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The relation between HLA-DQA1 genes and genetic susceptibility to duodenal ulcer in Wuhan Hans
Author(s) -
DU Yiping,
Changsheng Deng,
Deyin Lu,
Meifang Huang,
Shengli Guo,
Weikun Hou
Publication year - 2000
Publication title -
world journal of gastroenterology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.427
H-Index - 155
eISSN - 2219-2840
pISSN - 1007-9327
DOI - 10.3748/wjg.v6.i1.107
Subject(s) - duodenal ulcer , allele , genotype , locus (genetics) , human leukocyte antigen , gastroenterology , medicine , genetic predisposition , typing , polymerase chain reaction , allele frequency , gene , biology , genetics , immunology , antigen
AIM:To study the genetic susceptibility of HLA-DQA1 alleles to duodenal ulcer in Wuhan Hans.METHODS:Seventy patients with duodenal ulcer and fifty healthy controls were examined for HLA-DQA1 genotypes.HLA-DQA1 typing was carried out by digesting the locus specific polymerase chain reaction amplified products with alleles specific restriction enzymes (PCR-RFLP), i.e.,Apal I, Bsaj- I, Hph I, Fok I, Mbo II and Mnl I.RESULTS:The allele frequencies of DQA10301 and DQA1-0102 in patients with duodenal ulcer were significantly higher and lower respectively than those in healthy controls (0.40 vs 0.20, P = 0.003, P(corret) = 0.024) and (0.05 vs 0.14, P = 0.012, but P(corret) > 0.05), respectively.CONCLUSION: DQA1(*)0301 is a susceptible gene for duodenal ulcer in Wuhan Hans, and there are immunogenetic differences in HLA-DQA1 locus between duodenal ulcer patients and healthy controls.

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