Helicobacter pylori vacA d1 Genotype Predicts Risk of Gastric Adenocarcinoma and Peptic Ulcers in Northwestern Iran

Basiri, Zeinab; Safaralizadeh, Reza; Bonyadi, Morteza Jabbarpour; Somi, Mohammad Hossein; Mahdavi, Majid; Latifi-Navid, Saeid

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저자정보: Basiri, Zeinab (Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz) Safaralizadeh, Reza (Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz) Bonyadi, Morteza Jabbarpour (Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz) Somi, Mohammad Hossein (Liver and Gastrointestinal Diseases Research Center, Tabriz University of Medical Sciences) Mahdavi, Majid (Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz) Latifi-Navid, Saeid (Department of Biology, Faculty of Sciences, University of Mohaghegh Ardabili)

저널정보: 아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP Asian Pacific journal of cancer prevention : APJCP 제15권 제4호

발행연도: 2014.1

수록면: 1,575 - 1,579 (5page)

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Background: There is a close relationship between Helicobacter pylori (H pylori)-specific factors and different gastroduodenal diseases. The present study aimed to investigate the prevalence of vacA d1, d2 genotypes in the H pylori isolates from patients with gastric adenocarcinoma, peptic ulcer disease (PUD) and gastritis in East Azerbaijan region, where the incidence of gastric cancer (GC) is high. Strains isolated from this area are likely to be of European ancestry. Materials and Methods: In this study, genotyping of the vacA d region of 115 isolates obtained from patients with different gastrodoudenal diseases was accomplished by PCR methods. In addition to PCR amplification of H pylori 16S rDNA, rapid urease tests or histological examination were used to confirm the presence of H pylori in biopsy specimens. Data were collected and analyzed using SPSS version 19. Results: Of the total of 83 H pylori isolates, 36 (43.4%) contained the d1 allele and 47 (56.6%) were subtype d2. The results of the multiple linear/logistic regression analysis showed high correlation between allele d1 and gastric adenocarcinoma or PUD. Conclusions: This study suggests that the H pylori vacA d1 genotype helps predict risk for gastric adenocarcinoma and PUD in East Azerbaijan, Iran.

#East Azerbaijan #gastric adenocarcinoma #H pylori #vacA d1 genotype #Iran

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