CD14 C-260T gene polymorphism and ischemic heart disease susceptibility: A HuGE review and meta-analysis

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Abstract

Abstract:

The CD14 gene C-260T polymorphism has been reported to be associated with ischemic heart disease, but results were conflicting. To evaluate the role of the CD14 C-260T polymorphism in ischemic heart disease, we performed meta-analyses of all available data. Comprehensive searches for studies on the association between the genotypes (CC, CT, TT) distributions and ischemic heart disease risk were performed. Patients with acute coronary syndrome, prior myocardial infarction, stable angina pectoris, or angiographic coronary artery stenosis were included. Potential sources of heterogeneity were explored by meta-regression. Analyses were performed under European, East Asian, and Indian studies, respectively. Data were available for 19 studies involving 11,813 cases and 6,196 controls. The summary odds ratio under the recessive model was 1.53 (95% confidence interval: 1.20–1.96) for East Asian studies published in English language journals on overall ischemic heart disease. Pooled odds ratios under the codominant model were about 1.81 (95% confidence interval: 1.36–2.40) and 1.70 (95% confidence interval: 1.26–2.29) for Chinese studies on overall ischemic heart disease and other ischemic heart disease (angina pectoris and angiographic coronary artery stenosis), respectively. No significant association was found in a European population, an Indian population, or the vulnerable plaque ischemic heart disease (acute coronary syndrome and prior myocardial infarction) subgroup of an East Asian population. It is probable that T allele and TT genotype are associated with ischemic heart disease in the East Asian population but not in the European or Indian populations. Further studies are warranted to assess these associations in greater details, especially in East Asian and Indian populations.

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