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Afr Health Sci ; 22(1): 573-580, 2022 Mar.
Article in English | MEDLINE | ID: mdl-36032427

ABSTRACT

Background: H. pylori infection induce atrophic gastritis (AG) and intestinal metaplasia (IM) that can lead to gastric cancer (GC). The severity of gastric lesions is related to H. pylori genetic diversity. The oncogenic potential of H. pylori cagA virulence factor is linked to its high polymorphic EPIYA motifs. Objectives: Our aim was to evaluate the association of EPIYA motifs with the risk of AG and IM in Casablanca population. Methods: A total of 210 patients suffering from gastric lesions (chronic gastritis, AG, and IM) was enrolled. H. pylori infection and the type of lesions were diagnosed by ureC PCR and histological examination, respectively. Detection of the cagA gene, and the type of EPIYA motifs, were carried out by PCR. Results: The prevalence of H. pylori and cagA gene was 95% and 37%, respectively. CagA-positive strains were associated with the risk of IM. The EPIYA motifs detected were: EPIYA-ABC (58%), EPIYA-ABCC (22%), and EPIYA-AB (20%). The EPIYA-ABCC motif was associated with the risk of IM (p-value = 0.007), compared to AG (p-value = 0.28). Conclusion: The EPIYA-ABCC motif might be a useful marker for the identification of patients at high risk of developing IM that can lead to GC.


Subject(s)
Gastritis , Helicobacter Infections , Helicobacter pylori , Stomach Neoplasms , Antigens, Bacterial , Bacterial Proteins , Carcinogenesis , Humans
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