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Influence of interleukin-18 gene polymorphisms on acute pancreatitis susceptibility in a Chinese population.

Research paper by H B HB Gui, X G XG Du, Z H ZH Fu, X M XM Chen

Indexed on: 06 Oct '16Published on: 06 Oct '16Published in: Genetics and molecular research : GMR



Abstract

We investigate the relationship between IL-18 -607C/A and -137G/C genetic polymorphisms and development of acute pancreatitis in a Chinese population. A total of 153 patients were consecutively recruited from the First Affiliated Hospital of Chongqing Medical University between January 2013 and November 2014. Genotyping of IL-18 -607C/A and -137G/C variants was performed using the polymerase chain reaction-restriction fragment length polymorphism method. We observed a significant difference between acute pancreatitis patients and control subjects with respect to age (t = 2.15, P = 0.02), gender (chi-square = 3.95, P = 0.04), body mass index (t = 5.85, P < 0.001), and alcohol consumption (chi-square = 9.74, P = 0.002). Using chi-square tests, we found that the genotype distributions of IL-18 -607C/A (chi-square = 0.81, P = 0.67) and -137G/C (chi-square = 1.16, P = 0.56) polymorphisms did not differ between the acute pancreatitis and control groups. Genotype frequencies of these variants were consistent with Hardy-Weinberg equilibrium in both patient and control groups. In addition, logistic regression analysis failed to identify a significant association between these polymorphisms and acute pancreatitis risk. Our study firstly examined their association in a Chinese population, and we suggest that the IL-18 -607C/A and -137G/ C polymorphisms do not influence susceptibility to acute pancreatitis in the Chinese population studied in the present study.