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    The Association Between Cagl And Caga, Vacas-M, Baba Genes İn Patients With Gastric Cancer, Duodenal Ulcer, And Non-Ulcer Dyspepsia Related To Helicobacter Pylori
    (Universa Press, Wetteren, Belgium, 2020) Bal, Kadir; Erzin, Yusuf Ziya; Demirci, Mehmet; ;, ve diğerleri
    Introduction: As a component of the cag T4SS, the cagL gene is involved in the translocation of CagA into host cells and is essential for the formation of cag PAI-associated pili between H. pylori and gastric epithelial cells. Aim: We aimed to investigate the clinical association of the cagL gene with other virulence factors (VacA, CagA, EPIYA-C, and BabA protein) of H. pylori strains isolated from GC, duodenal ulcer (DU), and non-ulcer dyspepsia (NUD) cases. Methods: The patient group (PG), including 47 patients (22 GC and 25 DU) and a 25 control group (CG= NUD) were included. Amplification of the H. pylori cagL, cagA, vacA, and babA2 genes and typing of EPIYA motifs were performed by PCR methods. Results: Sixty-one (84.7%) H. pylori strains were detected with cagL (93.6% in SG, 68% in CG). We detected a significant difference between SG and CG for the presence of cagL (p=0.012) but no statistical comparison was done for (?2) EPIYA-C repeats In the comparison of H. pylori strains with cagA/vacAs1m1 and cagA/ vacAs1m2 and babA2 for the presence of cagL, we could not detect a significant difference (p=1). Conclusion: We detected a significant difference between groups for the presence of cagL genotype (p=0.012). The vacAs1m1 (OR: 2.829), genotypes increased the GC and DU risk by 2.8 times, while multiple (?2) EPIYA-C repeats incresed the GC and DU risk by 3.524 times. Gender (to be female) (OR: 0.454) decreased the GC and DU risk by inversly decreased in the multivariate analysis.