期刊
ALEXANDRIA JOURNAL OF MEDICINE
卷 56, 期 1, 页码 105-110出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/20905068.2020.1780675
关键词
Chronic gastritis; H. pylori; oipA gene; dupA gene
Helicobacter pylori (H. pylori): is a microbe with wide genetic diversity that infects the stomach of most people in developing countries, leading to several clinical outcomes among different individuals such as gastritis, ulcers, or gastric cancer. Outer inflammatory protein A (oipA) and duodenal ulcer promoting (dupA) genes are among the possible virulence factors which determine the patient outcome. Aim: To detect oipA and dupA genes of H. pylori among dyspeptic Egyptian patients, and to investigate their correlation with the varying degrees of the associated chronic gastritis. Aim: To detect oipA and dupA genes of H. pylori among dyspeptic Egyptian patients, and to investigate their correlation with the varying degrees of the associated chronic gastritis. Methods: The study enrolled 50 patients with dyspepsia, attending the Gastrointestinal Endoscopy unit of the Gastroenterology and Tropical Departments at Ain Shams University Hospital for upper gastrointestinal endoscopy, in the period between, June and, December 2019. Four antral gastric biopsies were taken from each patient for polymerase chain reaction assay to detect the virulence genes oipA, dupA, and cagA and for histopathological assessment. Results: Forty patients were H. pylori positive by histopathology and PCR. cagA, oipA, and dupA were identified in 6 (15%), 13 (32.5%), 9 (22.5%) of biopsies, respectively. Both cagA and oipA genes were highly significantly associated with increasing the severity of gastritis. Only oipA virulence gene showed a highly significant association with gastroduodenitis. There was a highly significant moderate association between cagA and oipA genes. Conclusion: oipA could be a virulence biomarker that serves a great value in predicting the progress of gastric mucosal damage in patients with chronic gastritis, and targeting antimicrobial therapy in those patients to prevent severe gastroduodenal diseases.
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