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Review
. 2016 Apr 23:9:104-9.
doi: 10.1016/j.mgene.2016.04.004. eCollection 2016 Sep.

Apolipoprotein C3 gene variants and the risk of coronary heart disease: A meta-analysis

Yan Li  1 , Chao Li  2 , Jie Gao  3
Affiliations
Review

Apolipoprotein C3 gene variants and the risk of coronary heart disease: A meta-analysis

Yan Li et al. Meta Gene. .

Abstract

Background: It has been reported that three common loci, SstI, C-482T, and T-455C, in the apolipoprotein C3 (APOC3) gene might be associated with an increased risk of coronary heart disease (CHD). Considering the inconsistent results and ethnicity variations, we performed a systematic meta-analysis to evaluate the association between three single nucleotide polymorphisms (SNPs) and the risk of CHD.

Methods: We searched HuGE Navigator and PubMed databases to screen for the related literature published before 25 September, 2015. Two independent reviewers extracted the data and assessed the study quality. A random-effect model was used to pool the effect size.

Results: A total of 29 studies met inclusion criteria. Nineteen studies, including 11,186 subjects relative to SstI, five studies comprising 3727 subjects relative to C-482T, and nine studies with 6753 subjects relative to T-455C were included in the final analysis. A significant increase in CHD risk was observed in the SstI polymorphism (S2 versus S1: odds ratio [OR] = 1.30, 95% confidence interval [CI] 1.10-1.55. There was also a significant increasing trend of CHD risk in the T-455C polymorphism (C versus T: OR = 1.28, 95% CI 1.16-1.41. However, no associations between C-482T and CHD risk were found in this meta-analysis.

Conclusions: The pooled evidence suggests that two SNPs (SstI and T-455C) are associated with an increased risk of CHD. However, because of the limited sample size and heterogeneity, further large-scale and well-designed studies are needed to validate our findings.

Keywords: Apolipoprotein C3; Coronary heart disease; Meta-analysis.

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Figures

Fig. 1
Fig. 1
Study selection flow diagram.
Fig. 2
Fig. 2
Forest plot of allele comparison of SstI polymorphism (S2 versus S1).
Fig. 3
Fig. 3
Forest plot of allele comparison of T-455C polymorphism (C versus T).
Fig. 4
Fig. 4
Forest plot of allele comparison of C-482T polymorphism (T versus C).
See this image and copyright information in PMC

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