
we O | |
investigated O | |
the O | |
prevalence O | |
of O | |
the O | |
STAT4 O | |
G O | |
> O | |
C O | |
( O | |
rs7582694 O | |
) O | |
polymorphism O | |
in O | |
patients O | |
with O | |
SLE B | |
( O | |
n O | |
= O | |
253 O | |
) O | |
and O | |
controls O | |
( O | |
n O | |
= O | |
521 O | |
) O | |
in O | |
a O | |
sample O | |
of O | |
the O | |
Polish O | |
population O | |
. O | |
We O | |
found O | |
that O | |
patients O | |
with O | |
the O | |
STAT4 O | |
C O | |
/ O | |
G O | |
and O | |
CC O | |
genotypes O | |
exhibited O | |
a O | |
1 O | |
. O | |
583 O | |
- O | |
fold O | |
increased O | |
risk O | |
of O | |
SLE B | |
incidence O | |
( O | |
95 O | |
% O | |
CI O | |
= O | |
1 O | |
. O | |
168 O | |
- O | |
2 O | |
. O | |
145 O | |
, O | |
p O | |
= O | |
0 O | |
. O | |
3 O | |
), O | |
with O | |
OR O | |
for O | |
the O | |
C O | |
/ O | |
C O | |
versus O | |
C O | |
/ O | |
G O | |
and O | |
G O | |
/ O | |
G O | |
genotypes O | |
was O | |
1 O | |
. O | |
967 O | |
( O | |
95 O | |
% O | |
CI O | |
= O | |
1 O | |
. O | |
152 O | |
- O | |
3 O | |
. O | |
358 O | |
, O | |
p O | |
= O | |
0 O | |
. O | |
119 O | |
). O | |
The O | |
OR O | |
for O | |
the O | |
STAT4 O | |
C O | |
allele O | |
frequency O | |
showed O | |
a O | |
1 O | |
. O | |
539 O | |
- O | |
fold O | |
increased O | |
risk O | |
of O | |
SLE B | |
( O | |
95 O | |
% O | |
CI O | |
= O | |
1 O | |
. O | |
209 O | |
- O | |
1 O | |
. O | |
959 O | |
, O | |
p O | |
= O | |
0 O | |
. O | |
4 O | |
). O | |
We O | |
also O | |
observed O | |
an O | |
increased O | |
frequency O | |
of O | |
STAT4 O | |
C O | |
/ O | |
C O | |
and O | |
C O | |
/ O | |
G O | |
genotypes O | |
in O | |
SLE B | |
patients O | |
with O | |
renal B | |
symptoms I | |
OR O | |
= O | |
2 O | |
. O | |
259 O | |
( O | |
1 O | |
. O | |
365 O | |
- O | |
3 O | |
. O | |
738 O | |
, O | |
p O | |
= O | |
0 O | |
. O | |
14 O | |
), O | |
( O | |
p O | |
( O | |
corr O | |
) O | |
= O | |
0 O | |
. O | |
238 O | |
) O | |
and O | |
in O | |
SLE B | |
patients O | |
with O | |
neurologic B | |
manifestations I | |
OR O | |
= O | |
2 O | |
. O | |
867 O | |
( O | |
1 O | |
. O | |
467 O | |
- O | |
5 O | |
. O | |
604 O | |
, O | |
p O | |
= O | |
0 O | |
. O | |
16 O | |
), O | |
( O | |
p O | |
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corr O | |
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= O | |
0 O | |
. O | |
272 O | |
). O | |
Moreover O | |
, O | |
we O | |
found O | |
a O | |
contribution O | |
of O | |
STAT4 O | |
C O | |
/ O | |
C O | |
and O | |
C O | |
/ O | |
G O | |
genotypes O | |
to O | |
the O | |
presence O | |
of O | |
the O | |
anti O | |
- O | |
snRNP O | |
Ab O | |
OR O | |
= O | |
3 O | |
. O | |
237 O | |
( O | |
1 O | |
. O | |
667 O | |
- O | |
6 O | |
. O | |
288 O | |
, O | |
p O | |
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0 O | |
. O | |
3 O | |
), O | |
( O | |
p O | |
( O | |
corr O | |
) O | |
= O | |
0 O | |
. O | |
51 O | |
) O | |
and O | |
the O | |
presence O | |
of O | |
the O | |
anti O | |
- O | |
Scl O | |
- O | |
70 O | |
Ab O | |
OR O | |
= O | |
2 O | |
. O | |
665 O | |
( O | |
1 O | |
. O | |
380 O | |
- O | |
5 O | |
. O | |
147 O | |
, O | |
p O | |
= O | |
0 O | |
. O | |
28 O | |
), O | |
( O | |
p O | |
( O | |
corr O | |
) O | |
= O | |
0 O | |
. O | |
476 O | |
). O | |
Our O | |
studies O | |
confirmed O | |
an O | |
association O | |
of O | |
the O | |
STAT4 O | |
C O | |
( O | |
rs7582694 O | |
) O | |
variant O | |
with O | |
the O | |
development O | |
of O | |
SLE B | |
and O | |
occurrence O | |
of O | |
some O | |
clinical O | |
manifestations O | |
of O | |
the O | |
disease O | |
. O | |
Leukemia O | |
inhibitory O | |
factor O | |
protects O | |
the O | |
lung O | |
during O | |
respiratory B | |
syncytial I | |
viral I | |
infection I | |
. O | |
BACKGROUND O | |
: O | |
Respiratory O | |
syncytial O | |
virus O | |
( O | |
RSV O | |
) O | |
infects O | |
the O | |
lung O | |
epithelium O | |
where O | |
it O | |
stimulates O | |
the O | |
production O | |
of O | |
numerous O | |
host O | |
cytokines O | |
that O | |
are O | |
associated O | |
with O | |
disease O | |
burden O | |
and O | |
acute B | |
lung I | |
injury I | |
. O | |
Characterizing O | |
the O | |
host O | |
cytokine O | |
response O | |
to O | |
RSV B | |
infection I | |
, O | |
the O | |
regulation O | |
of O | |
host O | |
cytokines O | |
and O | |
the O | |
impact O | |
of O | |
neutralizing O | |
an O | |
RSV O | |
- O | |
inducible O | |
cytokine O | |
during O | |
infection B | |
were O | |
undertaken O | |
in O | |
this O | |
study O | |
. O | |
METHODS O | |
: O | |
A549 O | |
, O | |
primary O | |
human O | |
small O | |
airway O | |
epithelial O | |
( O | |
SAE O | |
) O | |
cells O | |
and O | |
wild O | |
- O | |
type O | |
, O | |
TIR O | |
- O | |
domain O | |
- O | |
containing O | |
adapter O | |
- O | |
inducing O | |
interferon O | |
- O | |
b O | |
( O | |
Trif O | |
) O | |
and O | |
mitochondrial O | |
antiviral O | |
- O | |
signaling O | |
protein O | |
( O | |
Mavs O | |
) O | |
knockout O | |
( O | |
KO O | |
) O | |
mice O | |
were O | |
infected O | |
with O | |
RSV O | |
and O | |
cytokine O | |
responses O | |
were O | |
investigated O | |
by O | |
ELISA O | |
, O | |
multiplex O | |
analysis O | |
and O | |
qPCR O | |
. O | |
Neutralizing O | |
anti O | |
- O | |
leukemia O | |
inhibitory O | |
factor O | |
( O | |
LIF O | |
) O | |
IgG O | |
or O | |
control O | |
IgG O | |
was O | |
administered O | |
to O | |
a O | |
group O | |
of O | |
wild O | |
- O | |
type O | |
animals O | |
prior O | |
to O | |
RSV B | |
infection I | |
. O | |
RESULTS O | |
AND O | |
DISCUSSION O | |
: O | |
RSV O | |
- O | |
infected O | |
A549 O | |
and O | |
SAE O | |
cells O | |
release O | |
a O | |
network O | |
of O | |
cytokines O | |
, O | |
including O | |
newly O | |
identified O | |
RSV O | |
- O | |
inducible O | |
cytokines O | |
LIF O | |
, O | |
migration O | |
inhibitory O | |
factor O | |
( O | |
MIF O | |
), O | |
stem O | |
cell O | |
factor O | |
( O | |
SCF O | |
), O | |
CCL27 O | |
, O | |
CXCL12 O | |
and O | |
stem O | |
cell O | |
growth O | |
factor O | |
beta O | |
( O | |
SCGF O | |
- O | |
b O | |
). O | |
These O | |
RSV O | |
- O | |
inducible O | |
cytokines O | |
were O | |
also O | |
observed O | |
in O | |
the O | |
airways O | |
of O | |
mice O | |
during O | |
an O | |
infection B | |
. O | |
To O | |
identify O | |
the O | |
regulation O | |
of O | |
RSV O | |
inducible O | |
cytokines O | |
, O | |
Mavs O | |
and O | |
Trif O | |
deficient O | |
animals O | |
were O | |
infected O | |
with O | |
RSV O | |
. O | |
In O | |
vivo O | |
induction O | |
of O | |
airway O | |
IL O | |
- O | |
1b O | |
, O | |
IL O | |
- O | |
4 O | |
, O | |
IL O | |
- O | |
5 O | |
, O | |
IL O | |
- O | |
6 O | |
, O | |
IL O | |
- O | |
12 O | |
( O | |
p40 O | |
), O | |
IFN O | |
- O | |
g O | |
, O | |
CCL2 O | |
, O | |
CCL5 O | |
, O | |
CCL3 O | |
, O | |
CXCL1 O | |
, O | |
IP O | |
- O | |
10 O | |
/ O | |
CXCL10 O | |
, O | |
IL O | |
- O | |
22 O | |
, O | |
MIG O | |
/ O | |
CXCL9 O | |
and O | |
MIF O | |
were O | |
dependent O | |
on O | |
Mavs O | |
expression O | |
in O | |
mice O | |
. O | |
Loss O | |
of O | |
Trif O | |
expression O | |
in O | |
mice O | |
altered O | |
the O | |
RSV O | |
induction O | |
of O | |
IL O | |
- O | |
1b O | |
, O | |
IL O | |
- O | |
5 O | |
, O | |
CXCL12 O | |
, O | |
MIF O | |
, O | |
LIF O | |
, O | |
CXCL12 O | |
and O | |
IFN O | |
- O | |
g O | |
. O | |
Silencing O | |
of O | |
retinoic O | |
acid O | |
- O | |
inducible O | |
gene O | |
- O | |
1 O | |
( O | |
RIG O | |
- O | |
I O | |
) O | |
expression O | |
in O | |
A549 O | |
cells O | |
had O | |
a O | |
greater O | |
impact O | |
on O | |
RSV O | |
- O | |
inducible O | |
cytokines O | |
than O | |
melanoma O | |
differentiation O | |
- O | |
associated O | |
protein O | |
5 O | |
( O | |
MDA5 O | |
) O | |
and O | |
laboratory O | |
of O | |
genetics O | |
and O | |
physiology O | |
2 O | |
( O | |
LGP2 O | |
), O | |
and O | |
Trif O | |
expression O | |
. O | |
To O | |
evaluate O | |
the O | |
role O | |
of O | |
LIF O | |
in O | |
the O | |
airways O | |
during O | |
RSV B | |
infection I | |
, O | |
animals O | |
were O | |
treated O | |
with O | |
neutralizing O | |
anti O | |
- O | |
LIF O | |
IgG O | |
, O | |
which O | |
enhanced O | |
RSV B | |
pathology O | |
observed O | |
with O | |
increased O | |
airspace O | |
protein O | |
content O | |
, O | |
apoptosis O | |
and O | |
airway B | |
hyperresponsiveness I | |
compared O | |
to O | |
control O | |
IgG O | |
treatment O | |
. O | |
CONCLUSIONS O | |
: O | |
RSV B | |
infection I | |
in O | |
the O | |
epithelium O | |
induces O | |
a O | |
network O | |
of O | |
immune O | |
factors O | |
to O | |
counter O | |
infection B | |
, O | |
primarily O | |
in O | |
a O | |
RIG O | |
- O | |
I O | |
dependent O | |
manner O | |
. O | |
Expression O | |
of O | |
LIF O | |
protects O | |
the O | |
lung O | |
from O | |
lung B | |
injury I | |
and O | |
enhanced O | |
pathology O | |
during O | |
RSV B | |
infection I | |
. O | |
Urinary B | |
bladder I | |
cancer I | |
in O | |
Wegener B | |
' I | |
s I | |
granulomatosis I | |
: O | |
risks O | |
and O | |
relation O | |
to O | |
cyclophosphamide O | |
. O | |
OBJECTIVE O | |
: O | |
To O | |
assess O | |
and O | |
characterise O | |
the O | |
risk O | |
of O | |
bladder B | |
cancer I | |
, O | |
and O | |
its O | |
relation O | |
to O | |
cyclophosphamide O | |
, O | |
in O | |
patients O | |
with O | |
Wegener B | |
' I | |
s I | |
granulomatosis I | |
. O | |
METHODS O | |
: O | |
In O | |
the O | |
population O | |
based O | |
, O | |
nationwide O | |
Swedish O | |
Inpatient O | |
Register O | |
a O | |
cohort O | |
of O | |
1065 O | |
patients O | |
with O | |
Wegener B | |
' I | |
s I | |
granulomatosis I | |
, O | |
1969 O | |
- O | |
95 O | |
, O | |
was O | |
identified O | |
. O | |
Through O | |
linkage O | |
with O | |
the O | |
Swedish O | |
Cancer B | |
Register O | |
, O | |
all O | |
subjects O | |
in O | |
this O | |
cohort O | |
diagnosed O | |
with O | |
bladder B | |
cancer I | |
were O | |
identified O | |
. O | |
Nested O | |
within O | |
the O | |
cohort O | |
, O | |
a O | |
matched O | |
case O | |
- O | |
control O | |
study O | |
was O | |
performed O | |
to O | |
estimate O | |
the O | |
association O | |
between O | |
cyclophosphamide O | |
and O | |
bladder B | |
cancer I | |
using O | |
odds O | |
ratios O | |
( O | |
ORs O | |
) O | |
as O | |
relative O | |
risk O | |
. O | |
In O | |
the O | |
cohort O | |
the O | |
cumulative O | |
risk O | |
of O | |
bladder B | |
cancer I | |
after O | |
Wegener B | |
' I | |
s I | |
granulomatosis I | |
, O | |
and O | |
the O | |
relative O | |
prevalence O | |
of O | |
a O | |
history O | |
of O | |
bladder B | |
cancer I | |
at O | |
the O | |
time O | |
of O | |
diagnosis O | |
of O | |
Wegener B | |
' I | |
s I | |
granulomatosis I | |
, O | |
were O | |
also O | |
estimated O | |
. O | |
RESULTS O | |
: O | |
The O | |
median O | |
cumulative O | |
doses O | |
of O | |
cyclophosphamide O | |
among O | |
cases O | |
( O | |
n O | |
= O | |
11 O | |
) O | |
and O | |
controls O | |
( O | |
n O | |
= O | |
25 O | |
) O | |
were O | |
113 O | |
g O | |
and O | |
25 O | |
g O | |
, O | |
respectively O | |
. O | |
The O | |
risk O | |
of O | |
bladder B | |
cancer I | |
doubled O | |
for O | |
every O | |
10 O | |
g O | |
increment O | |
in O | |
cyclophosphamide O | |
( O | |
OR O | |
= O | |
2 O | |
. O | |
0 O | |
, O | |
95 O | |
% O | |
confidence O | |
interval O | |
( O | |
CI O | |
) O | |
0 O | |
. O | |
8 O | |
to O | |
4 O | |
. O | |
9 O | |
). O | |
Treatment O | |
duration O | |
longer O | |
than O | |
1 O | |
year O | |
was O | |
associated O | |
with O | |
an O | |
eightfold O | |
increased O | |
risk O | |
( O | |
OR O | |
= O | |
7 O | |
. O | |
7 O | |
, O | |
95 O | |
% O | |
CI O | |
0 O | |
. O | |
9 O | |
to O | |
69 O | |
). O | |
The O | |
absolute O | |
risk O | |
for O | |
bladder B | |
cancer I | |
in O | |
the O | |
cohort O | |
reached O | |
10 O | |
% O | |
16 O | |
years O | |
after O | |
diagnosis O | |
of O | |
Wegener B | |
' I | |
s I | |
granulomatosis I | |
, O | |
and O | |
a O | |
history O | |
of O | |
bladder B | |
cancer I | |
was O | |
( O | |
non O | |
- O | |
significantly O | |
) O | |
twice O | |
as O | |
common O | |
as O | |
expected O | |
at O | |
the O | |
time O | |
of O | |
diagnosis O | |
of O | |
Wegener B | |
' I | |
s I | |
granulomatosis I | |
. O | |
CONCLUSION O | |
: O | |
The O | |
results O | |
indicate O | |
a O | |
dose O | |
- O | |
response O | |
relationship O | |
between O | |
cyclophosphamide O | |
and O | |
the O | |
risk O | |
of O | |
bladder B | |
cancer I | |
, O | |
high O | |
cumulative O | |
risks O | |
in O | |
the O | |
entire O | |
cohort O | |
, O | |
and O | |
also O | |
the O | |
possibility O | |
of O | |
risk O | |
factors O | |
operating O | |
even O | |
before O | |
Wegener B | |
' I | |
s I | |
granulomatosis I | |
. O | |
Co O | |
- O | |
inheritance O | |
of O | |
a O | |
PKD1 O | |
mutation O | |
and O | |
homozygous O | |
PKD2 O | |
variant O | |
: O | |
a O | |
potential O | |
modifier O | |
in O | |
autosomal B | |
dominant I | |
polycystic I | |
kidney I | |
disease I | |
. O | |
BACKGROUND O | |
: O | |
Autosomal B | |
dominant I | |
polycystic I | |
kidney I | |
disease I | |
( O | |
ADPKD B | |
), O | |
which O | |
is O | |
caused O | |
by O | |
mutations O | |
in O | |
polycystins O | |
1 O | |
( O | |
PC1 O | |
) O | |
and O | |
2 O | |
( O | |
PC2 O | |
), O | |
is O | |
one O | |
of O | |
the O | |
most O | |
commonly O | |
inherited B | |
renal I | |
diseases I | |
, O | |
affecting O | |
~ O | |
1 O | |
: O | |
1000 O | |
Caucasians O | |
. O | |
MATERIALS O | |
AND O | |
METHODS O | |
: O | |
We O | |
screened O | |
Greek O | |
ADPKD B | |
patients O | |
with O | |
the O | |
denaturing O | |
gradient O | |
gel O | |
electrophoresis O | |
( O | |
DGGE O | |
) O | |
assay O | |
and O | |
direct O | |
sequencing O | |
. O | |
RESULTS O | |
: O | |
We O | |
identified O | |
a O | |
patient O | |
homozygous O | |
for O | |
a O | |
nucleotide O | |
change O | |
c O | |
. O | |
1445T O | |
> O | |
G O | |
, O | |
resulting O | |
in O | |
a O | |
novel O | |
homozygous O | |
substitution O | |
of O | |
the O | |
non O | |
- O | |
polar O | |
hydrophobic O | |
phenylalanine O | |
to O | |
the O | |
polar O | |
hydrophilic O | |
cysteine O | |
in O | |
exon O | |
6 O | |
at O | |
codon O | |
482 O | |
( O | |
p O | |
. O | |
F482C O | |
) O | |
of O | |
the O | |
PKD2 O | |
gene O | |
and O | |
a O | |
de O | |
- O | |
novo O | |
PKD1 O | |
splice O | |
- O | |
site O | |
variant O | |
IVS21 O | |
- O | |
2delAG O | |
. O | |
We O | |
did O | |
not O | |
find O | |
this O | |
PKD2 O | |
variant O | |
in O | |
a O | |
screen O | |
of O | |
280 O | |
chromosomes O | |
of O | |
healthy O | |
subjects O | |
, O | |
supporting O | |
its O | |
pathogenicity O | |
. O | |
The O | |
proband O | |
' O | |
s O | |
parents O | |
did O | |
not O | |
have O | |
the O | |
PKD1 O | |
mutation O | |
. O | |
Real O | |
- O | |
time O | |
PCR O | |
of O | |
the O | |
PKD2 O | |
transcript O | |
from O | |
a O | |
skin O | |
biopsy O | |
revealed O | |
20 O | |
- O | |
fold O | |
higher O | |
expression O | |
in O | |
the O | |
patient O | |
than O | |
in O | |
a O | |
healthy O | |
subject O | |
and O | |
was O | |
higher O | |
in O | |
the O | |
patient O | |
' O | |
s O | |
peripheral O | |
blood O | |
mononuclear O | |
cells O | |
( O | |
PBMCs O | |
) O | |
than O | |
in O | |
those O | |
of O | |
her O | |
heterozygote O | |
daughter O | |
and O | |
a O | |
healthy O | |
subject O | |
. O | |
The O | |
greater O | |
gene O | |
expression O | |
was O | |
also O | |
supported O | |
by O | |
Western O | |
blotting O | |
. O | |
Inner O | |
medullar O | |
collecting O | |
duct O | |
( O | |
IMCD O | |
) O | |
cells O | |
transfected O | |
with O | |
the O | |
mutant O | |
PKD2 O | |
mouse O | |
gene O | |
presented O | |
a O | |
perinuclear O | |
and O | |
diffuse O | |
cytoplasmic O | |
localization O | |
compared O | |
with O | |
the O | |
wild O | |
type O | |
ER O | |
localization O | |
. O | |
Patch O | |
- O | |
clamping O | |
of O | |
PBMCs O | |
from O | |
the O | |
p O | |
. O | |
F482C O | |
homozygous O | |
and O | |
heterozygous O | |
subjects O | |
revealed O | |
lower O | |
polycystin O | |
- O | |
2 O | |
channel O | |
function O | |
than O | |
in O | |
controls O | |
. O | |
CONCLUSIONS O | |
: O | |
We O | |
report O | |
for O | |
the O | |
first O | |
time O | |
a O | |
patient O | |
with O | |
ADPKD B | |
who O | |
is O | |
heterozygous O | |
for O | |
a O | |
de O | |
novo O | |
PKD1 O | |
variant O | |
and O | |
homozygous O | |
for O | |
a O | |
novel O | |
PKD2 O | |
mutation O | |
. O | |
Two O | |
novel O | |
mutations O | |
of O | |
the O | |
TSH O | |
- O | |
beta O | |
subunit O | |
gene O | |
underlying O | |
congenital B | |
central I | |
hypothyroidism I | |
undetectable O | |
in O | |
neonatal O | |
TSH O | |
screening O | |
. O | |
CONTEXT O | |
: O | |
Patients O | |
with O | |
TSH O | |
- I | |
beta I | |
subunit I | |
defects I | |
and O | |
congenital B | |
hypothyroidism I | |
are O | |
missed O | |
by O | |
TSH O | |
- O | |
based O | |
neonatal O | |
screening O | |
. O | |
OBJECTIVE O | |
: O | |
Our O | |
objective O | |
was O | |
to O | |
report O | |
the O | |
molecular O | |
consequences O | |
of O | |
a O | |
novel O | |
splice O | |
- O | |
junction O | |
mutation O | |
and O | |
a O | |
novel O | |
missense O | |
mutation O | |
in O | |
the O | |
TSH O | |
- O | |
beta O | |
subunit O | |
gene O | |
found O | |
in O | |
two O | |
patients O | |
with O | |
congenital B | |
central I | |
hypothyroidism I | |
and O | |
conventional O | |
treatment O | |
- O | |
resistant O | |
anemia B | |
. O | |
RESULTS O | |
: O | |
Patient O | |
1 O | |
had O | |
a O | |
homozygous O | |
G O | |
to O | |
A O | |
nucleotide O | |
change O | |
at O | |
the O | |
5 O | |
' O | |
donor O | |
splice O | |
site O | |
of O | |
exon O | |
/ O | |
intron O | |
2 O | |
. O | |
This O | |
resulted O | |
in O | |
a O | |
silent O | |
change O | |
at O | |
codon O | |
34 O | |
of O | |
the O | |
mature O | |
protein O | |
. O | |
In O | |
vitro O | |
splicing O | |
assays O | |
showed O | |
that O | |
the O | |
mutant O | |
minigene O | |
dramatically O | |
affected O | |
pre O | |
- O | |
mRNA O | |
processing O | |
, O | |
causing O | |
exon O | |
2 O | |
to O | |
be O | |
completely O | |
skipped O | |
. O | |
The O | |
putative O | |
product O | |
from O | |
a O | |
new O | |
out O | |
- O | |
of O | |
- O | |
frame O | |
translational O | |
start O | |
point O | |
in O | |
exon O | |
3 O | |
is O | |
expected O | |
to O | |
yield O | |
a O | |
nonsense O | |
25 O | |
- O | |
amino O | |
- O | |
acid O | |
peptide O | |
. O | |
In O | |
patient O | |
2 O | |
, O | |
sequence O | |
analysis O | |
revealed O | |
a O | |
compound O | |
heterozygosis O | |
for O | |
the O | |
already O | |
reported O | |
313delT O | |
( O | |
C105Vfs114X O | |
) O | |
mutation O | |
and O | |
for O | |
a O | |
second O | |
novel O | |
mutation O | |
in O | |
exon O | |
3 O | |
, O | |
substituting O | |
G O | |
for O | |
A O | |
at O | |
cDNA O | |
nucleotide O | |
position O | |
323 O | |
, O | |
resulting O | |
in O | |
a O | |
C88Y O | |
change O | |
. O | |
This O | |
cysteine O | |
residue O | |
is O | |
conserved O | |
among O | |
all O | |
dimeric O | |
pituitary O | |
and O | |
placental O | |
glycoprotein O | |
hormone O | |
- O | |
beta O | |
subunits O | |
. O | |
Data O | |
from O | |
in O | |
silico O | |
analysis O | |
confirmed O | |
that O | |
the O | |
C88Y O | |
mutation O | |
would O | |
affect O | |
subunit O | |
conformation O | |
. O | |
Indeed O | |
, O | |
two O | |
different O | |
bioinformatics O | |
approaches O | |
, O | |
PolyPhen O | |
and O | |
SIFT O | |
analysis O | |
, O | |
predicted O | |
C88Y O | |
to O | |
be O | |
a O | |
damaging O | |
substitution O | |
. O | |
CONCLUSIONS O | |
: O | |
In O | |
isolated O | |
TSH B | |
deficiency I | |
, O | |
the O | |
exact O | |
molecular O | |
diagnosis O | |
is O | |
mandatory O | |
for O | |
diagnosis O | |
of O | |
isolated O | |
pituitary B | |
deficiency I | |
, O | |
delineation O | |
of O | |
prognosis O | |
, O | |
and O | |
genetic O | |
counseling O | |
. O | |
Moreover O | |
, O | |
diagnosis O | |
of O | |
central O | |
hypothyroidism B | |
should O | |
be O | |
considered O | |
in O | |
the O | |
face O | |
of O | |
severe O | |
infant O | |
anemia B | |
of O | |
uncertain O | |
etiology O | |
. O | |
Mutations O | |
in O | |
the O | |
NDP O | |
gene O | |
: O | |
contribution O | |
to O | |
Norrie B | |
disease I | |
, O | |
familial O | |
exudative B | |
vitreoretinopathy I | |
and O | |
retinopathy B | |
of I | |
prematurity I | |
. O | |
BACKGROUND O | |
: O | |
To O | |
examine O | |
the O | |
contribution O | |
of O | |
mutations O | |
within O | |
the O | |
Norrie O | |
disease O | |
( O | |
NDP O | |
) O | |
gene O | |
to O | |
the O | |
clinically O | |
similar O | |
retinal B | |
diseases I | |
Norrie B | |
disease I | |
, O | |
X B | |
- I | |
linked I | |
familial I | |
exudative I | |
vitreoretinopathy I | |
( O | |
FEVR B | |
), O | |
Coat B | |
' I | |
s I | |
disease I | |
and O | |
retinopathy B | |
of I | |
prematurity I | |
( O | |
ROP B | |
). O | |
METHODS O | |
: O | |
A O | |
dataset O | |
comprising O | |
13 O | |
Norrie B | |
- I | |
FEVR I | |
, O | |
one O | |
Coat B | |
' I | |
s I | |
disease I | |
, O | |
31 O | |
ROP B | |
patients O | |
and O | |
90 O | |
ex O | |
- O | |
premature O | |
babies O | |
of O | |
< O | |
32 O | |
weeks O | |
' O | |
gestation O | |
underwent O | |
an O | |
ophthalmologic O | |
examination O | |
and O | |
were O | |
screened O | |
for O | |
mutations O | |
within O | |
the O | |
NDP O | |
gene O | |
by O | |
direct O | |
DNA O | |
sequencing O | |
, O | |
denaturing O | |
high O | |
- O | |
performance O | |
liquid O | |
chromatography O | |
or O | |
gel O | |
electrophoresis O | |
. O | |
Controls O | |
were O | |
only O | |
screened O | |
using O | |
denaturing O | |
high O | |
- O | |
performance O | |
liquid O | |
chromatography O | |
and O | |
gel O | |
electrophoresis O | |
. O | |
Confirmation O | |
of O | |
mutations O | |
identified O | |
was O | |
obtained O | |
by O | |
DNA O | |
sequencing O | |
. O | |
RESULTS O | |
: O | |
Evidence O | |
for O | |
two O | |
novel O | |
mutations O | |
in O | |
the O | |
NDP O | |
gene O | |
was O | |
presented O | |
: O | |
Leu103Val O | |
in O | |
one O | |
FEVR B | |
patient O | |
and O | |
His43Arg O | |
in O | |
monozygotic O | |
twin O | |
Norrie B | |
disease I | |
patients O | |
. O | |
Furthermore O | |
, O | |
a O | |
previously O | |
described O | |
14 O | |
- O | |
bp O | |
deletion O | |
located O | |
in O | |
the O | |
5 O | |
' O | |
unstranslated O | |
region O | |
of O | |
the O | |
NDP O | |
gene O | |
was O | |
detected O | |
in O | |
three O | |
cases O | |
of O | |
regressed O | |
ROP B | |
. O | |
A O | |
second O | |
heterozygotic O | |
14 O | |
- O | |
bp O | |
deletion O | |
was O | |
detected O | |
in O | |
an O | |
unaffected O | |
ex O | |
- O | |
premature O | |
girl O | |
. O | |
Only O | |
two O | |
of O | |
the O | |
13 O | |
Norrie O | |
- O | |
FEVR I | |
index O | |
cases O | |
had O | |
the O | |
full O | |
features O | |
of O | |
Norrie B | |
disease I | |
with O | |
deafness B | |
and O | |
mental B | |
retardation I | |
. O | |
CONCLUSION O | |
: O | |
Two O | |
novel O | |
mutations O | |
within O | |
the O | |
coding O | |
region O | |
of O | |
the O | |
NDP O | |
gene O | |
were O | |
found O | |
, O | |
one O | |
associated O | |
with O | |
a O | |
severe O | |
disease O | |
phenotypes O | |
of O | |
Norrie B | |
disease I | |
and O | |
the O | |
other O | |
with O | |
FEVR B | |
. O | |
A O | |
deletion O | |
within O | |
the O | |
non O | |
- O | |
coding O | |
region O | |
was O | |
associated O | |
with O | |
only O | |
mild O | |
- O | |
regressed O | |
ROP B | |
, O | |
despite O | |
the O | |
presence O | |
of O | |
low O | |
birthweight O | |
, O | |
prematurity B | |
and O | |
exposure O | |
to O | |
oxygen O | |
. O | |
In O | |
full O | |
- O | |
term O | |
children O | |
with O | |
retinal B | |
detachment I | |
only O | |
15 O | |
% O | |
appear O | |
to O | |
have O | |
the O | |
full O | |
features O | |
of O | |
Norrie B | |
disease I | |
and O | |
this O | |
is O | |
important O | |
for O | |
counselling O | |
parents O | |
on O | |
the O | |
possible O | |
long O | |
- O | |
term O | |
outcome O | |
. O | |
Growth O | |
hormone O | |
dose O | |
in O | |
growth B | |
hormone I | |
- I | |
deficient I | |
adults O | |
is O | |
not O | |
associated O | |
with O | |
IGF O | |
- O | |
1 O | |
gene O | |
polymorphisms O | |
. O | |
AIMS O | |
: O | |
Several O | |
SNPs O | |
and O | |
a O | |
microsatellite O | |
cytosine O | |
- O | |
adenine O | |
repeat O | |
promoter O | |
polymorphism O | |
of O | |
the O | |
IGF O | |
- O | |
1 O | |
gene O | |
have O | |
been O | |
reported O | |
to O | |
be O | |
associated O | |
with O | |
circulating O | |
IGF O | |
- O | |
1 O | |
serum O | |
concentrations O | |
. O | |
Variance O | |
in O | |
IGF O | |
- O | |
1 O | |
concentrations O | |
due O | |
to O | |
genetic O | |
variations O | |
may O | |
affect O | |
different O | |
response O | |
to O | |
growth O | |
hormone O | |
( O | |
GH O | |
) O | |
treatment O | |
, O | |
resulting O | |
in O | |
different O | |
individually O | |
required O | |
GH O | |
- O | |
doses O | |
in O | |
GH B | |
- I | |
deficient I | |
patients O | |
. O | |
The O | |
aim O | |
of O | |
this O | |
study O | |
was O | |
to O | |
test O | |
if O | |
the O | |
IGF O | |
- O | |
1 O | |
gene O | |
polymorphisms O | |
are O | |
associated O | |
with O | |
the O | |
GH O | |
- O | |
dose O | |
of O | |
GH B | |
- I | |
deficient I | |
adults O | |
. O | |
MATERIALS O | |
& O | |
METHODS O | |
: O | |
A O | |
total O | |
of O | |
nine O | |
tagging O | |
SNPs O | |
, O | |
five O | |
additionally O | |
selected O | |
SNPs O | |
and O | |
a O | |
cytosine O | |
- O | |
adenine O | |
repeat O | |
polymorphism O | |
were O | |
determined O | |
in O | |
133 O | |
German O | |
adult O | |
patients O | |
( O | |
66 O | |
men O | |
, O | |
67 O | |
women O | |
; O | |
mean O | |
age O | |
45 O | |
. O | |
4 O | |
years O | |
+/- O | |
13 O | |
. O | |
1 O | |
standard O | |
deviation O | |
; O | |
majority O | |
Caucasian O | |
) O | |
with O | |
GH B | |
- I | |
deficiency I | |
( O | |
GHD B | |
) O | |
of O | |
different O | |
origin O | |
, O | |
derived O | |
from O | |
the O | |
prospective O | |
Pfizer O | |
International O | |
Metabolic O | |
Study O | |
( O | |
KIMS O | |
) O | |
Pharmacogenetics O | |
Study O | |
. O | |
Patients O | |
received O | |
GH O | |
- O | |
treatment O | |
for O | |
12 O | |
months O | |
with O | |
finished O | |
dose O | |
- O | |
titration O | |
of O | |
GH O | |
and O | |
centralized O | |
IGF O | |
- O | |
1 O | |
measurements O | |
. O | |
GH O | |
- O | |
dose O | |
after O | |
1 O | |
year O | |
of O | |
treatment O | |
, O | |
IGF O | |
- O | |
1 O | |
concentrations O | |
, O | |
IGF O | |
- O | |
1 O | |
- O | |
standard O | |
deviation O | |
score O | |
( O | |
SDS O | |
), O | |
the O | |
IGF O | |
- O | |
1 O | |
: O | |
GH O | |
ratio O | |
and O | |
anthropometric O | |
data O | |
were O | |
analyzed O | |
by O | |
genotype O | |
. O | |
RESULTS O | |
: O | |
Except O | |
for O | |
rs1019731 O | |
, O | |
which O | |
showed O | |
a O | |
significant O | |
difference O | |
of O | |
IGF O | |
- O | |
1 O | |
- O | |
SDS O | |
by O | |
genotypes O | |
( O | |
p O | |
= O | |
0 O | |
. O | |
2 O | |
), O | |
all O | |
polymorphisms O | |
showed O | |
no O | |
associations O | |
with O | |
the O | |
GH O | |
- O | |
doses O | |
, O | |
IGF O | |
- O | |
1 O | |
concentrations O | |
, O | |
IGF O | |
- O | |
1 O | |
- O | |
SDS O | |
and O | |
IGF O | |
- O | |
1 O | |
: O | |
GH O | |
ratio O | |
after O | |
adjusting O | |
for O | |
the O | |
confounding O | |
variables O | |
gender O | |
, O | |
age O | |
and O | |
BMI O | |
. O | |
CONCLUSION O | |
: O | |
IGF O | |
- O | |
1 O | |
gene O | |
polymorphisms O | |
were O | |
not O | |
associated O | |
with O | |
the O | |
responsiveness O | |
to O | |
exogenous O | |
GH O | |
in O | |
GHD B | |
. O | |
Therefore O | |
, O | |
genetic O | |
variations O | |
of O | |
the O | |
IGF O | |
- O | |
1 O | |
gene O | |
seem O | |
not O | |
to O | |
be O | |
major O | |
influencing O | |
factors O | |
of O | |
the O | |
GH O | |
- O | |
IGF O | |
- O | |
axis O | |
causing O | |
variable O | |
response O | |
to O | |
exogenous O | |
GH O | |
- O | |
treatment O | |
. O | |
Mutation O | |
analysis O | |
of O | |
FOXF2 O | |
in O | |
patients O | |
with O | |
disorders B | |
of I | |
sex I | |
development I | |
( O | |
DSD B | |
) O | |
in O | |
combination O | |
with O | |
cleft B | |
palate I | |
. O | |
In O | |
contrast O | |
to O | |
disorders B | |
of I | |
sexual I | |
differentiation I | |
caused O | |
by O | |
lack O | |
of O | |
androgen O | |
production O | |
or O | |
inhibited O | |
androgen O | |
action O | |
, O | |
defects O | |
affecting O | |
development O | |
of O | |
the O | |
bipotent O | |
genital O | |
anlagen O | |
have O | |
rarely O | |
been O | |
investigated O | |
in O | |
humans O | |
. O | |
We O | |
have O | |
previously O | |
documented O | |
that O | |
the O | |
transcription O | |
factor O | |
FOXF2 O | |
is O | |
highly O | |
expressed O | |
in O | |
human O | |
foreskin O | |
. O | |
Moreover O | |
, O | |
Foxf2 O | |
knockout O | |
mice O | |
present O | |
with O | |
cleft B | |
palate I | |
in O | |
combination O | |
with O | |
hypoplasia B | |
of I | |
the I | |
genital I | |
tubercle I | |
. O | |
We O | |
hypothesized O | |
that O | |
humans O | |
with O | |
disorders B | |
of I | |
sex I | |
development I | |
( O | |
DSD B | |
) O | |
in O | |
combination O | |
with O | |
cleft B | |
palate I | |
could O | |
have O | |
mutations O | |
in O | |
the O | |
FOXF2 O | |
gene O | |
. O | |
Eighteen O | |
children O | |
with O | |
DSD B | |
and O | |
cleft B | |
palate I | |
were O | |
identified O | |
in O | |
the O | |
L O | |
beck O | |
DSD B | |
database O | |
( O | |
about O | |
1 O | |
, O | |
500 O | |
entries O | |
). O | |
Genomic O | |
DNA O | |
sequence O | |
analysis O | |
of O | |
the O | |
FOXF2 O | |
gene O | |
was O | |
performed O | |
and O | |
compared O | |
with O | |
10 O | |
normal O | |
female O | |
and O | |
10 O | |
normal O | |
male O | |
controls O | |
, O | |
respectively O | |
. O | |
Two O | |
heterozygous O | |
DNA O | |
sequence O | |
variations O | |
were O | |
solely O | |
present O | |
in O | |
one O | |
single O | |
patient O | |
each O | |
but O | |
in O | |
none O | |
of O | |
the O | |
20 O | |
normal O | |
controls O | |
: O | |
a O | |
duplication O | |
of O | |
GCC O | |
( O | |
c O | |
. O | |
97GCC O | |
[ O | |
9 O | |
]+[ O | |
10 O | |
]) O | |
resulting O | |
in O | |
an O | |
extra O | |
alanine O | |
within O | |
exon O | |
1 O | |
and O | |
a O | |
25 O | |
* O | |
G O | |
> O | |
A O | |
substitution O | |
in O | |
the O | |
3 O | |
'- O | |
untranslated O | |
region O | |
. O | |
Two O | |
patients O | |
carried O | |
a O | |
c O | |
. O | |
262G O | |
> O | |
A O | |
sequence O | |
variation O | |
predicting O | |
for O | |
an O | |
Ala88Thr O | |
exchange O | |
which O | |
was O | |
also O | |
detected O | |
in O | |
2 O | |
normal O | |
controls O | |
. O | |
Two O | |
silent O | |
mutations O | |
, O | |
c O | |
. O | |
1272C O | |
> O | |
T O | |
( O | |
Ser424Ser O | |
) O | |
and O | |
c O | |
. O | |
1284T O | |
> O | |
C O | |
( O | |
Tyr428Tyr O | |
), O | |
respectively O | |
, O | |
occurred O | |
in O | |
the O | |
coding O | |
region O | |
of O | |
exon O | |
2 O | |
, O | |
again O | |
in O | |
both O | |
patients O | |
and O | |
normal O | |
controls O | |
. O | |
In O | |
conclusion O | |
, O | |
the O | |
majority O | |
of O | |
the O | |
detected O | |
sequence O | |
alterations O | |
were O | |
polymorphisms O | |
without O | |
obvious O | |
functional O | |
relevance O | |
. O | |
However O | |
, O | |
it O | |
cannot O | |
be O | |
excluded O | |
that O | |
the O | |
2 O | |
unique O | |
DNA O | |
sequence O | |
alterations O | |
could O | |
have O | |
affected O | |
FOXF2 O | |
on O | |
the O | |
mRNA O | |
or O | |
protein O | |
level O | |
thus O | |
contributing O | |
to O | |
the O | |
observed O | |
disturbances O | |
in O | |
genital O | |
and O | |
palate O | |
development O | |
. O | |
A O | |
novel O | |
mutation O | |
screening O | |
system O | |
for O | |
Ehlers B | |
- I | |
Danlos I | |
Syndrome I | |
, O | |
vascular O | |
type O | |
by O | |
high O | |
- O | |
resolution O | |
melting O | |
curve O | |
analysis O | |
in O | |
combination O | |
with O | |
small O | |
amplicon O | |
genotyping O | |
using O | |
genomic O | |
DNA O | |
. O | |
Ehlers B | |
- I | |
Danlos I | |
syndrome I | |
, I | |
vascular I | |
type I | |
( O | |
vEDS B | |
) O | |
( O | |
MIM O | |
# I | |
130050 I | |
) O | |
is O | |
an O | |
autosomal B | |
dominant I | |
disorder I | |
caused O | |
by O | |
type O | |
III O | |
procollagen O | |
gene O | |
( O | |
COL3A1 O | |
) O | |
mutations O | |
. O | |
Most O | |
COL3A1 O | |
mutations O | |
are O | |
detected O | |
by O | |
using O | |
total O | |
RNA O | |
from O | |
patient O | |
- O | |
derived O | |
fibroblasts O | |
, O | |
which O | |
requires O | |
an O | |
invasive O | |
skin O | |
biopsy O | |
. O | |
High O | |
- O | |
resolution O | |
melting O | |
curve O | |
analysis O | |
( O | |
hrMCA O | |
) O | |
has O | |
recently O | |
been O | |
developed O | |
as O | |
a O | |
post O | |
- O | |
PCR O | |
mutation O | |
scanning O | |
method O | |
which O | |
enables O | |
simple O | |
, O | |
rapid O | |
, O | |
cost O | |
- O | |
effective O | |
, O | |
and O | |
highly O | |
sensitive O | |
mutation O | |
screening O | |
of O | |
large O | |
genes O | |
. O | |
We O | |
established O | |
a O | |
hrMCA O | |
method O | |
to O | |
screen O | |
for O | |
COL3A1 O | |
mutations O | |
using O | |
genomic O | |
DNA O | |
. O | |
PCR O | |
primers O | |
pairs O | |
for O | |
COL3A1 O | |
( O | |
52 O | |
amplicons O | |
) O | |
were O | |
designed O | |
to O | |
cover O | |
all O | |
coding O | |
regions O | |
of O | |
the O | |
52 O | |
exons O | |
, O | |
including O | |
the O | |
splicing O | |
sites O | |
. O | |
We O | |
used O | |
15 O | |
DNA O | |
samples O | |
( O | |
8 O | |
validation O | |
samples O | |
and O | |
7 O | |
samples O | |
of O | |
clinically O | |
suspected O | |
vEDS B | |
patients O | |
) O | |
in O | |
this O | |
study O | |
. O | |
The O | |
eight O | |
known O | |
COL3A1 O | |
mutations O | |
in O | |
validation O | |
samples O | |
were O | |
all O | |
successfully O | |
detected O | |
by O | |
the O | |
hrMCA O | |
. O | |
In O | |
addition O | |
, O | |
we O | |
identified O | |
five O | |
novel O | |
COL3A1 O | |
mutations O | |
, O | |
including O | |
one O | |
deletion O | |
( O | |
c O | |
. O | |
2187delA O | |
) O | |
and O | |
one O | |
nonsense O | |
mutation O | |
( O | |
c O | |
. O | |
2992C O | |
> O | |
T O | |
) O | |
that O | |
could O | |
not O | |
be O | |
determined O | |
by O | |
the O | |
conventional O | |
total O | |
RNA O | |
method O | |
. O | |
Furthermore O | |
, O | |
we O | |
established O | |
a O | |
small O | |
amplicon O | |
genotyping O | |
( O | |
SAG O | |
) O | |
method O | |
for O | |
detecting O | |
three O | |
high O | |
frequency O | |
coding O | |
- O | |
region O | |
SNPs O | |
( O | |
rs1800255 O | |
: O | |
G O | |
> O | |
A O | |
, O | |
rs1801184 O | |
: O | |
T O | |
> O | |
C O | |
, O | |
and O | |
rs2271683 O | |
: O | |
A O | |
> O | |
G O | |
) O | |
in O | |
COL3A1 O | |
to O | |
differentiate O | |
mutations O | |
before O | |
sequencing O | |
. O | |
The O | |
use O | |
of O | |
hrMCA O | |
in O | |
combination O | |
with O | |
SAG O | |
from O | |
genomic O | |
DNA O | |
enables O | |
rapid O | |
detection O | |
of O | |
COL3A1 O | |
mutations O | |
with O | |
high O | |
efficiency O | |
and O | |
specificity O | |
. O | |
A O | |
better O | |
understanding O | |
of O | |
the O | |
genotype O | |
- O | |
phenotype O | |
correlation O | |
in O | |
COL3A1 O | |
using O | |
this O | |
method O | |
will O | |
lead O | |
to O | |
improve O | |
in O | |
diagnosis O | |
and O | |
treatment O | |
. O | |
Critical O | |
role O | |
of O | |
neuronal O | |
pentraxin O | |
1 O | |
in O | |
mitochondria O | |
- O | |
mediated O | |
hypoxic B | |
- I | |
ischemic I | |
neuronal I | |
injury I | |
. O | |
Developing O | |
brain O | |
is O | |
highly O | |
susceptible O | |
to O | |
hypoxic B | |
- I | |
ischemic I | |
( I | |
HI I | |
) I | |
injury I | |
leading O | |
to O | |
severe O | |
neurological B | |
disabilities I | |
in O | |
surviving O | |
infants O | |
and O | |
children O | |
. O | |
Previously O | |
, O | |
we O | |
have O | |
reported O | |
induction O | |
of O | |
neuronal O | |
pentraxin O | |
1 O | |
( O | |
NP1 O | |
), O | |
a O | |
novel O | |
neuronal O | |
protein O | |
of O | |
long O | |
- O | |
pentraxin O | |
family O | |
, O | |
following O | |
HI B | |
neuronal B | |
injury I | |
. O | |
Here O | |
, O | |
we O | |
investigated O | |
how O | |
this O | |
specific O | |
signal O | |
is O | |
propagated O | |
to O | |
cause O | |
the O | |
HI O | |
neuronal B | |
death I | |
. O | |
We O | |
used O | |
wild O | |
- O | |
type O | |
( O | |
WT O | |
) O | |
and O | |
NP1 O | |
knockout O | |
( O | |
NP1 O | |
- O | |
KO O | |
) O | |
mouse O | |
hippocampal O | |
cultures O | |
, O | |
modeled O | |
in O | |
vitro O | |
following O | |
exposure O | |
to O | |
oxygen O | |
glucose O | |
deprivation O | |
( O | |
OGD O | |
), O | |
and O | |
in O | |
vivo O | |
neonatal O | |
( O | |
P9 O | |
- O | |
10 O | |
) O | |
mouse O | |
model O | |
of O | |
HI B | |
brain I | |
injury I | |
. O | |
Our O | |
results O | |
show O | |
induction O | |
of O | |
NP1 O | |
in O | |
primary O | |
hippocampal O | |
neurons O | |
following O | |
OGD O | |
exposure O | |
( O | |
4 O | |
- O | |
8 O | |
h O | |
) O | |
and O | |
in O | |
the O | |
ipsilateral O | |
hippocampal O | |
CA1 O | |
and O | |
CA3 O | |
regions O | |
at O | |
24 O | |
- O | |
48 O | |
h O | |
post O | |
- O | |
HI B | |
compared O | |
to O | |
the O | |
contralateral O | |
side O | |
. O | |
We O | |
also O | |
found O | |
increased O | |
PTEN O | |
activity O | |
concurrent O | |
with O | |
OGD O | |
time O | |
- O | |
dependent O | |
( O | |
4 O | |
- O | |
8 O | |
h O | |
) O | |
dephosphorylation O | |
of O | |
Akt O | |
( O | |
Ser473 O | |
) O | |
and O | |
GSK O | |
- O | |
3b O | |
( O | |
Ser9 O | |
). O | |
OGD O | |
also O | |
caused O | |
a O | |
time O | |
- O | |
dependent O | |
decrease O | |
in O | |
the O | |
phosphorylation O | |
of O | |
Bad O | |
( O | |
Ser136 O | |
), O | |
and O | |
Bax O | |
protein O | |
levels O | |
. O | |
Immunofluorescence O | |
staining O | |
and O | |
subcellular O | |
fractionation O | |
analyses O | |
revealed O | |
increased O | |
mitochondrial O | |
translocation O | |
of O | |
Bad O | |
and O | |
Bax O | |
proteins O | |
from O | |
cytoplasm O | |
following O | |
OGD O | |
( O | |
4 O | |
h O | |
) O | |
and O | |
simultaneously O | |
increased O | |
release O | |
of O | |
Cyt O | |
C O | |
from O | |
mitochondria O | |
followed O | |
by O | |
activation O | |
of O | |
caspase O | |
- O | |
3 O | |
. O | |
NP1 O | |
protein O | |
was O | |
immunoprecipitated O | |
with O | |
Bad O | |
and O | |
Bax O | |
proteins O | |
; O | |
OGD O | |
caused O | |
increased O | |
interactions O | |
of O | |
NP1 O | |
with O | |
Bad O | |
and O | |
Bax O | |
, O | |
thereby O | |
, O | |
facilitating O | |
their O | |
mitochondrial O | |
translocation O | |
and O | |
dissipation O | |
of O | |
mitochondrial O | |
membrane O | |
potential O | |
( O | |
D O | |
( O | |
m O | |
)). O | |
This O | |
NP1 O | |
induction O | |
preceded O | |
the O | |
increased O | |
mitochondrial O | |
release O | |
of O | |
cytochrome O | |
C O | |
( O | |
Cyt O | |
C O | |
) O | |
into O | |
the O | |
cytosol O | |
, O | |
activation O | |
of O | |
caspase O | |
- O | |
3 O | |
and O | |
OGD O | |
time O | |
- O | |
dependent O | |
cell O | |
death O | |
in O | |
WT O | |
primary O | |
hippocampal O | |
neurons O | |
. O | |
In O | |
contrast O | |
, O | |
in O | |
NP1 O | |
- O | |
KO O | |
neurons O | |
there O | |
was O | |
no O | |
translocation O | |
of O | |
Bad O | |
and O | |
Bax O | |
from O | |
cytosol O | |
to O | |
the O | |
mitochondria O | |
, O | |
and O | |
no O | |
evidence O | |
of O | |
D O | |
( O | |
m O | |
) O | |
loss O | |
, O | |
increased O | |
Cyt O | |
C O | |
release O | |
and O | |
caspase O | |
- O | |
3 O | |
activation O | |
following O | |
OGD O | |
; O | |
which O | |
resulted O | |
in O | |
significantly O | |
reduced O | |
neuronal B | |
death I | |
. O | |
Our O | |
results O | |
indicate O | |
a O | |
regulatory O | |
role O | |
of O | |
NP1 O | |
in O | |
Bad O | |
/ O | |
Bax O | |
- O | |
dependent O | |
mitochondrial O | |
release O | |
of O | |
Cyt O | |
C O | |
and O | |
caspase O | |
- O | |
3 O | |
activation O | |
. O | |
Together O | |
our O | |
findings O | |
demonstrate O | |
a O | |
novel O | |
mechanism O | |
by O | |
which O | |
NP1 O | |
regulates O | |
mitochondria O | |
- O | |
driven O | |
hippocampal O | |
cell O | |
death O | |
; O | |
suggesting O | |
NP1 O | |
as O | |
a O | |
potential O | |
therapeutic O | |
target O | |
against O | |
HI B | |
brain I | |
injury I | |
in O | |
neonates O | |
. O | |
Neuroprotective O | |
effect O | |
of O | |
neuroserpin O | |
in O | |
oxygen O | |
- O | |
glucose O | |
deprivation O | |
- O | |
and O | |
reoxygenation O | |
- O | |
treated O | |
rat O | |
astrocytes O | |
in O | |
vitro O | |
. O | |
Neuroserpin O | |
( O | |
NSP O | |
) O | |
reportedly O | |
exerts O | |
neuroprotective O | |
effects O | |
in O | |
cerebral B | |
ischemic I | |
animal O | |
models O | |
and O | |
patients O | |
; O | |
however O | |
, O | |
the O | |
mechanism O | |
of O | |
protection O | |
is O | |
poorly O | |
understood O | |
. O | |
We O | |
thus O | |
attempted O | |
to O | |
confirm O | |
neuroprotective O | |
effects O | |
of O | |
NSP O | |
on O | |
astrocytes O | |
in O | |
the O | |
ischemic B | |
state O | |
and O | |
then O | |
explored O | |
the O | |
relative O | |
mechanisms O | |
. O | |
Astrocytes O | |
from O | |
neonatal O | |
rats O | |
were O | |
treated O | |
with O | |
oxygen O | |
- O | |
glucose O | |
deprivation O | |
( O | |
OGD O | |
) O | |
followed O | |
by O | |
reoxygenation O | |
( O | |
OGD O | |
/ O | |
R O | |
). O | |
To O | |
confirm O | |
the O | |
neuroprotective O | |
effects O | |
of O | |
NSP O | |
, O | |
we O | |
measured O | |
the O | |
cell O | |
survival O | |
rate O | |
, O | |
relative O | |
lactate O | |
dehydrogenase O | |
( O | |
LDH O | |
) O | |
release O | |
; O | |
we O | |
also O | |
performed O | |
morphological O | |
methods O | |
, O | |
namely O | |
Hoechst O | |
33342 O | |
staining O | |
and O | |
Annexin O | |
V O | |
assay O | |
. O | |
To O | |
explore O | |
the O | |
potential O | |
mechanisms O | |
of O | |
NSP O | |
, O | |
the O | |
release O | |
of O | |
nitric O | |
oxide O | |
( O | |
NO O | |
) O | |
and O | |
TNF O | |
- O | |
alpha O | |
related O | |
to O | |
NSP O | |
administration O | |
were O | |
measured O | |
by O | |
enzyme O | |
- O | |
linked O | |
immunosorbent O | |
assay O | |
. O | |
The O | |
proteins O | |
related O | |
to O | |
the O | |
NF O | |
- O | |
kappaB O | |
, O | |
ERK1 O | |
/ O | |
2 O | |
, O | |
and O | |
PI3K O | |
/ O | |
Akt O | |
pathways O | |
were O | |
investigated O | |
by O | |
Western O | |
blotting O | |
. O | |
To O | |
verify O | |
the O | |
cause O | |
- O | |
and O | |
- O | |
effect O | |
relationship O | |
between O | |
neuroprotection O | |
and O | |
the O | |
NF O | |
- O | |
kappaB O | |
pathway O | |
, O | |
a O | |
NF O | |
- O | |
kappaB O | |
pathway O | |
inhibitor O | |
sc3060 O | |
was O | |
employed O | |
to O | |
observe O | |
the O | |
effects O | |
of O | |
NSP O | |
- O | |
induced O | |
neuroprotection O | |
. O | |
We O | |
found O | |
that O | |
NSP O | |
significantly O | |
increased O | |
the O | |
cell O | |
survival O | |
rate O | |
and O | |
reduced O | |
LDH O | |
release O | |
in O | |
OGD O | |
/ O | |
R O | |
- O | |
treated O | |
astrocytes O | |
. O | |
It O | |
also O | |
reduced O | |
NO O | |
/ O | |
TNF O | |
- O | |
alpha O | |
release O | |
. O | |
Western O | |
blotting O | |
showed O | |
that O | |
the O | |
protein O | |
levels O | |
of O | |
p O | |
- O | |
IKKBalpha O | |
/ O | |
beta O | |
and O | |
P65 O | |
were O | |
upregulated O | |
by O | |
the O | |
OGD O | |
/ O | |
R O | |
treatment O | |
and O | |
such O | |
effects O | |
were O | |
significantly O | |
inhibited O | |
by O | |
NSP O | |
administration O | |
. O | |
The O | |
NSP O | |
- O | |
induced O | |
inhibition O | |
could O | |
be O | |
significantly O | |
reversed O | |
by O | |
administration O | |
of O | |
the O | |
NF O | |
- O | |
kappaB O | |
pathway O | |
inhibitor O | |
sc3060 O | |
, O | |
whereas O | |
, O | |
expressions O | |
of O | |
p O | |
- O | |
ERK1 O | |
, O | |
p O | |
- O | |
ERK2 O | |
, O | |
and O | |
p O | |
- O | |
AKT O | |
were O | |
upregulated O | |
by O | |
the O | |
OGD O | |
/ O | |
R O | |
treatment O | |
; O | |
however O | |
, O | |
their O | |
levels O | |
were O | |
unchanged O | |
by O | |
NSP O | |
administration O | |
. O | |
Our O | |
results O | |
thus O | |
verified O | |
the O | |
neuroprotective O | |
effects O | |
of O | |
NSP O | |
in O | |
ischemic B | |
astrocytes O | |
. O | |
The O | |
potential O | |
mechanisms O | |
include O | |
inhibition O | |
of O | |
the O | |
release O | |
of O | |
NO O | |
/ O | |
TNF O | |
- O | |
alpha O | |
and O | |
repression O | |
of O | |
the O | |
NF O | |
- O | |
kappaB O | |
signaling O | |
pathways O | |
. O | |
Our O | |
data O | |
also O | |
indicated O | |
that O | |
NSP O | |
has O | |
little O | |
influence O | |
on O | |
the O | |
MAPK O | |
and O | |
PI3K O | |
/ O | |
Akt O | |
pathways O | |
. O | |
Interleukin O | |
6 O | |
( O | |
IL O | |
- O | |
6 O | |
) O | |
and O | |
Tumor O | |
Necrosis O | |
Factor O | |
alpha O | |
( O | |
TNF O | |
- O | |
alpha O | |
) O | |
Single O | |
Nucleotide O | |
Polymorphisms O | |
( O | |
SNPs O | |
), O | |
Inflammation B | |
and O | |
Metabolism O | |
in O | |
Gestational B | |
Diabetes I | |
Mellitus I | |
in O | |
Inner O | |
Mongolia O | |
. O | |
BACKGROUND O | |
Gestational B | |
diabetes I | |
mellitus I | |
( O | |
GDM B | |
) O | |
is O | |
common O | |
all O | |
over O | |
the O | |
world O | |
. O | |
GDM B | |
women O | |
are O | |
with O | |
inflammatory B | |
and O | |
metabolisms O | |
abnormalities O | |
. O | |
However O | |
, O | |
few O | |
studies O | |
have O | |
focused O | |
on O | |
the O | |
association O | |
of O | |
IL O | |
- O | |
65 O | |
- O | |
72C O | |
/ O | |
G O | |
and O | |
TNF O | |
- O | |
alpha O | |
- O | |
857C O | |
/ O | |
T O | |
single O | |
nucleotide O | |
polymorphisms O | |
( O | |
SNPs O | |
), O | |
inflammatory B | |
biomarkers O | |
, O | |
and O | |
metabolic O | |
indexes O | |
in O | |
women O | |
with O | |
GDM B | |
, O | |
especially O | |
in O | |
the O | |
Inner O | |
Mongolia O | |
population O | |
. O | |
The O | |
aim O | |
of O | |
this O | |
study O | |
was O | |
to O | |
investigate O | |
the O | |
associations O | |
of O | |
IL O | |
- O | |
65 O | |
- O | |
72C O | |
/ O | |
G O | |
and O | |
TNF O | |
- O | |
alpha O | |
- O | |
857C O | |
/ O | |
T O | |
SNPs O | |
, O | |
and O | |
inflammation B | |
and O | |
metabolic O | |
biomarkers O | |
in O | |
women O | |
with O | |
GDM B | |
pregnancies O | |
. O | |
MATERIAL O | |
AND O | |
METHODS O | |
Blood O | |
samples O | |
and O | |
placentas O | |
from O | |
140 O | |
women O | |
with O | |
GDM B | |
and O | |
140 O | |
women O | |
with O | |
healthy O | |
pregnancies O | |
were O | |
collected O | |
. O | |
Matrix O | |
- O | |
assisted O | |
laser O | |
desorption O | |
ionization O | |
time O | |
of O | |
flight O | |
mass O | |
spectrometry O | |
( O | |
MALDI O | |
- O | |
TOF O | |
- O | |
MS O | |
) O | |
and O | |
MassARRAY O | |
- O | |
IPLEX O | |
were O | |
performed O | |
to O | |
analyze O | |
IL O | |
- O | |
65 O | |
- O | |
72C O | |
/ O | |
G O | |
and O | |
TNF O | |
- O | |
alpha O | |
- O | |
857C O | |
/ O | |
T O | |
SNPs O | |
. O | |
Enzyme O | |
linked O | |
immunosorbent O | |
assay O | |
( O | |
ELISA O | |
) O | |
was O | |
performed O | |
to O | |
analyze O | |
inflammatory B | |
biomarkers O | |
and O | |
adipokines O | |
. O | |
RESULTS O | |
Distribution O | |
frequency O | |
of O | |
TNF O | |
- O | |
alpha O | |
- O | |
857CT O | |
( O | |
OR O | |
= O | |
3 O | |
. O | |
316 O | |
, O | |
95 O | |
% O | |
CI O | |
= O | |
1 O | |
. O | |
92 O | |
- O | |
8 O | |
. O | |
304 O | |
, O | |
p O | |
= O | |
0 O | |
. O | |
25 O | |
) O | |
in O | |
women O | |
with O | |
GDM B | |
pregnancies O | |
were O | |
obviously O | |
higher O | |
than O | |
that O | |
in O | |
women O | |
with O | |
healthy O | |
pregnancies O | |
. O | |
Women O | |
with O | |
GDM B | |
were O | |
of O | |
older O | |
maternal O | |
age O | |
, O | |
had O | |
higher O | |
BMI O | |
, O | |
were O | |
more O | |
nulliparous O | |
, O | |
and O | |
had O | |
T2DM B | |
and O | |
GDM B | |
history O | |
, O | |
compared O | |
to O | |
women O | |
with O | |
healthy O | |
pregnancies O | |
( O | |
p O | |
< O | |
0 O | |
. O | |
5 O | |
). O | |
Inflammatory B | |
biomarkers O | |
in O | |
serum O | |
( O | |
hs O | |
- O | |
CRP O | |
, O | |
IL O | |
- O | |
6 O | |
, O | |
IL O | |
- O | |
8 O | |
, O | |
IL O | |
- O | |
6 O | |
/ O | |
IL O | |
- O | |
10 O | |
ratio O | |
) O | |
and O | |
placental O | |
( O | |
NF O | |
- O | |
kappaB O | |
, O | |
IL O | |
- O | |
6 O | |
, O | |
IL O | |
- O | |
8 O | |
, O | |
IL O | |
- O | |
6 O | |
/ O | |
IL O | |
- O | |
10 O | |
ratio O | |
, O | |
IL O | |
- O | |
1b O | |
, O | |
TNF O | |
- O | |
alpha O | |
) O | |
were O | |
significantly O | |
different O | |
( O | |
p O | |
< O | |
0 O | |
. O | |
5 O | |
) O | |
between O | |
women O | |
with O | |
GDM B | |
and O | |
women O | |
with O | |
healthy O | |
pregnancies O | |
. O | |
Differences O | |
were O | |
found O | |
for O | |
serum O | |
FBG O | |
, O | |
FINS O | |
, O | |
HOMA O | |
- O | |
IR O | |
, O | |
and O | |
HOMA O | |
- O | |
beta O | |
, O | |
and O | |
placental O | |
IRS O | |
- O | |
1 O | |
, O | |
IRS O | |
- O | |
2 O | |
, O | |
leptin O | |
, O | |
adiponectin O | |
, O | |
visfatin O | |
, O | |
RBP O | |
- O | |
4 O | |
, O | |
chemerin O | |
, O | |
nesfatin O | |
- O | |
1 O | |
, O | |
FATP O | |
- O | |
4 O | |
, O | |
EL O | |
, O | |
LPL O | |
, O | |
FABP O | |
- O | |
1 O | |
, O | |
FABP O | |
- O | |
3 O | |
, O | |
FABP O | |
- O | |
4 O | |
, O | |
and O | |
FABP O | |
- O | |
5 O | |
. O | |
CONCLUSIONS O | |
TNF O | |
- O | |
alpha O | |
- O | |
857C O | |
/ O | |
T O | |
SNP O | |
, O | |
hs O | |
- O | |
CRP O | |
, O | |
IL O | |
- O | |
6 O | |
, O | |
IL O | |
- O | |
8 O | |
, O | |
and O | |
IL O | |
- O | |
6 O | |
/ O | |
IL O | |
- O | |
10 O | |
were O | |
associated O | |
with O | |
GDM B | |
in O | |
women O | |
from O | |
Inner O | |
Mongolia O | |
, O | |
as O | |
was O | |
serious O | |
inflammation B | |
and O | |
disordered B | |
lipid O | |
and I | |
glucose I | |
metabolisms O | |
. O | |
Fine O | |
mapping O | |
and O | |
identification O | |
of O | |
a O | |
candidate O | |
gene O | |
SSH1 O | |
in O | |
disseminated O | |
superficial O | |
actinic B | |
porokeratosis I | |
. O | |
Disseminated B | |
superficial I | |
actinic I | |
porokeratosis I | |
( O | |
DSAP B | |
) O | |
is O | |
an O | |
uncommon O | |
autosomal B | |
dominant I | |
chronic I | |
keratinization I | |
disorder I | |
, O | |
characterized O | |
by O | |
multiple O | |
superficial O | |
keratotic B | |
lesions O | |
surrounded O | |
by O | |
a O | |
slightly O | |
raised O | |
keratotic O | |
border O | |
. O | |
Thus O | |
far O | |
, O | |
although O | |
two O | |
loci O | |
for O | |
DSAP B | |
have O | |
been O | |
identified O | |
, O | |
the O | |
genetic O | |
basis O | |
and O | |
pathogenesis O | |
of O | |
this O | |
disorder O | |
have O | |
not O | |
been O | |
elucidated O | |
yet O | |
. O | |
In O | |
this O | |
study O | |
, O | |
we O | |
performed O | |
a O | |
genome O | |
- O | |
wide O | |
linkage O | |
analysis O | |
in O | |
three O | |
Chinese O | |
affected O | |
families O | |
and O | |
localized O | |
the O | |
gene O | |
in O | |
an O | |
8 O | |
. O | |
0 O | |
cM O | |
interval O | |
defined O | |
by O | |
D12S330 O | |
and O | |
D12S354 O | |
on O | |
chromosome O | |
12 O | |
. O | |
Upon O | |
screening O | |
30 O | |
candidate O | |
genes O | |
, O | |
we O | |
identified O | |
a O | |
missense O | |
mutation O | |
, O | |
p O | |
. O | |
Ser63Asn O | |
in O | |
SSH1 O | |
in O | |
one O | |
family O | |
, O | |
a O | |
frameshift O | |
mutation O | |
, O | |
p O | |
. O | |
Ser19CysfsX24 O | |
in O | |
an O | |
alternative O | |
variant O | |
( O | |
isoform O | |
f O | |
) O | |
of O | |
SSH1 O | |
in O | |
another O | |
family O | |
, O | |
and O | |
a O | |
frameshift O | |
mutation O | |
, O | |
p O | |
. O | |
Pro27ProfsX54 O | |
in O | |
the O | |
same O | |
alternative O | |
variant O | |
in O | |
one O | |
non O | |
- O | |
familial O | |
case O | |
with O | |
DSAP B | |
. O | |
SSH1 O | |
encodes O | |
a O | |
phosphatase O | |
that O | |
plays O | |
a O | |
pivotal O | |
role O | |
in O | |
actin O | |
dynamics O | |
. O | |
Our O | |
data O | |
suggested O | |
that O | |
cytoskeleton O | |
disorganization O | |
in O | |
epidermal O | |
cells O | |
is O | |
likely O | |
associated O | |
with O | |
the O | |
pathogenesis O | |
of O | |
DSAP B | |
. O | |
Array O | |
- O | |
based O | |
comparative O | |
genomic O | |
hybridization O | |
analysis O | |
reveals O | |
recurrent O | |
chromosomal O | |
alterations O | |
and O | |
prognostic O | |
parameters O | |
in O | |
primary B | |
cutaneous I | |
large I | |
B I | |
- I | |
cell I | |
lymphoma I | |
. O | |
PURPOSE O | |
: O | |
To O | |
evaluate O | |
the O | |
clinical O | |
relevance O | |
of O | |
genomic O | |
aberrations O | |
in O | |
primary B | |
cutaneous I | |
large I | |
B I | |
- I | |
cell I | |
lymphoma I | |
( O | |
PCLBCL B | |
). O | |
PATIENTS O | |
AND O | |
METHODS O | |
: O | |
Skin O | |
biopsy O | |
samples O | |
of O | |
31 O | |
patients O | |
with O | |
a O | |
PCLBCL B | |
classified O | |
as O | |
either O | |
primary B | |
cutaneous I | |
follicle I | |
center I | |
lymphoma I | |
( O | |
PCFCL B | |
; O | |
n O | |
= O | |
19 O | |
) O | |
or O | |
PCLBCL B | |
, O | |
leg O | |
type O | |
( O | |
n O | |
= O | |
12 O | |
), O | |
according O | |
to O | |
the O | |
WHO O | |
- O | |
European O | |
Organisation O | |
for O | |
Research O | |
and O | |
Treatment O | |
of O | |
Cancer B | |
( O | |
EORTC O | |
) O | |
classification O | |
, O | |
were O | |
investigated O | |
using O | |
array O | |
- O | |
based O | |
comparative O | |
genomic O | |
hybridization O | |
, O | |
fluorescence O | |
in O | |
situ O | |
hybridization O | |
( O | |
FISH O | |
), O | |
and O | |
examination O | |
of O | |
promoter O | |
hypermethylation O | |
. O | |
RESULTS O | |
: O | |
The O | |
most O | |
recurrent O | |
alterations O | |
in O | |
PCFCL B | |
were O | |
high O | |
- O | |
level O | |
DNA O | |
amplifications O | |
at O | |
2p16 O | |
. O | |
1 O | |
( O | |
63 O | |
%) O | |
and O | |
deletion O | |
of O | |
chromosome O | |
14q32 O | |
. O | |
33 O | |
( O | |
68 O | |
%). O | |
FISH O | |
analysis O | |
confirmed O | |
c O | |
- O | |
REL O | |
amplification O | |
in O | |
patients O | |
with O | |
gains O | |
at O | |
2p16 O | |
. O | |
1 O | |
. O | |
In O | |
PCLBCL B | |
, O | |
leg O | |
type O | |
, O | |
most O | |
prominent O | |
aberrations O | |
were O | |
a O | |
high O | |
- O | |
level O | |
DNA O | |
amplification O | |
of O | |
18q21 O | |
. O | |
31 O | |
- O | |
q21 O | |
. O | |
33 O | |
( O | |
67 O | |
%), O | |
including O | |
the O | |
BCL O | |
- O | |
2 O | |
and O | |
MALT1 O | |
genes O | |
as O | |
confirmed O | |
by O | |
FISH O | |
, O | |
and O | |
deletions O | |
of O | |
a O | |
small O | |
region O | |
within O | |
9p21 O | |
. O | |
3 O | |
containing O | |
the O | |
CDKN2A O | |
, O | |
CDKN2B O | |
, O | |
and O | |
NSG O | |
- O | |
x O | |
genes O | |
. O | |
Homozygous O | |
deletion O | |
of O | |
9p21 O | |
. O | |
3 O | |
was O | |
detected O | |
in O | |
five O | |
of O | |
12 O | |
patients O | |
with O | |
PCLBCL B | |
, O | |
leg O | |
type O | |
, O | |
but O | |
in O | |
zero O | |
of O | |
19 O | |
patients O | |
with O | |
PCFCL B | |
. O | |
Complete O | |
methylation O | |
of O | |
the O | |
promoter O | |
region O | |
of O | |
the O | |
CDKN2A O | |
gene O | |
was O | |
demonstrated O | |
in O | |
one O | |
PCLBCL B | |
, O | |
leg O | |
type O | |
, O | |
patient O | |
with O | |
hemizygous O | |
deletion O | |
, O | |
in O | |
one O | |
patient O | |
without O | |
deletion O | |
, O | |
but O | |
in O | |
zero O | |
of O | |
19 O | |
patients O | |
with O | |
PCFCL B | |
. O | |
Seven O | |
of O | |
seven O | |
PCLBCL B | |
, O | |
leg O | |
type O | |
, O | |
patients O | |
with O | |
deletion O | |
of O | |
9p21 O | |
. O | |
3 O | |
and O | |
/ O | |
or O | |
complete O | |
methylation O | |
of O | |
CDKN2A O | |
died O | |
as O | |
a O | |
result O | |
of O | |
their O | |
lymphoma B | |
. O | |
CONCLUSION O | |
: O | |
Our O | |
results O | |
demonstrate O | |
prominent O | |
differences O | |
in O | |
chromosomal O | |
alterations O | |
between O | |
PCFCL B | |
and O | |
PCLBCL B | |
, O | |
leg O | |
type O | |
, O | |
that O | |
support O | |
their O | |
classification O | |
as O | |
separate O | |
entities O | |
within O | |
the O | |
WHO O | |
- O | |
EORTC O | |
scheme O | |
. O | |
Inactivation O | |
of O | |
CDKN2A O | |
by O | |
either O | |
deletion O | |
or O | |
methylation O | |
of O | |
its O | |
promoter O | |
could O | |
be O | |
an O | |
important O | |
prognostic O | |
parameter O | |
for O | |
the O | |
group O | |
of O | |
PCLBCL B | |
, O | |
leg O | |
type O | |
. O | |
Osteogenesis B | |
imperfecta I | |
type I | |
III I | |
with O | |
intracranial B | |
hemorrhage I | |
and O | |
brachydactyly B | |
associated O | |
with O | |
mutations O | |
in O | |
exon O | |
49 O | |
of O | |
COL1A2 O | |
. O | |
Osteogenesis B | |
imperfecta I | |
( O | |
OI B | |
) O | |
is O | |
a O | |
heritable B | |
bone I | |
disorder I | |
characterized O | |
by O | |
fractures B | |
with O | |
minimal O | |
trauma O | |
. O | |
Intracranial B | |
hemorrhage I | |
has O | |
been O | |
reported O | |
in O | |
a O | |
small O | |
number O | |
of O | |
OI B | |
patients O | |
. O | |
Here O | |
we O | |
describe O | |
three O | |
patients O | |
, O | |
a O | |
boy O | |
( O | |
aged O | |
15 O | |
years O | |
) O | |
and O | |
two O | |
girls O | |
( O | |
aged O | |
17 O | |
and O | |
7 O | |
years O | |
) O | |
with O | |
OI B | |
type I | |
III I | |
who O | |
suffered O | |
intracranial B | |
hemorrhage I | |
and O | |
in O | |
addition O | |
had O | |
brachydactyly B | |
and O | |
nail B | |
hypoplasia I | |
. O | |
In O | |
all O | |
of O | |
these O | |
patients O | |
, O | |
OI B | |
was O | |
caused O | |
by O | |
glycine O | |
mutations O | |
affecting O | |
exon O | |
49 O | |
of O | |
the O | |
COL1A2 O | |
gene O | |
, O | |
which O | |
codes O | |
for O | |
the O | |
most O | |
carboxy O | |
- O | |
terminal O | |
part O | |
of O | |
the O | |
triple O | |
- O | |
helical O | |
domain O | |
of O | |
the O | |
collagen O | |
type O | |
I O | |
alpha O | |
2 O | |
chain O | |
. O | |
These O | |
observations O | |
suggest O | |
that O | |
mutations O | |
in O | |
this O | |
region O | |
of O | |
the O | |
collagen O | |
type O | |
I O | |
alpha O | |
2 O | |
chain O | |
carry O | |
a O | |
high O | |
risk O | |
of O | |
abnormal B | |
limb I | |
development I | |
and O | |
intracranial B | |
bleeding I | |
. O | |
Bilateral O | |
haemorrhagic B | |
infarction I | |
of I | |
the I | |
globus I | |
pallidus I | |
after O | |
cocaine O | |
and O | |
alcohol O | |
intoxication I | |
. O | |
Cocaine O | |
is O | |
a O | |
risk O | |
factor O | |
for O | |
both O | |
ischemic B | |
and I | |
haemorrhagic I | |
stroke I | |
. O | |
We O | |
present O | |
the O | |
case O | |
of O | |
a O | |
31 O | |
- O | |
year O | |
- O | |
old O | |
man O | |
with O | |
bilateral O | |
ischemia B | |
of I | |
the I | |
globus I | |
pallidus I | |
after O | |
excessive O | |
alcohol O | |
and O | |
intranasal O | |
cocaine O | |
use O | |
. O | |
Drug O | |
- O | |
related O | |
globus B | |
pallidus I | |
infarctions I | |
are O | |
most O | |
often O | |
associated O | |
with O | |
heroin O | |
. O | |
Bilateral O | |
basal B | |
ganglia I | |
infarcts I | |
after O | |
the O | |
use O | |
of O | |
cocaine O | |
, O | |
without O | |
concurrent O | |
heroin O | |
use O | |
, O | |
have O | |
never O | |
been O | |
reported O | |
. O | |
In O | |
our O | |
patient O | |
, O | |
transient O | |
cardiac B | |
arrhythmia I | |
or O | |
respiratory B | |
dysfunction I | |
related O | |
to O | |
cocaine O | |
and O | |
/ O | |
or O | |
ethanol O | |
use O | |
were O | |
the O | |
most O | |
likely O | |
causes O | |
of O | |
cerebral B | |
hypoperfusion I | |
. O | |
The O | |
fibrinogen O | |
gamma O | |
10034C O | |
> O | |
T O | |
polymorphism O | |
is O | |
not O | |
associated O | |
with O | |
Peripheral B | |
Arterial I | |
Disease I | |
. O | |
Conversion O | |
of O | |
fibrinogen O | |
to O | |
fibrin O | |
plays O | |
an O | |
essential O | |
role O | |
in O | |
hemostasis O | |
and O | |
results O | |
in O | |
stabilization O | |
of O | |
the O | |
fibrin O | |
clot O | |
. O | |
Fibrinogen O | |
consists O | |
of O | |
three O | |
pairs O | |
of O | |
non O | |
- O | |
identical O | |
polypeptide O | |
chains O | |
, O | |
encoded O | |
by O | |
different O | |
genes O | |
( O | |
fibrinogen O | |
alpha O | |
[ O | |
FGA O | |
], O | |
fibrinogen O | |
beta O | |
[ O | |
FGB O | |
] O | |
and O | |
fibrinogen O | |
gamma O | |
[ O | |
FGG O | |
]). O | |
A O | |
functional O | |
single O | |
nucleotide O | |
polymorphism O | |
( O | |
SNP O | |
) O | |
in O | |
the O | |
3 O | |
' O | |
untranslated O | |
region O | |
of O | |
the O | |
FGG O | |
gene O | |
( O | |
FGG O | |
10034C O | |
> O | |
T O | |
, O | |
rs2066865 O | |
) O | |
has O | |
been O | |
associated O | |
with O | |
deep B | |
venous I | |
thrombosis I | |
and O | |
myocardial B | |
infarction I | |
. O | |
Aim O | |
of O | |
the O | |
present O | |
study O | |
was O | |
to O | |
analyze O | |
the O | |
role O | |
of O | |
this O | |
polymorphism O | |
in O | |
peripheral B | |
arterial I | |
disease I | |
( O | |
PAD B | |
). O | |
The O | |
study O | |
was O | |
designed O | |
as O | |
case O | |
- O | |
control O | |
study O | |
including O | |
891 O | |
patients O | |
with O | |
documented O | |
PAD B | |
and O | |
777 O | |
control O | |
subjects O | |
. O | |
FGG O | |
genotypes O | |
were O | |
determined O | |
by O | |
exonuclease O | |
( O | |
TaqMan O | |
) O | |
assays O | |
. O | |
FGG O | |
genotype O | |
frequencies O | |
were O | |
not O | |
significantly O | |
different O | |
between O | |
PAD B | |
patients O | |
( O | |
CC O | |
: O | |
57 O | |
. O | |
3 O | |
%, O | |
CT O | |
: O | |
36 O | |
. O | |
7 O | |
%, O | |
TT O | |
: O | |
5 O | |
. O | |
8 O | |
%) O | |
and O | |
control O | |
subjects O | |
( O | |
CC O | |
: O | |
60 O | |
. O | |
9 O | |
%, O | |
CT O | |
: O | |
33 O | |
. O | |
5 O | |
%, O | |
TT O | |
5 O | |
. O | |
6 O | |
%; O | |
p O | |
= O | |
0 O | |
. O | |
35 O | |
). O | |
In O | |
a O | |
multivariate O | |
logistic O | |
regression O | |
analysis O | |
including O | |
age O | |
, O | |
sex O | |
, O | |
smoking O | |
, O | |
diabetes B | |
, O | |
arterial O | |
hypertension B | |
and O | |
hypercholesterolemia B | |
, O | |
the O | |
FGG O | |
10034 O | |
T O | |
variant O | |
was O | |
not O | |
significantly O | |
associated O | |
with O | |
the O | |
presence O | |
of O | |
PAD B | |
( O | |
Odds O | |
ratio O | |
1 O | |
. O | |
7 O | |
, O | |
95 O | |
% O | |
confidence O | |
interval O | |
0 O | |
. O | |
84 O | |
- O | |
1 O | |
. O | |
37 O | |
; O | |
p O | |
= O | |
0 O | |
. O | |
60 O | |
). O | |
The O | |
FGG O | |
10034C O | |
> O | |
T O | |
polymorphism O | |
was O | |
furthermore O | |
not O | |
associated O | |
with O | |
age O | |
at O | |
onset O | |
of O | |
PAD B | |
. O | |
We O | |
conclude O | |
that O | |
the O | |
thrombophilic O | |
FGG O | |
10034 O | |
T O | |
gene O | |
variant O | |
does O | |
not O | |
contribute O | |
to O | |
the O | |
genetic O | |
susceptibility O | |
to O | |
PAD B | |
. O | |
Genotype O | |
rs8099917 O | |
near O | |
the O | |
IL28B O | |
gene O | |
and O | |
amino O | |
acid O | |
substitution O | |
at O | |
position O | |
70 O | |
in O | |
the O | |
core O | |
region O | |
of O | |
the O | |
hepatitis O | |
C O | |
virus O | |
are O | |
determinants O | |
of O | |
serum O | |
apolipoprotein O | |
B O | |
- O | |
100 O | |
concentration O | |
in O | |
chronic B | |
hepatitis I | |
C I | |
. O | |
The O | |
life O | |
cycle O | |
of O | |
the O | |
hepatitis O | |
C O | |
virus O | |
( O | |
HCV O | |
) O | |
is O | |
closely O | |
related O | |
to O | |
host O | |
lipoprotein O | |
metabolism O | |
. O | |
Serum O | |
levels O | |
of O | |
lipid O | |
are O | |
associated O | |
with O | |
the O | |
response O | |
to O | |
pegylated O | |
interferon O | |
plus O | |
ribavirin O | |
( O | |
PEG O | |
- O | |
IFN O | |
/ O | |
RBV O | |
) O | |
therapy O | |
, O | |
while O | |
single O | |
nucleotide O | |
polymorphisms O | |
( O | |
SNPs O | |
) O | |
around O | |
the O | |
human O | |
interleukin O | |
28B O | |
( O | |
IL28B O | |
) O | |
gene O | |
locus O | |
and O | |
amino O | |
acid O | |
substitutions O | |
in O | |
the O | |
core O | |
region O | |
of O | |
the O | |
HCV O | |
have O | |
been O | |
reported O | |
to O | |
affect O | |
the O | |
efficacy O | |
of O | |
PEG O | |
- O | |
IFN O | |
/ O | |
RBV O | |
therapy O | |
in O | |
chronic B | |
hepatitis I | |
with O | |
HCV B | |
genotype I | |
1b I | |
infection I | |
. O | |
The O | |
aim O | |
of O | |
this O | |
study O | |
was O | |
to O | |
elucidate O | |
the O | |
relationship O | |
between O | |
serum O | |
lipid O | |
and O | |
factors O | |
that O | |
are O | |
able O | |
to O | |
predict O | |
the O | |
efficacy O | |
of O | |
PEG O | |
- O | |
IFN O | |
/ O | |
RB O | |
therapy O | |
, O | |
with O | |
specific O | |
focus O | |
on O | |
apolipoprotein O | |
B O | |
- O | |
100 O | |
( O | |
apoB O | |
- O | |
100 O | |
) O | |
in O | |
148 O | |
subjects O | |
with O | |
chronic O | |
HCV B | |
G1b I | |
infection I | |
. O | |
Our O | |
results O | |
demonstrated O | |
that O | |
both O | |
the O | |
aa O | |
70 O | |
substitution O | |
in O | |
the O | |
core O | |
region O | |
of O | |
the O | |
HCV O | |
and O | |
the O | |
rs8099917 O | |
SNP O | |
located O | |
proximal O | |
to O | |
the O | |
IL28B O | |
were O | |
independent O | |
factors O | |
in O | |
determining O | |
serum O | |
apoB O | |
- O | |
100 O | |
and O | |
low O | |
- O | |
density O | |
lipoprotein O | |
( O | |
LDL O | |
) O | |
cholesterol O | |
levels O | |
. O | |
A O | |
significant O | |
association O | |
was O | |
noted O | |
between O | |
higher O | |
levels O | |
of O | |
apoB O | |
- O | |
100 O | |
( O | |
P O | |
= O | |
1 O | |
. O | |
1 O | |
10 O | |
(- O | |
3 O | |
)) O | |
and O | |
LDL O | |
cholesterol O | |
( O | |
P O | |
= O | |
0 O | |
. O | |
2 O | |
) O | |
and O | |
the O | |
subjects O | |
having O | |
Arg70 O | |
. O | |
A O | |
significant O | |
association O | |
was O | |
also O | |
observed O | |
between O | |
subjects O | |
carrying O | |
the O | |
rs8099917 O | |
TT O | |
responder O | |
genotype O | |
and O | |
higher O | |
levels O | |
of O | |
apoB O | |
- O | |
100 O | |
( O | |
P O | |
= O | |
6 O | |
. O | |
4 O | |
10 O | |
(- O | |
3 O | |
)) O | |
and O | |
LDL O | |
cholesterol O | |
( O | |
P O | |
= O | |
4 O | |
. O | |
2 O | |
10 O | |
(- O | |
3 O | |
)). O | |
Our O | |
results O | |
suggest O | |
that O | |
apoB O | |
- O | |
100 O | |
and O | |
LDL O | |
cholesterol O | |
are O | |
markers O | |
of O | |
impaired O | |
cellular O | |
lipoprotein O | |
pathways O | |
and O | |
/ O | |
or O | |
host O | |
endogenous O | |
interferon O | |
response O | |
to O | |
HCV O | |
in O | |
chronic O | |
HCV B | |
infection I | |
. O | |
In O | |
particular O | |
, O | |
serum O | |
apoB O | |
- O | |
100 O | |
concentration O | |
might O | |
be O | |
an O | |
informative O | |
marker O | |
for O | |
judging O | |
changes O | |
in O | |
HCV O | |
- O | |
associated O | |
intracellular O | |
lipoprotein O | |
metabolism O | |
in O | |
patients O | |
carrying O | |
the O | |
rs8099917 O | |
responder O | |
genotype O | |
. O | |
Phosphatidylinositol O | |
4 O | |
- O | |
kinase O | |
IIb O | |
negatively O | |
regulates O | |
invadopodia O | |
formation O | |
and O | |
suppresses O | |
an O | |
invasive O | |
cellular O | |
phenotype O | |
. O | |
The O | |
type O | |
II O | |
phosphatidylinositol O | |
4 O | |
- O | |
kinase O | |
( O | |
PI4KII O | |
) O | |
enzymes O | |
synthesize O | |
the O | |
lipid O | |
phosphatidylinositol O | |
4 O | |
- O | |
phosphate O | |
( O | |
PI O | |
( O | |
4 O | |
) O | |
P O | |
), O | |
which O | |
has O | |
been O | |
detected O | |
at O | |
the O | |
Golgi O | |
complex O | |
and O | |
endosomal O | |
compartments O | |
and O | |
recruits O | |
clathrin O | |
adaptors O | |
. O | |
Despite O | |
common O | |
mechanistic O | |
similarities O | |
between O | |
the O | |
isoforms O | |
, O | |
the O | |
extent O | |
of O | |
their O | |
redundancy O | |
is O | |
unclear O | |
. O | |
We O | |
found O | |
that O | |
depletion O | |
of O | |
PI4KIIa O | |
and O | |
PI4KIIb O | |
using O | |
small O | |
interfering O | |
RNA O | |
led O | |
to O | |
actin O | |
remodeling O | |
. O | |
Depletion O | |
of O | |
PI4KIIb O | |
also O | |
induced O | |
the O | |
formation O | |
of O | |
invadopodia O | |
containing O | |
membrane O | |
type O | |
I O | |
matrix O | |
metalloproteinase O | |
( O | |
MT1 O | |
- O | |
MMP O | |
). O | |
Depletion O | |
of O | |
PI4KII O | |
isoforms O | |
also O | |
differentially O | |
affected O | |
trans O | |
- O | |
Golgi O | |
network O | |
( O | |
TGN O | |
) O | |
pools O | |
of O | |
PI O | |
( O | |
4 O | |
) O | |
P O | |
and O | |
post O | |
- O | |
TGN O | |
traffic O | |
. O | |
PI4KIIb O | |
depletion O | |
caused O | |
increased O | |
MT1 O | |
- O | |
MMP O | |
trafficking O | |
to O | |
invasive O | |
structures O | |
at O | |
the O | |
plasma O | |
membrane O | |
and O | |
was O | |
accompanied O | |
by O | |
reduced O | |
colocalization O | |
of O | |
MT1 O | |
- O | |
MMP O | |
with O | |
membranes O | |
containing O | |
the O | |
endosomal O | |
markers O | |
Rab5 O | |
and O | |
Rab7 O | |
but O | |
increased O | |
localization O | |
with O | |
the O | |
exocytic O | |
Rab8 O | |
. O | |
Depletion O | |
of O | |
PI4KIIb O | |
was O | |
sufficient O | |
to O | |
confer O | |
an O | |
aggressive O | |
invasive O | |
phenotype O | |
on O | |
minimally O | |
invasive O | |
HeLa O | |
and O | |
MCF O | |
- O | |
7 O | |
cell O | |
lines O | |
. O | |
Mining O | |
oncogenomic O | |
databases O | |
revealed O | |
that O | |
loss O | |
of O | |
the O | |
PI4K2B O | |
allele O | |
and O | |
underexpression O | |
of O | |
PI4KIIb O | |
mRNA O | |
are O | |
associated O | |
with O | |
human O | |
cancers B | |
. O | |
This O | |
finding O | |
supports O | |
the O | |
cell O | |
data O | |
and O | |
suggests O | |
that O | |
PI4KIIb O | |
may O | |
be O | |
a O | |
clinically O | |
significant O | |
suppressor O | |
of O | |
invasion O | |
. O | |
We O | |
propose O | |
that O | |
PI4KIIb O | |
synthesizes O | |
a O | |
pool O | |
of O | |
PI O | |
( O | |
4 O | |
) O | |
P O | |
that O | |
maintains O | |
MT1 O | |
- O | |
MMP O | |
traffic O | |
in O | |
the O | |
degradative O | |
pathway O | |
and O | |
suppresses O | |
the O | |
formation O | |
of O | |
invadopodia O | |
. O | |
CenpH O | |
regulates O | |
meiotic O | |
G2 O | |
/ O | |
M O | |
transition O | |
by O | |
modulating O | |
the O | |
APC O | |
/ O | |
CCdh1 O | |
- O | |
cyclin O | |
B1 O | |
pathway O | |
in O | |
oocytes O | |
. O | |
Meiotic O | |
resumption O | |
( O | |
G2 O | |
/ O | |
M O | |
transition O | |
) O | |
and O | |
progression O | |
through O | |
meiosis O | |
I O | |
( O | |
MI O | |
) O | |
are O | |
two O | |
key O | |
stages O | |
for O | |
producing O | |
fertilization O | |
- O | |
competent O | |
eggs O | |
. O | |
Here O | |
, O | |
we O | |
report O | |
that O | |
CenpH O | |
, O | |
a O | |
component O | |
of O | |
the O | |
kinetochore O | |
inner O | |
plate O | |
, O | |
is O | |
responsible O | |
for O | |
G2 O | |
/ O | |
M O | |
transition O | |
in O | |
meiotic O | |
mouse O | |
oocytes O | |
. O | |
Depletion O | |
of O | |
CenpH O | |
by O | |
morpholino O | |
injection O | |
decreased O | |
cyclin O | |
B1 O | |
levels O | |
, O | |
resulting O | |
in O | |
attenuation O | |
of O | |
maturation O | |
- O | |
promoting O | |
factor O | |
( O | |
MPF O | |
) O | |
activation O | |
, O | |
and O | |
severely O | |
compromised O | |
meiotic O | |
resumption O | |
. O | |
CenpH O | |
protects O | |
cyclin O | |
B1 O | |
from O | |
destruction O | |
by O | |
competing O | |
with O | |
the O | |
action O | |
of O | |
APC O | |
/ O | |
C O | |
( O | |
Cdh1 O | |
) O | |
Impaired O | |
G2 O | |
/ O | |
M O | |
transition O | |
after O | |
CenpH O | |
depletion O | |
could O | |
be O | |
rescued O | |
by O | |
expression O | |
of O | |
exogenous O | |
cyclin O | |
B1 O | |
. O | |
Unexpectedly O | |
, O | |
blocking O | |
CenpH O | |
did O | |
not O | |
affect O | |
spindle O | |
organization O | |
and O | |
meiotic O | |
cell O | |
cycle O | |
progression O | |
after O | |
germinal O | |
vesicle O | |
breakdown O | |
. O | |
Our O | |
findings O | |
reveal O | |
a O | |
novel O | |
role O | |
of O | |
CenpH O | |
in O | |
regulating O | |
meiotic O | |
G2 O | |
/ O | |
M O | |
transition O | |
by O | |
acting O | |
via O | |
the O | |
APC O | |
/ O | |
C O | |
( O | |
Cdh1 O | |
)- O | |
cyclin O | |
B1 O | |
pathway O | |
. O | |
CRYBA3 O | |
/ O | |
A1 O | |
gene O | |
mutation O | |
associated O | |
with O | |
suture O | |
- O | |
sparing O | |
autosomal O | |
dominant O | |
congenital O | |
nuclear I | |
cataract I | |
: O | |
a O | |
novel O | |
phenotype O | |
. O | |
PURPOSE O | |
: O | |
To O | |
identify O | |
the O | |
genetic B | |
defect I | |
leading O | |
to O | |
the O | |
congenital O | |
nuclear I | |
cataract I | |
affecting O | |
a O | |
large O | |
five O | |
- O | |
generation O | |
Swiss O | |
family O | |
. O | |
METHODS O | |
: O | |
Family O | |
history O | |
and O | |
clinical O | |
data O | |
were O | |
recorded O | |
. O | |
The O | |
phenotype O | |
was O | |
documented O | |
by O | |
both O | |
slit O | |
lamp O | |
and O | |
Scheimpflug O | |
photography O | |
. O | |
One O | |
cortical O | |
lens O | |
was O | |
evaluated O | |
by O | |
electron O | |
microscopy O | |
after O | |
cataract B | |
extraction O | |
. O | |
Lenticular O | |
phenotyping O | |
and O | |
genotyping O | |
were O | |
performed O | |
independently O | |
with O | |
short O | |
tandem O | |
repeat O | |
polymorphism O | |
. O | |
Linkage O | |
analysis O | |
was O | |
performed O | |
, O | |
and O | |
candidate O | |
genes O | |
were O | |
PCR O | |
amplified O | |
and O | |
screened O | |
for O | |
mutations O | |
on O | |
both O | |
strands O | |
using O | |
direct O | |
sequencing O | |
. O | |
RESULTS O | |
: O | |
Affected O | |
individuals O | |
had O | |
a O | |
congenital O | |
nuclear B | |
lactescent I | |
cataract I | |
in O | |
both O | |
eyes O | |
. O | |
Linkage O | |
was O | |
observed O | |
on O | |
chromosome O | |
17 O | |
for O | |
DNA O | |
marker O | |
D17S1857 O | |
( O | |
lod O | |
score O | |
: O | |
3 O | |
. O | |
44 O | |
at O | |
theta O | |
= O | |
0 O | |
). O | |
Direct O | |
sequencing O | |
of O | |
CRYBA3 O | |
/ O | |
A1 O | |
, O | |
which O | |
maps O | |
to O | |
the O | |
vicinity O | |
, O | |
revealed O | |
an O | |
in O | |
- O | |
frame O | |
3 O | |
- O | |
bp O | |
deletion O | |
in O | |
exon O | |
4 O | |
( O | |
279delGAG O | |
). O | |
This O | |
mutation O | |
involved O | |
a O | |
deletion O | |
of O | |
glycine O | |
- O | |
91 O | |
, O | |
cosegregated O | |
in O | |
all O | |
affected O | |
individuals O | |
, O | |
and O | |
was O | |
not O | |
observed O | |
in O | |
unaffected O | |
individuals O | |
or O | |
in O | |
250 O | |
normal O | |
control O | |
subjects O | |
from O | |
the O | |
same O | |
ethnic O | |
background O | |
. O | |
Electron O | |
microscopy O | |
showed O | |
that O | |
cortical O | |
lens O | |
fiber O | |
morphology O | |
was O | |
normal O | |
. O | |
CONCLUSIONS O | |
: O | |
The O | |
DeltaG91 O | |
mutation O | |
in O | |
CRYBA3 O | |
/ O | |
A1 O | |
is O | |
associated O | |
with O | |
an O | |
autosomal O | |
dominant O | |
congenital B | |
nuclear I | |
lactescent I | |
cataract I | |
. O | |
A O | |
splice O | |
mutation O | |
( O | |
IVS3 O | |
+ O | |
1G O | |
/ O | |
A O | |
) O | |
in O | |
this O | |
gene O | |
has O | |
been O | |
reported O | |
in O | |
a O | |
zonular B | |
cataract I | |
with O | |
sutural B | |
opacities I | |
. O | |
These O | |
results O | |
indicate O | |
phenotypic O | |
heterogeneity O | |
related O | |
to O | |
mutations O | |
in O | |
this O | |
gene O | |
. O | |
Vitamin O | |
D O | |
- O | |
binding O | |
protein O | |
gene O | |
polymorphism O | |
association O | |
with O | |
IA O | |
- O | |
2 O | |
autoantibodies O | |
in O | |
type B | |
1 I | |
diabetes I | |
. O | |
BACKGROUND O | |
: O | |
Vitamin O | |
D O | |
- O | |
binding O | |
protein O | |
( O | |
DBP O | |
) O | |
is O | |
the O | |
main O | |
systemic O | |
transporter O | |
of O | |
1 O | |
. O | |
25 O | |
( O | |
OH O | |
) O | |
2D3 O | |
and O | |
is O | |
essential O | |
for O | |
its O | |
cellular O | |
endocytosis O | |
. O | |
There O | |
are O | |
two O | |
known O | |
polymorphisms O | |
in O | |
exon O | |
11 O | |
of O | |
the O | |
DBP O | |
gene O | |
resulting O | |
in O | |
amino O | |
acid O | |
variants O | |
: O | |
GAT O | |
--> O | |
GAG O | |
substitution O | |
replaces O | |
aspartic O | |
acid O | |
by O | |
glutamic O | |
acid O | |
in O | |
codon O | |
416 O | |
; O | |
and O | |
ACG O | |
--> O | |
AAG O | |
substitution O | |
in O | |
codon O | |
420 O | |
leads O | |
to O | |
an O | |
exchange O | |
of O | |
threonine O | |
for O | |
lysine O | |
. O | |
These O | |
DBP O | |
variants O | |
lead O | |
to O | |
differences O | |
in O | |
the O | |
affinity O | |
for O | |
1 O | |
. O | |
25 O | |
( O | |
OH O | |
) O | |
2D3 O | |
. O | |
Correlations O | |
between O | |
DBP O | |
alleles O | |
and O | |
type B | |
1 I | |
diabetes I | |
have O | |
been O | |
described O | |
in O | |
different O | |
populations O | |
. O | |
Therefore O | |
, O | |
we O | |
investigated O | |
the O | |
polymorphism O | |
in O | |
codon O | |
416 O | |
of O | |
the O | |
DBP O | |
gene O | |
for O | |
an O | |
association O | |
with O | |
autoimmune O | |
markers O | |
of O | |
type B | |
1 I | |
diabetes I | |
. O | |
DESIGN O | |
AND O | |
METHODS O | |
: O | |
The O | |
present O | |
analysis O | |
was O | |
a O | |
case O | |
control O | |
study O | |
. O | |
110 O | |
patients O | |
, O | |
68 O | |
controls O | |
, O | |
and O | |
115 O | |
first O | |
- O | |
degree O | |
relatives O | |
were O | |
genotyped O | |
for O | |
the O | |
DBP O | |
polymorphism O | |
in O | |
codon O | |
416 O | |
. O | |
DNA O | |
typing O | |
of O | |
DBP O | |
locus O | |
was O | |
performed O | |
by O | |
the O | |
PCR O | |
- O | |
restriction O | |
fragment O | |
length O | |
polymorphism O | |
method O | |
( O | |
RFLP O | |
). O | |
RESULTS O | |
: O | |
The O | |
frequencies O | |
of O | |
the O | |
Asp O | |
/ O | |
Glu O | |
and O | |
Glu O | |
/ O | |
Glu O | |
were O | |
significantly O | |
increased O | |
in O | |
diabetic B | |
subjects O | |
with O | |
detectable O | |
IA O | |
- O | |
2 O | |
antibodies O | |
( O | |
P O | |
< O | |
0 O | |
. O | |
1 O | |
). O | |
On O | |
the O | |
contrary O | |
, O | |
the O | |
DBP O | |
Glu O | |
- O | |
containing O | |
genotype O | |
was O | |
not O | |
accompanied O | |
by O | |
differences O | |
in O | |
the O | |
prevalence O | |
of O | |
GAD65 O | |
antibodies O | |
. O | |
These O | |
finding O | |
supports O | |
a O | |
role O | |
of O | |
the O | |
vitamin O | |
D O | |
endocrine O | |
system O | |
in O | |
the O | |
autoimmune O | |
process O | |
of O | |
type B | |
1 I | |
diabetes I | |
. O | |
Characterization O | |
of O | |
Bietti B | |
crystalline I | |
dystrophy I | |
patients O | |
with O | |
CYP4V2 O | |
mutations O | |
. O | |
PURPOSE O | |
: O | |
Mutations O | |
of O | |
the O | |
CYP4V2 O | |
gene O | |
, O | |
a O | |
novel O | |
family O | |
member O | |
of O | |
the O | |
cytochrome O | |
P450 O | |
genes O | |
on O | |
chromosome O | |
4q35 O | |
, O | |
have O | |
recently O | |
been O | |
identified O | |
in O | |
patients O | |
with O | |
Bietti B | |
crystalline I | |
dystrophy I | |
( O | |
BCD B | |
). O | |
The O | |
aim O | |
of O | |
this O | |
study O | |
was O | |
to O | |
investigate O | |
the O | |
spectrum O | |
of O | |
mutations O | |
in O | |
this O | |
gene O | |
in O | |
BCD B | |
patients O | |
from O | |
Singapore O | |
, O | |
and O | |
to O | |
characterize O | |
their O | |
phenotype O | |
. O | |
METHODS O | |
: O | |
Nine O | |
patients O | |
with O | |
BCD B | |
from O | |
six O | |
families O | |
were O | |
recruited O | |
into O | |
the O | |
study O | |
. O | |
The O | |
11 O | |
exons O | |
of O | |
the O | |
CYP4V2 O | |
gene O | |
were O | |
amplified O | |
from O | |
genomic O | |
DNA O | |
of O | |
patients O | |
by O | |
polymerase O | |
chain O | |
reaction O | |
and O | |
then O | |
sequenced O | |
. O | |
Detailed O | |
characterization O | |
of O | |
the O | |
patients O | |
' O | |
phenotype O | |
was O | |
performed O | |
with O | |
fundal O | |
photography O | |
, O | |
visual O | |
field O | |
testing O | |
, O | |
fundal O | |
fluorescein O | |
angiography O | |
, O | |
and O | |
electroretinography O | |
( O | |
ERG O | |
). O | |
RESULTS O | |
: O | |
Three O | |
pathogenic O | |
mutations O | |
were O | |
identified O | |
; O | |
two O | |
mutations O | |
, O | |
S482X O | |
and O | |
K386T O | |
, O | |
were O | |
novel O | |
and O | |
found O | |
in O | |
three O | |
patients O | |
. O | |
The O | |
third O | |
mutation O | |
, O | |
a O | |
previously O | |
identified O | |
15 O | |
- O | |
bp O | |
deletion O | |
that O | |
included O | |
the O | |
3 O | |
' O | |
splice O | |
site O | |
for O | |
exon O | |
7 O | |
, O | |
was O | |
found O | |
in O | |
all O | |
nine O | |
patients O | |
, O | |
with O | |
six O | |
patients O | |
carrying O | |
the O | |
deletion O | |
in O | |
the O | |
homozygous O | |
state O | |
. O | |
Haplotype O | |
analysis O | |
in O | |
patients O | |
and O | |
controls O | |
indicated O | |
a O | |
founder O | |
effect O | |
for O | |
this O | |
deletion O | |
mutation O | |
in O | |
exon O | |
7 O | |
. O | |
Clinical O | |
heterogeneity O | |
was O | |
present O | |
in O | |
the O | |
patients O | |
. O | |
Compound O | |
heterozygotes O | |
for O | |
the O | |
deletion O | |
in O | |
exon O | |
7 O | |
seemed O | |
to O | |
have O | |
more O | |
severe O | |
disease O | |
compared O | |
to O | |
patients O | |
homozygous O | |
for O | |
the O | |
deletion O | |
. O | |
There O | |
was O | |
good O | |
correlation O | |
between O | |
clinical O | |
stage O | |
of O | |
disease O | |
and O | |
ERG O | |
changes O | |
, O | |
but O | |
age O | |
did O | |
not O | |
correlate O | |
with O | |
disease O | |
severity O | |
. O | |
CONCLUSIONS O | |
: O | |
This O | |
study O | |
identified O | |
novel O | |
mutations O | |
in O | |
the O | |
CYP4V2 O | |
gene O | |
as O | |
a O | |
cause O | |
of O | |
BCD B | |
. O | |
A O | |
high O | |
carrier O | |
frequency O | |
for O | |
the O | |
15 O | |
- O | |
bp O | |
deletion O | |
in O | |
exon O | |
7 O | |
may O | |
exist O | |
in O | |
the O | |
Singapore O | |
population O | |
. O | |
Phenotype O | |
characterization O | |
showed O | |
clinical O | |
heterogeneity O | |
, O | |
and O | |
age O | |
did O | |
not O | |
correlate O | |
with O | |
disease O | |
severity O | |
. O | |
An O | |
extremely O | |
rare O | |
case O | |
of O | |
delusional B | |
parasitosis I | |
in O | |
a O | |
chronic O | |
hepatitis B | |
C I | |
patient O | |
during O | |
pegylated O | |
interferon O | |
alpha O | |
- O | |
2b O | |
and O | |
ribavirin O | |
treatment O | |
. O | |
During O | |
treatment O | |
of O | |
chronic O | |
hepatitis B | |
C I | |
patients O | |
with O | |
interferon O | |
and O | |
ribavirin O | |
, O | |
a O | |
lot O | |
of O | |
side O | |
effects O | |
are O | |
described O | |
. O | |
Twenty O | |
- O | |
three O | |
percent O | |
to O | |
44 O | |
% O | |
of O | |
patients O | |
develop O | |
depression B | |
. O | |
A O | |
minority O | |
of O | |
patients O | |
evolve O | |
to O | |
psychosis B | |
. O | |
To O | |
the O | |
best O | |
of O | |
our O | |
knowledge O | |
, O | |
no O | |
cases O | |
of O | |
psychogenic B | |
parasitosis I | |
occurring O | |
during O | |
interferon O | |
therapy O | |
have O | |
been O | |
described O | |
in O | |
the O | |
literature O | |
. O | |
We O | |
present O | |
a O | |
49 O | |
- O | |
year O | |
- O | |
old O | |
woman O | |
who O | |
developed O | |
a O | |
delusional B | |
parasitosis I | |
during O | |
treatment O | |
with O | |
pegylated O | |
interferon O | |
alpha O | |
- O | |
2b O | |
weekly O | |
and O | |
ribavirin O | |
. O | |
She O | |
complained O | |
of O | |
seeing O | |
parasites O | |
and O | |
the O | |
larvae O | |
of O | |
fleas O | |
in O | |
her O | |
stools O | |
. O | |
This O | |
could O | |
not O | |
be O | |
confirmed O | |
by O | |
any O | |
technical O | |
examination O | |
. O | |
All O | |
the O | |
complaints O | |
disappeared O | |
after O | |
stopping O | |
pegylated O | |
interferon O | |
alpha O | |
- O | |
2b O | |
and O | |
reappeared O | |
after O | |
restarting O | |
it O | |
. O | |
She O | |
had O | |
a O | |
complete O | |
sustained O | |
viral O | |
response O | |
. O | |
Protein O | |
- O | |
Trap O | |
Insertional O | |
Mutagenesis O | |
Uncovers O | |
New O | |
Genes O | |
Involved O | |
in O | |
Zebrafish O | |
Skin O | |
Development O | |
, O | |
Including O | |
a O | |
Neuregulin O | |
2a O | |
- O | |
Based O | |
ErbB O | |
Signaling O | |
Pathway O | |
Required O | |
during O | |
Median O | |
Fin O | |
Fold O | |
Morphogenesis O | |
. O | |
Skin B | |
disorders I | |
are O | |
widespread O | |
, O | |
but O | |
available O | |
treatments O | |
are O | |
limited O | |
. O | |
A O | |
more O | |
comprehensive O | |
understanding O | |
of O | |
skin O | |
development O | |
mechanisms O | |
will O | |
drive O | |
identification O | |
of O | |
new O | |
treatment O | |
targets O | |
and O | |
modalities O | |
. O | |
Here O | |
we O | |
report O | |
the O | |
Zebrafish O | |
Integument O | |
Project O | |
( O | |
ZIP O | |
), O | |
an O | |
expression O | |
- O | |
driven O | |
platform O | |
for O | |
identifying O | |
new O | |
skin O | |
genes O | |
and O | |
phenotypes O | |
in O | |
the O | |
vertebrate O | |
model O | |
Danio O | |
rerio O | |
( O | |
zebrafish O | |
). O | |
In O | |
vivo O | |
selection O | |
for O | |
skin O | |
- O | |
specific O | |
expression O | |
of O | |
gene O | |
- O | |
break O | |
transposon O | |
( O | |
GBT O | |
) O | |
mutant O | |
lines O | |
identified O | |
eleven O | |
new O | |
, O | |
revertible O | |
GBT O | |
alleles O | |
of O | |
genes O | |
involved O | |
in O | |
skin O | |
development O | |
. O | |
Eight O | |
genes O | |
-- O | |
fras1 O | |
, O | |
grip1 O | |
, O | |
hmcn1 O | |
, O | |
msxc O | |
, O | |
col4a4 O | |
, O | |
ahnak O | |
, O | |
capn12 O | |
, O | |
and O | |
nrg2a O | |
-- O | |
had O | |
been O | |
described O | |
in O | |
an O | |
integumentary O | |
context O | |
to O | |
varying O | |
degrees O | |
, O | |
while O | |
arhgef25b O | |
, O | |
fkbp10b O | |
, O | |
and O | |
megf6a O | |
emerged O | |
as O | |
novel O | |
skin O | |
genes O | |
. O | |
Embryos O | |
homozygous O | |
for O | |
a O | |
GBT O | |
insertion O | |
within O | |
neuregulin O | |
2a O | |
( O | |
nrg2a O | |
) O | |
revealed O | |
a O | |
novel O | |
requirement O | |
for O | |
a O | |
Neuregulin O | |
2a O | |
( O | |
Nrg2a O | |
)- O | |
ErbB2 O | |
/ O | |
3 O | |
- O | |
AKT O | |
signaling O | |
pathway O | |
governing O | |
the O | |
apicobasal O | |
organization O | |
of O | |
a O | |
subset O | |
of O | |
epidermal O | |
cells O | |
during O | |
median O | |
fin O | |
fold O | |
( O | |
MFF O | |
) O | |
morphogenesis O | |
. O | |
In O | |
nrg2a O | |
mutant O | |
larvae O | |
, O | |
the O | |
basal O | |
keratinocytes O | |
within O | |
the O | |
apical O | |
MFF O | |
, O | |
known O | |
as O | |
ridge O | |
cells O | |
, O | |
displayed O | |
reduced O | |
pAKT O | |
levels O | |
as O | |
well O | |
as O | |
reduced O | |
apical O | |
domains O | |
and O | |
exaggerated O | |
basolateral O | |
domains O | |
. O | |
Those O | |
defects O | |
compromised O | |
proper O | |
ridge O | |
cell O | |
elongation O | |
into O | |
a O | |
flattened O | |
epithelial O | |
morphology O | |
, O | |
resulting O | |
in O | |
thickened O | |
MFF O | |
edges O | |
. O | |
Pharmacological O | |
inhibition O | |
verified O | |
that O | |
Nrg2a O | |
signals O | |
through O | |
the O | |
ErbB O | |
receptor O | |
tyrosine O | |
kinase O | |
network O | |
. O | |
Moreover O | |
, O | |
knockdown O | |
of O | |
the O | |
epithelial O | |
polarity O | |
regulator O | |
and O | |
tumor B | |
suppressor O | |
lgl2 O | |
ameliorated O | |
the O | |
nrg2a O | |
mutant O | |
phenotype O | |
. O | |
Identifying O | |
Lgl2 O | |
as O | |
an O | |
antagonist O | |
of O | |
Nrg2a O | |
- O | |
ErbB O | |
signaling O | |
revealed O | |
a O | |
significantly O | |
earlier O | |
role O | |
for O | |
Lgl2 O | |
during O | |
epidermal O | |
morphogenesis O | |
than O | |
has O | |
been O | |
described O | |
to O | |
date O | |
. O | |
Furthermore O | |
, O | |
our O | |
findings O | |
demonstrated O | |
that O | |
successive O | |
, O | |
coordinated O | |
ridge O | |
cell O | |
shape O | |
changes O | |
drive O | |
apical O | |
MFF O | |
development O | |
, O | |
making O | |
MFF O | |
ridge O | |
cells O | |
a O | |
valuable O | |
model O | |
for O | |
investigating O | |
how O | |
the O | |
coordinated O | |
regulation O | |
of O | |
cell O | |
polarity O | |
and O | |
cell O | |
shape O | |
changes O | |
serves O | |
as O | |
a O | |
crucial O | |
mechanism O | |
of O | |
epithelial O | |
morphogenesis O | |
. O | |
Mutation O | |
analysis O | |
of O | |
CHRNA1 O | |
, O | |
CHRNB1 O | |
, O | |
CHRND O | |
, O | |
and O | |
RAPSN O | |
genes O | |
in O | |
multiple B | |
pterygium I | |
syndrome I | |
/ O | |
fetal B | |
akinesia I | |
patients O | |
. O | |
Multiple B | |
pterygium I | |
syndromes I | |
( O | |
MPS B | |
) O | |
comprise O | |
a O | |
group O | |
of O | |
multiple B | |
congenital I | |
anomaly I | |
disorders I | |
characterized O | |
by O | |
webbing B | |
( O | |
pterygia B | |
) O | |
of O | |
the O | |
neck O | |
, O | |
elbows O | |
, O | |
and O | |
/ O | |
or O | |
knees O | |
and O | |
joint B | |
contractures I | |
( O | |
arthrogryposis B | |
). O | |
MPS B | |
are O | |
phenotypically O | |
and O | |
genetically O | |
heterogeneous O | |
but O | |
are O | |
traditionally O | |
divided O | |
into O | |
prenatally O | |
lethal O | |
and O | |
nonlethal O | |
( O | |
Escobar O | |
) O | |
types O | |
. O | |
Previously O | |
, O | |
we O | |
and O | |
others O | |
reported O | |
that O | |
recessive O | |
mutations O | |
in O | |
the O | |
embryonal O | |
acetylcholine O | |
receptor O | |
g O | |
subunit O | |
( O | |
CHRNG O | |
) O | |
can O | |
cause O | |
both O | |
lethal O | |
and O | |
nonlethal O | |
MPS B | |
, O | |
thus O | |
demonstrating O | |
that O | |
pterygia B | |
resulted O | |
from O | |
fetal O | |
akinesia B | |
. O | |
We O | |
hypothesized O | |
that O | |
mutations O | |
in O | |
acetylcholine O | |
receptor O | |
- O | |
related O | |
genes O | |
might O | |
also O | |
result O | |
in O | |
a O | |
MPS B | |
/ O | |
fetal I | |
akinesia I | |
phenotype O | |
and O | |
so O | |
we O | |
analyzed O | |
15 O | |
cases O | |
of O | |
lethal O | |
MPS B | |
/ O | |
fetal B | |
akinesia I | |
without O | |
CHRNG O | |
mutations O | |
for O | |
mutations O | |
in O | |
the O | |
CHRNA1 O | |
, O | |
CHRNB1 O | |
, O | |
CHRND O | |
, O | |
and O | |
rapsyn O | |
( O | |
RAPSN O | |
) O | |
genes O | |
. O | |
No O | |
CHRNA1 O | |
, O | |
CHRNB1 O | |
, O | |
or O | |
CHRND O | |
mutations O | |
were O | |
detected O | |
, O | |
but O | |
a O | |
homozygous O | |
RAPSN O | |
frameshift O | |
mutation O | |
, O | |
c O | |
. O | |
1177 O | |
- O | |
1178delAA O | |
, O | |
was O | |
identified O | |
in O | |
a O | |
family O | |
with O | |
three O | |
children O | |
affected O | |
with O | |
lethal O | |
fetal O | |
akinesia I | |
sequence I | |
. O | |
Previously O | |
, O | |
RAPSN O | |
mutations O | |
have O | |
been O | |
reported O | |
in O | |
congenital B | |
myasthenia I | |
. O | |
Functional O | |
studies O | |
were O | |
consistent O | |
with O | |
the O | |
hypothesis O | |
that O | |
whereas O | |
incomplete O | |
loss O | |
of O | |
rapsyn O | |
function O | |
may O | |
cause O | |
congenital O | |
myasthenia I | |
, O | |
more O | |
severe O | |
loss O | |
of O | |
function O | |
can O | |
result O | |
in O | |
a O | |
lethal O | |
fetal O | |
akinesia B | |
phenotype O | |
. O | |
Pure O | |
monosomy O | |
and O | |
pure O | |
trisomy O | |
of O | |
13q21 O | |
. O | |
2 O | |
- O | |
31 O | |
. O | |
1 O | |
consequent O | |
to O | |
a O | |
familial O | |
insertional O | |
translocation O | |
: O | |
exclusion O | |
of O | |
PCDH9 O | |
as O | |
the O | |
responsible O | |
gene O | |
for O | |
autosomal B | |
dominant I | |
auditory I | |
neuropathy I | |
( O | |
AUNA1 O | |
). O | |
Insertional O | |
translocations O | |
( O | |
IT O | |
) O | |
are O | |
rare O | |
structural O | |
rearrangements O | |
. O | |
Offspring O | |
of O | |
IT O | |
balanced O | |
carriers O | |
are O | |
at O | |
high O | |
risk O | |
to O | |
have O | |
either O | |
pure O | |
partial O | |
trisomy O | |
or O | |
monosomy O | |
for O | |
the O | |
inserted O | |
segment O | |
as O | |
manifested O | |
by O | |
pure O | |
phenotypes O | |
. O | |
We O | |
describe O | |
an O | |
IT B | |
between O | |
chromosomes O | |
3 O | |
and O | |
13 O | |
segregating O | |
in O | |
a O | |
three O | |
- O | |
generation O | |
pedigree O | |
. O | |
Short O | |
tandem O | |
repeat O | |
( O | |
STR O | |
) O | |
segregation O | |
analysis O | |
and O | |
array O | |
- O | |
comparative O | |
genomic O | |
hybridization O | |
were O | |
used O | |
to O | |
define O | |
the O | |
IT O | |
as O | |
a O | |
25 O | |
. O | |
1 O | |
Mb O | |
segment O | |
spanning O | |
13q21 O | |
. O | |
2 O | |
- O | |
q31 O | |
. O | |
1 O | |
. O | |
The O | |
phenotype O | |
of O | |
pure O | |
monosomy O | |
included O | |
deafness B | |
, O | |
duodenal B | |
stenosis I | |
, O | |
developmental B | |
and I | |
growth I | |
delay I | |
, O | |
vertebral B | |
anomalies I | |
, O | |
and O | |
facial B | |
dysmorphisms I | |
; O | |
the O | |
trisomy O | |
was O | |
manifested O | |
by O | |
only O | |
minor O | |
dysmorphisms O | |
. O | |
As O | |
the O | |
AUNA1 O | |
deafness B | |
locus O | |
on O | |
13q14 O | |
- O | |
21 O | |
overlaps O | |
the O | |
IT O | |
in O | |
the O | |
PCDH9 O | |
( O | |
protocadherin O | |
- O | |
9 O | |
) O | |
gene O | |
region O | |
, O | |
PCDH9 O | |
was O | |
investigated O | |
as O | |
a O | |
candidate O | |
gene O | |
for O | |
deafness B | |
in O | |
both O | |
families O | |
. O | |
Genotyping O | |
of O | |
STRs O | |
and O | |
single O | |
nucleotide O | |
polymorphisms O | |
defined O | |
the O | |
AUNA1 O | |
breakpoint O | |
as O | |
35 O | |
kb O | |
5 O | |
' O | |
to O | |
PCDH9 O | |
, O | |
with O | |
a O | |
2 O | |
. O | |
4 O | |
Mb O | |
area O | |
of O | |
overlap O | |
with O | |
the O | |
IT O | |
. O | |
DNA O | |
sequencing O | |
of O | |
coding O | |
regions O | |
in O | |
the O | |
AUNA1 O | |
family O | |
and O | |
in O | |
the O | |
retained O | |
homologue O | |
chromosome O | |
in O | |
the O | |
monosomic O | |
patient O | |
revealed O | |
no O | |
mutations O | |
. O | |
We O | |
conclude O | |
that O | |
AUNA1 O | |
deafness B | |
does O | |
not O | |
share O | |
a O | |
common O | |
etiology O | |
with O | |
deafness B | |
associated O | |
with O | |
monosomy O | |
13q21 O | |
. O | |
2 O | |
- O | |
q31 O | |
. O | |
3 O | |
; O | |
deafness B | |
may O | |
result O | |
from O | |
monosomy O | |
of O | |
PCHD9 O | |
or O | |
another O | |
gene O | |
in O | |
the O | |
IT O | |
, O | |
as O | |
has O | |
been O | |
demonstrated O | |
in O | |
contiguous O | |
gene O | |
deletion O | |
syndromes O | |
. O | |
Precise O | |
characterization O | |
of O | |
the O | |
breakpoints O | |
of O | |
the O | |
translocated O | |
region O | |
is O | |
useful O | |
to O | |
identify O | |
which O | |
genes O | |
may O | |
be O | |
contributing O | |
to O | |
the O | |
phenotype O | |
, O | |
either O | |
through O | |
haploinsufficiency O | |
or O | |
extra O | |
dosage O | |
effects O | |
, O | |
in O | |
order O | |
to O | |
define O | |
genotype O | |
- O | |
phenotype O | |
correlations O | |
. O | |
A O | |
Taiwanese O | |
boy O | |
with O | |
congenital B | |
generalized I | |
lipodystrophy I | |
caused O | |
by O | |
homozygous O | |
Ile262fs O | |
mutation O | |
in O | |
the O | |
BSCL2 O | |
gene O | |
. O | |
Congenital B | |
generalized I | |
lipodystrophy I | |
( O | |
CGL B | |
) O | |
is O | |
a O | |
rare O | |
autosomal B | |
recessive I | |
disease I | |
that O | |
is O | |
characterized O | |
by O | |
a O | |
near O | |
- O | |
complete O | |
absence O | |
of O | |
adipose O | |
tissue O | |
from O | |
birth O | |
or O | |
early O | |
infancy O | |
. O | |
Mutations O | |
in O | |
the O | |
BSCL2 O | |
gene O | |
are O | |
known O | |
to O | |
result O | |
in O | |
CGL2 O | |
, O | |
a O | |
more O | |
severe O | |
phenotype O | |
than O | |
CGL1 O | |
, O | |
with O | |
earlier O | |
onset O | |
, O | |
more O | |
extensive O | |
fat B | |
loss I | |
and O | |
biochemical O | |
changes O | |
, O | |
more O | |
severe O | |
intellectual B | |
impairment I | |
, O | |
and O | |
more O | |
severe O | |
cardiomyopathy B | |
. O | |
We O | |
report O | |
a O | |
3 O | |
- O | |
month O | |
- O | |
old O | |
Taiwanese O | |
boy O | |
with O | |
initial O | |
presentation O | |
of O | |
a O | |
lack O | |
of O | |
subcutaneous O | |
fat O | |
, O | |
prominent O | |
musculature O | |
, O | |
generalized O | |
eruptive O | |
xanthomas B | |
, O | |
and O | |
extreme O | |
hypertriglyceridemia B | |
. O | |
Absence O | |
of O | |
mechanical O | |
adipose O | |
tissue O | |
in O | |
the O | |
orbits O | |
and O | |
scalp O | |
was O | |
revealed O | |
by O | |
head O | |
magnetic O | |
resonance O | |
imaging O | |
. O | |
Hepatomegaly B | |
was O | |
noticed O | |
, O | |
and O | |
histological O | |
examination O | |
of O | |
a O | |
liver O | |
biopsy O | |
specimen O | |
suggested O | |
severe O | |
hepatic B | |
steatosis I | |
and O | |
periportal B | |
necrosis I | |
. O | |
However O | |
, O | |
echocardiography O | |
indicated O | |
no O | |
sign O | |
of O | |
cardiomyopathy B | |
and O | |
he O | |
showed O | |
no O | |
distinct O | |
intellectual B | |
impairment I | |
that O | |
interfered O | |
with O | |
daily O | |
life O | |
. O | |
About O | |
1 O | |
year O | |
later O | |
, O | |
abdominal O | |
computed O | |
tomography O | |
revealed O | |
enlargement O | |
of O | |
kidneys O | |
. O | |
He O | |
had O | |
a O | |
homozygous O | |
insertion O | |
of O | |
a O | |
nucleotide O | |
, O | |
783insG O | |
( O | |
Ile262fs O | |
mutation O | |
), O | |
in O | |
exon O | |
7 O | |
of O | |
the O | |
BSCL2 O | |
gene O | |
. O | |
We O | |
reviewed O | |
the O | |
genotype O | |
of O | |
CGL B | |
cases O | |
from O | |
Japan O | |
, O | |
India O | |
, O | |
China O | |
and O | |
Taiwan O | |
, O | |
and O | |
found O | |
that O | |
BSCL2 O | |
is O | |
a O | |
major O | |
causative O | |
gene O | |
for O | |
CGL B | |
in O | |
Asian O | |
. O | |
Concordance O | |
between O | |
PIK3CA O | |
mutations O | |
in O | |
endoscopic O | |
biopsy O | |
and O | |
surgically O | |
resected O | |
specimens O | |
of O | |
esophageal B | |
squamous I | |
cell I | |
carcinoma I | |
. O | |
BACKGROUND O | |
: O | |
PIK3CA O | |
mutations O | |
are O | |
expected O | |
to O | |
be O | |
potential O | |
therapeutic O | |
targets O | |
for O | |
esophageal B | |
squamous I | |
cell I | |
carcinoma I | |
( O | |
ESCC B | |
). O | |
We O | |
aimed O | |
to O | |
clarify O | |
the O | |
concordance O | |
between O | |
PIK3CA O | |
mutations O | |
detected O | |
in O | |
endoscopic O | |
biopsy O | |
specimens O | |
and O | |
corresponding O | |
surgically O | |
resected O | |
specimens O | |
. O | |
METHODS O | |
: O | |
We O | |
examined O | |
five O | |
hotspot O | |
mutations O | |
in O | |
the O | |
PIK3CA O | |
gene O | |
( O | |
E542K O | |
, O | |
E545K O | |
, O | |
E546K O | |
, O | |
H1047R O | |
, O | |
and O | |
H1047L O | |
) O | |
in O | |
formalin O | |
- O | |
fixed O | |
and O | |
paraffin O | |
- O | |
embedded O | |
tissue O | |
sections O | |
of O | |
paired O | |
endoscopic O | |
biopsy O | |
and O | |
surgically O | |
resected O | |
specimens O | |
from O | |
181 O | |
patients O | |
undergoing O | |
curative O | |
resection O | |
for O | |
ESCC B | |
between O | |
2000 O | |
and O | |
2011 O | |
using O | |
a O | |
Luminex O | |
technology O | |
- O | |
based O | |
multiplex O | |
gene O | |
mutation O | |
detection O | |
kit O | |
. O | |
RESULTS O | |
: O | |
Mutation O | |
analyses O | |
were O | |
successfully O | |
performed O | |
for O | |
both O | |
endoscopic O | |
biopsy O | |
and O | |
surgically O | |
resected O | |
specimens O | |
in O | |
all O | |
the O | |
cases O | |
. O | |
A O | |
PIK3CA O | |
mutation O | |
was O | |
detected O | |
in O | |
either O | |
type O | |
of O | |
specimen O | |
in O | |
13 O | |
cases O | |
( O | |
7 O | |
. O | |
2 O | |
%, O | |
95 O | |
% O | |
confidence O | |
interval O | |
: O | |
3 O | |
. O | |
9 O | |
- O | |
12 O | |
. O | |
0 O | |
). O | |
The O | |
overall O | |
concordance O | |
rate O | |
, O | |
positive O | |
predictive O | |
value O | |
, O | |
and O | |
negative O | |
predictive O | |
value O | |
were O | |
98 O | |
. O | |
3 O | |
% O | |
( O | |
178 O | |
/ O | |
181 O | |
), O | |
90 O | |
. O | |
9 O | |
% O | |
( O | |
10 O | |
/ O | |
11 O | |
), O | |
and O | |
98 O | |
. O | |
8 O | |
% O | |
( O | |
168 O | |
/ O | |
170 O | |
), O | |
respectively O | |
. O | |
Among O | |
patients O | |
with O | |
a O | |
PIK3CA O | |
mutation O | |
detected O | |
in O | |
both O | |
types O | |
of O | |
specimens O | |
, O | |
the O | |
concordance O | |
between O | |
PIK3CA O | |
mutation O | |
genotypes O | |
was O | |
100 O | |
%. O | |
There O | |
were O | |
three O | |
cases O | |
with O | |
a O | |
discordant O | |
mutation O | |
status O | |
between O | |
the O | |
types O | |
of O | |
specimens O | |
( O | |
PIK3CA O | |
mutation O | |
in O | |
surgically O | |
resected O | |
specimen O | |
and O | |
wild O | |
- O | |
type O | |
in O | |
biopsy O | |
specimen O | |
in O | |
two O | |
cases O | |
, O | |
and O | |
the O | |
opposite O | |
pattern O | |
in O | |
one O | |
case O | |
), O | |
suggesting O | |
possible O | |
intratumoral O | |
heterogeneity O | |
in O | |
the O | |
PIK3CA O | |
mutation O | |
status O | |
. O | |
CONCLUSIONS O | |
: O | |
The O | |
PIK3CA O | |
mutation O | |
status O | |
was O | |
highly O | |
concordant O | |
between O | |
endoscopic O | |
biopsy O | |
and O | |
surgically O | |
resected O | |
specimens O | |
from O | |
the O | |
same O | |
patient O | |
, O | |
suggesting O | |
that O | |
endoscopic O | |
biopsy O | |
specimens O | |
can O | |
be O | |
clinically O | |
used O | |
to O | |
detect O | |
PIK3CA O | |
mutations O | |
in O | |
patients O | |
with O | |
ESCC B | |
. O | |
Polymorphisms O | |
of O | |
the O | |
DNA O | |
mismatch O | |
repair O | |
gene O | |
HMSH2 O | |
in O | |
breast B | |
cancer I | |
occurence O | |
and O | |
progression O | |
. O | |
The O | |
response O | |
of O | |
the O | |
cell O | |
to O | |
DNA O | |
damage O | |
and O | |
its O | |
ability O | |
to O | |
maintain O | |
genomic O | |
stability O | |
by O | |
DNA O | |
repair O | |
are O | |
crucial O | |
in O | |
preventing O | |
cancer B | |
initiation O | |
and O | |
progression O | |
. O | |
Therefore O | |
, O | |
polymorphism O | |
of O | |
DNA O | |
repair O | |
genes O | |
may O | |
affect O | |
the O | |
process O | |
of O | |
carcinogenesis B | |
. O | |
The O | |
importance O | |
of O | |
genetic O | |
variability O | |
of O | |
the O | |
components O | |
of O | |
mismatch O | |
repair O | |
( O | |
MMR O | |
) O | |
genes O | |
is O | |
well O | |
documented O | |
in O | |
colorectal B | |
cancer I | |
, O | |
but O | |
little O | |
is O | |
known O | |
about O | |
its O | |
role O | |
in O | |
breast B | |
cancer I | |
. O | |
hMSH2 O | |
is O | |
one O | |
of O | |
the O | |
crucial O | |
proteins O | |
of O | |
MMR O | |
. O | |
We O | |
performed O | |
a O | |
case O | |
- O | |
control O | |
study O | |
to O | |
test O | |
the O | |
association O | |
between O | |
two O | |
polymorphisms O | |
in O | |
the O | |
hMSH2 O | |
gene O | |
: O | |
an O | |
A O | |
--> O | |
G O | |
transition O | |
at O | |
127 O | |
position O | |
producing O | |
an O | |
Asn O | |
--> O | |
Ser O | |
substitution O | |
at O | |
codon O | |
127 O | |
( O | |
the O | |
Asn127Ser O | |
polymorphism O | |
) O | |
and O | |
a O | |
G O | |
--> O | |
A O | |
transition O | |
at O | |
1032 O | |
position O | |
resulting O | |
in O | |
a O | |
Gly O | |
--> O | |
Asp O | |
change O | |
at O | |
codon O | |
322 O | |
( O | |
the O | |
Gly322Asp O | |
polymorphism O | |
) O | |
and O | |
breast B | |
cancer I | |
risk O | |
and O | |
cancer B | |
progression O | |
. O | |
Genotypes O | |
were O | |
determined O | |
in O | |
DNA O | |
from O | |
peripheral O | |
blood O | |
lymphocytes O | |
of O | |
150 O | |
breast B | |
cancer I | |
patients O | |
and O | |
150 O | |
age O | |
- O | |
matched O | |
women O | |
( O | |
controls O | |
) O | |
by O | |
restriction O | |
fragment O | |
length O | |
polymorphism O | |
and O | |
allele O | |
- O | |
specific O | |
PCR O | |
. O | |
We O | |
did O | |
not O | |
observe O | |
any O | |
correlation O | |
between O | |
studied O | |
polymorphisms O | |
and O | |
breast B | |
cancer I | |
progression O | |
evaluated O | |
by O | |
node B | |
- I | |
metastasis I | |
, O | |
tumor B | |
size O | |
and O | |
Bloom O | |
- O | |
Richardson O | |
grading O | |
. O | |
A O | |
strong O | |
association O | |
between O | |
breast B | |
cancer I | |
occurrence O | |
and O | |
the O | |
Gly O | |
/ O | |
Gly O | |
phenotype O | |
of O | |
the O | |
Gly322Asp O | |
polymorphism O | |
( O | |
odds O | |
ratio O | |
8 O | |
. O | |
39 O | |
; O | |
95 O | |
% O | |
confidence O | |
interval O | |
1 O | |
. O | |
44 O | |
- O | |
48 O | |
. O | |
8 O | |
) O | |
was O | |
found O | |
. O | |
Therefore O | |
, O | |
MMR O | |
may O | |
play O | |
a O | |
role O | |
in O | |
the O | |
breast B | |
carcinogenesis I | |
and O | |
the O | |
Gly322Asp O | |
polymorphism O | |
of O | |
the O | |
hMSH2 O | |
gene O | |
may O | |
be O | |
considered O | |
as O | |
a O | |
potential O | |
marker O | |
in O | |
breast B | |
cancer I | |
. O | |
Atorvastatin O | |
prevented O | |
and O | |
reversed O | |
dexamethasone O | |
- O | |
induced O | |
hypertension B | |
in O | |
the O | |
rat O | |
. O | |
To O | |
assess O | |
the O | |
antioxidant O | |
effects O | |
of O | |
atorvastatin O | |
( O | |
atorva O | |
) O | |
on O | |
dexamethasone O | |
( O | |
dex O | |
)- O | |
induced O | |
hypertension B | |
, O | |
60 O | |
male O | |
Sprague O | |
- O | |
Dawley O | |
rats O | |
were O | |
treated O | |
with O | |
atorva O | |
30 O | |
mg O | |
/ O | |
kg O | |
/ O | |
day O | |
or O | |
tap O | |
water O | |
for O | |
15 O | |
days O | |
. O | |
Dex O | |
increased O | |
systolic O | |
blood O | |
pressure O | |
( O | |
SBP O | |
) O | |
from O | |
109 O | |
+/- O | |
1 O | |
. O | |
8 O | |
to O | |
135 O | |
+/- O | |
0 O | |
. O | |
6 O | |
mmHg O | |
and O | |
plasma O | |
superoxide O | |
( O | |
5711 O | |
+/- O | |
284 O | |
. O | |
9 O | |
saline O | |
, O | |
7931 O | |
+/- O | |
392 O | |
. O | |
8 O | |
U O | |
/ O | |
ml O | |
dex O | |
, O | |
P O | |
< O | |
0 O | |
. O | |
1 O | |
). O | |
In O | |
this O | |
prevention O | |
study O | |
, O | |
SBP O | |
in O | |
the O | |
atorva O | |
+ O | |
dex O | |
group O | |
was O | |
increased O | |
from O | |
115 O | |
+/- O | |
0 O | |
. O | |
4 O | |
to O | |
124 O | |
+/- O | |
1 O | |
. O | |
5 O | |
mmHg O | |
, O | |
but O | |
this O | |
was O | |
significantly O | |
lower O | |
than O | |
in O | |
the O | |
dex O | |
- O | |
only O | |
group O | |
( O | |
P O | |
' O | |
< O | |
0 O | |
. O | |
5 O | |
). O | |
Atorva O | |
reversed O | |
dex O | |
- O | |
induced O | |
hypertension B | |
( O | |
129 O | |
+/- O | |
0 O | |
. O | |
6 O | |
mmHg O | |
, O | |
vs O | |
. O | |
135 O | |
+/- O | |
0 O | |
. O | |
6 O | |
mmHg O | |
P O | |
' O | |
< O | |
0 O | |
. O | |
5 O | |
) O | |
and O | |
decreased O | |
plasma O | |
superoxide O | |
( O | |
7931 O | |
+/- O | |
392 O | |
. O | |
8 O | |
dex O | |
, O | |
1187 O | |
+/- O | |
441 O | |
. O | |
2 O | |
atorva O | |
+ O | |
dex O | |
, O | |
P O | |
< O | |
0 O | |
. O | |
1 O | |
). O | |
Plasma O | |
nitrate O | |
/ O | |
nitrite O | |
( O | |
NOx O | |
) O | |
was O | |
decreased O | |
in O | |
dex O | |
- O | |
treated O | |
rats O | |
compared O | |
to O | |
saline O | |
- O | |
treated O | |
rats O | |
( O | |
11 O | |
. O | |
2 O | |
+/- O | |
1 O | |
. O | |
8 O | |
microm O | |
, O | |
15 O | |
. O | |
3 O | |
+/- O | |
1 O | |
. O | |
17 O | |
microm O | |
, O | |
respectively O | |
, O | |
P O | |
< O | |
0 O | |
. O | |
5 O | |
). O | |
Atorva O | |
affected O | |
neither O | |
plasma O | |
NOx O | |
nor O | |
thymus O | |
weight O | |
. O | |
Thus O | |
, O | |
atorvastatin O | |
prevented O | |
and O | |
reversed O | |
dexamethasone O | |
- O | |
induced O | |
hypertension B | |
in O | |
the O | |
rat O | |
. O | |
Gene O | |
polymorphisms O | |
implicated O | |
in O | |
influencing O | |
susceptibility O | |
to O | |
venous B | |
and I | |
arterial I | |
thromboembolism I | |
: O | |
frequency O | |
distribution O | |
in O | |
a O | |
healthy O | |
German O | |
population O | |
. O | |
Evolvement O | |
and O | |
progression O | |
of O | |
cardiovascular B | |
diseases I | |
affecting O | |
the O | |
venous O | |
and O | |
arterial O | |
system O | |
are O | |
influenced O | |
by O | |
a O | |
multitude O | |
of O | |
environmental O | |
and O | |
hereditary O | |
factors O | |
. O | |
Many O | |
of O | |
these O | |
hereditary O | |
factors O | |
consist O | |
of O | |
defined O | |
gene O | |
polymorphisms O | |
, O | |
such O | |
as O | |
single O | |
nucleotide O | |
polymorphisms O | |
( O | |
SNPs O | |
) O | |
or O | |
insertion O | |
- O | |
deletion O | |
polymorphisms O | |
, O | |
which O | |
directly O | |
or O | |
indirectly O | |
affect O | |
the O | |
hemostatic O | |
system O | |
. O | |
The O | |
frequencies O | |
of O | |
individual O | |
hemostatic O | |
gene O | |
polymorphisms O | |
in O | |
different O | |
normal O | |
populations O | |
are O | |
well O | |
defined O | |
. O | |
However O | |
, O | |
descriptions O | |
of O | |
patterns O | |
of O | |
genetic O | |
variability O | |
of O | |
a O | |
larger O | |
extent O | |
of O | |
different O | |
factors O | |
of O | |
hereditary O | |
hypercoagulability I | |
in O | |
single O | |
populations O | |
are O | |
scarce O | |
. O | |
The O | |
aim O | |
of O | |
this O | |
study O | |
was O | |
i O | |
) O | |
to O | |
give O | |
a O | |
detailed O | |
description O | |
of O | |
the O | |
frequencies O | |
of O | |
factors O | |
of O | |
hereditary B | |
thrombophilia I | |
and O | |
their O | |
combinations O | |
in O | |
a O | |
German O | |
population O | |
( O | |
n O | |
= O | |
282 O | |
) O | |
and O | |
ii O | |
) O | |
to O | |
compare O | |
their O | |
distributions O | |
with O | |
those O | |
reported O | |
for O | |
other O | |
regions O | |
. O | |
Variants O | |
of O | |
coagulation O | |
factors O | |
[ O | |
factor O | |
V O | |
1691G O | |
> O | |
A O | |
( O | |
factor O | |
V O | |
Leiden O | |
), O | |
factor O | |
V O | |
4070A O | |
> O | |
G O | |
( O | |
factor O | |
V O | |
HR2 O | |
haplotype O | |
), O | |
factor O | |
VII O | |
Arg353Gln O | |
, O | |
factor O | |
XIII O | |
Val34Leu O | |
, O | |
beta O | |
- O | |
fibrinogen O | |
- O | |
455G O | |
> O | |
A O | |
, O | |
prothrombin O | |
20210G O | |
> O | |
A O | |
], O | |
coagulation O | |
inhibitors O | |
[ O | |
tissue O | |
factor O | |
pathway O | |
inhibitor O | |
536C O | |
> O | |
T O | |
, O | |
thrombomodulin O | |
127G O | |
> O | |
A O | |
], O | |
fibrinolytic O | |
factors O | |
[ O | |
angiotensin O | |
converting O | |
enzyme O | |
intron O | |
16 O | |
insertion O | |
/ O | |
deletion O | |
, O | |
factor O | |
VII O | |
- O | |
activating O | |
protease O | |
1601G O | |
> O | |
A O | |
( O | |
FSAP O | |
Marburg O | |
I O | |
), O | |
plasminogen O | |
activator O | |
inhibitor O | |
1 O | |
- O | |
675 O | |
insertion O | |
/ O | |
deletion O | |
( O | |
5G O | |
/ O | |
4G O | |
), O | |
tissue O | |
plasminogen O | |
activator O | |
intron O | |
h O | |
deletion O | |
/ O | |
insertion O | |
], O | |
and O | |
other O | |
factors O | |
implicated O | |
in O | |
influencing O | |
susceptibility O | |
to O | |
thromboembolic B | |
diseases I | |
[ O | |
apolipoprotein O | |
E2 O | |
/ O | |
E3 O | |
/ O | |
E4 O | |
, O | |
glycoprotein O | |
Ia O | |
807C O | |
> O | |
T O | |
, O | |
methylenetetrahydrofolate O | |
reductase O | |
677C O | |
> O | |
T O | |
] O | |
were O | |
included O | |
. O | |
The O | |
distribution O | |
of O | |
glycoprotein O | |
Ia O | |
807C O | |
> O | |
T O | |
deviated O | |
significantly O | |
from O | |
the O | |
Hardy O | |
- O | |
Weinberg O | |
equilibrium O | |
, O | |
and O | |
a O | |
comparison O | |
with O | |
previously O | |
published O | |
data O | |
indicates O | |
marked O | |
region O | |
and O | |
ethnicity O | |
dependent O | |
differences O | |
in O | |
the O | |
genotype O | |
distributions O | |
of O | |
some O | |
other O | |
factors O | |
. O | |
Necrotising B | |
fasciitis I | |
after O | |
bortezomib O | |
and O | |
dexamethasone O | |
- O | |
containing O | |
regimen O | |
in O | |
an O | |
elderly O | |
patient O | |
of O | |
Waldenstrom B | |
macroglobulinaemia I | |
. O | |
Bortezomib O | |
and O | |
high O | |
- O | |
dose O | |
dexamethasone O | |
- O | |
containing O | |
regimens O | |
are O | |
considered O | |
to O | |
be O | |
generally O | |
tolerable O | |
with O | |
few O | |
severe O | |
bacterial B | |
infections I | |
in O | |
patients O | |
with O | |
B B | |
- I | |
cell I | |
malignancies I | |
. O | |
However O | |
, O | |
information O | |
is O | |
limited O | |
concerning O | |
the O | |
safety O | |
of O | |
the O | |
regimen O | |
in O | |
elderly O | |
patients O | |
. O | |
We O | |
report O | |
a O | |
case O | |
of O | |
a O | |
76 O | |
- O | |
year O | |
- O | |
old O | |
man O | |
with O | |
Waldenstrom B | |
macroglobulinaemia I | |
who O | |
suffered O | |
necrotising B | |
fasciitis I | |
without O | |
neutropenia B | |
after O | |
the O | |
combination O | |
treatment O | |
with O | |
bortezomib O | |
, O | |
high O | |
- O | |
dose O | |
dexamethasone O | |
and O | |
rituximab O | |
. O | |
Despite O | |
immediate O | |
intravenous O | |
antimicrobial O | |
therapy O | |
, O | |
he O | |
succumbed O | |
23 O | |
h O | |
after O | |
the O | |
onset O | |
. O | |
Physicians O | |
should O | |
recognise O | |
the O | |
possibility O | |
of O | |
fatal O | |
bacterial B | |
infections I | |
related O | |
to O | |
bortezomib O | |
plus O | |
high O | |
- O | |
dose O | |
dexamethasone O | |
in O | |
elderly O | |
patients O | |
, O | |
and O | |
we O | |
believe O | |
this O | |
case O | |
warrants O | |
further O | |
investigation O | |
. O | |
rTMS O | |
of O | |
supplementary O | |
motor O | |
area O | |
modulates O | |
therapy O | |
- O | |
induced O | |
dyskinesias B | |
in O | |
Parkinson B | |
disease I | |
. O | |
The O | |
neural O | |
mechanisms O | |
and O | |
circuitry O | |
involved O | |
in O | |
levodopa O | |
- O | |
induced O | |
dyskinesia B | |
are O | |
unclear O | |
. O | |
Using O | |
repetitive O | |
transcranial O | |
magnetic O | |
stimulation O | |
( O | |
rTMS O | |
) O | |
over O | |
the O | |
supplementary O | |
motor O | |
area O | |
( O | |
SMA O | |
) O | |
in O | |
a O | |
group O | |
of O | |
patients O | |
with O | |
advanced O | |
Parkinson B | |
disease I | |
, O | |
the O | |
authors O | |
investigated O | |
whether O | |
modulation O | |
of O | |
SMA O | |
excitability O | |
may O | |
result O | |
in O | |
a O | |
modification O | |
of O | |
a O | |
dyskinetic B | |
state O | |
induced O | |
by O | |
continuous O | |
apomorphine O | |
infusion O | |
. O | |
rTMS O | |
at O | |
1 O | |
Hz O | |
was O | |
observed O | |
to O | |
markedly O | |
reduce O | |
drug O | |
- O | |
induced O | |
dyskinesias B | |
, O | |
whereas O | |
5 O | |
- O | |
Hz O | |
rTMS O | |
induced O | |
a O | |
slight O | |
but O | |
not O | |
significant O | |
increase O | |
. O | |
Angiotensin O | |
converting O | |
enzyme O | |
gene O | |
polymorphism O | |
in O | |
Turkish O | |
asthmatic B | |
patients O | |
. O | |
Asthma B | |
is O | |
a O | |
chronic O | |
inflammatory B | |
disease I | |
of O | |
the O | |
airways O | |
. O | |
Several O | |
candidate O | |
genes O | |
have O | |
been O | |
identified O | |
with O | |
a O | |
potential O | |
role O | |
in O | |
the O | |
pathogenesis O | |
of O | |
asthma B | |
, O | |
including O | |
the O | |
angiotensin O | |
converting O | |
enzyme O | |
( O | |
ACE O | |
) O | |
gene O | |
. O | |
We O | |
aimed O | |
to O | |
investigate O | |
the O | |
frequency O | |
of O | |
an O | |
ACE O | |
gene O | |
polymorphism O | |
in O | |
Turkish O | |
asthmatic B | |
patients O | |
and O | |
to O | |
determine O | |
its O | |
impact O | |
on O | |
clinical O | |
parameters O | |
and O | |
disease O | |
severity O | |
. O | |
Ninety O | |
- O | |
seven O | |
asthmatic B | |
patients O | |
( O | |
M O | |
/ O | |
F O | |
25 O | |
/ O | |
72 O | |
, O | |
mean O | |
age O | |
39 O | |
+/- O | |
13 O | |
years O | |
) O | |
and O | |
96 O | |
healthy O | |
subjects O | |
( O | |
M O | |
/ O | |
F O | |
26 O | |
/ O | |
70 O | |
, O | |
mean O | |
age O | |
38 O | |
+/- O | |
12 O | |
years O | |
) O | |
were O | |
included O | |
. O | |
At O | |
baseline O | |
, O | |
all O | |
participants O | |
completed O | |
a O | |
questionnaire O | |
on O | |
demographics O | |
, O | |
symptoms O | |
, O | |
triggering O | |
factors O | |
, O | |
severity O | |
of O | |
asthma B | |
, O | |
and O | |
the O | |
presence O | |
of O | |
atopism O | |
. O | |
Blood O | |
samples O | |
were O | |
obtained O | |
from O | |
all O | |
patients O | |
and O | |
genomic O | |
DNA O | |
was O | |
isolated O | |
. O | |
The O | |
frequency O | |
of O | |
the O | |
ACE O | |
genotypes O | |
( O | |
I O | |
= O | |
insertion O | |
and O | |
D O | |
= O | |
deletion O | |
) O | |
among O | |
asthmatics B | |
and O | |
controls O | |
were O | |
compared O | |
: O | |
asthmatics B | |
showed O | |
a O | |
40 O | |
. O | |
2 O | |
% O | |
prevalence O | |
of O | |
the O | |
DD O | |
genotype O | |
( O | |
n O | |
= O | |
39 O | |
), O | |
ID O | |
was O | |
45 O | |
. O | |
4 O | |
% O | |
( O | |
n O | |
= O | |
44 O | |
), O | |
and O | |
II O | |
was O | |
14 O | |
. O | |
4 O | |
% O | |
( O | |
n O | |
= O | |
14 O | |
. O | |
4 O | |
). O | |
In O | |
the O | |
control O | |
subjects O | |
, O | |
the O | |
frequency O | |
of O | |
DD B | |
was O | |
18 O | |
. O | |
8 O | |
% O | |
( O | |
n O | |
= O | |
18 O | |
), O | |
ID B | |
was O | |
50 O | |
% O | |
( O | |
n O | |
= O | |
48 O | |
) O | |
and O | |
II O | |
was O | |
31 O | |
. O | |
3 O | |
% O | |
( O | |
n O | |
= O | |
30 O | |
). O | |
The O | |
DD O | |
ACE O | |
genotype O | |
was O | |
significantly O | |
more O | |
frequent O | |
in O | |
asthmatics B | |
compared O | |
with O | |
controls O | |
( O | |
p O | |
< O | |
0 O | |
. O | |
1 O | |
). O | |
Asthmatics O | |
with O | |
the O | |
ID O | |
ACE O | |
genotype O | |
showed O | |
a O | |
higher O | |
frequency O | |
of O | |
drug B | |
allergies I | |
, O | |
although O | |
this O | |
was O | |
not O | |
statistically O | |
significant O | |
( O | |
p O | |
= O | |
0 O | |
. O | |
8 O | |
). O | |
Asthmatics O | |
with O | |
the O | |
DD O | |
genotype O | |
appeared O | |
to O | |
have O | |
a O | |
higher O | |
incidence O | |
of O | |
asthmatic B | |
episode O | |
exacerbations O | |
due O | |
to O | |
viral B | |
infections I | |
, O | |
but O | |
again O | |
this O | |
was O | |
not O | |
statistically O | |
significant O | |
( O | |
p O | |
= O | |
0 O | |
. O | |
8 O | |
). O | |
Patients O | |
with O | |
mild O | |
or O | |
moderate O | |
- O | |
severe O | |
asthma B | |
had O | |
similar O | |
frequencies O | |
of O | |
these O | |
mutations O | |
. O | |
We O | |
found O | |
a O | |
higher O | |
frequency O | |
of O | |
the O | |
ACE O | |
DD O | |
gene O | |
mutation O | |
in O | |
Turkish O | |
asthmatic B | |
patients O | |
compared O | |
with O | |
non O | |
- O | |
asthmatics B | |
, O | |
suggesting O | |
that O | |
this O | |
ACE O | |
gene O | |
polymorphism O | |
may O | |
be O | |
a O | |
risk O | |
factor O | |
for O | |
asthma B | |
but O | |
does O | |
not O | |
increase O | |
the O | |
severity O | |
of O | |
the O | |
disease O | |
. O | |
The O | |
impact O | |
of O | |
PPARa O | |
activation O | |
on O | |
whole O | |
genome O | |
gene O | |
expression O | |
in O | |
human O | |
precision O | |
cut O | |
liver O | |
slices O | |
. O | |
BACKGROUND O | |
: O | |
Studies O | |
in O | |
mice O | |
have O | |
shown O | |
that O | |
PPARa O | |
is O | |
an O | |
important O | |
regulator O | |
of O | |
lipid O | |
metabolism O | |
in O | |
liver O | |
and O | |
key O | |
transcription O | |
factor O | |
involved O | |
in O | |
the O | |
adaptive O | |
response O | |
to O | |
fasting O | |
. O | |
However O | |
, O | |
much O | |
less O | |
is O | |
known O | |
about O | |
the O | |
role O | |
of O | |
PPARa O | |
in O | |
human O | |
liver O | |
. O | |
METHODS O | |
: O | |
Here O | |
we O | |
set O | |
out O | |
to O | |
study O | |
the O | |
function O | |
of O | |
PPARa O | |
in O | |
human O | |
liver O | |
via O | |
analysis O | |
of O | |
whole O | |
genome O | |
gene O | |
regulation O | |
in O | |
human O | |
liver O | |
slices O | |
treated O | |
with O | |
the O | |
PPARa O | |
agonist O | |
Wy14643 O | |
. O | |
RESULTS O | |
: O | |
Quantitative O | |
PCR O | |
indicated O | |
that O | |
PPARa O | |
is O | |
well O | |
expressed O | |
in O | |
human O | |
liver O | |
and O | |
human O | |
liver O | |
slices O | |
and O | |
that O | |
the O | |
classical O | |
PPARa O | |
targets O | |
PLIN2 O | |
, O | |
VLDLR O | |
, O | |
ANGPTL4 O | |
, O | |
CPT1A O | |
and O | |
PDK4 O | |
are O | |
robustly O | |
induced O | |
by O | |
PPARa O | |
activation O | |
. O | |
Transcriptomics O | |
analysis O | |
indicated O | |
that O | |
617 O | |
genes O | |
were O | |
upregulated O | |
and O | |
665 O | |
genes O | |
were O | |
downregulated O | |
by O | |
PPARa O | |
activation O | |
( O | |
q O | |
value O | |
< O | |
0 O | |
. O | |
5 O | |
). O | |
Many O | |
genes O | |
induced O | |
by O | |
PPARa O | |
activation O | |
were O | |
involved O | |
in O | |
lipid O | |
metabolism O | |
( O | |
ACSL5 O | |
, O | |
AGPAT9 O | |
, O | |
FADS1 O | |
, O | |
SLC27A4 O | |
), O | |
xenobiotic O | |
metabolism O | |
( O | |
POR O | |
, O | |
ABCC2 O | |
, O | |
CYP3A5 O | |
) O | |
or O | |
the O | |
unfolded O | |
protein O | |
response O | |
, O | |
whereas O | |
most O | |
of O | |
the O | |
downregulated O | |
genes O | |
were O | |
involved O | |
in O | |
immune O | |
- O | |
related O | |
pathways O | |
. O | |
Among O | |
the O | |
most O | |
highly O | |
repressed O | |
genes O | |
upon O | |
PPARa O | |
activation O | |
were O | |
several O | |
chemokines O | |
( O | |
e O | |
. O | |
g O | |
. O | |
CXCL9 O | |
- O | |
11 O | |
, O | |
CCL8 O | |
, O | |
CX3CL1 O | |
, O | |
CXCL6 O | |
), O | |
interferon O | |
g O | |
- O | |
induced O | |
genes O | |
( O | |
e O | |
. O | |
g O | |
. O | |
IFITM1 O | |
, O | |
IFIT1 O | |
, O | |
IFIT2 O | |
, O | |
IFIT3 O | |
) O | |
and O | |
numerous O | |
other O | |
immune O | |
- O | |
related O | |
genes O | |
( O | |
e O | |
. O | |
g O | |
. O | |
TLR3 O | |
, O | |
NOS2 O | |
, O | |
and O | |
LCN2 O | |
). O | |
Comparative O | |
analysis O | |
of O | |
gene O | |
regulation O | |
by O | |
Wy14643 O | |
between O | |
human O | |
liver O | |
slices O | |
and O | |
primary O | |
human O | |
hepatocytes O | |
showed O | |
that O | |
down O | |
- O | |
regulation O | |
of O | |
gene O | |
expression O | |
by O | |
PPARa O | |
is O | |
much O | |
better O | |
captured O | |
by O | |
liver O | |
slices O | |
as O | |
compared O | |
to O | |
primary O | |
hepatocytes O | |
. O | |
In O | |
particular O | |
, O | |
PPARa O | |
activation O | |
markedly O | |
suppressed O | |
immunity O | |
/ O | |
inflammation B | |
- O | |
related O | |
genes O | |
in O | |
human O | |
liver O | |
slices O | |
but O | |
not O | |
in O | |
primary O | |
hepatocytes O | |
. O | |
Finally O | |
, O | |
several O | |
putative O | |
new O | |
target O | |
genes O | |
of O | |
PPARa O | |
were O | |
identified O | |
that O | |
were O | |
commonly O | |
induced O | |
by O | |
PPARa O | |
activation O | |
in O | |
the O | |
two O | |
human O | |
liver O | |
model O | |
systems O | |
, O | |
including O | |
TSKU O | |
, O | |
RHOF O | |
, O | |
CA12 O | |
and O | |
VSIG10L O | |
. O | |
CONCLUSION O | |
: O | |
Our O | |
paper O | |
demonstrates O | |
the O | |
suitability O | |
and O | |
superiority O | |
of O | |
human O | |
liver O | |
slices O | |
over O | |
primary O | |
hepatocytes O | |
for O | |
studying O | |
the O | |
functional O | |
role O | |
of O | |
PPARa O | |
in O | |
human O | |
liver O | |
. O | |
Our O | |
data O | |
underscore O | |
the O | |
major O | |
role O | |
of O | |
PPARa O | |
in O | |
regulation O | |
of O | |
hepatic O | |
lipid O | |
and O | |
xenobiotic O | |
metabolism O | |
in O | |
human O | |
liver O | |
and O | |
reveal O | |
a O | |
marked O | |
immuno O | |
- O | |
suppressive O | |
/ O | |
anti O | |
- O | |
inflammatory B | |
effect O | |
of O | |
PPARa O | |
in O | |
human O | |
liver O | |
slices O | |
that O | |
may O | |
be O | |
therapeutically O | |
relevant O | |
for O | |
non B | |
- I | |
alcoholic I | |
fatty I | |
liver I | |
disease I | |
. O | |
Oncogenic O | |
activity O | |
of O | |
amplified O | |
miniature O | |
chromosome O | |
maintenance O | |
8 O | |
in O | |
human O | |
malignancies B | |
. O | |
Miniature O | |
chromosome O | |
maintenance O | |
( O | |
MCM O | |
) O | |
proteins O | |
play O | |
critical O | |
roles O | |
in O | |
DNA O | |
replication O | |
licensing O | |
, O | |
initiation O | |
and O | |
elongation O | |
. O | |
MCM8 O | |
, O | |
one O | |
of O | |
the O | |
MCM O | |
proteins O | |
playing O | |
a O | |
critical O | |
role O | |
in O | |
DNA O | |
repairing O | |
and O | |
recombination O | |
, O | |
was O | |
found O | |
to O | |
have O | |
overexpression O | |
and O | |
increased O | |
DNA O | |
copy O | |
number O | |
in O | |
a O | |
variety O | |
of O | |
human O | |
malignancies B | |
. O | |
The O | |
gain O | |
of O | |
MCM8 O | |
is O | |
associated O | |
with O | |
aggressive O | |
clinical O | |
features O | |
of O | |
several O | |
human O | |
cancers B | |
. O | |
Increased O | |
expression O | |
of O | |
MCM8 O | |
in O | |
prostate B | |
cancer I | |
is O | |
associated O | |
with O | |
cancer B | |
recurrence O | |
. O | |
Forced O | |
expression O | |
of O | |
MCM8 O | |
in O | |
RWPE1 O | |
cells O | |
, O | |
the O | |
immortalized O | |
but O | |
non O | |
- O | |
transformed O | |
prostate O | |
epithelial O | |
cell O | |
line O | |
, O | |
exhibited O | |
fast O | |
cell O | |
growth O | |
and O | |
transformation O | |
, O | |
while O | |
knock O | |
down O | |
of O | |
MCM8 O | |
in O | |
PC3 O | |
, O | |
DU145 O | |
and O | |
LNCaP O | |
cells O | |
induced O | |
cell O | |
growth O | |
arrest O | |
, O | |
and O | |
decreased O | |
tumour B | |
volumes O | |
and O | |
mortality O | |
of O | |
severe B | |
combined I | |
immunodeficiency I | |
mice O | |
xenografted O | |
with O | |
PC3 O | |
and O | |
DU145 O | |
cells O | |
. O | |
MCM8 O | |
bound O | |
cyclin O | |
D1 O | |
and O | |
activated O | |
Rb O | |
protein O | |
phosphorylation O | |
by O | |
cyclin O | |
- O | |
dependent O | |
kinase O | |
4 O | |
in O | |
vitro O | |
and O | |
in O | |
vivo O | |
. O | |
The O | |
cyclin O | |
D1 O | |
/ O | |
MCM8 O | |
interaction O | |
is O | |
required O | |
for O | |
Rb O | |
phosphorylation O | |
and O | |
S O | |
- O | |
phase O | |
entry O | |
in O | |
cancer B | |
cells O | |
. O | |
As O | |
a O | |
result O | |
, O | |
our O | |
study O | |
showed O | |
that O | |
copy O | |
number O | |
increase O | |
and O | |
overexpression O | |
of O | |
MCM8 O | |
may O | |
play O | |
critical O | |
roles O | |
in O | |
human O | |
cancer B | |
development O | |
. O | |
Enhanced O | |
isoproterenol O | |
- O | |
induced O | |
cardiac B | |
hypertrophy I | |
in O | |
transgenic O | |
rats O | |
with O | |
low O | |
brain O | |
angiotensinogen O | |
. O | |
We O | |
have O | |
previously O | |
shown O | |
that O | |
a O | |
permanent O | |
deficiency O | |
in O | |
the O | |
brain O | |
renin O | |
- O | |
angiotensin O | |
system O | |
( O | |
RAS O | |
) O | |
may O | |
increase O | |
the O | |
sensitivity O | |
of O | |
the O | |
baroreflex O | |
control O | |
of O | |
heart O | |
rate O | |
. O | |
In O | |
this O | |
study O | |
we O | |
aimed O | |
at O | |
studying O | |
the O | |
involvement O | |
of O | |
the O | |
brain O | |
RAS O | |
in O | |
the O | |
cardiac O | |
reactivity O | |
to O | |
the O | |
beta O | |
- O | |
adrenoceptor O | |
( O | |
beta O | |
- O | |
AR O | |
) O | |
agonist O | |
isoproterenol O | |
( O | |
Iso O | |
). O | |
Transgenic O | |
rats O | |
with O | |
low O | |
brain O | |
angiotensinogen O | |
( O | |
TGR O | |
) O | |
were O | |
used O | |
. O | |
In O | |
isolated O | |
hearts O | |
, O | |
Iso O | |
induced O | |
a O | |
significantly O | |
greater O | |
increase O | |
in O | |
left O | |
ventricular O | |
( O | |
LV O | |
) O | |
pressure O | |
and O | |
maximal O | |
contraction O | |
(+ O | |
dP O | |
/ O | |
dt O | |
( O | |
max O | |
)) O | |
in O | |
the O | |
TGR O | |
than O | |
in O | |
the O | |
Sprague O | |
- O | |
Dawley O | |
( O | |
SD O | |
) O | |
rats O | |
. O | |
LV B | |
hypertrophy I | |
induced O | |
by O | |
Iso O | |
treatment O | |
was O | |
significantly O | |
higher O | |
in O | |
TGR O | |
than O | |
in O | |
SD O | |
rats O | |
( O | |
in O | |
g O | |
LV O | |
wt O | |
/ O | |
100 O | |
g O | |
body O | |
wt O | |
, O | |
0 O | |
. O | |
28 O | |
+/- O | |
0 O | |
. O | |
4 O | |
vs O | |
. O | |
0 O | |
. O | |
24 O | |
+/- O | |
0 O | |
. O | |
4 O | |
, O | |
respectively O | |
). O | |
The O | |
greater O | |
LV B | |
hypertrophy I | |
in O | |
TGR O | |
rats O | |
was O | |
associated O | |
with O | |
more O | |
pronounced O | |
downregulation O | |
of O | |
beta O | |
- O | |
AR O | |
and O | |
upregulation O | |
of O | |
LV O | |
beta O | |
- O | |
AR O | |
kinase O | |
- O | |
1 O | |
mRNA O | |
levels O | |
compared O | |
with O | |
those O | |
in O | |
SD O | |
rats O | |
. O | |
The O | |
decrease O | |
in O | |
the O | |
heart O | |
rate O | |
( O | |
HR O | |
) O | |
induced O | |
by O | |
the O | |
beta O | |
- O | |
AR O | |
antagonist O | |
metoprolol O | |
in O | |
conscious O | |
rats O | |
was O | |
significantly O | |
attenuated O | |
in O | |
TGR O | |
compared O | |
with O | |
SD O | |
rats O | |
(- O | |
9 O | |
. O | |
9 O | |
+/- O | |
1 O | |
. O | |
7 O | |
% O | |
vs O | |
. O | |
- O | |
18 O | |
. O | |
1 O | |
+/- O | |
1 O | |
. O | |
5 O | |
%), O | |
whereas O | |
the O | |
effect O | |
of O | |
parasympathetic O | |
blockade O | |
by O | |
atropine O | |
on O | |
HR O | |
was O | |
similar O | |
in O | |
both O | |
strains O | |
. O | |
These O | |
results O | |
indicate O | |
that O | |
TGR O | |
are O | |
more O | |
sensitive O | |
to O | |
beta O | |
- O | |
AR O | |
agonist O | |
- O | |
induced O | |
cardiac O | |
inotropic O | |
response O | |
and O | |
hypertrophy B | |
, O | |
possibly O | |
due O | |
to O | |
chronically O | |
low O | |
sympathetic O | |
outflow O | |
directed O | |
to O | |
the O | |
heart O | |
. O | |
Intronic O | |
deletions O | |
in O | |
the O | |
SLC34A3 O | |
gene O | |
cause O | |
hereditary O | |
hypophosphatemic B | |
rickets I | |
with I | |
hypercalciuria I | |
. O | |
CONTEXT O | |
: O | |
Hereditary B | |
hypophosphatemic I | |
rickets I | |
with I | |
hypercalciuria I | |
( O | |
HHRH B | |
) O | |
is O | |
a O | |
rare O | |
metabolic B | |
disorder I | |
, O | |
characterized O | |
by O | |
hypophosphatemia B | |
and O | |
rickets B | |
/ O | |
osteomalacia B | |
with O | |
increased O | |
serum O | |
1 O | |
, O | |
25 O | |
- O | |
dihydroxyvitamin O | |
D O | |
[ O | |
1 O | |
, O | |
25 O | |
-( O | |
OH O | |
)( O | |
2 O | |
) O | |
D O | |
] O | |
resulting O | |
in O | |
hypercalciuria B | |
. O | |
OBJECTIVE O | |
: O | |
Our O | |
objective O | |
was O | |
to O | |
determine O | |
whether O | |
mutations O | |
in O | |
the O | |
SLC34A3 O | |
gene O | |
, O | |
which O | |
encodes O | |
sodium O | |
- O | |
phosphate O | |
cotransporter O | |
type O | |
IIc O | |
, O | |
are O | |
responsible O | |
for O | |
the O | |
occurrence O | |
of O | |
HHRH B | |
. O | |
DESIGN O | |
AND O | |
SETTING O | |
: O | |
Mutation O | |
analysis O | |
of O | |
exons O | |
and O | |
adjacent O | |
introns O | |
in O | |
the O | |
SLC34A3 O | |
gene O | |
was O | |
conducted O | |
at O | |
an O | |
academic O | |
research O | |
laboratory O | |
and O | |
medical O | |
center O | |
. O | |
PATIENTS O | |
OR O | |
OTHER O | |
PARTICIPANTS O | |
: O | |
Members O | |
of O | |
two O | |
unrelated O | |
families O | |
with O | |
HHRH B | |
participated O | |
in O | |
the O | |
study O | |
. O | |
RESULTS O | |
: O | |
Two O | |
affected O | |
siblings O | |
in O | |
one O | |
family O | |
were O | |
homozygous O | |
for O | |
a O | |
101 O | |
- O | |
bp O | |
deletion O | |
in O | |
intron O | |
9 O | |
. O | |
Haplotype O | |
analysis O | |
of O | |
the O | |
SLC34A3 O | |
locus O | |
in O | |
the O | |
family O | |
showed O | |
that O | |
the O | |
two O | |
deletions O | |
are O | |
on O | |
different O | |
haplotypes O | |
. O | |
An O | |
unrelated O | |
individual O | |
with O | |
HHRH B | |
was O | |
a O | |
compound O | |
heterozygote O | |
for O | |
an O | |
85 O | |
- O | |
bp O | |
deletion O | |
in O | |
intron O | |
10 O | |
and O | |
a O | |
G O | |
- O | |
to O | |
- O | |
A O | |
substitution O | |
at O | |
the O | |
last O | |
nucleotide O | |
in O | |
exon O | |
7 O | |
. O | |
The O | |
intron O | |
9 O | |
deletion O | |
( O | |
and O | |
likely O | |
the O | |
other O | |
two O | |
mutations O | |
) O | |
identified O | |
in O | |
this O | |
study O | |
causes O | |
aberrant O | |
RNA O | |
splicing O | |
. O | |
Sequence O | |
analysis O | |
of O | |
the O | |
deleted O | |
regions O | |
revealed O | |
the O | |
presence O | |
of O | |
direct O | |
repeats O | |
of O | |
homologous O | |
sequences O | |
. O | |
CONCLUSION O | |
: O | |
HHRH B | |
is O | |
caused O | |
by O | |
biallelic O | |
mutations O | |
in O | |
the O | |
SLC34A3 O | |
gene O | |
. O | |
Haplotype O | |
analysis O | |
suggests O | |
that O | |
the O | |
two O | |
intron O | |
9 O | |
deletions O | |
arose O | |
independently O | |
. O | |
The O | |
identification O | |
of O | |
three O | |
independent O | |
deletions O | |
in O | |
introns O | |
9 O | |
and O | |
10 O | |
suggests O | |
that O | |
the O | |
SLC34A3 O | |
gene O | |
may O | |
be O | |
susceptible O | |
to O | |
unequal O | |
crossing O | |
over O | |
because O | |
of O | |
sequence O | |
misalignment O | |
during O | |
meiosis O | |
. O | |
Vitamin O | |
D O | |
receptor O | |
expression O | |
is O | |
associated O | |
with O | |
PIK3CA O | |
and O | |
KRAS O | |
mutations O | |
in O | |
colorectal B | |
cancer I | |
. O | |
Vitamin O | |
D O | |
is O | |
associated O | |
with O | |
decreased O | |
risks O | |
of O | |
various O | |
cancers B | |
, O | |
including O | |
colon B | |
cancer I | |
. O | |
The O | |
vitamin O | |
D O | |
receptor O | |
( O | |
VDR O | |
) O | |
is O | |
a O | |
transcription O | |
factor O | |
, O | |
which O | |
plays O | |
an O | |
important O | |
role O | |
in O | |
cellular O | |
differentiation O | |
and O | |
inhibition O | |
of O | |
proliferation O | |
. O | |
A O | |
link O | |
between O | |
VDR O | |
and O | |
the O | |
RAS O | |
- O | |
mitogen O | |
- O | |
activated O | |
protein O | |
kinase O | |
( O | |
MAPK O | |
) O | |
or O | |
phosphatidylinositol O | |
3 O | |
- O | |
kinase O | |
( O | |
PI3K O | |
)- O | |
AKT O | |
pathway O | |
has O | |
been O | |
suggested O | |
. O | |
However O | |
, O | |
the O | |
prognostic O | |
role O | |
of O | |
VDR O | |
expression O | |
or O | |
its O | |
relationship O | |
with O | |
PIK3CA O | |
or O | |
KRAS O | |
mutation O | |
remains O | |
uncertain O | |
. O | |
Among O | |
619 O | |
colorectal B | |
cancers I | |
in O | |
two O | |
prospective O | |
cohort O | |
studies O | |
, O | |
233 O | |
( O | |
38 O | |
%) O | |
tumors B | |
showed O | |
VDR O | |
overexpression O | |
by O | |
immunohistochemistry O | |
. O | |
We O | |
analyzed O | |
for O | |
PIK3CA O | |
and O | |
KRAS O | |
mutations O | |
and O | |
LINE O | |
- O | |
1 O | |
methylation O | |
by O | |
Pyrosequencing O | |
, O | |
microsatellite O | |
instability O | |
( O | |
MSI O | |
), O | |
and O | |
DNA O | |
methylation O | |
( O | |
epigenetic O | |
changes O | |
) O | |
in O | |
eight O | |
CpG O | |
island O | |
methylator O | |
phenotype O | |
( O | |
CIMP O | |
)- O | |
specific O | |
promoters O | |
[ O | |
CACNA1G O | |
, O | |
CDKN2A O | |
( O | |
p16 O | |
), O | |
CRABP1 O | |
, O | |
IGF2 O | |
, O | |
MLH1 O | |
, O | |
NEUROG1 O | |
, O | |
RUNX3 O | |
, O | |
and O | |
SOCS1 O | |
] O | |
by O | |
MethyLight O | |
( O | |
real O | |
- O | |
time O | |
PCR O | |
). O | |
VDR O | |
overexpression O | |
was O | |
significantly O | |
associated O | |
with O | |
KRAS O | |
mutation O | |
( O | |
odds O | |
ratio O | |
, O | |
1 O | |
. O | |
55 O | |
; O | |
95 O | |
% O | |
confidence O | |
interval O | |
, O | |
1 O | |
. O | |
11 O | |
- O | |
2 O | |
. O | |
16 O | |
) O | |
and O | |
PIK3CA O | |
mutation O | |
( O | |
odds O | |
ratio O | |
, O | |
2 O | |
. O | |
17 O | |
; O | |
95 O | |
% O | |
confidence O | |
interval O | |
, O | |
1 O | |
. O | |
36 O | |
- O | |
3 O | |
. O | |
47 O | |
), O | |
both O | |
of O | |
which O | |
persisted O | |
in O | |
multivariate O | |
logistic O | |
regression O | |
analysis O | |
. O | |
VDR O | |
was O | |
not O | |
independently O | |
associated O | |
with O | |
body O | |
mass O | |
index O | |
, O | |
family O | |
history O | |
of O | |
colorectal B | |
cancer I | |
, O | |
tumor B | |
location O | |
( O | |
colon O | |
versus O | |
rectum O | |
), O | |
stage O | |
, O | |
tumor B | |
grade O | |
, O | |
signet O | |
ring O | |
cells O | |
, O | |
CIMP O | |
, O | |
MSI O | |
, O | |
LINE O | |
- O | |
1 O | |
hypomethylation O | |
, O | |
BRAF O | |
, O | |
p53 O | |
, O | |
p21 O | |
, O | |
beta O | |
- O | |
catenin O | |
, O | |
or O | |
cyclooxygenase O | |
- O | |
2 O | |
. O | |
VDR O | |
expression O | |
was O | |
not O | |
significantly O | |
related O | |
with O | |
patient O | |
survival O | |
, O | |
prognosis O | |
, O | |
or O | |
clinical O | |
outcome O | |
. O | |
In O | |
conclusion O | |
, O | |
VDR O | |
overexpression O | |
in O | |
colorectal B | |
cancer I | |
is O | |
independently O | |
associated O | |
with O | |
PIK3CA O | |
and O | |
KRAS O | |
mutations O | |
. O | |
Our O | |
data O | |
support O | |
potential O | |
interactions O | |
between O | |
the O | |
VDR O | |
, O | |
RAS O | |
- O | |
MAPK O | |
and O | |
PI3K O | |
- O | |
AKT O | |
pathways O | |
, O | |
and O | |
possible O | |
influence O | |
by O | |
KRAS O | |
or O | |
PIK3CA O | |
mutation O | |
on O | |
therapy O | |
or O | |
chemoprevention O | |
targeting O | |
VDR O | |
. O | |
Cultured O | |
mycelium O | |
Cordyceps O | |
sinensis O | |
protects O | |
liver O | |
sinusoidal O | |
endothelial O | |
cells O | |
in O | |
acute B | |
liver I | |
injured I | |
mice O | |
. O | |
Cultured O | |
mycelium O | |
Cordyceps O | |
sinensis O | |
( O | |
CMCS O | |
) O | |
was O | |
widely O | |
used O | |
for O | |
a O | |
variety O | |
of O | |
diseases O | |
including O | |
liver B | |
injury I | |
, O | |
the O | |
current O | |
study O | |
aims O | |
to O | |
investigate O | |
the O | |
protective O | |
effects O | |
of O | |
CMCS O | |
on O | |
liver O | |
sinusoidal O | |
endothelial O | |
cells O | |
( O | |
LSECs O | |
) O | |
in O | |
acute B | |
injury I | |
liver I | |
and O | |
related O | |
action O | |
mechanisms O | |
. O | |
The O | |
mice O | |
were O | |
injected O | |
intraperitoneally O | |
with O | |
lipopolysaccharide O | |
( O | |
LPS O | |
) O | |
and O | |
D O | |
- O | |
galactosamine O | |
( O | |
D O | |
- O | |
GalN O | |
). O | |
39 O | |
male O | |
BABL O | |
/ O | |
c O | |
mice O | |
were O | |
randomly O | |
divided O | |
into O | |
four O | |
groups O | |
: O | |
normal O | |
control O | |
, O | |
model O | |
control O | |
, O | |
CMCS O | |
treatment O | |
and O | |
1 O | |
, O | |
10 O | |
- O | |
phenanthroline O | |
treatment O | |
groups O | |
. O | |
The O | |
Serum O | |
liver O | |
function O | |
parameters O | |
including O | |
alanine O | |
aminotransferase O | |
( O | |
ALT O | |
) O | |
and O | |
aspartate O | |
aminotransferase O | |
( O | |
AST O | |
) O | |
levels O | |
were O | |
assayed O | |
with O | |
the O | |
commercial O | |
kit O | |
. O | |
The O | |
inflammation B | |
and O | |
scaffold O | |
structure O | |
in O | |
liver O | |
were O | |
stained O | |
with O | |
hematoxylin O | |
and O | |
eosin O | |
and O | |
silver O | |
staining O | |
respectively O | |
. O | |
The O | |
LSECs O | |
and O | |
sub O | |
- O | |
endothelial O | |
basement O | |
membrane O | |
were O | |
observed O | |
with O | |
the O | |
scanning O | |
and O | |
transmission O | |
electronic O | |
microscope O | |
. O | |
The O | |
protein O | |
expressions O | |
of O | |
intercellular O | |
adhesion O | |
molecule O | |
- O | |
1 O | |
( O | |
ICAM O | |
- O | |
1 O | |
) O | |
and O | |
vascular O | |
cell O | |
adhesion O | |
molecule O | |
- O | |
1 O | |
( O | |
VCAM O | |
- O | |
1 O | |
) O | |
in O | |
liver O | |
were O | |
analyzed O | |
with O | |
Western O | |
blotting O | |
. O | |
Expression O | |
of O | |
von O | |
Willebrand O | |
factor O | |
( O | |
vWF O | |
) O | |
was O | |
investigated O | |
with O | |
immunofluorescence O | |
staining O | |
. O | |
The O | |
lipid O | |
peroxidation O | |
indicators O | |
including O | |
antisuperoxideanion O | |
( O | |
ASAFR O | |
), O | |
hydroxyl O | |
free O | |
radical O | |
(. O | |
OH O | |
), O | |
superoxide O | |
dismutase O | |
( O | |
SOD O | |
), O | |
malondialdehyde O | |
and O | |
glutathione O | |
S O | |
- O | |
transferase O | |
( O | |
GST O | |
) O | |
were O | |
determined O | |
with O | |
kits O | |
, O | |
and O | |
matrix O | |
metalloproteinase O | |
- O | |
2 O | |
and O | |
9 O | |
( O | |
MMP O | |
- O | |
2 O | |
/ O | |
9 O | |
) O | |
activities O | |
in O | |
liver O | |
were O | |
analyzed O | |
with O | |
gelatin O | |
zymography O | |
and O | |
in O | |
situ O | |
fluorescent O | |
zymography O | |
respectively O | |
. O | |
The O | |
model O | |
mice O | |
had O | |
much O | |
higher O | |
serum O | |
levels O | |
of O | |
ALT O | |
and O | |
AST O | |
than O | |
the O | |
normal O | |
mice O | |
. O | |
Compared O | |
to O | |
that O | |
in O | |
the O | |
normal O | |
control O | |
, O | |
more O | |
severe O | |
liver B | |
inflammation I | |
and O | |
hepatocyte O | |
apoptosis O | |
, O | |
worse O | |
hepatic O | |
lipid O | |
peroxidation O | |
demonstrated O | |
by O | |
the O | |
increased O | |
ASAFR O | |
, O | |
. O | |
OH O | |
and O | |
MDA O | |
, O | |
but O | |
decreased O | |
SOD O | |
and O | |
GST O | |
, O | |
increased O | |
MMP O | |
- O | |
2 O | |
/ O | |
9 O | |
activities O | |
and O | |
VCAM O | |
- O | |
1 O | |
, O | |
ICAM O | |
- O | |
1 O | |
and O | |
vWF O | |
expressions O | |
, O | |
which O | |
revealed O | |
obvious O | |
LSEC O | |
injury O | |
and O | |
scaffold O | |
structure O | |
broken O | |
, O | |
were O | |
shown O | |
in O | |
the O | |
model O | |
control O | |
. O | |
Compared O | |
with O | |
the O | |
model O | |
group O | |
, O | |
CMCS O | |
and O | |
1 O | |
, O | |
10 O | |
- O | |
phenanthroline O | |
significantly O | |
improved O | |
serum O | |
ALT O | |
/ O | |
AST O | |
, O | |
attenuated O | |
hepatic B | |
inflammation I | |
and O | |
improved O | |
peroxidative O | |
injury O | |
in O | |
liver O | |
, O | |
decreased O | |
MMP O | |
- O | |
2 O | |
/ O | |
9 O | |
activities O | |
in O | |
liver O | |
tissue O | |
, O | |
improved O | |
integration O | |
of O | |
scaffold O | |
structure O | |
, O | |
and O | |
decreased O | |
protein O | |
expression O | |
of O | |
VCAM O | |
- O | |
1 O | |
and O | |
ICAM O | |
- O | |
1 O | |
. O | |
CMCS O | |
could O | |
protect O | |
LSECs O | |
from O | |
injury B | |
and O | |
maintain O | |
the O | |
microvasculature O | |
integration O | |
in O | |
acute B | |
injured I | |
liver I | |
of O | |
mice O | |
induced O | |
by O | |
LPS O | |
/ O | |
D O | |
- O | |
GalN O | |
. O | |
Its O | |
action O | |
mechanism O | |
was O | |
associated O | |
with O | |
the O | |
down O | |
- O | |
regulation O | |
of O | |
MMP O | |
- O | |
2 O | |
/ O | |
9 O | |
activities O | |
and O | |
inhibition O | |
of O | |
peroxidation O | |
in O | |
injured B | |
liver I | |
. O | |
A O | |
Type B | |
2 I | |
Diabetes I | |
- O | |
Associated O | |
Functional O | |
Regulatory O | |
Variant O | |
in O | |
a O | |
Pancreatic O | |
Islet O | |
Enhancer O | |
at O | |
the O | |
ADCY5 O | |
Locus O | |
. O | |
Molecular O | |
mechanisms O | |
remain O | |
unknown O | |
for O | |
most O | |
type B | |
2 I | |
diabetes I | |
genome O | |
- O | |
wide O | |
association O | |
study O | |
identified O | |
loci O | |
. O | |
Variants O | |
associated O | |
with O | |
type B | |
2 I | |
diabetes I | |
and O | |
fasting O | |
glucose O | |
levels O | |
reside O | |
in O | |
introns O | |
of O | |
ADCY5 O | |
, O | |
a O | |
gene O | |
that O | |
encodes O | |
adenylate O | |
cyclase O | |
5 O | |
. O | |
Adenylate O | |
cyclase O | |
5 O | |
catalyzes O | |
the O | |
production O | |
of O | |
cyclic O | |
AMP O | |
, O | |
which O | |
is O | |
a O | |
second O | |
messenger O | |
molecule O | |
involved O | |
in O | |
cell O | |
signaling O | |
and O | |
pancreatic O | |
b O | |
- O | |
cell O | |
insulin O | |
secretion O | |
. O | |
We O | |
demonstrated O | |
that O | |
type B | |
2 I | |
diabetes I | |
risk O | |
alleles O | |
are O | |
associated O | |
with O | |
decreased O | |
ADCY5 O | |
expression O | |
in O | |
human O | |
islets O | |
and O | |
examined O | |
candidate O | |
variants O | |
for O | |
regulatory O | |
function O | |
. O | |
rs11708067 O | |
overlaps O | |
a O | |
predicted O | |
enhancer O | |
region O | |
in O | |
pancreatic O | |
islets O | |
. O | |
The O | |
type B | |
2 I | |
diabetes I | |
risk O | |
rs11708067 O | |
- O | |
A O | |
allele O | |
showed O | |
fewer O | |
H3K27ac O | |
ChIP O | |
- O | |
seq O | |
reads O | |
in O | |
human O | |
islets O | |
, O | |
lower O | |
transcriptional O | |
activity O | |
in O | |
reporter O | |
assays O | |
in O | |
rodent O | |
b O | |
- O | |
cells O | |
( O | |
rat O | |
832 O | |
/ O | |
13 O | |
and O | |
mouse O | |
MIN6 O | |
), O | |
and O | |
increased O | |
nuclear O | |
protein O | |
binding O | |
compared O | |
with O | |
the O | |
rs11708067 O | |
- O | |
G O | |
allele O | |
. O | |
Homozygous O | |
deletion O | |
of O | |
the O | |
orthologous O | |
enhancer O | |
region O | |
in O | |
832 O | |
/ O | |
13 O | |
cells O | |
resulted O | |
in O | |
a O | |
64 O | |
% O | |
reduction O | |
in O | |
expression O | |
level O | |
of O | |
Adcy5 O | |
, O | |
but O | |
not O | |
adjacent O | |
gene O | |
Sec22a O | |
, O | |
and O | |
a O | |
39 O | |
% O | |
reduction O | |
in O | |
insulin O | |
secretion O | |
. O | |
Together O | |
, O | |
these O | |
data O | |
suggest O | |
that O | |
rs11708067 O | |
- O | |
A O | |
risk O | |
allele O | |
contributes O | |
to O | |
type B | |
2 I | |
diabetes I | |
by O | |
disrupting O | |
an O | |
islet O | |
enhancer O | |
, O | |
which O | |
results O | |
in O | |
reduced O | |
ADCY5 O | |
expression O | |
and O | |
impaired O | |
insulin O | |
secretion O | |
. O | |
Homozygously O | |
deleted O | |
gene O | |
DACH1 O | |
regulates O | |
tumor B | |
- O | |
initiating O | |
activity O | |
of O | |
glioma B | |
cells O | |
. O | |
Loss O | |
or O | |
reduction O | |
in O | |
function O | |
of O | |
tumor B | |
suppressor O | |
genes O | |
contributes O | |
to O | |
tumorigenesis B | |
. O | |
Here O | |
, O | |
by O | |
allelic O | |
DNA O | |
copy O | |
number O | |
analysis O | |
using O | |
single O | |
- O | |
nucleotide O | |
polymorphism O | |
genotyping O | |
array O | |
and O | |
mass O | |
spectrometry O | |
, O | |
we O | |
report O | |
homozygous O | |
deletion O | |
in O | |
glioblastoma B | |
multiformes I | |
at O | |
chromosome O | |
13q21 O | |
, O | |
where O | |
DACH1 O | |
gene O | |
is O | |
located O | |
. O | |
We O | |
found O | |
decreased O | |
cell O | |
proliferation O | |
of O | |
a O | |
series O | |
of O | |
glioma B | |
cell O | |
lines O | |
by O | |
forced O | |
expression O | |
of O | |
DACH1 O | |
. O | |
We O | |
then O | |
generated O | |
U87TR O | |
- O | |
Da O | |
glioma B | |
cells O | |
, O | |
where O | |
DACH1 O | |
expression O | |
could O | |
be O | |
activated O | |
by O | |
exposure O | |
of O | |
the O | |
cells O | |
to O | |
doxycycline O | |
. O | |
Both O | |
ex O | |
vivo O | |
cellular O | |
proliferation O | |
and O | |
in O | |
vivo O | |
growth O | |
of O | |
s O | |
. O | |
c O | |
. O | |
transplanted O | |
tumors B | |
in O | |
mice O | |
are O | |
reduced O | |
in O | |
U87TR O | |
- O | |
Da O | |
cells O | |
with O | |
DACH1 O | |
expression O | |
( O | |
U87 O | |
- O | |
DACH1 O | |
- O | |
high O | |
), O | |
compared O | |
with O | |
DACH1 O | |
- O | |
nonexpressing O | |
U87TR O | |
- O | |
Da O | |
cells O | |
( O | |
U87 O | |
- O | |
DACH1 O | |
- O | |
low O | |
). O | |
U87 O | |
- O | |
DACH1 O | |
- O | |
low O | |
cells O | |
form O | |
spheroids O | |
with O | |
CD133 O | |
and O | |
Nestin O | |
expression O | |
in O | |
serum O | |
- O | |
free O | |
medium O | |
but O | |
U87 O | |
- O | |
DACH1 O | |
- O | |
high O | |
cells O | |
do O | |
not O | |
. O | |
Compared O | |
with O | |
spheroid O | |
- O | |
forming O | |
U87 O | |
- O | |
DACH1 O | |
- O | |
low O | |
cells O | |
, O | |
adherent O | |
U87 O | |
- O | |
DACH1 O | |
- O | |
high O | |
cells O | |
display O | |
lower O | |
tumorigenicity O | |
, O | |
indicating O | |
DACH1 O | |
decreases O | |
the O | |
number O | |
of O | |
tumor B | |
- O | |
initiating O | |
cells O | |
. O | |
Gene O | |
expression O | |
analysis O | |
and O | |
chromatin O | |
immunoprecipitation O | |
assay O | |
reveal O | |
that O | |
fibroblast O | |
growth O | |
factor O | |
2 O | |
( O | |
FGF2 O | |
/ O | |
bFGF O | |
) O | |
is O | |
transcriptionally O | |
repressed O | |
by O | |
DACH1 O | |
, O | |
especially O | |
in O | |
cells O | |
cultured O | |
in O | |
serum O | |
- O | |
free O | |
medium O | |
. O | |
Exogenous O | |
bFGF O | |
rescues O | |
spheroid O | |
- O | |
forming O | |
activity O | |
and O | |
tumorigenicity O | |
of O | |
the O | |
U87 O | |
- O | |
DACH1 O | |
- O | |
high O | |
cells O | |
, O | |
suggesting O | |
that O | |
loss O | |
of O | |
DACH1 O | |
increases O | |
the O | |
number O | |
of O | |
tumor B | |
- O | |
initiating O | |
cells O | |
through O | |
transcriptional O | |
activation O | |
of O | |
bFGF O | |
. O | |
These O | |
results O | |
illustrate O | |
that O | |
DACH1 O | |
is O | |
a O | |
distinctive O | |
tumor B | |
suppressor O | |
, O | |
which O | |
does O | |
not O | |
only O | |
suppress O | |
growth O | |
of O | |
tumor B | |
cells O | |
but O | |
also O | |
regulates O | |
bFGF O | |
- O | |
mediated O | |
tumor B | |
- O | |
initiating O | |
activity O | |
of O | |
glioma B | |
cells O | |
. O | |
Definition O | |
and O | |
management O | |
of O | |
anemia B | |
in O | |
patients O | |
infected O | |
with O | |
hepatitis B | |
C I | |
virus O | |
. O | |
Chronic B | |
infection I | |
with O | |
hepatitis O | |
C I | |
virus O | |
( O | |
HCV O | |
) O | |
can O | |
progress O | |
to O | |
cirrhosis B | |
, O | |
hepatocellular B | |
carcinoma I | |
, O | |
and O | |
end B | |
- I | |
stage O | |
liver B | |
disease I | |
. O | |
The O | |
current O | |
best O | |
treatment O | |
for O | |
HCV B | |
infection I | |
is O | |
combination O | |
therapy O | |
with O | |
pegylated O | |
interferon O | |
and O | |
ribavirin O | |
. O | |
Although O | |
this O | |
regimen O | |
produces O | |
sustained O | |
virologic O | |
responses O | |
( O | |
SVRs O | |
) O | |
in O | |
approximately O | |
50 O | |
% O | |
of O | |
patients O | |
, O | |
it O | |
can O | |
be O | |
associated O | |
with O | |
a O | |
potentially O | |
dose O | |
- O | |
limiting O | |
hemolytic B | |
anemia I | |
. O | |
Hemoglobin O | |
concentrations O | |
decrease O | |
mainly O | |
as O | |
a O | |
result O | |
of O | |
ribavirin O | |
- O | |
induced O | |
hemolysis B | |
, O | |
and O | |
this O | |
anemia B | |
can O | |
be O | |
problematic O | |
in O | |
patients O | |
with O | |
HCV B | |
infection I | |
, O | |
especially O | |
those O | |
who O | |
have O | |
comorbid O | |
renal B | |
or I | |
cardiovascular I | |
disorders I | |
. O | |
In O | |
general O | |
, O | |
anemia B | |
can O | |
increase O | |
the O | |
risk O | |
of O | |
morbidity O | |
and O | |
mortality O | |
, O | |
and O | |
may O | |
have O | |
negative O | |
effects O | |
on O | |
cerebral O | |
function O | |
and O | |
quality O | |
of O | |
life O | |
. O | |
Although O | |
ribavirin O | |
- O | |
associated O | |
anemia B | |
can O | |
be O | |
reversed O | |
by O | |
dose O | |
reduction O | |
or O | |
discontinuation O | |
, O | |
this O | |
approach O | |
compromises O | |
outcomes O | |
by O | |
significantly O | |
decreasing O | |
SVR O | |
rates O | |
. O | |
Recombinant O | |
human O | |
erythropoietin O | |
has O | |
been O | |
used O | |
to O | |
manage O | |
ribavirin O | |
- O | |
associated O | |
anemia B | |
but O | |
has O | |
other O | |
potential O | |
disadvantages O | |
. O | |
Viramidine O | |
, O | |
a O | |
liver O | |
- O | |
targeting O | |
prodrug O | |
of O | |
ribavirin O | |
, O | |
has O | |
the O | |
potential O | |
to O | |
maintain O | |
the O | |
virologic O | |
efficacy O | |
of O | |
ribavirin O | |
while O | |
decreasing O | |
the O | |
risk O | |
of O | |
hemolytic B | |
anemia I | |
in O | |
patients O | |
with O | |
chronic O | |
hepatitis B | |
C I | |
. O | |
Association O | |
between O | |
an O | |
endoglin O | |
gene O | |
polymorphism O | |
and O | |
systemic B | |
sclerosis I | |
- O | |
related O | |
pulmonary B | |
arterial I | |
hypertension I | |
. O | |
Systemic B | |
sclerosis I | |
( O | |
SSc B | |
) O | |
is O | |
a O | |
connective B | |
tissue I | |
disorder I | |
characterized O | |
by O | |
early O | |
generalized O | |
microangiopathy B | |
with O | |
disturbed O | |
angiogenesis O | |
. O | |
Endoglin O | |
gene O | |
( O | |
ENG O | |
) O | |
encodes O | |
a O | |
transmembrane O | |
glycoprotein O | |
which O | |
acts O | |
as O | |
an O | |
accessory O | |
receptor O | |
for O | |
the O | |
transforming O | |
growth O | |
factor O | |
- O | |
beta O | |
( O | |
TGF O | |
- O | |
beta O | |
) O | |
superfamily O | |
, O | |
and O | |
is O | |
crucial O | |
for O | |
maintaining O | |
vascular O | |
integrity O | |
. O | |
A O | |
6 O | |
- O | |
base O | |
insertion O | |
in O | |
intron O | |
7 O | |
( O | |
6bINS O | |
) O | |
of O | |
ENG O | |
has O | |
been O | |
reported O | |
to O | |
be O | |
associated O | |
with O | |
microvascular B | |
disturbance I | |
. O | |
OBJECTIVES O | |
: O | |
Our O | |
objective O | |
was O | |
to O | |
investigate O | |
the O | |
relationship O | |
between O | |
6bINS O | |
and O | |
the O | |
vascular O | |
complication I | |
pulmonary B | |
arterial I | |
hypertension I | |
( O | |
PAH B | |
) O | |
in O | |
SSc B | |
in O | |
a O | |
French O | |
Caucasian O | |
population O | |
. O | |
METHODS O | |
: O | |
Two O | |
hundred O | |
eighty O | |
SSc B | |
cases O | |
containing O | |
29 O | |
/ O | |
280 O | |
having O | |
PAH B | |
diagnosed O | |
by O | |
catheterism O | |
were O | |
compared O | |
with O | |
140 O | |
patients O | |
with O | |
osteoarthritis B | |
. O | |
Genotyping O | |
was O | |
performed O | |
by O | |
polymerase O | |
- O | |
chain O | |
- O | |
reaction O | |
- O | |
based O | |
fluorescence O | |
and O | |
direct O | |
sequencing O | |
of O | |
genomic O | |
DNA O | |
. O | |
RESULTS O | |
: O | |
The O | |
polymorphism O | |
was O | |
in O | |
Hardy O | |
- O | |
Weinberg O | |
equilibrium O | |
. O | |
We O | |
observed O | |
a O | |
significant O | |
lower O | |
frequency O | |
of O | |
6bINS O | |
allele O | |
in O | |
SSc B | |
patients O | |
with O | |
associated O | |
PAH B | |
compared O | |
with O | |
controls O | |
[ O | |
10 O | |
. O | |
3 O | |
vs O | |
23 O | |
. O | |
9 O | |
%, O | |
P O | |
= O | |
0 O | |
. O | |
1 O | |
; O | |
odds O | |
ratio O | |
( O | |
OR O | |
) O | |
0 O | |
. O | |
37 O | |
, O | |
95 O | |
% O | |
confidence O | |
interval O | |
( O | |
CI O | |
) O | |
0 O | |
. O | |
15 O | |
- O | |
0 O | |
. O | |
89 O | |
], O | |
and O | |
a O | |
trend O | |
in O | |
comparison O | |
with O | |
SSc B | |
patients O | |
without O | |
PAH B | |
( O | |
10 O | |
. O | |
3 O | |
vs O | |
20 O | |
. O | |
3 O | |
%, O | |
P O | |
= O | |
0 O | |
. O | |
5 O | |
; O | |
OR O | |
: O | |
0 O | |
. O | |
45 O | |
, O | |
95 O | |
% O | |
CI O | |
: O | |
0 O | |
. O | |
19 O | |
- O | |
1 O | |
. O | |
8 O | |
). O | |
Genotypes O | |
carrying O | |
allele O | |
6bINS O | |
were O | |
also O | |
less O | |
frequent O | |
in O | |
SSc B | |
patients O | |
with O | |
PAH B | |
than O | |
in O | |
controls O | |
( O | |
20 O | |
. O | |
7 O | |
vs O | |
42 O | |
. O | |
9 O | |
%, O | |
P O | |
= O | |
0 O | |
. O | |
2 O | |
). O | |
CONCLUSIONS O | |
: O | |
Thus O | |
the O | |
frequency O | |
of O | |
6bINS O | |
differs O | |
between O | |
SSc B | |
patients O | |
with O | |
or O | |
without O | |
PAH B | |
, O | |
suggesting O | |
the O | |
implication O | |
of O | |
ENG O | |
in O | |
this O | |
devastating O | |
vascular O | |
complication I | |
of O | |
SSc B | |
. O | |
Assessment O | |
of O | |
a O | |
new O | |
non O | |
- O | |
invasive O | |
index O | |
of O | |
cardiac O | |
performance O | |
for O | |
detection O | |
of O | |
dobutamine O | |
- O | |
induced O | |
myocardial B | |
ischemia I | |
. O | |
BACKGROUND O | |
: O | |
Electrocardiography O | |
has O | |
a O | |
very O | |
low O | |
sensitivity O | |
in O | |
detecting O | |
dobutamine O | |
- O | |
induced O | |
myocardial B | |
ischemia I | |
. O | |
OBJECTIVES O | |
: O | |
To O | |
assess O | |
the O | |
added O | |
diagnostic O | |
value O | |
of O | |
a O | |
new O | |
cardiac O | |
performance O | |
index O | |
( O | |
dP O | |
/ O | |
dtejc O | |
) O | |
measurement O | |
, O | |
based O | |
on O | |
brachial O | |
artery O | |
flow O | |
changes O | |
, O | |
as O | |
compared O | |
to O | |
standard O | |
12 O | |
- O | |
lead O | |
ECG O | |
, O | |
for O | |
detecting O | |
dobutamine O | |
- O | |
induced O | |
myocardial B | |
ischemia I | |
, O | |
using O | |
Tc99m O | |
- O | |
Sestamibi O | |
single O | |
- O | |
photon O | |
emission O | |
computed O | |
tomography O | |
as O | |
the O | |
gold O | |
standard O | |
of O | |
comparison O | |
to O | |
assess O | |
the O | |
presence O | |
or O | |
absence O | |
of O | |
ischemia B | |
. O | |
METHODS O | |
: O | |
The O | |
study O | |
group O | |
comprised O | |
40 O | |
patients O | |
undergoing O | |
Sestamibi O | |
- O | |
SPECT O | |
/ O | |
dobutamine O | |
stress O | |
test O | |
. O | |
Simultaneous O | |
measurements O | |
of O | |
ECG O | |
and O | |
brachial O | |
artery O | |
dP O | |
/ O | |
dtejc O | |
were O | |
performed O | |
at O | |
each O | |
dobutamine O | |
level O | |
. O | |
In O | |
19 O | |
of O | |
the O | |
40 O | |
patients O | |
perfusion O | |
defects O | |
compatible O | |
with O | |
ischemia B | |
were O | |
detected O | |
on O | |
SPECT O | |
. O | |
The O | |
increase O | |
in O | |
dP O | |
/ O | |
dtejc O | |
during O | |
infusion O | |
of O | |
dobutamine O | |
in O | |
this O | |
group O | |
was O | |
severely O | |
impaired O | |
as O | |
compared O | |
to O | |
the O | |
non O | |
- O | |
ischemic B | |
group O | |
. O | |
dP O | |
/ O | |
dtejc O | |
outcome O | |
was O | |
combined O | |
with O | |
the O | |
ECG O | |
results O | |
, O | |
giving O | |
an O | |
ECG O | |
- O | |
enhanced O | |
value O | |
, O | |
and O | |
compared O | |
to O | |
ECG O | |
alone O | |
. O | |
RESULTS O | |
: O | |
The O | |
sensitivity O | |
improved O | |
dramatically O | |
from O | |
16 O | |
% O | |
to O | |
79 O | |
%, O | |
positive O | |
predictive O | |
value O | |
increased O | |
from O | |
60 O | |
% O | |
to O | |
68 O | |
% O | |
and O | |
negative O | |
predictive O | |
value O | |
from O | |
54 O | |
% O | |
to O | |
78 O | |
%, O | |
and O | |
specificity O | |
decreased O | |
from O | |
90 O | |
% O | |
to O | |
67 O | |
%. O | |
CONCLUSIONS O | |
: O | |
If O | |
ECG O | |
alone O | |
is O | |
used O | |
for O | |
specificity O | |
, O | |
the O | |
combination O | |
with O | |
dP O | |
/ O | |
dtejc O | |
improved O | |
the O | |
sensitivity O | |
of O | |
the O | |
test O | |
and O | |
could O | |
be O | |
a O | |
cost O | |
- O | |
savings O | |
alternative O | |
to O | |
cardiac O | |
imaging O | |
or O | |
perfusion O | |
studies O | |
to O | |
detect O | |
myocardial B | |
ischemia I | |
, O | |
especially O | |
in O | |
patients O | |
unable O | |
to O | |
exercise O | |
. O | |
Effects O | |
of O | |
common O | |
germline O | |
genetic O | |
variation O | |
in O | |
cell O | |
cycle O | |
control O | |
genes O | |
on O | |
breast B | |
cancer I | |
survival O | |
: O | |
results O | |
from O | |
a O | |
population O | |
- O | |
based O | |
cohort O | |
. O | |
INTRODUCTION O | |
: O | |
Somatic O | |
alterations O | |
have O | |
been O | |
shown O | |
to O | |
correlate O | |
with O | |
breast B | |
cancer I | |
prognosis O | |
and O | |
survival O | |
, O | |
but O | |
less O | |
is O | |
known O | |
about O | |
the O | |
effects O | |
of O | |
common O | |
inherited O | |
genetic O | |
variation O | |
. O | |
Of O | |
particular O | |
interest O | |
are O | |
genes O | |
involved O | |
in O | |
cell O | |
cycle O | |
pathways O | |
, O | |
which O | |
regulate O | |
cell O | |
division O | |
. O | |
METHODS O | |
: O | |
We O | |
examined O | |
associations O | |
between O | |
common O | |
germline O | |
genetic O | |
variation O | |
in O | |
13 O | |
genes O | |
involved O | |
in O | |
cell O | |
cycle O | |
control O | |
( O | |
CCND1 O | |
, O | |
CCND2 O | |
, O | |
CCND3 O | |
, O | |
CCNE1 O | |
, O | |
CDK2 O | |
[ O | |
p33 O | |
], O | |
CDK4 O | |
, O | |
CDK6 O | |
, O | |
CDKN1A O | |
[ O | |
p21 O | |
, O | |
Cip1 O | |
], O | |
CDKN1B O | |
[ O | |
p27 O | |
, O | |
Kip1 O | |
], O | |
CDKN2A O | |
[ O | |
p16 O | |
], O | |
CDKN2B O | |
[ O | |
p15 O | |
], O | |
CDKN2C O | |
[ O | |
p18 O | |
], O | |
and O | |
CDKN2D O | |
[ O | |
p19 O | |
]) O | |
and O | |
survival O | |
among O | |
women O | |
diagnosed O | |
with O | |
invasive O | |
breast B | |
cancer I | |
participating O | |
in O | |
the O | |
SEARCH O | |
( O | |
Studies O | |
of O | |
Epidemiology O | |
and O | |
Risk O | |
factors O | |
in O | |
Cancer B | |
Heredity O | |
) O | |
breast B | |
cancer I | |
study O | |
. O | |
DNA O | |
from O | |
up O | |
to O | |
4 O | |
, O | |
470 O | |
women O | |
was O | |
genotyped O | |
for O | |
85 O | |
polymorphisms O | |
that O | |
tag O | |
the O | |
known O | |
common O | |
polymorphisms O | |
( O | |
minor O | |
allele O | |
frequency O | |
> O | |
0 O | |
. O | |
5 O | |
) O | |
in O | |
the O | |
genes O | |
. O | |
The O | |
genotypes O | |
of O | |
each O | |
polymorphism O | |
were O | |
tested O | |
for O | |
association O | |
with O | |
survival O | |
using O | |
Cox O | |
regression O | |
analysis O | |
. O | |
RESULTS O | |
: O | |
The O | |
rare O | |
allele O | |
of O | |
the O | |
tagging O | |
single O | |
nucleotide O | |
polymorphism O | |
( O | |
SNP O | |
) O | |
rs2479717 O | |
is O | |
associated O | |
with O | |
an O | |
increased O | |
risk O | |
of O | |
death B | |
( O | |
hazard O | |
ratio O | |
= O | |
1 O | |
. O | |
26 O | |
per O | |
rare O | |
allele O | |
carried O | |
, O | |
95 O | |
% O | |
confidence O | |
interval O | |
: O | |
1 O | |
. O | |
12 O | |
to O | |
1 O | |
. O | |
42 O | |
; O | |
P O | |
= O | |
0 O | |
. O | |
1 O | |
), O | |
which O | |
was O | |
not O | |
attenuated O | |
after O | |
adjusting O | |
for O | |
tumour B | |
stage O | |
, O | |
grade O | |
, O | |
and O | |
treatment O | |
. O | |
This O | |
SNP O | |
is O | |
part O | |
of O | |
a O | |
large O | |
linkage O | |
disequilibrium O | |
block O | |
, O | |
which O | |
contains O | |
CCND3 O | |
, O | |
BYSL O | |
, O | |
TRFP O | |
, O | |
USP49 O | |
, O | |
C6ofr49 O | |
, O | |
FRS3 O | |
, O | |
and O | |
PGC O | |
. O | |
We O | |
evaluated O | |
the O | |
association O | |
of O | |
survival O | |
and O | |
somatic O | |
expression O | |
of O | |
these O | |
genes O | |
in O | |
breast B | |
tumours I | |
using O | |
expression O | |
microarray O | |
data O | |
from O | |
seven O | |
published O | |
datasets O | |
. O | |
Elevated O | |
expression O | |
of O | |
the O | |
C6orf49 O | |
transcript O | |
was O | |
associated O | |
with O | |
breast B | |
cancer I | |
survival O | |
, O | |
adding O | |
biological O | |
interest O | |
to O | |
the O | |
finding O | |
. O | |
CONCLUSION O | |
: O | |
It O | |
is O | |
possible O | |
that O | |
CCND3 O | |
rs2479717 O | |
, O | |
or O | |
another O | |
variant O | |
it O | |
tags O | |
, O | |
is O | |
associated O | |
with O | |
prognosis O | |
after O | |
a O | |
diagnosis O | |
of O | |
breast B | |
cancer I | |
. O | |
Further O | |
study O | |
is O | |
required O | |
to O | |
validate O | |
this O | |
finding O | |
. O | |
Upregulation O | |
of O | |
centrosomal O | |
protein O | |
55 O | |
is O | |
associated O | |
with O | |
unfavorable O | |
prognosis O | |
and O | |
tumor B | |
invasion O | |
in O | |
epithelial B | |
ovarian I | |
carcinoma I | |
. O | |
Centrosomal O | |
protein O | |
55 O | |
( O | |
CEP55 O | |
) O | |
is O | |
a O | |
cell O | |
cycle O | |
regulator O | |
implicated O | |
in O | |
development O | |
of O | |
certain O | |
cancers B | |
. O | |
However O | |
, O | |
characteristics O | |
of O | |
CEP55 O | |
expression O | |
and O | |
its O | |
clinical O | |
/ O | |
prognostic O | |
significance O | |
are O | |
unclear O | |
in O | |
human O | |
epithelial B | |
ovarian I | |
carcinoma I | |
( O | |
EOC B | |
). O | |
Therefore O | |
, O | |
we O | |
investigated O | |
the O | |
expression O | |
and O | |
clinicopathological O | |
significance O | |
of O | |
CEP55 O | |
in O | |
patients O | |
with O | |
EOC B | |
and O | |
its O | |
role O | |
in O | |
regulating O | |
invasion O | |
and O | |
metastasis B | |
of O | |
ovarian B | |
cell O | |
lines O | |
. O | |
CEP55 O | |
mRNA O | |
and O | |
protein O | |
expression O | |
levels O | |
were O | |
detected O | |
by O | |
quantitative O | |
real O | |
- O | |
time O | |
PCR O | |
( O | |
qRT O | |
- O | |
PCR O | |
), O | |
Western O | |
blotting O | |
, O | |
and O | |
immunohistochemistry O | |
( O | |
IHC O | |
). O | |
Potential O | |
associations O | |
of O | |
CEP55 O | |
expression O | |
scores O | |
with O | |
clinical O | |
parameters O | |
and O | |
patient O | |
survival O | |
were O | |
evaluated O | |
. O | |
CEP55 O | |
function O | |
was O | |
investigated O | |
further O | |
using O | |
RNA O | |
interference O | |
, O | |
wound O | |
healing O | |
assay O | |
, O | |
transwell O | |
assay O | |
, O | |
immunofluorescence O | |
analysis O | |
, O | |
qRT O | |
- O | |
PCR O | |
, O | |
and O | |
Western O | |
blotting O | |
. O | |
CEP55 O | |
was O | |
significantly O | |
upregulated O | |
in O | |
ovarian B | |
cancer I | |
cell O | |
lines O | |
and O | |
lesions O | |
compared O | |
with O | |
normal O | |
cells O | |
and O | |
adjacent O | |
noncancerous O | |
ovarian O | |
tissues O | |
. O | |
In O | |
the O | |
213 O | |
EOC B | |
samples O | |
, O | |
CEP55 O | |
protein O | |
levels O | |
were O | |
positively O | |
correlated O | |
with O | |
clinical O | |
stage O | |
( O | |
P O | |
< O | |
0 O | |
. O | |
1 O | |
), O | |
lymph B | |
node I | |
metastasis I | |
( O | |
P O | |
< O | |
0 O | |
. O | |
1 O | |
), O | |
intraperitoneal O | |
metastasis B | |
( O | |
P O | |
< O | |
0 O | |
. O | |
1 O | |
), O | |
tumor B | |
recurrence O | |
( O | |
P O | |
< O | |
0 O | |
. O | |
1 O | |
), O | |
differentiation O | |
grade O | |
( O | |
P O | |
< O | |
0 O | |
. O | |
1 O | |
), O | |
residual O | |
tumor B | |
size O | |
( O | |
P O | |
< O | |
0 O | |
. O | |
1 O | |
), O | |
ascites O | |
see O | |
tumor B | |
cells O | |
( O | |
P O | |
= O | |
0 O | |
. O | |
20 O | |
), O | |
and O | |
serum O | |
CA153 O | |
level O | |
( O | |
P O | |
< O | |
0 O | |
. O | |
1 O | |
). O | |
Moreover O | |
, O | |
patients O | |
with O | |
aberrant O | |
CEP55 O | |
protein O | |
expression O | |
showed O | |
tendencies O | |
to O | |
receive O | |
neoadjuvant O | |
chemotherapy O | |
( O | |
P O | |
< O | |
0 O | |
. O | |
1 O | |
) O | |
and O | |
cytoreductive O | |
surgery O | |
( O | |
P O | |
= O | |
0 O | |
. O | |
20 O | |
). O | |
By O | |
contrast O | |
, O | |
no O | |
significant O | |
correlation O | |
was O | |
detected O | |
between O | |
the O | |
protein O | |
levels O | |
and O | |
patient O | |
age O | |
, O | |
histological O | |
type O | |
, O | |
or O | |
serum O | |
CA125 O | |
, O | |
CA199 O | |
, O | |
CA724 O | |
, O | |
NSE O | |
, O | |
CEA O | |
, O | |
and O | |
b O | |
- O | |
HCG O | |
levels O | |
. O | |
Patients O | |
with O | |
high O | |
CEP55 O | |
protein O | |
expression O | |
had O | |
shorter O | |
overall O | |
survival O | |
and O | |
disease O | |
- O | |
free O | |
survival O | |
compared O | |
with O | |
those O | |
with O | |
low O | |
CEP55 O | |
expression O | |
. O | |
Multivariate O | |
analysis O | |
implicated O | |
CEP55 O | |
as O | |
an O | |
independent O | |
prognostic O | |
indicator O | |
for O | |
EOC B | |
patients O | |
. O | |
Additionally O | |
, O | |
downregulation O | |
of O | |
CEP55 O | |
in O | |
ovarian B | |
cancer I | |
cells O | |
remarkably O | |
inhibited O | |
cellular O | |
motility O | |
and O | |
invasion O | |
. O | |
Aberrant O | |
CEP55 O | |
expression O | |
may O | |
predict O | |
unfavorable O | |
clinical O | |
outcomes O | |
in O | |
EOC B | |
patients O | |
and O | |
play O | |
an O | |
important O | |
role O | |
in O | |
regulating O | |
invasion O | |
in O | |
ovarian B | |
cancer I | |
cells O | |
. O | |
Thus O | |
, O | |
CEP55 O | |
may O | |
serve O | |
as O | |
a O | |
prognostic O | |
marker O | |
and O | |
therapeutic O | |
target O | |
for O | |
EOC B | |
. O | |
Male O | |
11b O | |
- O | |
HSD1 O | |
Knockout O | |
Mice O | |
Fed O | |
Trans O | |
- O | |
Fats O | |
and O | |
Fructose O | |
Are O | |
Not O | |
Protected O | |
From O | |
Metabolic B | |
Syndrome I | |
or O | |
Nonalcoholic B | |
Fatty I | |
Liver I | |
Disease I | |
. O | |
Nonalcoholic B | |
fatty I | |
liver I | |
disease I | |
( O | |
NAFLD B | |
) O | |
defines O | |
a O | |
spectrum O | |
of O | |
conditions O | |
from O | |
simple O | |
steatosis B | |
to O | |
nonalcoholic B | |
steatohepatitis I | |
( O | |
NASH B | |
) O | |
and O | |
cirrhosis B | |
and O | |
is O | |
regarded O | |
as O | |
the O | |
hepatic O | |
manifestation O | |
of O | |
the O | |
metabolic B | |
syndrome I | |
. O | |
Glucocorticoids O | |
can O | |
promote O | |
steatosis B | |
by O | |
stimulating O | |
lipolysis O | |
within O | |
adipose O | |
tissue O | |
, O | |
free O | |
fatty O | |
acid O | |
delivery O | |
to O | |
liver O | |
and O | |
hepatic O | |
de O | |
novo O | |
lipogenesis O | |
. O | |
Glucocorticoids O | |
can O | |
be O | |
reactivated O | |
in O | |
liver O | |
through O | |
11b O | |
- O | |
hydroxysteroid O | |
dehydrogenase O | |
type O | |
1 O | |
( O | |
11b O | |
- O | |
HSD1 O | |
) O | |
enzyme O | |
activity O | |
. O | |
Inhibition O | |
of O | |
11b O | |
- O | |
HSD1 O | |
has O | |
been O | |
suggested O | |
as O | |
a O | |
potential O | |
treatment O | |
for O | |
NAFLD B | |
. O | |
To O | |
test O | |
this O | |
, O | |
male O | |
mice O | |
with O | |
global O | |
( O | |
11b O | |
- O | |
HSD1 O | |
knockout O | |
[ O | |
KO O | |
]) O | |
and O | |
liver O | |
- O | |
specific O | |
( O | |
LKO O | |
) O | |
11b O | |
- O | |
HSD1 O | |
loss O | |
of O | |
function O | |
were O | |
fed O | |
the O | |
American O | |
Lifestyle O | |
Induced O | |
Obesity B | |
Syndrome I | |
( O | |
ALIOS O | |
) O | |
diet O | |
, O | |
known O | |
to O | |
recapitulate O | |
the O | |
spectrum O | |
of O | |
NAFLD B | |
, O | |
and O | |
metabolic O | |
and O | |
liver O | |
phenotypes O | |
assessed O | |
. O | |
Body O | |
weight O | |
, O | |
muscle O | |
and O | |
adipose O | |
tissue O | |
masses O | |
, O | |
and O | |
parameters O | |
of O | |
glucose O | |
homeostasis O | |
showed O | |
that O | |
11b O | |
- O | |
HSD1KO O | |
and O | |
LKO O | |
mice O | |
were O | |
not O | |
protected O | |
from O | |
systemic B | |
metabolic I | |
disease I | |
. O | |
Evaluation O | |
of O | |
hepatic O | |
histology O | |
, O | |
triglyceride O | |
content O | |
, O | |
and O | |
blinded O | |
NAFLD B | |
activity O | |
score O | |
assessment O | |
indicated O | |
that O | |
levels O | |
of O | |
steatosis B | |
were O | |
similar O | |
between O | |
11b O | |
- O | |
HSD1KO O | |
, O | |
LKO O | |
, O | |
and O | |
control O | |
mice O | |
. O | |
Unexpectedly O | |
, O | |
histological O | |
analysis O | |
revealed O | |
significantly O | |
increased O | |
levels O | |
of O | |
immune O | |
foci O | |
present O | |
in O | |
livers O | |
of O | |
11b O | |
- O | |
HSD1KO O | |
but O | |
not O | |
LKO O | |
or O | |
control O | |
mice O | |
, O | |
suggestive O | |
of O | |
a O | |
transition O | |
to O | |
NASH B | |
. O | |
This O | |
was O | |
endorsed O | |
by O | |
elevated O | |
hepatic O | |
expression O | |
of O | |
key O | |
immune O | |
cell O | |
and O | |
inflammatory B | |
markers O | |
. O | |
These O | |
data O | |
indicate O | |
that O | |
11b O | |
- O | |
HSD1 O | |
- O | |
deficient O | |
mice O | |
are O | |
not O | |
protected O | |
from O | |
metabolic B | |
disease I | |
or O | |
hepatosteatosis B | |
in O | |
the O | |
face O | |
of O | |
a O | |
NAFLD B | |
- O | |
inducing O | |
diet O | |
. O | |
However O | |
, O | |
global O | |
deficiency O | |
of O | |
11b O | |
- O | |
HSD1 O | |
did O | |
increase O | |
markers O | |
of O | |
hepatic B | |
inflammation I | |
and O | |
suggests O | |
a O | |
critical O | |
role O | |
for O | |
11b O | |
- O | |
HSD1 O | |
in O | |
restraining O | |
the O | |
transition O | |
to O | |
NASH B | |
. O | |
Single O | |
- O | |
strand O | |
conformation O | |
polymorphism O | |
analysis O | |
of O | |
the O | |
FMR1 O | |
gene O | |
in O | |
autistic B | |
and I | |
mentally I | |
retarded I | |
children O | |
in O | |
Japan O | |
. O | |
Fragile B | |
X I | |
syndrome I | |
is O | |
one O | |
of O | |
the O | |
most O | |
common O | |
causes O | |
of O | |
mental B | |
retardation I | |
in O | |
males O | |
, O | |
and O | |
patients O | |
with O | |
fragile B | |
X I | |
syndrome I | |
occasionally O | |
develop O | |
autism B | |
. O | |
It O | |
is O | |
usually O | |
caused O | |
by O | |
an O | |
expansion O | |
of O | |
the O | |
trinucleotide O | |
repeat O | |
in O | |
the O | |
5 O | |
'- O | |
untranslated O | |
region O | |
of O | |
the O | |
FMR1 O | |
gene O | |
, O | |
but O | |
in O | |
a O | |
small O | |
number O | |
of O | |
patients O | |
deletions O | |
and O | |
point O | |
mutations O | |
have O | |
been O | |
identified O | |
. O | |
We O | |
screened O | |
all O | |
17 O | |
exons O | |
of O | |
the O | |
FMR1 O | |
gene O | |
for O | |
mutations O | |
in O | |
90 O | |
autistic B | |
or I | |
mentally I | |
retarded I | |
children O | |
using O | |
polymerase O | |
chain O | |
reaction O | |
( O | |
PCR O | |
)- O | |
single O | |
strand O | |
conformation O | |
polymorphism O | |
( O | |
SSCP O | |
) O | |
analysis O | |
. O | |
No O | |
mutations O | |
were O | |
found O | |
in O | |
76 O | |
male O | |
patients O | |
. O | |
However O | |
, O | |
one O | |
female O | |
patient O | |
was O | |
heterozygous O | |
for O | |
a O | |
normal O | |
allele O | |
and O | |
a O | |
mutant O | |
allele O | |
with O | |
an O | |
A O | |
to O | |
C O | |
substitution O | |
at O | |
nucleotide O | |
879 O | |
in O | |
exon O | |
9 O | |
. O | |
This O | |
mutation O | |
was O | |
not O | |
found O | |
in O | |
50 O | |
controls O | |
. O | |
Reverse O | |
transcription O | |
- O | |
PCR O | |
revealed O | |
that O | |
a O | |
large O | |
proportion O | |
of O | |
the O | |
mutant O | |
transcripts O | |
were O | |
spliced O | |
aberrantly O | |
, O | |
causing O | |
premature O | |
termination O | |
of O | |
the O | |
protein O | |
synthesis O | |
. O | |
Although O | |
uncommon O | |
, O | |
point O | |
mutations O | |
in O | |
the O | |
FMR1 O | |
gene O | |
may O | |
be O | |
a O | |
cause O | |
of O | |
autism B | |
and O | |
mental B | |
retardation I | |
in O | |
Japanese O | |
patients O | |
. O | |
Pheochromocytoma B | |
unmasked O | |
by O | |
amisulpride O | |
and O | |
tiapride O | |
. O | |
OBJECTIVE O | |
: O | |
To O | |
describe O | |
the O | |
unmasking O | |
of O | |
pheochromocytoma B | |
in O | |
a O | |
patient O | |
treated O | |
with O | |
amisulpride O | |
and O | |
tiapride O | |
. O | |
CASE O | |
SUMMARY O | |
: O | |
A O | |
42 O | |
- O | |
year O | |
- O | |
old O | |
white O | |
man O | |
developed O | |
acute O | |
hypertension B | |
with O | |
severe O | |
headache B | |
and O | |
vomiting B | |
2 O | |
hours O | |
after O | |
the O | |
first O | |
doses O | |
of O | |
amisulpride O | |
100 O | |
mg O | |
and O | |
tiapride O | |
100 O | |
mg O | |
. O | |
Both O | |
drugs O | |
were O | |
immediately O | |
discontinued O | |
, O | |
and O | |
the O | |
patient O | |
recovered O | |
after O | |
subsequent O | |
nicardipine O | |
and O | |
verapamil O | |
treatment O | |
. O | |
Abdominal O | |
ultrasound O | |
showed O | |
an O | |
adrenal O | |
mass I | |
, O | |
and O | |
postoperative O | |
histologic O | |
examination O | |
confirmed O | |
the O | |
diagnosis O | |
of O | |
pheochromocytoma B | |
. O | |
DISCUSSION O | |
: O | |
Drug O | |
- O | |
induced O | |
symptoms O | |
of O | |
pheochromocytoma B | |
are O | |
often O | |
associated O | |
with O | |
the O | |
use O | |
of O | |
substituted O | |
benzamide O | |
drugs O | |
, O | |
but O | |
the O | |
underlying O | |
mechanism O | |
is O | |
unknown O | |
. O | |
In O | |
our O | |
case O | |
, O | |
use O | |
of O | |
the O | |
Naranjo O | |
probability O | |
scale O | |
indicated O | |
a O | |
possible O | |
relationship O | |
between O | |
the O | |
hypertensive B | |
crisis I | |
and O | |
amisulpride O | |
and O | |
tiapride O | |
therapy O | |
. O | |
CONCLUSIONS O | |
: O | |
As O | |
of O | |
March O | |
24 O | |
, O | |
2005 O | |
, O | |
this O | |
is O | |
the O | |
first O | |
reported O | |
case O | |
of O | |
amisulpride O | |
- O | |
and O | |
tiapride O | |
- O | |
induced O | |
hypertensive B | |
crisis I | |
in O | |
a O | |
patient O | |
with O | |
pheochromocytoma B | |
. O | |
Physicians O | |
and O | |
other O | |
healthcare O | |
professionals O | |
should O | |
be O | |
aware O | |
of O | |
this O | |
potential O | |
adverse O | |
effect O | |
of O | |
tiapride O | |
and O | |
amisulpride O | |
. O | |
Phenylephrine O | |
but O | |
not O | |
ephedrine O | |
reduces O | |
frontal O | |
lobe O | |
oxygenation O | |
following O | |
anesthesia O | |
- O | |
induced O | |
hypotension B | |
. O | |
BACKGROUND O | |
: O | |
Vasopressor O | |
agents O | |
are O | |
used O | |
to O | |
correct O | |
anesthesia O | |
- O | |
induced O | |
hypotension B | |
. O | |
We O | |
describe O | |
the O | |
effect O | |
of O | |
phenylephrine O | |
and O | |
ephedrine O | |
on O | |
frontal O | |
lobe O | |
oxygenation O | |
( O | |
S O | |
( O | |
c O | |
) O | |
O O | |
( O | |
2 O | |
)) O | |
following O | |
anesthesia O | |
- O | |
induced O | |
hypotension B | |
. O | |
METHODS O | |
: O | |
Following O | |
induction O | |
of O | |
anesthesia O | |
by O | |
fentanyl O | |
( O | |
0 O | |
. O | |
15 O | |
mg O | |
kg O | |
(- O | |
1 O | |
)) O | |
and O | |
propofol O | |
( O | |
2 O | |
. O | |
0 O | |
mg O | |
kg O | |
(- O | |
1 O | |
)), O | |
13 O | |
patients O | |
received O | |
phenylephrine O | |
( O | |
0 O | |
. O | |
1 O | |
mg O | |
iv O | |
) O | |
and O | |
12 O | |
patients O | |
received O | |
ephedrine O | |
( O | |
10 O | |
mg O | |
iv O | |
) O | |
to O | |
restore O | |
mean O | |
arterial O | |
pressure O | |
( O | |
MAP O | |
). O | |
Heart O | |
rate O | |
( O | |
HR O | |
), O | |
MAP O | |
, O | |
stroke O | |
volume O | |
( O | |
SV O | |
), O | |
cardiac O | |
output O | |
( O | |
CO O | |
), O | |
and O | |
frontal O | |
lobe O | |
oxygenation O | |
( O | |
S O | |
( O | |
c O | |
) O | |
O O | |
( O | |
2 O | |
)) O | |
were O | |
registered O | |
. O | |
RESULTS O | |
: O | |
Induction O | |
of O | |
anesthesia O | |
was O | |
followed O | |
by O | |
a O | |
decrease O | |
in O | |
MAP O | |
, O | |
HR O | |
, O | |
SV O | |
, O | |
and O | |
CO O | |
concomitant O | |
with O | |
an O | |
elevation O | |
in O | |
S O | |
( O | |
c O | |
) O | |
O O | |
( O | |
2 O | |
). O | |
After O | |
administration O | |
of O | |
phenylephrine O | |
, O | |
MAP O | |
increased O | |
( O | |
51 O | |
+/- O | |
12 O | |
to O | |
81 O | |
+/- O | |
13 O | |
mmHg O | |
; O | |
P O | |
< O | |
0 O | |
. O | |
1 O | |
; O | |
mean O | |
+/- O | |
SD O | |
). O | |
However O | |
, O | |
a O | |
14 O | |
% O | |
( O | |
from O | |
70 O | |
+/- O | |
8 O | |
% O | |
to O | |
60 O | |
+/- O | |
7 O | |
%) O | |
reduction O | |
in O | |
S O | |
( O | |
c O | |
) O | |
O O | |
( O | |
2 O | |
) O | |
( O | |
P O | |
< O | |
0 O | |
. O | |
5 O | |
) O | |
followed O | |
with O | |
no O | |
change O | |
in O | |
CO O | |
( O | |
3 O | |
. O | |
7 O | |
+/- O | |
1 O | |
. O | |
1 O | |
to O | |
3 O | |
. O | |
4 O | |
+/- O | |
0 O | |
. O | |
9 O | |
l O | |
min O | |
(- O | |
1 O | |
)). O | |
The O | |
administration O | |
of O | |
ephedrine O | |
led O | |
to O | |
a O | |
similar O | |
increase O | |
in O | |
MAP O | |
( O | |
53 O | |
+/- O | |
9 O | |
to O | |
79 O | |
+/- O | |
8 O | |
mmHg O | |
; O | |
P O | |
< O | |
0 O | |
. O | |
1 O | |
), O | |
restored O | |
CO O | |
( O | |
3 O | |
. O | |
2 O | |
+/- O | |
1 O | |
. O | |
2 O | |
to O | |
5 O | |
. O | |
0 O | |
+/- O | |
1 O | |
. O | |
3 O | |
l O | |
min O | |
(- O | |
1 O | |
)), O | |
and O | |
preserved O | |
S O | |
( O | |
c O | |
) O | |
O O | |
( O | |
2 O | |
). O | |
CONCLUSIONS O | |
: O | |
The O | |
utilization O | |
of O | |
phenylephrine O | |
to O | |
correct O | |
hypotension B | |
induced O | |
by O | |
anesthesia O | |
has O | |
a O | |
negative O | |
impact O | |
on O | |
S O | |
( O | |
c O | |
) O | |
O O | |
( O | |
2 O | |
) O | |
while O | |
ephedrine O | |
maintains O | |
frontal O | |
lobe O | |
oxygenation O | |
potentially O | |
related O | |
to O | |
an O | |
increase O | |
in O | |
CO O | |
. O | |
Somatic O | |
and O | |
gonadal O | |
mosaicism O | |
in O | |
X B | |
- I | |
linked I | |
retinitis I | |
pigmentosa I | |
. O | |
The O | |
g O | |
. O | |
ORF15 O | |
+ O | |
652 O | |
- O | |
653delAG O | |
mutation O | |
in O | |
the O | |
RPGR O | |
gene O | |
is O | |
the O | |
most O | |
frequent O | |
mutation O | |
in O | |
X B | |
- I | |
linked I | |
retinitis I | |
pigmentosa I | |
( O | |
XLRP B | |
). O | |
The O | |
objective O | |
of O | |
this O | |
study O | |
was O | |
to O | |
investigate O | |
the O | |
possibility O | |
of O | |
mosaicism O | |
in O | |
an O | |
XLRP B | |
family O | |
. O | |
Eight O | |
subjects O | |
in O | |
the O | |
RP B | |
family O | |
were O | |
recruited O | |
. O | |
Blood O | |
samples O | |
were O | |
collected O | |
for O | |
DNA O | |
extraction O | |
. O | |
Haplotype O | |
analysis O | |
and O | |
mutational O | |
screening O | |
on O | |
the O | |
RPGR O | |
gene O | |
were O | |
performed O | |
. O | |
Additionally O | |
, O | |
samples O | |
of O | |
hair O | |
follicles O | |
and O | |
buccal O | |
cells O | |
from O | |
the O | |
mother O | |
of O | |
the O | |
proband O | |
were O | |
acquired O | |
for O | |
DNA O | |
extraction O | |
and O | |
molecular O | |
analysis O | |
. O | |
Phenotype O | |
was O | |
characterized O | |
with O | |
routine O | |
ophthalmic O | |
examination O | |
, O | |
Goldmann O | |
perimetry O | |
, O | |
electroretinography O | |
, O | |
and O | |
color O | |
fundus O | |
photography O | |
. O | |
A O | |
g O | |
. O | |
ORF15 O | |
+ O | |
652 O | |
- O | |
653delAG O | |
mutation O | |
was O | |
identified O | |
in O | |
second O | |
- O | |
and O | |
third O | |
- O | |
generation O | |
patients O | |
/ O | |
carriers O | |
. O | |
A O | |
first O | |
- O | |
generation O | |
female O | |
, O | |
who O | |
was O | |
considered O | |
to O | |
be O | |
an O | |
obligate O | |
carrier O | |
, O | |
demonstrated O | |
a O | |
normal O | |
phenotype O | |
as O | |
well O | |
as O | |
a O | |
normal O | |
genotype O | |
in O | |
lymphocytic O | |
DNA O | |
, O | |
indicating O | |
the O | |
gonadal O | |
mosaicism O | |
; O | |
however O | |
, O | |
a O | |
heterozygous O | |
AG O | |
- O | |
deletion O | |
at O | |
nucleotide O | |
652 O | |
and O | |
653 O | |
was O | |
identified O | |
in O | |
the O | |
genomic O | |
DNA O | |
of O | |
hair O | |
follicles O | |
, O | |
hair O | |
shaft O | |
, O | |
and O | |
buccal O | |
cells O | |
, O | |
indicating O | |
that O | |
the O | |
mutation O | |
is O | |
somatic O | |
. O | |
In O | |
conclusion O | |
, O | |
we O | |
reported O | |
on O | |
a O | |
family O | |
in O | |
which O | |
an O | |
asymptomatic O | |
woman O | |
with O | |
somatic O | |
- O | |
gonadal O | |
mosaicism O | |
for O | |
a O | |
RPGR O | |
gene O | |
mutation O | |
transmitted O | |
the O | |
mutation O | |
to O | |
an O | |
asymptomatic O | |
daughter O | |
and O | |
to O | |
a O | |
son O | |
with O | |
XLRP B | |
. O | |
Gonadal O | |
mosaicism O | |
may O | |
be O | |
responsible O | |
for O | |
a O | |
proportion O | |
of O | |
multiplex O | |
or O | |
simplex O | |
RP B | |
families O | |
, O | |
in O | |
which O | |
more O | |
than O | |
50 O | |
% O | |
of O | |
all O | |
cases O | |
of O | |
RP B | |
are O | |
found O | |
. O | |
( O | |
c O | |
) O | |
2007 O | |
Wiley O | |
- O | |
Liss O | |
, O | |
Inc O | |
. O | |
Complete B | |
atrioventricular I | |
block I | |
secondary O | |
to O | |
lithium O | |
therapy O | |
. O | |
Sinus B | |
node I | |
dysfunction I | |
has O | |
been O | |
reported O | |
most O | |
frequently O | |
among O | |
the O | |
adverse O | |
cardiovascular O | |
effects O | |
of O | |
lithium O | |
. O | |
In O | |
the O | |
present O | |
case O | |
, O | |
complete B | |
atrioventricular I | |
( I | |
AV I | |
) I | |
block I | |
with O | |
syncopal B | |
attacks I | |
developed O | |
secondary O | |
to O | |
lithium O | |
therapy O | |
, O | |
necessitating O | |
permanent O | |
pacemaker O | |
implantation O | |
. O | |
Serum O | |
lithium O | |
levels O | |
remained O | |
under O | |
or O | |
within O | |
the O | |
therapeutic O | |
range O | |
during O | |
the O | |
syncopal B | |
attacks I | |
. O | |
Lithium O | |
should O | |
be O | |
used O | |
with O | |
extreme O | |
caution O | |
, O | |
especially O | |
in O | |
patients O | |
with O | |
mild O | |
disturbance B | |
of I | |
AV I | |
conduction I | |
. O | |
Organophosphate O | |
- O | |
induced O | |
convulsions B | |
and O | |
prevention O | |
of O | |
neuropathological B | |
damages I | |
. O | |
Such O | |
organophosphorus O | |
( O | |
OP O | |
) O | |
compounds O | |
as O | |
diisopropylfluorophosphate O | |
( O | |
DFP O | |
), O | |
sarin O | |
and O | |
soman O | |
are O | |
potent O | |
inhibitors O | |
of O | |
acetylcholinesterases O | |
( O | |
AChEs O | |
) O | |
and O | |
butyrylcholinesterases O | |
( O | |
BChEs O | |
). O | |
The O | |
acute O | |
toxicity B | |
of O | |
OPs O | |
is O | |
the O | |
result O | |
of O | |
their O | |
irreversible O | |
binding O | |
with O | |
AChEs O | |
in O | |
the O | |
central O | |
nervous O | |
system O | |
( O | |
CNS O | |
), O | |
which O | |
elevates O | |
acetylcholine O | |
( O | |
ACh O | |
) O | |
levels O | |
. O | |
The O | |
protective O | |
action O | |
of O | |
subcutaneously O | |
( O | |
SC O | |
) O | |
administered O | |
antidotes O | |
or O | |
their O | |
combinations O | |
in O | |
DFP O | |
( O | |
2 O | |
. O | |
0 O | |
mg O | |
/ O | |
kg O | |
BW O | |
) O | |
intoxication B | |
was O | |
studied O | |
in O | |
9 O | |
- O | |
10 O | |
- O | |
weeks O | |
- O | |
old O | |
Han O | |
- O | |
Wistar O | |
male O | |
rats O | |
. O | |
The O | |
rats O | |
received O | |
AChE O | |
reactivator O | |
pralidoxime O | |
- O | |
2 O | |
- O | |
chloride O | |
( O | |
2PAM O | |
) O | |
( O | |
30 O | |
. O | |
0 O | |
mg O | |
/ O | |
kg O | |
BW O | |
), O | |
anticonvulsant O | |
diazepam O | |
( O | |
2 O | |
. O | |
0 O | |
mg O | |
/ O | |
kg O | |
BW O | |
), O | |
A O | |
( O | |
1 O | |
)- O | |
adenosine O | |
receptor O | |
agonist O | |
N O | |
( O | |
6 O | |
)- O | |
cyclopentyl O | |
adenosine O | |
( O | |
CPA O | |
) O | |
( O | |
2 O | |
. O | |
0 O | |
mg O | |
/ O | |
kg O | |
BW O | |
), O | |
NMDA O | |
- O | |
receptor O | |
antagonist O | |
dizocilpine O | |
maleate O | |
(+- O | |
MK801 O | |
hydrogen O | |
maleate O | |
) O | |
( O | |
2 O | |
. O | |
0 O | |
mg O | |
/ O | |
kg O | |
BW O | |
) O | |
or O | |
their O | |
combinations O | |
with O | |
cholinolytic O | |
drug O | |
atropine O | |
sulfate O | |
( O | |
50 O | |
. O | |
0 O | |
mg O | |
/ O | |
kg O | |
BW O | |
) O | |
immediately O | |
or O | |
30 O | |
min O | |
after O | |
the O | |
single O | |
SC O | |
injection O | |
of O | |
DFP O | |
. O | |
The O | |
control O | |
rats O | |
received O | |
atropine O | |
sulfate O | |
, O | |
but O | |
also O | |
saline O | |
and O | |
olive O | |
oil O | |
instead O | |
of O | |
other O | |
antidotes O | |
and O | |
DFP O | |
, O | |
respectively O | |
. O | |
All O | |
rats O | |
were O | |
terminated O | |
either O | |
24 O | |
h O | |
or O | |
3 O | |
weeks O | |
after O | |
the O | |
DFP O | |
injection O | |
. O | |
The O | |
rats O | |
treated O | |
with O | |
DFP O | |
- O | |
atropine O | |
showed O | |
severe O | |
typical O | |
OP O | |
- O | |
induced O | |
toxicity B | |
signs O | |
. O | |
When O | |
CPA O | |
, O | |
diazepam O | |
or O | |
2PAM O | |
was O | |
given O | |
immediately O | |
after O | |
DFP O | |
- O | |
atropine O | |
, O | |
these O | |
treatments O | |
prevented O | |
, O | |
delayed O | |
or O | |
shortened O | |
the O | |
occurrence O | |
of O | |
serious O | |
signs O | |
of O | |
poisoning B | |
. O | |
Atropine O | |
- O | |
MK801 O | |
did O | |
not O | |
offer O | |
any O | |
additional O | |
protection O | |
against O | |
DFP O | |
toxicity B | |
. O | |
In O | |
conclusion O | |
, O | |
CPA O | |
, O | |
diazepam O | |
and O | |
2PAM O | |
in O | |
combination O | |
with O | |
atropine O | |
prevented O | |
the O | |
occurrence O | |
of O | |
serious O | |
signs O | |
of O | |
poisoning B | |
and O | |
thus O | |
reduced O | |
the O | |
toxicity B | |
of O | |
DFP O | |
in O | |
rat O | |
. O | |
The O | |
activation O | |
of O | |
spinal O | |
N O | |
- O | |
methyl O | |
- O | |
D O | |
- O | |
aspartate O | |
receptors O | |
may O | |
contribute O | |
to O | |
degeneration O | |
of O | |
spinal O | |
motor O | |
neurons O | |
induced O | |
by O | |
neuraxial O | |
morphine O | |
after O | |
a O | |
noninjurious O | |
interval O | |
of O | |
spinal B | |
cord I | |
ischemia I | |
. O | |
We O | |
investigated O | |
the O | |
relationship O | |
between O | |
the O | |
degeneration B | |
of O | |
spinal O | |
motor O | |
neurons O | |
and O | |
activation O | |
of O | |
N O | |
- O | |
methyl O | |
- O | |
d O | |
- O | |
aspartate O | |
( O | |
NMDA O | |
) O | |
receptors O | |
after O | |
neuraxial O | |
morphine O | |
following O | |
a O | |
noninjurious O | |
interval O | |
of O | |
aortic B | |
occlusion I | |
in O | |
rats O | |
. O | |
Spinal B | |
cord I | |
ischemia I | |
was O | |
induced O | |
by O | |
aortic O | |
occlusion O | |
for O | |
6 O | |
min O | |
with O | |
a O | |
balloon O | |
catheter O | |
. O | |
In O | |
a O | |
microdialysis O | |
study O | |
, O | |
10 O | |
muL O | |
of O | |
saline O | |
( O | |
group O | |
C O | |
; O | |
n O | |
= O | |
8 O | |
) O | |
or O | |
30 O | |
mug O | |
of O | |
morphine O | |
( O | |
group O | |
M O | |
; O | |
n O | |
= O | |
8 O | |
) O | |
was O | |
injected O | |
intrathecally O | |
( O | |
IT O | |
) O | |
0 O | |
. O | |
5 O | |
h O | |
after O | |
reflow O | |
, O | |
and O | |
30 O | |
mug O | |
of O | |
morphine O | |
( O | |
group O | |
SM O | |
; O | |
n O | |
= O | |
8 O | |
) O | |
or O | |
10 O | |
muL O | |
of O | |
saline O | |
( O | |
group O | |
SC O | |
; O | |
n O | |
= O | |
8 O | |
) O | |
was O | |
injected O | |
IT O | |
0 O | |
. O | |
5 O | |
h O | |
after O | |
sham O | |
operation O | |
. O | |
Microdialysis O | |
samples O | |
were O | |
collected O | |
preischemia O | |
, O | |
before O | |
IT O | |
injection O | |
, O | |
and O | |
at O | |
2 O | |
, O | |
4 O | |
, O | |
8 O | |
, O | |
24 O | |
, O | |
and O | |
48 O | |
h O | |
of O | |
reperfusion O | |
( O | |
after O | |
IT O | |
injection O | |
). O | |
Second O | |
, O | |
we O | |
investigated O | |
the O | |
effect O | |
of O | |
IT O | |
MK O | |
- O | |
801 O | |
( O | |
30 O | |
mug O | |
) O | |
on O | |
the O | |
histopathologic O | |
changes O | |
in O | |
the O | |
spinal O | |
cord O | |
after O | |
morphine O | |
- O | |
induced O | |
spastic B | |
paraparesis I | |
. O | |
After O | |
IT O | |
morphine O | |
, O | |
the O | |
cerebrospinal O | |
fluid O | |
( O | |
CSF O | |
) O | |
glutamate O | |
concentration O | |
was O | |
increased O | |
in O | |
group O | |
M O | |
relative O | |
to O | |
both O | |
baseline O | |
and O | |
group O | |
C O | |
( O | |
P O | |
< O | |
0 O | |
. O | |
5 O | |
). O | |
This O | |
increase O | |
persisted O | |
for O | |
8 O | |
hrs O | |
. O | |
IT O | |
MK O | |
- O | |
801 O | |
significantly O | |
reduced O | |
the O | |
number O | |
of O | |
dark O | |
- O | |
stained O | |
alpha O | |
- O | |
motoneurons O | |
after O | |
morphine O | |
- O | |
induced O | |
spastic B | |
paraparesis I | |
compared O | |
with O | |
the O | |
saline O | |
group O | |
. O | |
These O | |
data O | |
indicate O | |
that O | |
IT O | |
morphine O | |
induces O | |
spastic B | |
paraparesis I | |
with O | |
a O | |
concomitant O | |
increase O | |
in O | |
CSF O | |
glutamate O | |
, O | |
which O | |
is O | |
involved O | |
in O | |
NMDA O | |
receptor O | |
activation O | |
. O | |
We O | |
suggest O | |
that O | |
opioids O | |
may O | |
be O | |
neurotoxic B | |
in O | |
the O | |
setting O | |
of O | |
spinal B | |
cord I | |
ischemia I | |
via O | |
NMDA O | |
receptor O | |
activation O | |
. O | |
Growth O | |
- O | |
associated O | |
protein O | |
43 O | |
expression O | |
in O | |
hippocampal O | |
molecular O | |
layer O | |
of O | |
chronic O | |
epileptic B | |
rats O | |
treated O | |
with O | |
cycloheximide O | |
. O | |
PURPOSE O | |
: O | |
GAP43 O | |
has O | |
been O | |
thought O | |
to O | |
be O | |
linked O | |
with O | |
mossy O | |
fiber O | |
sprouting O | |
( O | |
MFS O | |
) O | |
in O | |
various O | |
experimental O | |
models O | |
of O | |
epilepsy B | |
. O | |
To O | |
investigate O | |
how O | |
GAP43 O | |
expression O | |
( O | |
GAP43 O | |
- O | |
ir O | |
) O | |
correlates O | |
with O | |
MFS O | |
, O | |
we O | |
assessed O | |
the O | |
intensity O | |
( O | |
densitometry O | |
) O | |
and O | |
extension O | |
( O | |
width O | |
) O | |
of O | |
GAP43 O | |
- O | |
ir O | |
in O | |
the O | |
inner O | |
molecular O | |
layer O | |
of O | |
the O | |
dentate O | |
gyrus O | |
( O | |
IML O | |
) O | |
of O | |
rats O | |
subject O | |
to O | |
status B | |
epilepticus I | |
induced O | |
by O | |
pilocarpine O | |
( O | |
Pilo O | |
), O | |
previously O | |
injected O | |
or O | |
not O | |
with O | |
cycloheximide O | |
( O | |
CHX O | |
), O | |
which O | |
has O | |
been O | |
shown O | |
to O | |
inhibit O | |
MFS O | |
. O | |
METHODS O | |
: O | |
CHX O | |
was O | |
injected O | |
before O | |
the O | |
Pilo O | |
injection O | |
in O | |
adult O | |
Wistar O | |
rats O | |
. O | |
The O | |
Pilo O | |
group O | |
was O | |
injected O | |
with O | |
the O | |
same O | |
drugs O | |
, O | |
except O | |
for O | |
CHX O | |
. O | |
Animals O | |
were O | |
killed O | |
between O | |
30 O | |
and O | |
60 O | |
days O | |
later O | |
, O | |
and O | |
brain O | |
sections O | |
were O | |
processed O | |
for O | |
GAP43 O | |
immunohistochemistry O | |
. O | |
RESULTS O | |
: O | |
Densitometry O | |
showed O | |
no O | |
significant O | |
difference O | |
regarding O | |
GAP43 O | |
- O | |
ir O | |
in O | |
the O | |
IML O | |
between O | |
Pilo O | |
, O | |
CHX O | |
+ O | |
Pilo O | |
, O | |
and O | |
control O | |
groups O | |
. O | |
However O | |
, O | |
the O | |
results O | |
of O | |
the O | |
width O | |
of O | |
the O | |
GAP43 O | |
- O | |
ir O | |
band O | |
in O | |
the O | |
IML O | |
showed O | |
that O | |
CHX O | |
+ O | |
Pilo O | |
and O | |
control O | |
animals O | |
had O | |
a O | |
significantly O | |
larger O | |
band O | |
( O | |
p O | |
= O | |
0 O | |
. O | |
3 O | |
) O | |
as O | |
compared O | |
with O | |
that O | |
in O | |
the O | |
Pilo O | |
group O | |
. O | |
CONCLUSIONS O | |
: O | |
Our O | |
current O | |
finding O | |
that O | |
animals O | |
in O | |
the O | |
CHX O | |
+ O | |
Pilo O | |
group O | |
have O | |
a O | |
GAP43 O | |
- O | |
ir O | |
band O | |
in O | |
the O | |
IML O | |
, O | |
similar O | |
to O | |
that O | |
of O | |
controls O | |
, O | |
reinforces O | |
prior O | |
data O | |
on O | |
the O | |
blockade O | |
of O | |
MFS O | |
in O | |
these O | |
animals O | |
. O | |
The O | |
change O | |
in O | |
GAP43 O | |
- O | |
ir O | |
present O | |
in O | |
Pilo O | |
- O | |
treated O | |
animals O | |
was O | |
a O | |
thinning O | |
of O | |
the O | |
band O | |
to O | |
a O | |
very O | |
narrow O | |
layer O | |
just O | |
above O | |
the O | |
granule O | |
cell O | |
layer O | |
that O | |
is O | |
likely O | |
to O | |
be O | |
associated O | |
with O | |
the O | |
loss O | |
of O | |
hilar O | |
cell O | |
projections O | |
that O | |
express O | |
GAP O | |
- O | |
43 O | |
. O | |
Daidzein O | |
activates O | |
choline O | |
acetyltransferase O | |
from O | |
MC O | |
- O | |
IXC O | |
cells O | |
and O | |
improves O | |
drug O | |
- O | |
induced O | |
amnesia B | |
. O | |
The O | |
choline O | |
acetyltransferase O | |
( O | |
ChAT O | |
) O | |
activator O | |
, O | |
which O | |
enhances O | |
cholinergic O | |
transmission O | |
via O | |
an O | |
augmentation O | |
of O | |
the O | |
enzymatic O | |
production O | |
of O | |
acetylcholine O | |
( O | |
ACh O | |
), O | |
is O | |
an O | |
important O | |
factor O | |
in O | |
the O | |
treatment O | |
of O | |
Alzheimer B | |
' I | |
s I | |
disease I | |
( O | |
AD B | |
). O | |
Methanolic O | |
extracts O | |
from O | |
Pueraria O | |
thunbergiana O | |
exhibited O | |
an O | |
activation O | |
effect O | |
( O | |
46 O | |
%) O | |
on O | |
ChAT O | |
in O | |
vitro O | |
. O | |
Via O | |
the O | |
sequential O | |
isolation O | |
of O | |
Pueraria O | |
thunbergiana O | |
, O | |
the O | |
active O | |
component O | |
was O | |
ultimately O | |
identified O | |
as O | |
daidzein O | |
( O | |
4 O | |
', O | |
7 O | |
- O | |
dihydroxy O | |
- O | |
isoflavone O | |
). O | |
In O | |
order O | |
to O | |
investigate O | |
the O | |
effects O | |
of O | |
daidzein O | |
from O | |
Pueraria O | |
thunbergiana O | |
on O | |
scopolamine O | |
- O | |
induced O | |
impairments B | |
of I | |
learning I | |
and I | |
memory I | |
, O | |
we O | |
conducted O | |
a O | |
series O | |
of O | |
in O | |
vivo O | |
tests O | |
. O | |
Administration O | |
of O | |
daidzein O | |
( O | |
4 O | |
. O | |
5 O | |
mg O | |
/ O | |
kg O | |
body O | |
weight O | |
) O | |
to O | |
mice O | |
was O | |
shown O | |
significantly O | |
to O | |
reverse O | |
scopolamine O | |
- O | |
induced O | |
amnesia B | |
, O | |
according O | |
to O | |
the O | |
results O | |
of O | |
a O | |
Y O | |
- O | |
maze O | |
test O | |
. O | |
Injections O | |
of O | |
scopolamine O | |
into O | |
mice O | |
resulted O | |
in O | |
impaired O | |
performance O | |
on O | |
Y O | |
- O | |
maze O | |
tests O | |
( O | |
a O | |
37 O | |
% O | |
decreases O | |
in O | |
alternation O | |
behavior O | |
). O | |
By O | |
way O | |
of O | |
contrast O | |
, O | |
mice O | |
treated O | |
with O | |
daidzein O | |
prior O | |
to O | |
the O | |
scopolamine O | |
injections O | |
were O | |
noticeably O | |
protected O | |
from O | |
this O | |
performance B | |
impairment I | |
( O | |
an O | |
approximately O | |
12 O | |
%- O | |
21 O | |
% O | |
decrease O | |
in O | |
alternation O | |
behavior O | |
). O | |
These O | |
results O | |
indicate O | |
that O | |
daidzein O | |
might O | |
play O | |
a O | |
role O | |
in O | |
acetylcholine O | |
biosynthesis O | |
as O | |
a O | |
ChAT O | |
activator O | |
, O | |
and O | |
that O | |
it O | |
also O | |
ameliorates O | |
scopolamine O | |
- O | |
induced O | |
amnesia B | |
. O | |
Effect O | |
of O | |
alpha O | |
- O | |
tocopherol O | |
and O | |
deferoxamine O | |
on O | |
methamphetamine O | |
- O | |
induced O | |
neurotoxicity B | |
. O | |
Methamphetamine O | |
( O | |
MA O | |
)- O | |
induced O | |
dopaminergic O | |
neurotoxicity B | |
is O | |
believed O | |
to O | |
be O | |
associated O | |
with O | |
the O | |
increased O | |
formation O | |
of O | |
free O | |
radicals O | |
. O | |
This O | |
study O | |
examined O | |
the O | |
effect O | |
of O | |
alpha O | |
- O | |
tocopherol O | |
( O | |
alpha O | |
- O | |
TC O | |
), O | |
a O | |
scavenger O | |
of O | |
reactive O | |
oxygen O | |
species O | |
, O | |
and O | |
deferoxamine O | |
( O | |
DFO O | |
), O | |
an O | |
iron O | |
chelator O | |
, O | |
on O | |
the O | |
MA O | |
- O | |
induced O | |
neurotoxicity B | |
. O | |
Male O | |
rats O | |
were O | |
treated O | |
with O | |
MA O | |
( O | |
10 O | |
mg O | |
/ O | |
kg O | |
, O | |
every O | |
2 O | |
h O | |
for O | |
four O | |
injections O | |
). O | |
The O | |
rat O | |
received O | |
either O | |
alpha O | |
- O | |
TC O | |
( O | |
20 O | |
mg O | |
/ O | |
kg O | |
) O | |
intraperitoneally O | |
for O | |
3 O | |
days O | |
and O | |
30 O | |
min O | |
prior O | |
to O | |
MA O | |
administration O | |
or O | |
DFO O | |
( O | |
50 O | |
mg O | |
/ O | |
kg O | |
) O | |
subcutaneously O | |
30 O | |
min O | |
before O | |
MA O | |
administration O | |
. O | |
The O | |
concentrations O | |
of O | |
dopamine O | |
( O | |
DA O | |
), O | |
serotonin O | |
and O | |
their O | |
metabolites O | |
decreased O | |
significantly O | |
after O | |
MA O | |
administration O | |
, O | |
which O | |
was O | |
inhibited O | |
by O | |
the O | |
alpha O | |
- O | |
TC O | |
and O | |
DFO O | |
pretreatment O | |
. O | |
alpha O | |
- O | |
TC O | |
and O | |
DFO O | |
attenuated O | |
the O | |
MA O | |
- O | |
induced O | |
hyperthermia B | |
as O | |
well O | |
as O | |
the O | |
alterations O | |
in O | |
the O | |
locomotor O | |
activity O | |
. O | |
The O | |
level O | |
of O | |
lipid O | |
peroxidation O | |
was O | |
higher O | |
and O | |
the O | |
reduced O | |
glutathione O | |
concentration O | |
was O | |
lower O | |
in O | |
the O | |
MA O | |
- O | |
treated O | |
rats O | |
. O | |
These O | |
changes O | |
were O | |
significantly O | |
attenuated O | |
by O | |
alpha O | |
- O | |
TC O | |
and O | |
DFO O | |
. O | |
This O | |
suggests O | |
that O | |
alpha O | |
- O | |
TC O | |
and O | |
DFO O | |
ameliorate O | |
the O | |
MA O | |
- O | |
induced O | |
neuronal B | |
damage I | |
by O | |
decreasing O | |
the O | |
level O | |
of O | |
oxidative O | |
stress O | |
. O | |
Cardiac O | |
Angiography O | |
in O | |
Renally B | |
Impaired I | |
Patients O | |
( O | |
CARE O | |
) O | |
study O | |
: O | |
a O | |
randomized O | |
double O | |
- O | |
blind O | |
trial O | |
of O | |
contrast O | |
- O | |
induced O | |
nephropathy B | |
in O | |
patients O | |
with O | |
chronic B | |
kidney I | |
disease I | |
. O | |
BACKGROUND O | |
: O | |
No O | |
direct O | |
comparisons O | |
exist O | |
of O | |
the O | |
renal O | |
tolerability O | |
of O | |
the O | |
low O | |
- O | |
osmolality O | |
contrast O | |
medium O | |
iopamidol O | |
with O | |
that O | |
of O | |
the O | |
iso O | |
- O | |
osmolality O | |
contrast O | |
medium O | |
iodixanol O | |
in O | |
high O | |
- O | |
risk O | |
patients O | |
. O | |
METHODS O | |
AND O | |
RESULTS O | |
: O | |
The O | |
present O | |
study O | |
is O | |
a O | |
multicenter O | |
, O | |
randomized O | |
, O | |
double O | |
- O | |
blind O | |
comparison O | |
of O | |
iopamidol O | |
and O | |
iodixanol O | |
in O | |
patients O | |
with O | |
chronic B | |
kidney I | |
disease I | |
( O | |
estimated O | |
glomerular O | |
filtration O | |
rate O | |
, O | |
20 O | |
to O | |
59 O | |
mL O | |
/ O | |
min O | |
) O | |
who O | |
underwent O | |
cardiac O | |
angiography O | |
or O | |
percutaneous O | |
coronary O | |
interventions O | |
. O | |
Serum O | |
creatinine O | |
( O | |
SCr O | |
) O | |
levels O | |
and O | |
estimated O | |
glomerular O | |
filtration O | |
rate O | |
were O | |
assessed O | |
at O | |
baseline O | |
and O | |
2 O | |
to O | |
5 O | |
days O | |
after O | |
receiving O | |
medications O | |
. O | |
The O | |
primary O | |
outcome O | |
was O | |
a O | |
postdose O | |
SCr O | |
increase O | |
> O | |
or O | |
= O | |
0 O | |
. O | |
5 O | |
mg O | |
/ O | |
dL O | |
( O | |
44 O | |
. O | |
2 O | |
micromol O | |
/ O | |
L O | |
) O | |
over O | |
baseline O | |
. O | |
Secondary O | |
outcomes O | |
were O | |
a O | |
postdose O | |
SCr O | |
increase O | |
> O | |
or O | |
= O | |
25 O | |
%, O | |
a O | |
postdose O | |
estimated O | |
glomerular O | |
filtration O | |
rate O | |
decrease O | |
of O | |
> O | |
or O | |
= O | |
25 O | |
%, O | |
and O | |
the O | |
mean O | |
peak O | |
change O | |
in O | |
SCr O | |
. O | |
In O | |
414 O | |
patients O | |
, O | |
contrast O | |
volume O | |
, O | |
presence O | |
of O | |
diabetes B | |
mellitus I | |
, O | |
use O | |
of O | |
N O | |
- O | |
acetylcysteine O | |
, O | |
mean O | |
baseline O | |
SCr O | |
, O | |
and O | |
estimated O | |
glomerular O | |
filtration O | |
rate O | |
were O | |
comparable O | |
in O | |
the O | |
2 O | |
groups O | |
. O | |
SCr O | |
increases O | |
> O | |
or O | |
= O | |
0 O | |
. O | |
5 O | |
mg O | |
/ O | |
dL O | |
occurred O | |
in O | |
4 O | |
. O | |
4 O | |
% O | |
( O | |
9 O | |
of O | |
204 O | |
patients O | |
) O | |
after O | |
iopamidol O | |
and O | |
6 O | |
. O | |
7 O | |
% O | |
( O | |
14 O | |
of O | |
210 O | |
patients O | |
) O | |
after O | |
iodixanol O | |
( O | |
P O | |
= O | |
0 O | |
. O | |
39 O | |
), O | |
whereas O | |
rates O | |
of O | |
SCr O | |
increases O | |
> O | |
or O | |
= O | |
25 O | |
% O | |
were O | |
9 O | |
. O | |
8 O | |
% O | |
and O | |
12 O | |
. O | |
4 O | |
%, O | |
respectively O | |
( O | |
P O | |
= O | |
0 O | |
. O | |
44 O | |
). O | |
In O | |
patients O | |
with O | |
diabetes B | |
, O | |
SCr O | |
increases O | |
> O | |
or O | |
= O | |
0 O | |
. O | |
5 O | |
mg O | |
/ O | |
dL O | |
were O | |
5 O | |
. O | |
1 O | |
% O | |
( O | |
4 O | |
of O | |
78 O | |
patients O | |
) O | |
with O | |
iopamidol O | |
and O | |
13 O | |
. O | |
0 O | |
% O | |
( O | |
12 O | |
of O | |
92 O | |
patients O | |
) O | |
with O | |
iodixanol O | |
( O | |
P O | |
= O | |
0 O | |
. O | |
11 O | |
), O | |
whereas O | |
SCr O | |
increases O | |
> O | |
or O | |
= O | |
25 O | |
% O | |
were O | |
10 O | |
. O | |
3 O | |
% O | |
and O | |
15 O | |
. O | |
2 O | |
%, O | |
respectively O | |
( O | |
P O | |
= O | |
0 O | |
. O | |
37 O | |
). O | |
Mean O | |
post O | |
- O | |
SCr O | |
increases O | |
were O | |
significantly O | |
less O | |
with O | |
iopamidol O | |
( O | |
all O | |
patients O | |
: O | |
0 O | |
. O | |
7 O | |
versus O | |
0 O | |
. O | |
12 O | |
mg O | |
/ O | |
dL O | |
, O | |
6 O | |
. O | |
2 O | |
versus O | |
10 O | |
. O | |
6 O | |
micromol O | |
/ O | |
L O | |
, O | |
P O | |
= O | |
0 O | |
. O | |
3 O | |
; O | |
patients O | |
with O | |
diabetes B | |
: O | |
0 O | |
. O | |
7 O | |
versus O | |
0 O | |
. O | |
16 O | |
mg O | |
/ O | |
dL O | |
, O | |
6 O | |
. O | |
2 O | |
versus O | |
14 O | |
. O | |
1 O | |
micromol O | |
/ O | |
L O | |
, O | |
P O | |
= O | |
0 O | |
. O | |
1 O | |
). O | |
CONCLUSIONS O | |
: O | |
The O | |
rate O | |
of O | |
contrast O | |
- O | |
induced O | |
nephropathy B | |
, O | |
defined O | |
by O | |
multiple O | |
end O | |
points O | |
, O | |
is O | |
not O | |
statistically O | |
different O | |
after O | |
the O | |
intraarterial O | |
administration O | |
of O | |
iopamidol O | |
or O | |
iodixanol O | |
to O | |
high O | |
- O | |
risk O | |
patients O | |
, O | |
with O | |
or O | |
without O | |
diabetes B | |
mellitus I | |
. O | |
Any O | |
TRUE O | |
difference O | |
between O | |
the O | |
agents O | |
is O | |
small O | |
and O | |
not O | |
likely O | |
to O | |
be O | |
clinically O | |
significant O | |
. O | |
Estrogen O | |
prevents O | |
cholesteryl O | |
ester O | |
accumulation O | |
in O | |
macrophages O | |
induced O | |
by O | |
the O | |
HIV O | |
protease O | |
inhibitor O | |
ritonavir O | |
. O | |
Individuals O | |
with O | |
HIV B | |
can O | |
now O | |
live O | |
long O | |
lives O | |
with O | |
drug O | |
therapy O | |
that O | |
often O | |
includes O | |
protease O | |
inhibitors O | |
such O | |
as O | |
ritonavir O | |
. O | |
Many O | |
patients O | |
, O | |
however O | |
, O | |
develop O | |
negative O | |
long O | |
- O | |
term O | |
side O | |
effects O | |
such O | |
as O | |
premature O | |
atherosclerosis B | |
. O | |
We O | |
have O | |
previously O | |
demonstrated O | |
that O | |
ritonavir O | |
treatment O | |
increases O | |
atherosclerotic B | |
lesion I | |
formation O | |
in O | |
male O | |
mice O | |
to O | |
a O | |
greater O | |
extent O | |
than O | |
in O | |
female O | |
mice O | |
. O | |
Furthermore O | |
, O | |
peripheral O | |
blood O | |
monocytes O | |
isolated O | |
from O | |
ritonavir O | |
- O | |
treated O | |
females O | |
had O | |
less O | |
cholesteryl O | |
ester O | |
accumulation O | |
. O | |
In O | |
the O | |
present O | |
study O | |
, O | |
we O | |
have O | |
investigated O | |
the O | |
molecular O | |
mechanisms O | |
by O | |
which O | |
female O | |
hormones O | |
influence O | |
cholesterol O | |
metabolism O | |
in O | |
macrophages O | |
in O | |
response O | |
to O | |
the O | |
HIV O | |
protease O | |
inhibitor O | |
ritonavir O | |
. O | |
We O | |
have O | |
utilized O | |
the O | |
human O | |
monocyte O | |
cell O | |
line O | |
, O | |
THP O | |
- O | |
1 O | |
as O | |
a O | |
model O | |
to O | |
address O | |
this O | |
question O | |
. O | |
Briefly O | |
, O | |
cells O | |
were O | |
differentiated O | |
for O | |
72 O | |
h O | |
with O | |
100 O | |
nM O | |
PMA O | |
to O | |
obtain O | |
a O | |
macrophage O | |
- O | |
like O | |
phenotype O | |
in O | |
the O | |
presence O | |
or O | |
absence O | |
of O | |
1 O | |
nM O | |
17beta O | |
- O | |
estradiol O | |
( O | |
E2 O | |
), O | |
100 O | |
nM O | |
progesterone O | |
or O | |
vehicle O | |
( O | |
0 O | |
. O | |
1 O | |
% O | |
ethanol O | |
). O | |
Cells O | |
were O | |
then O | |
treated O | |
with O | |
30 O | |
ng O | |
/ O | |
ml O | |
ritonavir O | |
or O | |
vehicle O | |
in O | |
the O | |
presence O | |
of O | |
aggregated O | |
LDL O | |
for O | |
24 O | |
h O | |
. O | |
Cell O | |
extracts O | |
were O | |
harvested O | |
, O | |
and O | |
lipid O | |
or O | |
total O | |
RNA O | |
was O | |
isolated O | |
. O | |
E2 O | |
decreased O | |
the O | |
accumulation O | |
of O | |
cholesteryl O | |
esters O | |
in O | |
macrophages O | |
following O | |
ritonavir O | |
treatment O | |
. O | |
Ritonavir O | |
increased O | |
the O | |
expression O | |
of O | |
the O | |
scavenger O | |
receptor O | |
, O | |
CD36 O | |
mRNA O | |
, O | |
responsible O | |
for O | |
the O | |
uptake O | |
of O | |
LDL O | |
. O | |
Additionally O | |
, O | |
ritonavir O | |
treatment O | |
selectively O | |
increased O | |
the O | |
relative O | |
levels O | |
of O | |
PPARgamma O | |
mRNA O | |
, O | |
a O | |
transcription O | |
factor O | |
responsible O | |
for O | |
the O | |
regulation O | |
of O | |
CD36 O | |
mRNA O | |
expression O | |
. O | |
Treatment O | |
with O | |
E2 O | |
, O | |
however O | |
, O | |
failed O | |
to O | |
prevent O | |
these O | |
increases O | |
at O | |
the O | |
mRNA O | |
level O | |
. O | |
E2 O | |
did O | |
, O | |
however O | |
, O | |
significantly O | |
suppress O | |
CD36 O | |
protein O | |
levels O | |
as O | |
measured O | |
by O | |
fluorescent O | |
immunocytochemistry O | |
. O | |
This O | |
data O | |
suggests O | |
that O | |
E2 O | |
modifies O | |
the O | |
expression O | |
of O | |
CD36 O | |
at O | |
the O | |
level O | |
of O | |
protein O | |
expression O | |
in O | |
monocyte O | |
- O | |
derived O | |
macrophages O | |
resulting O | |
in O | |
reduced O | |
cholesteryl O | |
ester O | |
accumulation O | |
following O | |
ritonavir O | |
treatment O | |
. O | |
Clinical O | |
comparison O | |
of O | |
cardiorespiratory O | |
effects O | |
during O | |
unilateral O | |
and O | |
conventional O | |
spinal O | |
anaesthesia O | |
. O | |
BACKGROUND O | |
: O | |
Spinal O | |
anaesthesia O | |
is O | |
widely O | |
employed O | |
in O | |
clinical O | |
practice O | |
but O | |
has O | |
the O | |
main O | |
drawback O | |
of O | |
post O | |
- O | |
spinal O | |
block O | |
hypotension B | |
. O | |
Efforts O | |
must O | |
therefore O | |
continue O | |
to O | |
be O | |
made O | |
to O | |
obviate O | |
this O | |
setback O | |
OBJECTIVE O | |
: O | |
To O | |
evaluate O | |
the O | |
cardiovascular O | |
and O | |
respiratory O | |
changes O | |
during O | |
unilateral O | |
and O | |
conventional O | |
spinal O | |
anaesthesia O | |
. O | |
METHODS O | |
: O | |
With O | |
ethical O | |
approval O | |
, O | |
we O | |
studied O | |
74 O | |
American O | |
Society O | |
of O | |
Anesthesiologists O | |
( O | |
ASA O | |
), O | |
physical O | |
status O | |
class O | |
1 O | |
and O | |
2 O | |
patients O | |
scheduled O | |
for O | |
elective O | |
unilateral O | |
lower O | |
limb O | |
surgery O | |
. O | |
Patients O | |
were O | |
randomly O | |
allocated O | |
into O | |
one O | |
of O | |
two O | |
groups O | |
: O | |
lateral O | |
and O | |
conventional O | |
spinal O | |
anaesthesia O | |
groups O | |
. O | |
In O | |
the O | |
lateral O | |
position O | |
with O | |
operative O | |
side O | |
down O | |
, O | |
patients O | |
recived O | |
10 O | |
mg O | |
( O | |
2mls O | |
) O | |
of O | |
0 O | |
. O | |
5 O | |
% O | |
hyperbaric O | |
bupivacaine O | |
through O | |
a O | |
25 O | |
- O | |
gauge O | |
spinal O | |
needle O | |
. O | |
Patients O | |
in O | |
the O | |
unilateral O | |
group O | |
were O | |
maintained O | |
in O | |
the O | |
lateral O | |
position O | |
for O | |
15 O | |
minutes O | |
following O | |
spinal O | |
injection O | |
while O | |
those O | |
in O | |
the O | |
conventional O | |
group O | |
were O | |
turned O | |
supine O | |
immediately O | |
after O | |
injection O | |
. O | |
Blood O | |
pressure O | |
, O | |
heart O | |
rate O | |
, O | |
respiratory O | |
rate O | |
and O | |
oxygen O | |
saturation O | |
were O | |
monitored O | |
over O | |
1 O | |
hour O | |
. O | |
RESULTS O | |
: O | |
Three O | |
patients O | |
( O | |
8 O | |
. O | |
1 O | |
%) O | |
in O | |
the O | |
unilateral O | |
group O | |
and O | |
5 O | |
( O | |
13 O | |
. O | |
5 O | |
%) O | |
in O | |
the O | |
conventional O | |
group O | |
developed O | |
hypotension B | |
, O | |
P O | |
= O | |
0 O | |
. O | |
71 O | |
. O | |
Four O | |
( O | |
10 O | |
. O | |
8 O | |
%) O | |
patients O | |
in O | |
the O | |
conventional O | |
group O | |
and O | |
1 O | |
( O | |
2 O | |
. O | |
7 O | |
%) O | |
in O | |
the O | |
unilateral O | |
group O | |
, O | |
P O | |
= O | |
0 O | |
. O | |
17 O | |
required O | |
epinephrine O | |
infusion O | |
to O | |
treat O | |
hypotension B | |
. O | |
Patients O | |
in O | |
the O | |
conventional O | |
group O | |
had O | |
statistically O | |
significant O | |
greater O | |
fall O | |
in O | |
the O | |
systolic O | |
blood O | |
pressures O | |
at O | |
15 O | |
, O | |
30 O | |
and O | |
45 O | |
minutes O | |
when O | |
compared O | |
to O | |
the O | |
baseline O | |
( O | |
P O | |
= O | |
0 O | |
. O | |
3 O | |
, O | |
0 O | |
. O | |
1 O | |
and O | |
0 O | |
. O | |
4 O | |
). O | |
The O | |
mean O | |
respiratory O | |
rate O | |
and O | |
oxygen O | |
saturations O | |
in O | |
the O | |
two O | |
groups O | |
were O | |
similar O | |
. O | |
CONCLUSION O | |
: O | |
Compared O | |
to O | |
conventional O | |
spinal O | |
anaesthesia O | |
, O | |
unilateral O | |
spinal O | |
anaesthesia O | |
was O | |
associated O | |
with O | |
fewer O | |
cardiovascular B | |
perturbations I | |
. O | |
Also O | |
, O | |
the O | |
type O | |
of O | |
spinal O | |
block O | |
instituted O | |
affected O | |
neither O | |
the O | |
respiratory O | |
rate O | |
nor O | |
the O | |
arterial O | |
oxygen O | |
saturation O | |
. O | |
Acute O | |
effects O | |
of O | |
N O | |
-( O | |
2 O | |
- O | |
propylpentanoyl O | |
) O | |
urea O | |
on O | |
hippocampal O | |
amino O | |
acid O | |
neurotransmitters O | |
in O | |
pilocarpine O | |
- O | |
induced O | |
seizure B | |
in O | |
rats O | |
. O | |
The O | |
present O | |
study O | |
aimed O | |
to O | |
investigate O | |
the O | |
anticonvulsant O | |
activity O | |
as O | |
well O | |
as O | |
the O | |
effects O | |
on O | |
the O | |
level O | |
of O | |
hippocampal O | |
amino O | |
acid O | |
neurotransmitters O | |
( O | |
glutamate O | |
, O | |
aspartate O | |
, O | |
glycine O | |
and O | |
GABA O | |
) O | |
of O | |
N O | |
-( O | |
2 O | |
- O | |
propylpentanoyl O | |
) O | |
urea O | |
( O | |
VPU O | |
) O | |
in O | |
comparison O | |
to O | |
its O | |
parent O | |
compound O | |
, O | |
valproic O | |
acid O | |
( O | |
VPA O | |
). O | |
VPU O | |
was O | |
more O | |
potent O | |
than O | |
VPA O | |
, O | |
exhibiting O | |
the O | |
median O | |
effective O | |
dose O | |
( O | |
ED O | |
( O | |
50 O | |
)) O | |
of O | |
49 O | |
mg O | |
/ O | |
kg O | |
in O | |
protecting O | |
rats O | |
against O | |
pilocarpine O | |
- O | |
induced O | |
seizure B | |
whereas O | |
the O | |
corresponding O | |
value O | |
for O | |
VPA O | |
was O | |
322 O | |
mg O | |
/ O | |
kg O | |
. O | |
In O | |
vivo O | |
microdialysis O | |
demonstrated O | |
that O | |
an O | |
intraperitoneal O | |
administration O | |
of O | |
pilocarpine O | |
induced O | |
a O | |
pronounced O | |
increment O | |
of O | |
hippocampal O | |
glutamate O | |
and O | |
aspartate O | |
whereas O | |
no O | |
significant O | |
change O | |
was O | |
observed O | |
on O | |
the O | |
level O | |
of O | |
glycine O | |
and O | |
GABA O | |
. O | |
Pretreatment O | |
with O | |
either O | |
VPU O | |
( O | |
50 O | |
and O | |
100 O | |
mg O | |
/ O | |
kg O | |
) O | |
or O | |
VPA O | |
( O | |
300 O | |
and O | |
600 O | |
mg O | |
/ O | |
kg O | |
) O | |
completely O | |
abolished O | |
pilocarpine O | |
- O | |
evoked O | |
increases O | |
in O | |
extracellular O | |
glutamate O | |
and O | |
aspartate O | |
. O | |
In O | |
addition O | |
, O | |
a O | |
statistically O | |
significant O | |
reduction O | |
was O | |
also O | |
observed O | |
on O | |
the O | |
level O | |
of O | |
GABA O | |
and O | |
glycine O | |
but O | |
less O | |
than O | |
a O | |
drastic O | |
reduction O | |
of O | |
glutamate O | |
and O | |
aspartate O | |
level O | |
. O | |
Based O | |
on O | |
the O | |
finding O | |
that O | |
VPU O | |
and O | |
VPA O | |
could O | |
protect O | |
the O | |
animals O | |
against O | |
pilocarpine O | |
- O | |
induced O | |
seizure B | |
it O | |
is O | |
suggested O | |
that O | |
the O | |
reduction O | |
of O | |
inhibitory O | |
amino O | |
acid O | |
neurotransmitters O | |
was O | |
comparatively O | |
minor O | |
and O | |
offset O | |
by O | |
a O | |
pronounced O | |
reduction O | |
of O | |
glutamate O | |
and O | |
aspartate O | |
. O | |
Therefore O | |
, O | |
like O | |
VPA O | |
, O | |
the O | |
finding O | |
that O | |
VPU O | |
could O | |
drastically O | |
reduce O | |
pilocarpine O | |
- O | |
induced O | |
increases O | |
in O | |
glutamate O | |
and O | |
aspartate O | |
should O | |
account O | |
, O | |
at O | |
least O | |
partly O | |
, O | |
for O | |
its O | |
anticonvulsant O | |
activity O | |
observed O | |
in O | |
pilocarpine O | |
- O | |
induced O | |
seizure B | |
in O | |
experimental O | |
animals O | |
. O | |
Some O | |
other O | |
mechanism O | |
than O | |
those O | |
being O | |
reported O | |
herein O | |
should O | |
be O | |
further O | |
investigated O | |
. O | |
Delirium B | |
in O | |
a O | |
patient O | |
with O | |
toxic O | |
flecainide O | |
plasma O | |
concentrations O | |
: O | |
the O | |
role O | |
of O | |
a O | |
pharmacokinetic O | |
drug O | |
interaction O | |
with O | |
paroxetine O | |
. O | |
OBJECTIVE O | |
: O | |
To O | |
describe O | |
a O | |
case O | |
of O | |
flecainide O | |
- O | |
induced O | |
delirium B | |
associated O | |
with O | |
a O | |
pharmacokinetic O | |
drug O | |
interaction O | |
with O | |
paroxetine O | |
. O | |
CASE O | |
SUMMARY O | |
: O | |
A O | |
69 O | |
- O | |
year O | |
- O | |
old O | |
white O | |
female O | |
presented O | |
to O | |
the O | |
emergency O | |
department O | |
with O | |
a O | |
history O | |
of O | |
confusion B | |
and O | |
paranoia B | |
over O | |
the O | |
past O | |
several O | |
days O | |
. O | |
On O | |
admission O | |
the O | |
patient O | |
was O | |
taking O | |
carvedilol O | |
12 O | |
mg O | |
twice O | |
daily O | |
, O | |
warfarin O | |
2 O | |
mg O | |
/ O | |
day O | |
, O | |
folic O | |
acid O | |
1 O | |
mg O | |
/ O | |
day O | |
, O | |
levothyroxine O | |
100 O | |
microg O | |
/ O | |
day O | |
, O | |
pantoprazole O | |
40 O | |
mg O | |
/ O | |
day O | |
, O | |
paroxetine O | |
40 O | |
mg O | |
/ O | |
day O | |
, O | |
and O | |
flecainide O | |
100 O | |
mg O | |
twice O | |
daily O | |
. O | |
Flecainide O | |
had O | |
been O | |
started O | |
2 O | |
weeks O | |
prior O | |
for O | |
atrial B | |
fibrillation I | |
. O | |
Laboratory O | |
test O | |
findings O | |
on O | |
admission O | |
were O | |
notable O | |
only O | |
for O | |
a O | |
flecainide O | |
plasma O | |
concentration O | |
of O | |
1360 O | |
microg O | |
/ O | |
L O | |
( O | |
reference O | |
range O | |
200 O | |
- O | |
1000 O | |
). O | |
A O | |
metabolic O | |
drug O | |
interaction O | |
between O | |
flecainide O | |
and O | |
paroxetine O | |
, O | |
which O | |
the O | |
patient O | |
had O | |
been O | |
taking O | |
for O | |
more O | |
than O | |
5 O | |
years O | |
, O | |
was O | |
considered O | |
. O | |
Paroxetine O | |
was O | |
discontinued O | |
and O | |
the O | |
dose O | |
of O | |
flecainide O | |
was O | |
reduced O | |
to O | |
50 O | |
mg O | |
twice O | |
daily O | |
. O | |
Her O | |
delirium B | |
resolved O | |
3 O | |
days O | |
later O | |
. O | |
DISCUSSION O | |
: O | |
Flecainide O | |
and O | |
pharmacologically O | |
similar O | |
agents O | |
that O | |
interact O | |
with O | |
sodium O | |
channels O | |
may O | |
cause O | |
delirium B | |
in O | |
susceptible O | |
patients O | |
. O | |
A O | |
MEDLINE O | |
search O | |
( O | |
1966 O | |
- O | |
January O | |
2009 O | |
) O | |
revealed O | |
one O | |
in O | |
vivo O | |
pharmacokinetic O | |
study O | |
on O | |
the O | |
interaction O | |
between O | |
flecainide O | |
, O | |
a O | |
CYP2D6 O | |
substrate O | |
, O | |
and O | |
paroxetine O | |
, O | |
a O | |
CYP2D6 O | |
inhibitor O | |
, O | |
as O | |
well O | |
as O | |
3 O | |
case O | |
reports O | |
of O | |
flecainide O | |
- O | |
induced O | |
delirium B | |
. O | |
According O | |
to O | |
the O | |
Naranjo O | |
probability O | |
scale O | |
, O | |
flecainide O | |
was O | |
the O | |
probable O | |
cause O | |
of O | |
the O | |
patient O | |
' O | |
s O | |
delirium B | |
; O | |
the O | |
Horn O | |
Drug O | |
Interaction O | |
Probability O | |
Scale O | |
indicates O | |
a O | |
possible O | |
pharmacokinetic O | |
drug O | |
interaction O | |
between O | |
flecainide O | |
and O | |
paroxetine O | |
. O | |
CONCLUSIONS O | |
: O | |
Supratherapeutic O | |
flecainide O | |
plasma O | |
concentrations O | |
may O | |
cause O | |
delirium B | |
. O | |
Because O | |
toxicity B | |
may O | |
occur O | |
when O | |
flecainide O | |
is O | |
prescribed O | |
with O | |
paroxetine O | |
and O | |
other O | |
potent O | |
CYP2D6 O | |
inhibitors O | |
, O | |
flecainide O | |
plasma O | |
concentrations O | |
should O | |
be O | |
monitored O | |
closely O | |
with O | |
commencement O | |
of O | |
CYP2D6 O | |
inhibitors O | |
. O | |
Depression B | |
, O | |
impulsiveness B | |
, O | |
sleep O | |
, O | |
and O | |
memory O | |
in O | |
past O | |
and O | |
present O | |
polydrug O | |
users O | |
of O | |
3 O | |
, O | |
4 O | |
- O | |
methylenedioxymethamphetamine O | |
( O | |
MDMA O | |
, O | |
ecstasy O | |
). O | |
RATIONALE O | |
: O | |
Ecstasy O | |
( O | |
3 O | |
, O | |
4 O | |
- O | |
methylenedioxymethamphetamine O | |
, O | |
MDMA O | |
) O | |
is O | |
a O | |
worldwide O | |
recreational O | |
drug O | |
of O | |
abuse O | |
. O | |
Unfortunately O | |
, O | |
the O | |
results O | |
from O | |
human O | |
research O | |
investigating O | |
its O | |
psychological O | |
effects O | |
have O | |
been O | |
inconsistent O | |
. O | |
OBJECTIVES O | |
: O | |
The O | |
present O | |
study O | |
aimed O | |
to O | |
be O | |
the O | |
largest O | |
to O | |
date O | |
in O | |
sample O | |
size O | |
and O | |
5HT O | |
- O | |
related O | |
behaviors O | |
; O | |
the O | |
first O | |
to O | |
compare O | |
present O | |
ecstasy O | |
users O | |
with O | |
past O | |
users O | |
after O | |
an O | |
abstinence O | |
of O | |
4 O | |
or O | |
more O | |
years O | |
, O | |
and O | |
the O | |
first O | |
to O | |
include O | |
robust O | |
controls O | |
for O | |
other O | |
recreational O | |
substances O | |
. O | |
METHODS O | |
: O | |
A O | |
sample O | |
of O | |
997 O | |
participants O | |
( O | |
52 O | |
% O | |
male O | |
) O | |
was O | |
recruited O | |
to O | |
four O | |
control O | |
groups O | |
( O | |
non O | |
- O | |
drug O | |
( O | |
ND O | |
), O | |
alcohol O | |
/ O | |
nicotine O | |
( O | |
AN O | |
), O | |
cannabis O | |
/ O | |
alcohol O | |
/ O | |
nicotine O | |
( O | |
CAN O | |
), O | |
non O | |
- O | |
ecstasy O | |
polydrug O | |
( O | |
PD O | |
)), O | |
and O | |
two O | |
ecstasy O | |
polydrug O | |
groups O | |
( O | |
present O | |
( O | |
MDMA O | |
) O | |
and O | |
past O | |
users O | |
( O | |
EX O | |
- O | |
MDMA O | |
). O | |
Participants O | |
completed O | |
a O | |
drug O | |
history O | |
questionnaire O | |
, O | |
Beck O | |
Depression B | |
Inventory O | |
, O | |
Barratt O | |
Impulsiveness B | |
Scale O | |
, O | |
Pittsburgh O | |
Sleep O | |
Quality O | |
Index O | |
, O | |
and O | |
Wechsler O | |
Memory O | |
Scale O | |
- O | |
Revised O | |
which O | |
, O | |
in O | |
total O | |
, O | |
provided O | |
13 O | |
psychometric O | |
measures O | |
. O | |
RESULTS O | |
: O | |
While O | |
the O | |
CAN B | |
and O | |
PD B | |
groups O | |
tended O | |
to O | |
record O | |
greater O | |
deficits O | |
than O | |
the O | |
non O | |
- O | |
drug O | |
controls O | |
, O | |
the O | |
MDMA O | |
and O | |
EX O | |
- O | |
MDMA O | |
groups O | |
recorded O | |
greater O | |
deficits O | |
than O | |
all O | |
the O | |
control O | |
groups O | |
on O | |
ten O | |
of O | |
the O | |
13 O | |
psychometric O | |
measures O | |
. O | |
Strikingly O | |
, O | |
despite O | |
prolonged O | |
abstinence O | |
( O | |
mean O | |
, O | |
4 O | |
. O | |
98 O | |
; O | |
range O | |
, O | |
4 O | |
- O | |
9 O | |
years O | |
), O | |
past O | |
ecstasy O | |
users O | |
showed O | |
few O | |
signs O | |
of O | |
recovery O | |
. O | |
Compared O | |
with O | |
present O | |
ecstasy O | |
users O | |
, O | |
the O | |
past O | |
users O | |
showed O | |
no O | |
change O | |
for O | |
ten O | |
measures O | |
, O | |
increased O | |
impairment O | |
for O | |
two O | |
measures O | |
, O | |
and O | |
improvement O | |
on O | |
just O | |
one O | |
measure O | |
. O | |
CONCLUSIONS O | |
: O | |
Given O | |
this O | |
record O | |
of O | |
impaired B | |
memory I | |
and O | |
clinically O | |
significant O | |
levels O | |
of O | |
depression B | |
, O | |
impulsiveness B | |
, O | |
and O | |
sleep B | |
disturbance I | |
, O | |
the O | |
prognosis O | |
for O | |
the O | |
current O | |
generation O | |
of O | |
ecstasy O | |
users O | |
is O | |
a O | |
major O | |
cause O | |
for O | |
concern O | |
. O | |
A O | |
comparison O | |
of O | |
severe O | |
hemodynamic B | |
disturbances I | |
between O | |
dexmedetomidine O | |
and O | |
propofol O | |
for O | |
sedation O | |
in O | |
neurocritical O | |
care O | |
patients O | |
. O | |
OBJECTIVE O | |
: O | |
Dexmedetomidine O | |
and O | |
propofol O | |
are O | |
commonly O | |
used O | |
sedatives O | |
in O | |
neurocritical O | |
care O | |
as O | |
they O | |
allow O | |
for O | |
frequent O | |
neurologic O | |
examinations O | |
. O | |
However O | |
, O | |
both O | |
agents O | |
are O | |
associated O | |
with O | |
significant O | |
hemodynamic O | |
side O | |
effects O | |
. O | |
The O | |
primary O | |
objective O | |
of O | |
this O | |
study O | |
is O | |
to O | |
compare O | |
the O | |
prevalence O | |
of O | |
severe O | |
hemodynamic O | |
effects O | |
in O | |
neurocritical O | |
care O | |
patients O | |
receiving O | |
dexmedetomidine O | |
and O | |
propofol O | |
. O | |
DESIGN O | |
: O | |
Multicenter O | |
, O | |
retrospective O | |
, O | |
propensity O | |
- O | |
matched O | |
cohort O | |
study O | |
. O | |
SETTING O | |
: O | |
Neurocritical O | |
care O | |
units O | |
at O | |
two O | |
academic O | |
medical O | |
centers O | |
with O | |
dedicated O | |
neurocritical O | |
care O | |
teams O | |
and O | |
board O | |
- O | |
certified O | |
neurointensivists O | |
. O | |
PATIENTS O | |
: O | |
Neurocritical O | |
care O | |
patients O | |
admitted O | |
between O | |
July O | |
2009 O | |
and O | |
September O | |
2012 O | |
were O | |
evaluated O | |
and O | |
then O | |
matched O | |
1 O | |
: O | |
1 O | |
based O | |
on O | |
propensity O | |
scoring O | |
of O | |
baseline O | |
characteristics O | |
. O | |
INTERVENTIONS O | |
: O | |
Continuous O | |
sedation O | |
with O | |
dexmedetomidine O | |
or O | |
propofol O | |
. O | |
MEASUREMENTS O | |
AND O | |
MAIN O | |
RESULTS O | |
: O | |
A O | |
total O | |
of O | |
342 O | |
patients O | |
( O | |
105 O | |
dexmedetomidine O | |
and O | |
237 O | |
propofol O | |
) O | |
were O | |
included O | |
in O | |
the O | |
analysis O | |
, O | |
with O | |
190 O | |
matched O | |
( O | |
95 O | |
in O | |
each O | |
group O | |
) O | |
by O | |
propensity O | |
score O | |
. O | |
The O | |
primary O | |
outcome O | |
of O | |
this O | |
study O | |
was O | |
a O | |
composite O | |
of O | |
severe O | |
hypotension B | |
( O | |
mean O | |
arterial O | |
pressure O | |
< O | |
60 O | |
mm O | |
Hg O | |
) O | |
and O | |
bradycardia B | |
( O | |
heart O | |
rate O | |
< O | |
50 O | |
beats O | |
/ O | |
min O | |
) O | |
during O | |
sedative O | |
infusion O | |
. O | |
No O | |
difference O | |
in O | |
the O | |
primary O | |
composite O | |
outcome O | |
in O | |
both O | |
the O | |
unmatched O | |
( O | |
30 O | |
% O | |
vs O | |
30 O | |
%, O | |
p O | |
= O | |
0 O | |
. O | |
94 O | |
) O | |
or O | |
matched O | |
cohorts O | |
( O | |
28 O | |
% O | |
vs O | |
34 O | |
%, O | |
p O | |
= O | |
0 O | |
. O | |
35 O | |
) O | |
could O | |
be O | |
found O | |
. O | |
When O | |
analyzed O | |
separately O | |
, O | |
no O | |
differences O | |
could O | |
be O | |
found O | |
in O | |
the O | |
prevalence O | |
of O | |
severe O | |
hypotension B | |
or O | |
bradycardia B | |
in O | |
either O | |
the O | |
unmatched O | |
or O | |
matched O | |
cohorts O | |
. O | |
CONCLUSIONS O | |
: O | |
Severe O | |
hypotension B | |
and O | |
bradycardia B | |
occur O | |
at O | |
similar O | |
prevalence O | |
in O | |
neurocritical O | |
care O | |
patients O | |
who O | |
receive O | |
dexmedetomidine O | |
or O | |
propofol O | |
. O | |
Providers O | |
should O | |
similarly O | |
consider O | |
the O | |
likelihood O | |
of O | |
hypotension B | |
or O | |
bradycardia B | |
before O | |
starting O | |
either O | |
sedative O | |
. O | |
Effects O | |
of O | |
dehydroepiandrosterone O | |
in O | |
amphetamine O | |
- O | |
induced O | |
schizophrenia B | |
models O | |
in O | |
mice O | |
. O | |
OBJECTIVE O | |
: O | |
To O | |
examine O | |
the O | |
effects O | |
of O | |
dehydroepiandrosterone O | |
( O | |
DHEA O | |
) O | |
on O | |
animal O | |
models O | |
of O | |
schizophrenia B | |
. O | |
METHODS O | |
: O | |
Seventy O | |
Swiss O | |
albino O | |
female O | |
mice O | |
( O | |
25 O | |
- O | |
35 O | |
g O | |
) O | |
were O | |
divided O | |
into O | |
4 O | |
groups O | |
: O | |
amphetamine O | |
- O | |
free O | |
( O | |
control O | |
), O | |
amphetamine O | |
, O | |
50 O | |
, O | |
and O | |
100 O | |
mg O | |
/ O | |
kg O | |
DHEA O | |
. O | |
The O | |
DHEA O | |
was O | |
administered O | |
intraperitoneally O | |
( O | |
ip O | |
) O | |
for O | |
5 O | |
days O | |
. O | |
Amphetamine O | |
( O | |
3 O | |
mg O | |
/ O | |
kg O | |
ip O | |
) O | |
induced O | |
hyper B | |
locomotion I | |
, O | |
apomorphine O | |
( O | |
1 O | |
. O | |
5 O | |
mg O | |
/ O | |
kg O | |
subcutaneously O | |
[ O | |
sc O | |
]) O | |
induced O | |
climbing O | |
, O | |
and O | |
haloperidol O | |
( O | |
1 O | |
. O | |
5 O | |
mg O | |
/ O | |
kg O | |
sc O | |
) O | |
induced O | |
catalepsy B | |
tests O | |
were O | |
used O | |
as O | |
animal O | |
models O | |
of O | |
schizophrenia B | |
. O | |
The O | |
study O | |
was O | |
conducted O | |
at O | |
the O | |
Animal O | |
Experiment O | |
Laboratories O | |
, O | |
Department O | |
of O | |
Pharmacology O | |
, O | |
Medical O | |
School O | |
, O | |
Eskisehir O | |
Osmangazi O | |
University O | |
, O | |
Eskisehir O | |
, O | |
Turkey O | |
between O | |
March O | |
and O | |
May O | |
2012 O | |
. O | |
Statistical O | |
analysis O | |
was O | |
carried O | |
out O | |
using O | |
Kruskal O | |
- O | |
Wallis O | |
test O | |
for O | |
hyper B | |
locomotion I | |
, O | |
and O | |
one O | |
- O | |
way O | |
ANOVA O | |
for O | |
climbing O | |
and O | |
catalepsy B | |
tests O | |
. O | |
RESULTS O | |
: O | |
In O | |
the O | |
amphetamine O | |
- O | |
induced O | |
locomotion O | |
test O | |
, O | |
there O | |
were O | |
significant O | |
increases O | |
in O | |
all O | |
movements O | |
compared O | |
with O | |
the O | |
amphetamine O | |
- O | |
free O | |
group O | |
. O | |
Both O | |
DHEA O | |
50 O | |
mg O | |
/ O | |
kg O | |
( O | |
p O | |
< O | |
0 O | |
. O | |
5 O | |
), O | |
and O | |
100 O | |
mg O | |
/ O | |
kg O | |
( O | |
p O | |
< O | |
0 O | |
. O | |
1 O | |
) O | |
significantly O | |
decreased O | |
all O | |
movements O | |
compared O | |
with O | |
the O | |
amphetamine O | |
- O | |
induced O | |
locomotion O | |
group O | |
. O | |
There O | |
was O | |
a O | |
significant O | |
difference O | |
between O | |
groups O | |
in O | |
the O | |
haloperidol O | |
- O | |
induced O | |
catalepsy B | |
test O | |
( O | |
p O | |
< O | |
0 O | |
. O | |
5 O | |
). O | |
There O | |
was O | |
no O | |
significant O | |
difference O | |
between O | |
groups O | |
in O | |
terms O | |
of O | |
total O | |
climbing O | |
time O | |
in O | |
the O | |
apomorphine O | |
- O | |
induced O | |
climbing O | |
test O | |
( O | |
p O | |
> O | |
0 O | |
. O | |
5 O | |
). O | |
CONCLUSION O | |
: O | |
We O | |
observed O | |
that O | |
DHEA O | |
reduced O | |
locomotor O | |
activity O | |
and O | |
increased O | |
catalepsy B | |
at O | |
both O | |
doses O | |
, O | |
while O | |
it O | |
had O | |
no O | |
effect O | |
on O | |
climbing O | |
behavior O | |
. O | |
We O | |
suggest O | |
that O | |
DHEA O | |
displays O | |
typical O | |
neuroleptic O | |
- O | |
like O | |
effects O | |
, O | |
and O | |
may O | |
be O | |
used O | |
in O | |
the O | |
treatment O | |
of O | |
schizophrenia B | |
. O | |
Aconitine O | |
- O | |
induced O | |
Ca2 O | |
+ O | |
overload O | |
causes O | |
arrhythmia B | |
and O | |
triggers O | |
apoptosis O | |
through O | |
p38 O | |
MAPK O | |
signaling O | |
pathway O | |
in O | |
rats O | |
. O | |
Aconitine O | |
is O | |
a O | |
major O | |
bioactive O | |
diterpenoid O | |
alkaloid O | |
with O | |
high O | |
content O | |
derived O | |
from O | |
herbal O | |
aconitum O | |
plants O | |
. O | |
Emerging O | |
evidence O | |
indicates O | |
that O | |
voltage O | |
- O | |
dependent O | |
Na O | |
(+) O | |
channels O | |
have O | |
pivotal O | |
roles O | |
in O | |
the O | |
cardiotoxicity B | |
of O | |
aconitine O | |
. O | |
However O | |
, O | |
no O | |
reports O | |
are O | |
available O | |
on O | |
the O | |
role O | |
of O | |
Ca O | |
( O | |
2 O | |
+) O | |
in O | |
aconitine B | |
poisoning I | |
. O | |
In O | |
this O | |
study O | |
, O | |
we O | |
explored O | |
the O | |
importance O | |
of O | |
pathological O | |
Ca O | |
( O | |
2 O | |
+) O | |
signaling O | |
in O | |
aconitine B | |
poisoning I | |
in O | |
vitro O | |
and O | |
in O | |
vivo O | |
. O | |
We O | |
found O | |
that O | |
Ca O | |
( O | |
2 O | |
+) O | |
overload O | |
lead O | |
to O | |
accelerated O | |
beating O | |
rhythm O | |
in O | |
adult O | |
rat O | |
ventricular O | |
myocytes O | |
and O | |
caused O | |
arrhythmia B | |
in O | |
conscious O | |
freely O | |
moving O | |
rats O | |
. O | |
To O | |
investigate O | |
effects O | |
of O | |
aconitine O | |
on O | |
myocardial B | |
injury I | |
, O | |
we O | |
performed O | |
cytotoxicity B | |
assay O | |
in O | |
neonatal O | |
rat O | |
ventricular O | |
myocytes O | |
( O | |
NRVMs O | |
), O | |
as O | |
well O | |
as O | |
measured O | |
lactate O | |
dehydrogenase O | |
level O | |
in O | |
the O | |
culture O | |
medium O | |
of O | |
NRVMs O | |
and O | |
activities O | |
of O | |
serum O | |
cardiac O | |
enzymes O | |
in O | |
rats O | |
. O | |
The O | |
results O | |
showed O | |
that O | |
aconitine O | |
resulted O | |
in O | |
myocardial B | |
injury I | |
and O | |
reduced O | |
NRVMs O | |
viability O | |
dose O | |
- O | |
dependently O | |
. O | |
To O | |
confirm O | |
the O | |
pro O | |
- O | |
apoptotic O | |
effects O | |
, O | |
we O | |
performed O | |
flow O | |
cytometric O | |
detection O | |
, O | |
cardiac O | |
histology O | |
, O | |
transmission O | |
electron O | |
microscopy O | |
and O | |
terminal O | |
deoxynucleotidyl O | |
transferase O | |
- O | |
mediated O | |
dUTP O | |
- O | |
biotin O | |
nick O | |
end O | |
labeling O | |
assay O | |
. O | |
The O | |
results O | |
showed O | |
that O | |
aconitine O | |
stimulated O | |
apoptosis O | |
time O | |
- O | |
dependently O | |
. O | |
The O | |
expression O | |
analysis O | |
of O | |
Ca O | |
( O | |
2 O | |
+) O | |
handling O | |
proteins O | |
demonstrated O | |
that O | |
aconitine O | |
promoted O | |
Ca O | |
( O | |
2 O | |
+) O | |
overload O | |
through O | |
the O | |
expression O | |
regulation O | |
of O | |
Ca O | |
( O | |
2 O | |
+) O | |
handling O | |
proteins O | |
. O | |
The O | |
expression O | |
analysis O | |
of O | |
apoptosis O | |
- O | |
related O | |
proteins O | |
revealed O | |
that O | |
pro O | |
- O | |
apoptotic O | |
protein O | |
expression O | |
was O | |
upregulated O | |
, O | |
and O | |
anti O | |
- O | |
apoptotic O | |
protein O | |
BCL O | |
- O | |
2 O | |
expression O | |
was O | |
downregulated O | |
. O | |
Furthermore O | |
, O | |
increased O | |
phosphorylation O | |
of O | |
MAPK O | |
family O | |
members O | |
, O | |
especially O | |
the O | |
P O | |
- O | |
P38 O | |
/ O | |
P38 O | |
ratio O | |
was O | |
found O | |
in O | |
cardiac O | |
tissues O | |
. O | |
Hence O | |
, O | |
our O | |
results O | |
suggest O | |
that O | |
aconitine O | |
significantly O | |
aggravates O | |
Ca O | |
( O | |
2 O | |
+) O | |
overload O | |
and O | |
causes O | |
arrhythmia B | |
and O | |
finally O | |
promotes O | |
apoptotic O | |
development O | |
via O | |
phosphorylation O | |
of O | |
P38 O | |
mitogen O | |
- O | |
activated O | |
protein O | |
kinase O | |
. O | |