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to test this hypothesis , we examined three agents known to affect cell growth [ colchicine , concanavalin a ( con a ) , and the src gene product of rous sarcoma virus ] for their effects on chick embryo fibroblasts .
process_involves_gene
{ "id": "C0007595", "name": "cell growth", "pos": [ 67, 78 ] }
{ "id": "C0038085", "name": "src", "pos": [ 129, 132 ] }
these results suggest that the pathogenetic anti-x response is not genetically prescribed at the level of macrophages , humoral factors , or t cells , but rather appears to be a phenotypic expression of a primary b lymphocyte defect permitting or promoting differentiation of nzb x-abl .
process_involves_gene
{ "id": "C0007589", "name": "differentiation", "pos": [ 257, 272 ] }
{ "id": "C1704928", "name": "abl", "pos": [ 282, 285 ] }
the genetic constitution of the senescent cell regulates the expression of virogenes and oncogenes of the endogenous rna tumor viruses of the c-type , resulting either in the cellular degeneration of the senescent cell under the control of the virogenes or in the cellular neoplastic transformation regulated by the oncogenes .
process_involves_gene
{ "id": "C0007621", "name": "cellular neoplastic transformation", "pos": [ 264, 298 ] }
{ "id": "C0029016", "name": "oncogenes", "pos": [ 316, 325 ] }
effects of timepidium bromide ( tb ) on the motility of various smooth muscles and the secretion of digestive juice were examined and the activity was compared with those of hyoscine-n-butylbromide ( hb ) and atropine sulfate ( atr ) .
process_involves_gene
{ "id": "C0007608", "name": "motility", "pos": [ 44, 52 ] }
{ "id": "C3540546", "name": "atr", "pos": [ 228, 231 ] }
on the contrary , the inhbitory effect of tb on the spontaneous motion of urinary bladder was somewhat weaker than those of hb and atr , while this effect on the bethanechol-induced motility was nearly equal the effects of hb and atr .
process_involves_gene
{ "id": "C0007608", "name": "motility", "pos": [ 182, 190 ] }
{ "id": "C3540546", "name": "atr", "pos": [ 230, 233 ] }
an unchanged transcriptional activity of the ltr-controlled v-mos and c-myc genes , but a decreased half-life of oncogene-specific mrna suggests that tnf-alpha primarily affects stability of v-mos and c-myc rna without influencing the activity of retroviral promoters .
process_involves_gene
{ "id": "C0040649", "name": "transcriptional", "pos": [ 13, 28 ] }
{ "id": "C0086661", "name": "c-myc", "pos": [ 201, 206 ] }
experiments with phosphatidylinositol hydrolysis as an indirect measure of tcr occupancy suggested that irradiation caused a fairly rapid ( within 1 to 2 h ) decrease in the ability of the b cell apc to display a stimulatory combination of ag and class ii molecule .
process_involves_gene
{ "id": "C0020291", "name": "hydrolysis", "pos": [ 38, 48 ] }
{ "id": "C3540812", "name": "apc", "pos": [ 196, 199 ] }
moreover , t cell activation via the cd2 ( alternative , ag independent ) pathway is considered an important mechanism for intrathymic t cell proliferation .
process_involves_gene
{ "id": "C1155065", "name": "t", "pos": [ 11, 12 ] }
{ "id": "C1367475", "name": "cd2", "pos": [ 37, 40 ] }
activation of jurkat t cells with anti-tcr , anti-cd3 , anti-cd2 , or pha is accompanied by a strong inhibition of phosphatidylserine ( ps ) synthesis .
process_involves_gene
{ "id": "C1155065", "name": "activation", "pos": [ 0, 10 ] }
{ "id": "C1367475", "name": "cd2", "pos": [ 61, 64 ] }
synergistic t cell activation via the physiological ligands for cd2 and the t cell receptor .
process_involves_gene
{ "id": "C1155065", "name": "t cell activation", "pos": [ 12, 29 ] }
{ "id": "C1367475", "name": "cd2", "pos": [ 64, 67 ] }
cooperation in oncogenesis between bk virus early region gene and the activated human c-harvey ras oncogene .
process_involves_gene
{ "id": "C0007621", "name": "oncogenesis", "pos": [ 15, 26 ] }
{ "id": "C0034678", "name": "ras oncogene", "pos": [ 95, 107 ] }
mdr-1 ( also known as pgy1 ) was induced following administration of aflatoxin b1 , 2- ( acetylamino ) fluorene ( aaf ) , n-hydroxy-2- ( acetylamino ) fluorene , isosafrole , phenothiazine , and 2,3,7,8-tetrachlorodibenzo-p-dioxin ( tcdd ) , but not after phenobarbital or 7-hydroxy-2- ( acetylamino ) fluorene treatment .
process_involves_gene
{ "id": "C0242640", "name": "mdr-1", "pos": [ 0, 5 ] }
{ "id": "C0376622", "name": "pgy1", "pos": [ 22, 26 ] }
we tested the hypothesis that the mitogenic effect of estrogen occurs via activation of the expression of cellular proto-oncogenes by measuring the rate of transcription of 20 proto-oncogenes ( abl , bas , erb-a , erb-b , ets , fms , fos , fps/fes , mos , myb , myc , n-myc , raf , ha-ras , ki-ras , n-ras , rel , sis , src , and b-lym ) in the uterus of ovariectomized rats before and after injection of estrogen . c-onc transcriptional activity was monitored both by an in vitro transcription assay on isolated nuclei ( run-on ) and by analysis of mature mrna . c-fos and c-myc proto-oncogenes were found to respond to estrogen with increased expression : c-fos within 30 min , with a first , sharp peak at 2 h and c-myc within 1.5 h , with a first , broad peak at 4-6 h .
process_involves_gene
{ "id": "C0040649", "name": "transcription", "pos": [ 156, 169 ] }
{ "id": "C0086661", "name": "c-myc", "pos": [ 717, 722 ] }
furthermore , ligand specificity for the binding sites in this amphibian differ from that reported for avp binding sites in rat brains .
process_involves_gene
{ "id": "C1517880", "name": "ligand", "pos": [ 14, 20 ] }
{ "id": "C1708407", "name": "avp", "pos": [ 103, 106 ] }
recent basic studies revealed that an increase of dhfr synthesis is the result of a proportional amplification of dhfr gene , and that polyglutamation of mtx plays an important role in its action .
process_involves_gene
{ "id": "C0220781", "name": "synthesis", "pos": [ 55, 64 ] }
{ "id": "C1333216", "name": "dhfr", "pos": [ 114, 118 ] }
augmentation and stable expression of a novel transcription factor sii in cd4-positive cells on infection with human immunodeficiency virus type-1 ( hiv-1 ) .
process_involves_gene
{ "id": "C0040649", "name": "transcription", "pos": [ 46, 59 ] }
{ "id": "C1420622", "name": "sii", "pos": [ 67, 70 ] }
the data presented in this communication suggests that in hiv-1 infected cells , selective transcriptional controls were taking place and that a novel transcriptional factor , sii , plays an essential role in hiv-1 expression leading to cytocidal effects .
process_involves_gene
{ "id": "C1158770", "name": "transcriptional controls", "pos": [ 91, 115 ] }
{ "id": "C1420622", "name": "sii", "pos": [ 176, 179 ] }
f-actin is known to be refractory to proteolysis [ jacobson , g.r . and rosenbusch , j.p. ( 1976 ) proc . natl . acad . sci . u.s. 73 , 2742-2746 ] .
process_involves_gene
{ "id": "C0597304", "name": "proteolysis", "pos": [ 37, 48 ] }
{ "id": "C1418943", "name": "proc", "pos": [ 99, 103 ] }
inasmuch as the cd2 ( e rosette receptor , t11 , lfa-2 ) molecule of human t lymphocytes is a cell surface glycoprotein involved in the adhesion of t cells to various target cells the possibility that cd2 binds sp was investigated .
process_involves_gene
{ "id": "C0007577", "name": "adhesion", "pos": [ 136, 144 ] }
{ "id": "C1367475", "name": "cd2", "pos": [ 201, 204 ] }
the site-modified dnas were transfected into cells with normal dna repair as well as into cells with repair defects ( uvra , uvrb , uvrc , reca , uvrareca ) .
process_involves_gene
{ "id": "C0012899", "name": "dna repair", "pos": [ 63, 73 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 150, 154 ] }
recombination of t4 phage is not controlled by the host reca gene but by an analogous phage gene , uvsx .
process_involves_gene
{ "id": "C0034865", "name": "recombination", "pos": [ 0, 13 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 56, 60 ] }
during differentiation of erythroid cells in chicken embryos , we found maximal levels of c-erba protein synthesis at days 7 to 8 of embryogenesis .
process_involves_gene
{ "id": "C0007589", "name": "differentiation", "pos": [ 7, 22 ] }
{ "id": "C0242987", "name": "erba", "pos": [ 92, 96 ] }
taf was concluded to be a transcriptional activator protein because nucleotide alterations in uast that diminished transcription in vivo also diminished taf binding in vitro .
process_involves_gene
{ "id": "C0040649", "name": "transcription", "pos": [ 26, 39 ] }
{ "id": "C1336572", "name": "taf", "pos": [ 153, 156 ] }
these data suggest that at least two serine kinase systems are implicated in the alterations of p56lck associated with t-cell activation and that the lck gene product plays a critical role in normal t-cell physiology .
process_involves_gene
{ "id": "C1155065", "name": "t-cell activation", "pos": [ 119, 136 ] }
{ "id": "C0919477", "name": "lck gene", "pos": [ 150, 158 ] }
this suggests that events other than ligand binding can result in formation of a c-erba protein that modulates transcription of thyroid hormone responsive genes , 3 ) no qualitative functional differences were detected between alpha- and beta-c-erba subtypes , and 4 ) depending on the cell-type , l-t3 acts through its endogenous receptor to stimulate ( gh4c1 ) or suppress ( gh1 ) expression of a chimeric prl construct .
process_involves_gene
{ "id": "C1517880", "name": "ligand binding", "pos": [ 37, 51 ] }
{ "id": "C1332790", "name": "beta-c", "pos": [ 238, 244 ] }
this suggests that events other than ligand binding can result in formation of a c-erba protein that modulates transcription of thyroid hormone responsive genes , 3 ) no qualitative functional differences were detected between alpha- and beta-c-erba subtypes , and 4 ) depending on the cell-type , l-t3 acts through its endogenous receptor to stimulate ( gh4c1 ) or suppress ( gh1 ) expression of a chimeric prl construct .
process_involves_gene
{ "id": "C1517880", "name": "ligand binding", "pos": [ 37, 51 ] }
{ "id": "C0242987", "name": "erba", "pos": [ 245, 249 ] }
thymidine starvation or nalidixic acid blocked dna synthesis , and stopped cell division of a rec ( + ) thy ( - ) strain of escherichia coli .
process_involves_gene
{ "id": "C0598312", "name": "dna", "pos": [ 47, 50 ] }
{ "id": "C1424025", "name": "rec", "pos": [ 94, 97 ] }
genetic recombination was studied in escherichia coli f- strains in which synthesis of the reca gene product protein x is increased due to mutation in either reca ( tif-1 ) or lexa ( spr ) .
process_involves_gene
{ "id": "C0034865", "name": "genetic recombination", "pos": [ 0, 21 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 158, 162 ] }
electron transport phosphorylation coupled to fumarate reduction by h2- and mg2+-dependent adenosine triphosphatase activity in extracts of the rumen anaerobe vibrio succinogenes .
process_involves_gene
{ "id": "C0031715", "name": "phosphorylation", "pos": [ 19, 34 ] }
{ "id": "C0919509", "name": "h2", "pos": [ 68, 70 ] }
further testing indicated that one of the mutants was deficient in genetic recombination and was probably a reca-type mutant , while three of the others were deficient in dna polymerase activity and appeared to be typical pola mutants .
process_involves_gene
{ "id": "C0034865", "name": "genetic recombination", "pos": [ 67, 88 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 108, 112 ] }
therefore , ( 1 ) the recombination mediated by reca function does not need de novo protein synthesis ;
process_involves_gene
{ "id": "C0034865", "name": "recombination", "pos": [ 22, 35 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 48, 52 ] }
these derivatives are complementary to the familiar trimethysilyl ether derivatives , but have greater hydrolytic stability ( an advantage for tlc ) , generally give better gc separations , and have characteristic mass spectra .
process_involves_gene
{ "id": "C0020291", "name": "hydrolytic", "pos": [ 103, 113 ] }
{ "id": "C3537453", "name": "gc", "pos": [ 173, 175 ] }
excision of f plasmid sequences by recombination at directly repeated insertion sequence 2 elements : involvement of reca .
process_involves_gene
{ "id": "C0034865", "name": "recombination", "pos": [ 35, 48 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 117, 121 ] }
the rate of excision of the f plasmid form this f ' ( presumably by recombination at the directly repeated is2s ) has been estimated in both reca+ and reca- strains .
process_involves_gene
{ "id": "C0034865", "name": "recombination", "pos": [ 68, 81 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 151, 155 ] }
the observation that c5a induces alveolar macrophage chemotaxis established that alveolar macrophages are similar to other mononuclear phagocytes with respect to c5a-enhanced migratory responses , and demonstrated that complement components may participate in lung inflammatory reactions through effects on cells other than neutrophils .
process_involves_gene
{ "id": "C0008018", "name": "chemotaxis", "pos": [ 53, 63 ] }
{ "id": "C1367710", "name": "c5a", "pos": [ 162, 165 ] }
recombination of uracil-containing phages during repressed infections was negligible in reca and partially reduced in recb bacteria .
process_involves_gene
{ "id": "C0034865", "name": "recombination", "pos": [ 0, 13 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 88, 92 ] }
inheritance of rp1-hfr chromosomal and antibiotic resistance genes was due to recombination with the recipient chromosome , as shown by the need for a functional reca system .
process_involves_gene
{ "id": "C0034865", "name": "recombination", "pos": [ 78, 91 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 162, 166 ] }
the results suggest that the normal differentiation of steroidogenic pathways occurs in x/x sxr mouse tests in the absence of an intact y chromosome .
process_involves_gene
{ "id": "C0007589", "name": "differentiation", "pos": [ 36, 51 ] }
{ "id": "C1417826", "name": "sxr", "pos": [ 92, 95 ] }
benzo [ a ] pyrene hydroxylase activity of trout liver microsomes was similar to that of rat and quail microsomes , whereas hydroxylation of substrates which in rat liver are preferentially metabolized by phenobarbital-inducible forms of cytochrome p-450 was much lower in trout microsomes .
process_involves_gene
{ "id": "C1524026", "name": "metabolized", "pos": [ 190, 201 ] }
{ "id": "C1382176", "name": "phenobarbital-inducible", "pos": [ 205, 228 ] }
binding of this ligand to bovine anterior pituitary membranes is : rapid ( 40-60 min to equilibrium at 25 degrees c ) and reversible ( t1/2 = 1 h at 25 degrees c ) ;
process_involves_gene
{ "id": "C1517880", "name": "binding", "pos": [ 0, 7 ] }
{ "id": "C1413227", "name": "t1", "pos": [ 135, 137 ] }
an hypothesis is presented proposing that pdp contributes to oncogenesis by regulating the expression of oncogenes .
process_involves_gene
{ "id": "C0007621", "name": "oncogenesis", "pos": [ 61, 72 ] }
{ "id": "C0029016", "name": "oncogenes", "pos": [ 105, 114 ] }
the battery of mutants consists of two uv-sensitive strains ( uv4 and uv5 ) that are deficient in different aspects of nucleotide excision repair , and strain em9 , which is defective in dna-strand-break rejoining .
process_involves_gene
{ "id": "C0524550", "name": "nucleotide excision", "pos": [ 119, 138 ] }
{ "id": "C1333356", "name": "em9", "pos": [ 159, 162 ] }
the effects of ligand binding on the accessibility of both tyrosine and tryptophan residues to the quencher are modest in all cases , though the changes are in the same direction as seen using other physicochemical techniques such as hydrogen exchange ( m. lennick and n.m. allewell , proc . natl . acad . sci . u.s.a. 78 ( 1981 ) 6759 ) .
process_involves_gene
{ "id": "C1517880", "name": "ligand binding", "pos": [ 15, 29 ] }
{ "id": "C1418943", "name": "proc", "pos": [ 285, 289 ] }
we conclude that in cases where total serum c3 is not markedly reduced ( less than 60 % of normal ) , the c3d/c3 quotient may be a more sensitive parameter for assessing in vivo complement activation than c3 or c3d determinations alone .
process_involves_gene
{ "id": "C0009528", "name": "complement activation", "pos": [ 178, 199 ] }
{ "id": "C1332656", "name": "c3d", "pos": [ 211, 214 ] }
using the temperature sensitive replication of prp19.6 , frequency of it 's integration into the chromosomes of e. coli rec+ and reca- stains is determined .
process_involves_gene
{ "id": "C0598312", "name": "replication", "pos": [ 32, 43 ] }
{ "id": "C1424025", "name": "rec", "pos": [ 129, 132 ] }
we show that stable dna replication , another dna damage-inducible function [ kogoma , t. , torrey , t. a . & connaughton , m. j . ( 1979 ) mol . gen. genet . 176 , 1-9 ] , shares with sos mutagenesis the requirement for reca* activity , even in a strain constitutively expressing all lexa-controlled genes .
process_involves_gene
{ "id": "C0598312", "name": "dna replication", "pos": [ 20, 35 ] }
{ "id": "C2239486", "name": "gen", "pos": [ 301, 304 ] }
in the present paper we summarize what is known about the replication control system of one low-copy-number plasmid , r1 , belonging to the fii incompatibility group .
process_involves_gene
{ "id": "C0598312", "name": "replication", "pos": [ 58, 69 ] }
{ "id": "C1335648", "name": "r1", "pos": [ 118, 120 ] }
human leukemia k562 cells : relationship between hemin-mediated erythroid induction , cell proliferation and expression of c-abl and c-myc oncogenes .
process_involves_gene
{ "id": "C0596290", "name": "cell proliferation", "pos": [ 86, 104 ] }
{ "id": "C1704928", "name": "abl", "pos": [ 125, 128 ] }
three hybridomas constructed using pool 1 splenocytes were capable of complementing nude mouse pfc responses to the trinitrophenyl group ( tnp ) of tnp-re .
process_involves_gene
{ "id": "C0009528", "name": "complementing", "pos": [ 70, 83 ] }
{ "id": "C1418482", "name": "pfc", "pos": [ 95, 98 ] }
coupling with packaging explains apparent nonreciprocality of chi-stimulated recombination of bacteriophage lambda by reca and recbc functions .
process_involves_gene
{ "id": "C0034865", "name": "recombination", "pos": [ 77, 90 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 118, 122 ] }
the result suggests that the recombination function controlled by the reca gene does not influence the formation of catenated col e1 .
process_involves_gene
{ "id": "C0034865", "name": "recombination", "pos": [ 29, 42 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 70, 74 ] }
although the depletions observed were suggestive of complement activation , there were no demonstrable increases in c3d , and in all patients the concentration of c3d remained within the normal range .
process_involves_gene
{ "id": "C0009528", "name": "complement activation", "pos": [ 52, 73 ] }
{ "id": "C1332656", "name": "c3d", "pos": [ 163, 166 ] }
testing in recombination deficient rec a- -strains of e. coli k12 to avoid any recombination of the plasmids .
process_involves_gene
{ "id": "C0034865", "name": "recombination", "pos": [ 11, 24 ] }
{ "id": "C1419240", "name": "rec a", "pos": [ 35, 40 ] }
therefore the loss of photoreversibility of these mutations occurring in the absence of protein synthesis and dna replication can not be attributed to the production of a signal for the induction of subsequent rec-lex dependent mutator activity .
process_involves_gene
{ "id": "C0598312", "name": "dna replication", "pos": [ 110, 125 ] }
{ "id": "C1424025", "name": "rec", "pos": [ 210, 213 ] }
furthermore , it was found that at the phase transition temperature the phosphatidylcholine bilayers are subject to rapid hydrolysis by pancreatic phospholipase a2 whereas phosphatidylethanolamine bilayers are not .
process_involves_gene
{ "id": "C0020291", "name": "hydrolysis", "pos": [ 122, 132 ] }
{ "id": "C1418617", "name": "pancreatic phospholipase a2", "pos": [ 136, 163 ] }
this drug antagonized both the electrical and contractile effects of ach , suggesting that they are mediated by an increase in ko+ permeability .
process_involves_gene
{ "id": "C0026820", "name": "contractile", "pos": [ 46, 57 ] }
{ "id": "C1416746", "name": "ko", "pos": [ 127, 129 ] }
it was suggested that the alk and the pola gene products are involved in the same dna repair process whereas the reca function is independent from the process .
process_involves_gene
{ "id": "C0012899", "name": "dna repair", "pos": [ 82, 92 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 113, 117 ] }
in lysates inhibited by heme deficiency , gssg , or added hri , the phosphorylation of eif-2alpha was accompanied by the rapid in situ phosphorylation of hri .
process_involves_gene
{ "id": "C0031715", "name": "phosphorylation", "pos": [ 68, 83 ] }
{ "id": "C1539340", "name": "hri", "pos": [ 154, 157 ] }
the inhibition of initiation induced by dsrna was accompanied by the phosphorylation of eif-2alpha and a 67,000-dalton polypeptide but not hri .
process_involves_gene
{ "id": "C0031715", "name": "phosphorylation", "pos": [ 69, 84 ] }
{ "id": "C1539340", "name": "hri", "pos": [ 139, 142 ] }
these observations in situ indicate that ( i ) the phosphorylation of eif-2alpha is the critical event in these inhibitions of protein chain initiation , and ( ii ) the phosphorylation of hri is associated with its activation in heme deficiency .
process_involves_gene
{ "id": "C0031715", "name": "phosphorylation", "pos": [ 51, 66 ] }
{ "id": "C1539340", "name": "hri", "pos": [ 188, 191 ] }
the demonstration of liquid holding recovery with ab2480 but not wp100 ( both reca uvra strains ) and the somewhat greater resistance of the former strain to inactivation by captan revealed the presence in the k-12 strain of a deoxyribonucleic acid repair system independent of the reca ( + ) and uvra ( + ) genes .
process_involves_gene
{ "id": "C0012899", "name": "deoxyribonucleic acid repair", "pos": [ 227, 255 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 282, 286 ] }
to investigate the possible contribution of the mdr phenotype to chemoresistance in ovarian carcinoma , we have analyzed mdr1 gene expression in fresh carcinoma specimens from 50 patients .
process_involves_gene
{ "id": "C0242640", "name": "mdr", "pos": [ 48, 51 ] }
{ "id": "C1704939", "name": "mdr1 gene", "pos": [ 121, 130 ] }
our study suggests that , in spite of the weak occurrence of the mdr process in patients with ovarian cancers , mdr1 expression can be related to previous treatment with doxorubicin or vincristine .
process_involves_gene
{ "id": "C0242640", "name": "mdr process", "pos": [ 65, 76 ] }
{ "id": "C0376622", "name": "mdr1", "pos": [ 112, 116 ] }
to investigate these differences in more detail , we have studied the response of clonal populations of mature thymocyte subsets as well as peripheral t-cell clones to activation via either cd3ti or cd2 .
process_involves_gene
{ "id": "C1155065", "name": "t-cell", "pos": [ 151, 157 ] }
{ "id": "C1367475", "name": "cd2", "pos": [ 199, 202 ] }
the effect of mutations in known recombination genes ( reca , recb , recc , rece , recf , recj , recn , reco , recq and ruv ) on intramolecular recombination of plasmids was studied in recb recc sbcb and recb recc sbca escherichia coli mutants .
process_involves_gene
{ "id": "C0034865", "name": "recombination", "pos": [ 33, 46 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 55, 59 ] }
assay of bioactivity in a bovine liver receptor-binding assay and in a female rat growth assay showed pituitary bst and recombinant methionyl-bovine somatotropin to be equipotent .
process_involves_gene
{ "id": "C0018270", "name": "growth", "pos": [ 82, 88 ] }
{ "id": "C1333673", "name": "pituitary bst", "pos": [ 102, 115 ] }
the signal transduction pathways of the cloned human 5-ht1a receptor have been examined in two mammalian cell lines transiently ( cos-7 ) or permanently ( hela ) expressing this receptor gene .
process_involves_gene
{ "id": "C1514762", "name": "signal transduction", "pos": [ 4, 23 ] }
{ "id": "C1335671", "name": "receptor gene", "pos": [ 178, 191 ] }
activation of human t cells through the cd3-t cell receptor complex caused an augmentation in the cell surface expression of cd2 and cd5 glycoproteins .
process_involves_gene
{ "id": "C1155065", "name": "activation", "pos": [ 0, 10 ] }
{ "id": "C1367475", "name": "cd2", "pos": [ 125, 128 ] }
it prompted us to report the new findings about modification of lymphocyte subset chemotaxis by c5a .
process_involves_gene
{ "id": "C0008018", "name": "chemotaxis", "pos": [ 82, 92 ] }
{ "id": "C1367710", "name": "c5a", "pos": [ 96, 99 ] }
the efficiency of the repa protein of pab2623 to promote replication of r1 in an in vitro assay was greatly reduced .
process_involves_gene
{ "id": "C0598312", "name": "replication", "pos": [ 57, 68 ] }
{ "id": "C1335648", "name": "r1", "pos": [ 72, 74 ] }
this indicates that the pso4 gene is involved in an error-prone repair pathway which relies on a recombinational mechanism , strongly suggesting an analogy between the pso4-1 mutation and the reca or lexa mutation of escherichia coli .
process_involves_gene
{ "id": "C0034865", "name": "recombinational", "pos": [ 97, 112 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 192, 196 ] }
acceleration of b-lymphoid tumorigenesis in e mu-myc transgenic mice by v-h-ras and v-raf but not v-abl .
process_involves_gene
{ "id": "C0007621", "name": "tumorigenesis", "pos": [ 27, 40 ] }
{ "id": "C0080279", "name": "v-abl", "pos": [ 98, 103 ] }
regulation of transcription of the pbgd erythroid promoter is abolished by those mutations , suggesting that nf-e2 but not ap1 is necessary for correct regulation of this promoter in erythroid cells .
process_involves_gene
{ "id": "C1158770", "name": "regulation", "pos": [ 0, 10 ] }
{ "id": "C1417699", "name": "nf-e2", "pos": [ 109, 114 ] }
analysis of protooncogene rna expression in marrow stromal cells from long-term marrow culture demonstrated high levels of c-abl 5- , 6- , and 7-kilobase ( kb ) rna transcripts .
process_involves_gene
{ "id": "C0040649", "name": "rna expression", "pos": [ 26, 40 ] }
{ "id": "C1704928", "name": "abl", "pos": [ 125, 128 ] }
different surface molecules are known , which trigger the process of cell activation after binding of the respective ligands , including the t-cell-receptor/cd3 complex , the cd2 and the cd4 molecules .
process_involves_gene
{ "id": "C1517880", "name": "binding", "pos": [ 91, 98 ] }
{ "id": "C1367475", "name": "cd2", "pos": [ 175, 178 ] }
oncogenesis can be induced by chronic and acute rna tumor viruses through a promoter/enhancer insertion mechanism and through a transforming protein coded by a viral oncogene ( v-onc ) , respectively .
process_involves_gene
{ "id": "C0007621", "name": "oncogenesis", "pos": [ 0, 11 ] }
{ "id": "C1336966", "name": "viral oncogene", "pos": [ 160, 174 ] }
two discrete mechanisms for induction of t-cell proliferation could be distinguished by examining cell cycle progression and the expression of the il-2 gene .
process_involves_gene
{ "id": "C1155046", "name": "t-cell proliferation", "pos": [ 41, 61 ] }
{ "id": "C0879590", "name": "il-2 gene", "pos": [ 147, 156 ] }
the results were compared with the dna binding of reca to investigate the presence of multiple dna-reca complexes .
process_involves_gene
{ "id": "C1148673", "name": "dna binding", "pos": [ 35, 46 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 99, 103 ] }
direct and indirect dna binding assays suggest that a conserved 5'-attagg in one-half of the dyad symmetry element is important for mcm1 binding whereas variants in the other half are tolerated .
process_involves_gene
{ "id": "C1148673", "name": "dna binding", "pos": [ 20, 31 ] }
{ "id": "C1420400", "name": "mcm1", "pos": [ 132, 136 ] }
the ligand binding subunit comprising the pituitary d2 dopamine receptor migrated as two distinct bands of apparent mr approximately equal to 150,000 and 118,000 , substantially higher than neuronal d2 receptor subunits from porcine or canine brain .
process_involves_gene
{ "id": "C1517880", "name": "ligand binding", "pos": [ 4, 18 ] }
{ "id": "C1417249", "name": "mr", "pos": [ 116, 118 ] }
double-labeling experiments were conducted by labeling adherent neutrophils with fluorescein-conjugated anti-cr3 followed by chemotaxis in a gradient of fmlp ( 10 ( -7 ) m ) .
process_involves_gene
{ "id": "C0008018", "name": "chemotaxis", "pos": [ 125, 135 ] }
{ "id": "C1333574", "name": "fmlp", "pos": [ 153, 157 ] }
these data suggest that , following heat shock , hsp27 may become physically associated with some nuclear component ( s ) that are resistant to detergent extraction .
process_involves_gene
{ "id": "C0282498", "name": "heat", "pos": [ 36, 40 ] }
{ "id": "C1333928", "name": "hsp27", "pos": [ 49, 54 ] }
previously , we reported that a derivative of wheat germ agglutinin ( termed wga-d ) specifically inhibits human polymorphonuclear leukocyte ( pmn ) chemotaxis to fmlp by blocking reexpression ( or recycling ) of formyl peptide receptors .
process_involves_gene
{ "id": "C0008018", "name": "chemotaxis", "pos": [ 149, 159 ] }
{ "id": "C1333574", "name": "fmlp", "pos": [ 163, 167 ] }
we have isolated yeast gene snm1 via complementation of sensitivity towards bi- and tri-functional alkylating agents in haploid and diploid yeast dna repair-deficient snm1-1 mutants .
process_involves_gene
{ "id": "C0012899", "name": "dna", "pos": [ 146, 149 ] }
{ "id": "C1425027", "name": "snm1", "pos": [ 167, 171 ] }
two dna repair and recombination genes in saccharomyces cerevisiae , rad52 and rad54 , are induced during meiosis .
process_involves_gene
{ "id": "C0012899", "name": "dna repair", "pos": [ 4, 14 ] }
{ "id": "C1419243", "name": "rad52", "pos": [ 69, 74 ] }
two dna repair and recombination genes in saccharomyces cerevisiae , rad52 and rad54 , are induced during meiosis .
process_involves_gene
{ "id": "C0012899", "name": "dna repair", "pos": [ 4, 14 ] }
{ "id": "C2699123", "name": "rad54", "pos": [ 79, 84 ] }
the dna repair and recombination genes of saccharomyces cerevisiae , rad52 and rad54 , were transcriptionally induced approximately 10- to 15-fold in sporulating mata/alpha cells .
process_involves_gene
{ "id": "C0012899", "name": "dna repair", "pos": [ 4, 14 ] }
{ "id": "C1419243", "name": "rad52", "pos": [ 69, 74 ] }
the dna repair and recombination genes of saccharomyces cerevisiae , rad52 and rad54 , were transcriptionally induced approximately 10- to 15-fold in sporulating mata/alpha cells .
process_involves_gene
{ "id": "C0012899", "name": "dna repair", "pos": [ 4, 14 ] }
{ "id": "C2699123", "name": "rad54", "pos": [ 79, 84 ] }
the combination of two noxious events ( application of a low dose of endotoxin during hemorrhagic shock ) leads to an enormous intravasal activation of complement including formation of c5a and the deposition of active split products of c3 ( c3a , c3b ) in the tissue of lung , liver , small intestine and kidney .
process_involves_gene
{ "id": "C0009528", "name": "activation", "pos": [ 138, 148 ] }
{ "id": "C1367710", "name": "c5a", "pos": [ 186, 189 ] }
with a recombination-deficient ( reca ) hfr strain as recipient , the frequency of f'lac integration was greatly reduced .
process_involves_gene
{ "id": "C0034865", "name": "recombination", "pos": [ 7, 20 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 33, 37 ] }
the hybridization results thus demonstrate that ( i ) the regulation of the argecbh gene cluster in e. coli is under transcriptional control , ( ii ) the orientation of transcription is divergent , ( iii ) e gene transcribes anticlockwise , whereas the rest of the genes , c , b , and h , transcribe clockwise , and ( iv ) the position of the promoter ( s ) and operator ( s ) is located between the e and c genes of the argecbh cluster .
process_involves_gene
{ "id": "C1158770", "name": "transcriptional", "pos": [ 117, 132 ] }
{ "id": "C1419346", "name": "rest", "pos": [ 253, 257 ] }
in vitro hydrolysis of oxazepam succinate half-ester by a stereospecific soluble esterase from different animal species .
process_involves_gene
{ "id": "C0020291", "name": "hydrolysis", "pos": [ 9, 19 ] }
{ "id": "C1418754", "name": "a", "pos": [ 109, 110 ] }
formation of txb3 , the hydrolysis product of txa3 , in platelet-rich plasma stimulated ex vivo with collagen was traced by capillary gc/eims .
process_involves_gene
{ "id": "C0020291", "name": "hydrolysis", "pos": [ 24, 34 ] }
{ "id": "C3537453", "name": "gc", "pos": [ 134, 136 ] }
incubation of the virions with [ gamma-32p ] atp resulted in the phosphorylation of p56 on tyrosine residues .
process_involves_gene
{ "id": "C0031715", "name": "phosphorylation", "pos": [ 65, 80 ] }
{ "id": "C1332736", "name": "p56", "pos": [ 84, 87 ] }
this was also true for the following dna-repair deficient ( rad- ) strains : rad2-6 rad6-1 rad52-1 , a triple mutant blocked in three major repair pathways ;
process_involves_gene
{ "id": "C0012899", "name": "dna-repair", "pos": [ 37, 47 ] }
{ "id": "C1419243", "name": "rad52", "pos": [ 91, 96 ] }
we have determined the nucleotide sequence of the uvsx gene of bacteriophage t4 which is involved in dna recombination and damage repair , and whose product catalyzes in vitro reactions related to recombination process in analogous manners to e. coli reca gene product .
process_involves_gene
{ "id": "C0034865", "name": "recombination", "pos": [ 105, 118 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 251, 255 ] }
the 35s-labeled bands were excised from the dried gel and subjected to extensive pronase hydrolysis and the hydrolysates were analyzed for tyrosine [ 35s ] sulfate by a two-dimensional procedure combining high-voltage electrophoresis and thin-layer chromatography [ liu , m. c. & lipmann , f. ( 1984 ) proc . natl . acad . sci . usa 81 , 3695-3698 ] .
process_involves_gene
{ "id": "C0020291", "name": "hydrolysis", "pos": [ 89, 99 ] }
{ "id": "C1418943", "name": "proc", "pos": [ 302, 306 ] }
recent studies have concluded that after complement activation the final physiologic degradation products of c3 are c3c and the fragment of relative molecular mass ( mr ) 42,000 which contains the c3d and c3g domains and was therefore named c3d , g .
process_involves_gene
{ "id": "C0009528", "name": "complement activation", "pos": [ 41, 62 ] }
{ "id": "C1332656", "name": "c3d", "pos": [ 241, 244 ] }
the nucleotide sequence of the saccharomyces cerevisiae gene encoding the glycolytic isoenzyme hexokinase pii ( hxk2 ) , which is responsible for triggering glucose repression , has been determined .
process_involves_gene
{ "id": "C0017952", "name": "glycolytic", "pos": [ 74, 84 ] }
{ "id": "C1708273", "name": "hxk2", "pos": [ 112, 116 ] }
in escherichia coli , the recbc enzyme is required for several cellular functions including recombination proficiency , uv resistance , and dna breakdown following radiation damage to the chromosome , all of which appear to be also under the control of the reca gene .
process_involves_gene
{ "id": "C0034865", "name": "recombination", "pos": [ 92, 105 ] }
{ "id": "C1419240", "name": "reca", "pos": [ 257, 261 ] }