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ATG16L1 T300A polymorphism is associated with Crohn’s disease in a Northwest Greek cohort, but ECM1 T130M and G290S polymorphisms are not associated with ulcerative colitis

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ATG16L1 T300A polymorphism is associated with Crohn’s disease in a Northwest Greek cohort, but ECM1 T130M and G290S polymorphisms are not associated with ulcerative colitis (EN)
Kostoulas, Charilaos
Gazouli, Maria
Katsanos, Konstantinos H.
Tsianos, Vasileios E.
Tsianos, Epameinondas V.
Frillingos, Stathis
Georgiou, Ioannis
Christodoulou, Dimitrios K.
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
2019-12-27
Background Crohn’s disease (CD) and ulcerative colitis (UC) are well-described disease entities with unknown etiopathogenesis. Environmental, genetic, gut microbiota, and host immune response correlations have been implicated. The role of susceptibility gene polymorphisms, such as ATG16L1 T300A and ECM1 T130M and G290S, is well-described, although controversial findings have been reported. Methods Two hundred five patients with inflammatory bowel disease (108 CD and 97 UC), and 223 healthy blood donors (control group) from the Northwest Greece region were genotyped for rs2241880 (T300A), rs3737240 (T130M) and rs13294 (G290S) single nucleotide polymorphisms. Genotyping was performed using the real-time polymerase chain reaction method. Results The frequency of G allele was significantly higher in CD patients compared to the control group (P=0.029; odds ratio [OR] 1.45, 95% confidence interval [CI] 1.04-2.03). Carriers of two G alleles (T300A), compared to those carrying only one, were 1.3 times more susceptible to CD (P=0.022; OR 2.45, 95%CI 1.14-5.27). In CD patients, the presence of the T300A polymorphism indicates a possible protective effect against developing a penetrating (B3) phenotype, while in UC patients, presence of the T300A polymorphism, indicates a possible protective effect against developing joint-involving extraintestinal manifestations. Conclusion Our study found a significant association of the T300A polymorphism with CD susceptibility, suggesting that CD occurrence in our population has a strong genetic background, with the T300A G allele having an additive effect. Keywords Inflammatory bowel disease, Crohn’s disease, ulcerative colitis, ATG16L1, ECM1 Ann Gastroenterol 2020; 33 (1): 38-44 (EN)
English
Hellenic Society of Gastroenterology (EN)
1792-7463
1108-7471
Annals of Gastroenterology; Volume 33, No 1 (2020); 38 (EN)
Copyright (c) 2019 Annals of Gastroenterology (EN)
Hellenic Society of Gastroenterology
Annals of Gastroenterology
Original Articles



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