Correction: cagA gene EPIYA motif genetic characterization from Colombian Helicobacter pylori isolates: Standardization of a molecular test for rapid clinical laboratory detection

This study was conducted to identify patterns of cagA EPIYA motifs in H . pylori strains isolated from patients with gastrointestinal diseases in Hospitals of Shahrekord, and investigate the association between these biomarkers and clinical outcomes of gastrointestinal diseases due to H . pylori . In this study, 253 patients with gastrointestinal diseases were studied within 1395–1396. Histopathological investigations and urease test showed that 207 isolates were H . pylori -positive. Then, screening using a molecular technique, PCR, confirmed that 159 isolates had cagA. Finally, the pattern and prevalence of the motifs were determined by PCR and identified a number of motifs were sequenced. Results of this study showed that the pattern of motifs was as follows: ABC (140 isolates) (93/7%), ABCC (6 isolates) (3/77%), ABCCC (4 isolates) (2/5%), AB (7 isolates) (4/4%), AC (1 isolate) (0/6%), and BC (1 isolate) (0/6%). Sequencing results showed the presence of changed EPIYA motif in some isolates. CM motif sequence was also seen in all isolates. In this study, no significant association was seen between the prevalence rate of different patterns and clinical symptoms ( p = 0.71). There is a slight association between the presence of ABC motifs and the type of digestive disorder (p = 0.056). Results indicated that ABC was the most frequently seen pattern however, in such that positive cases of ABC motifs were more common in gastritis. All isolates had kinase phosphorylation region, and the observed pattern in this region was a generally western type (ABC).

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Determination of CagA EPIYA motif in Helicobacter pylori strains isolated from patients with digestive disorder

Khaledi

Bagheri

Validi

et al. 2020

Heliyon

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Correction: cagA gene EPIYA motif genetic characterization from Colombian Helicobacter pylori isolates: Standardization of a molecular test for rapid clinical laboratory detection

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Determination of CagA EPIYA motif in Helicobacter pylori strains isolated from patients with digestive disorder

Determination of CagA EPIYA motif in Helicobacter pylori strains isolated from patients with digestive disorder

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