Association between CD14 Gene C-260T Polymorphism and Inflammatory Bowel Disease: A Meta-Analysis

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BACKGROUND: The gene encoding CD14 has been proposed as an IBD-susceptibility gene with its polymorphism C-260T being widely evaluated, yet with conflicting results. The aim of this study was to investigate the association between this polymorphism and IBD by conducting a meta-analysis.<br /><br />METHODOLOGY/PRINCIPAL FINDINGS: Seventeen articles met the inclusion criteria, which included a total of 18 case-control studies, including 1900 ulcerative colitis (UC) cases, 2535 Crohn's disease (CD) cases, and 4004 controls. Data were analyzed using STATA software. Overall, association between C-260T polymorphism and increased UC risk was significant in allelic comparison (odds ratio [OR]  =1.21, 95% confidence interval [CI]: 1.02-1.43; P=0.027), homozygote model (OR  =1.44, 95% CI: 1.03-2.01; P=0.033), as well as dominant model (OR  =1.36, 95% CI: 1.06-1.75; P=0.016). However, there was negative association between this polymorphism and CD risk across all genetic models. Subgroup analyses by ethnicity suggested the risk-conferring profiles of -260T allele and -260 TT genotype with UC in Asians, but not in Caucasians. There was a low probability of publication bias.<br /><br />CONCLUSIONS/SIGNIFICANCE: Expanding previous results of individual studies, our findings demonstrated that CD14 gene C-260T polymorphism might be a promising candidate marker in susceptibility to UC, especially in Asians.




Wang, Z., Hu, J., Fan, R., Zhou, J., & Zhong, J. (2012). Association between CD14 Gene C-260T Polymorphism and Inflammatory Bowel Disease: A Meta-Analysis. PLoS ONE, 7(9).

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