Relation of bab A2 genotype of Helicobacter pylori infection with chronic active gastritis, duodenal ulcer and non-cardia active gastritis in Alzahra hospital Isfahan, Iran

Hajieh Ghasemian Safaei; Seyed Asghare Havaei; Hamid Tavakkoli; Morteza Eshaghei; Farahtaj Navabakbar; Rasoul Salehei

Jundishapur Journal of Microbiology

Ahvaz Jundishapur University of Medical Sciences

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Relation of bab A2 genotype of Helicobacter pylori infection with chronic active gastritis, duodenal ulcer and non-cardia active gastritis in Alzahra hospital Isfahan, Iran

Author(s):

Hajieh Ghasemian Safaei^1,*,

Seyed Asghare Havaei²,

Hamid Tavakkoli²,

Morteza Eshaghei³,

Farahtaj Navabakbar²,

Rasoul Salehei²,

1Department of Bacteriology, Isfahan University of Medical Sciences, [email protected], Iran

2Department of Bacteriology, Isfahan University of Medical Sciences, Iran

3Arak University of Medical Sciences, Iran

Jundishapur Journal of Microbiology:Vol. 3, issue 3; 93-98

Published online:Jul 31, 2010

Article type:Research Article

Received:Jan 01, 2010

Accepted:Apr 01, 2010

How to Cite:Ghasemian Safaei H, Havaei SA, Tavakkoli H, Eshaghei M, Navabakbar F, et al. Relation of bab A2 genotype of Helicobacter pylori infection with chronic active gastritis, duodenal ulcer and non-cardia active gastritis in Alzahra hospital Isfahan, Iran. Jundishapur J Microbiol. 2010;3(3):. doi:

Abstract

Introduction and objective: Bacterial virulence factors are important in determining disease outcome. The initial stage of colonization is binding of Helicobacter pylori to one of the gastric epithelial cells surface receptors, the Lewis b blood group antigen binding adhesion, babA. Heterogeneity among H. pylori strains in presence and expressing the babA gene may be a factor in the variation of clinical outcomes among H. pylori-infected people. We investigated the presence of babA in clinical H. pylori isolates and their correlation with different diseases in Iran.

Materials and methods: In the present study 81 positive culture samples out of 177 biopsies examined for the presence or absence of babA gene which were detected by PCR method. DNA extracted from 81 Helicobacter positive specimens, 44 chronic active gastritis, and 27 duodenal and 10 non-cardia gastric cancers.

Results: We had 58(71.6%) positive samples for babA and 23 samples were negative (28.4%) by PCR method. Relative frequency of babA genotype of H. pylori isolated from gastric biopsies of patients with chronic active gastritis duodenal ulcer, and non-cardia gastric cancer were 68.2%, 74.1% and 80%, respectively.

Conclusion: In our study, there was not significant correlation between the babA genotype and chronic active gastritis and duodenal ulcer (P=0.673) but significant correlation with non-cardia gastric cancer (P<0.001). Our results showed that the prevalence of babA genotype corresponds with the report from Asian countries but not with European and Latin America results.

Keywords

Helicobacter pylori

babA protein

Helicobacter infection

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Author(s):

Hajieh Ghasemian Safaei:[PubMed][Scholar]
Seyed Asghare Havaei:[PubMed][Scholar]
Hamid Tavakkoli:[PubMed][Scholar]
Morteza Eshaghei:[PubMed][Scholar]
Farahtaj Navabakbar:[PubMed][Scholar]
Rasoul Salehei:[PubMed][Scholar]
:[PubMed][Scholar]

Ahvaz Jundishapur University of Medical Sciences

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Relation of bab A2 genotype of Helicobacter pylori infection with chronic active gastritis, duodenal ulcer and non-cardia active gastritis in Alzahra hospital Isfahan, Iran

Abstract

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