Abstract
Objectives: To determine the percentage of Helicobacter pylori (H. pylori) carrying the outer inflammatory protein A (oipA), duodenal ulcer promotion (dupA) genes, and their relationship with endoscopic imaging, histopathology, and the risk of gastric cancer (GC). Subjects and methods: A cross-sectional study on 89 GC patients, compared with 90 patients with chronic gastritis (CG) with H. pylori infection, diagnosis based on histopathological results at Military Hospital 103 and Central Military Hospital 108 from August 2019 to May 2022. Determination of oipA, dupA genes of H. pylori by realtime-PCR technique on biopsy tissue samples of the gastric mucosa. Results: The percentage of H. pylori carrying the oipA and dupA genes was 30.2% and 10.1%, respectively. The relationship between bacterial infection harboring these 2 genes and endoscopic images and histopathology of GC has not been recorded. There was no difference in the prevalence of H. pylori carrying the oipA and dupA genes infection between the GC and CG groups (p > 0.05). Conclusion: The infection of H. pylori with oipA and dupA genes positive may not increase GC risk in Vietnamese.
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