期刊
WORLD JOURNAL OF GASTROENTEROLOGY
卷 12, 期 37, 页码 6021-6025出版社
BAISHIDENG PUBLISHING GROUP INC
DOI: 10.3748/wjg.v12.i37.6021
关键词
H pylori; mucin 6; polymorphism; variable number of tandem repeats
AIM: To investigate the relationship between mucin 6 (MUC6) VNTR length and H pylori infection.METHODS: Blood samples were collected from patients visiting the Can Tho General Hospital for upper gastrointestinal endoscopy. DNA was isolated from whole blood, the repeated section was cut out using a restriction enzyme (Pvu II) and the length of the allele fragments was determined by Southern blotting. H pylori infection was diagnosed by C-14 urea breath test. For analysis, MUC6 allele fragment length was dichotomized as being either long (>13.5 kbp) or short (<= 13.5 kbp) and patients were classified according to genotype [long-long (LL), long-short (LS), short-short (SS)]. RESULTS: 160 patients were studied (mean age 43 years, 36% were males, 58% H pylori positive). MUC6 Pvu II-restricted allele fragment lengths ranged from 7 to 19 kbp. Of the patients with the LL, LS, SS MUC6 genotype, 43% (24/56), 57% (25/58) and 76% (11/46) were infected with H pylori, respectively (P = 0.003). CONCLUSION: Short MUC6 alleles are associated with H pylori infection. (C) 2006 The WJG Press. All rights reserved.
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