Apolipoprotein M T-778C polymorphism is associated with serum lipid levels and the risk of coronary artery disease in the Chinese population: a meta-analysis

Lipids in Health and Disease - Tập 12 - Trang 1-10 - 2013
Zhi Zhang1, Guang Chu1, Rui-Xing Yin2
1Department of Cardiology, People’s Republic of China, Shanghai First People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai
2Department of Cardiology, People’s Republic of China, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi

Tóm tắt

The apolipoprotein M (APOM) T-778C gene polymorphism has been associated with serum lipid levels and the risk of coronary artery disease (CAD), but the results are inconclusive. The purpose of this meta-analysis was to detect the association between the APOM T-778C polymorphism and serum lipid levels and the risk of CAD in the Chinese population. Databases of MEDLINE, EMBASE, the Cochrane Library and CNKI were systematically searched. Data were extracted using standardized methods. The association was assessed by mean difference (MD) with 95% confidence intervals (CI) or odds ratio (OR) with 95% CI. Ten studies with 4,413 patients were included in this meta-analysis. Pooled effects indicated that CT+CC group had higher levels of total cholesterol (TC) (MD:-0.36, 95% CI: -0.53 – -0.19, P < 0.0001) and low-density lipoprotein cholesterol (LDL-C) (MD: -0.08, 95% CI: -0.16 – -0.01, P = 0.03) than TT group. There was no difference in the levels of triglyceride (MD: 0.06, 95% CI: -0.04 – 0.15, P = 0.22) and high-density lipoprotein cholesterol (MD: 0.00, 95% CI: -0.03–0.03, P = 0.93) between TT and CT+CC groups. Pooled effects showed that CAD group had higher CT+CC genotype frequency than control group (OR: 1.97, 95% CI: 1.62–2.39, P < 0.00001; heterogeneity test x2 = 2.96, P = 0.71, I2 = 0%). The results of the current meta-analysis show that the CT+CC group has higher levels of TC and LDL-C than the TT group. Moreover, there is also a prominent association between APOM T-778C polymorphism and the risk of CAD in the Chinese population, the CT+CC genotype is associated with increased risk of CAD.

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