东亚人群Klotho G-395A基因多态性与冠心病的Meta分析
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浙江省科技厅计划项目(2012C23087)和嘉兴市科技局项目(2012AY1070-1)


Polymorphism of Klotho G-395A and Susceptibility of Coronary Heart Disease in East-Asia Population: A Meta-Analysis
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    目的 应用Meta分析探讨东亚人群Klotho G-395A基因多态性与冠心病易感性的关系。方法 分别检索中英文数据,获取2013年12月之前发表的有关Klotho G-395A基因多态性与冠心病易感性的病例对照研究,应用Meta分析方法对纳入的研究结果进行定量合并,采用Stata12.0软件进行统计分析,同时进行异质性检验及敏感性分析。结果 共纳入文献6篇,累计病例组1560例,对照组1459例。以显性模型比较做Meta分析,异质性检验显示无统计学意义(P0.2,I230.8%),以固定效应模型合并,表明Klotho G-395A基因多态性与冠心病易感性的关系有统计学意义(OR1.24,95%CI:1.06~1.45,P0.009)。按照病例组是否完全行冠状动脉造影做亚组分析,显示两组内部均无明显异质性,均以固定效应模型合并,冠状动脉造影组显示GA/AA基因型个体患冠心病的风险高于GG基因型个体(OR1.38,95%CI:1.12~1.70,P0.003)。非完全冠状动脉造影组则显示GA/AA基因型个体与GG基因型个体之间患冠心病的风险无统计学差异(OR1.07,95%CI:0.84~1.37,P0.587)。分别采取随机效应模型或去除权重最大的研究或去除等位基因差异最大的研究行敏感性分析,所得OR值与总体模型类似,有统计学意义。Begg’s检验提示无明显发表偏倚。结论 Klotho G-395A基因多态性可能与东亚人群冠心病易感性有关。

    Abstract:

    Aim To investigate the association between polymorphism of Klotho G-395A and susceptibility of coronary heart disease (CHD) in East-Asia population. Methods PubMed, Embase, Cochrane Library, Sciencedirect, Springer, CBM disc, Wanfang database were searched for published case-control studies investigating the association between Klotho G-395A and CHD that were available before Dec.2013. Fixed or random effect models were selected for odds ratio (OR)calculation. A meta-analysis was performed to estimate heterogeneity and the pooled OR to evaluate the relationship between Klotho G-395A polymorphism and CHD. The sensitivity analysis was also assessed. Results A total of 6 case-control studies involving 1560 patients and 1459 controls were analyzed in the study. There were no significant heterogeneity found (dominant genetic model: P0.2, I230.8%). We observed a significant statistical association between Klotho G-395A polymorphism and CHD (dominant genetic model: OR1.24,95%CI: 1.06~1.45, P0.009). After stratification by case selection criteria based on complete coronary angiographic data or not, no significant heterogeneity was observed in both groups. A stronger association was observed in the group which all the patients underwent coronary angiography(OR1.38,95%CI: 1.12~1.70, P0.003), but negative association was found in the other group(OR1.07,95%CI:0.84~1.37,P0.587). There was no significant heterogeneity among the remaining trial after using random effect model or excluding the trial with the largest weight or the trial with larger frequencies of the allele A, respectively. And the pooled OR (95%CI) value of the frequencies of the genotype(GA+AA)/GG were similar. Publication bias was not found by Begg’s test. Conclusion Klotho G-395A polymorphism may be a susceptible factor of CHD in East-Asia population.

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李佳寅,胡小红,胡惠林,唐关敏.东亚人群Klotho G-395A基因多态性与冠心病的Meta分析[J].中国动脉硬化杂志,2014,22(11):1161~1166.

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  • 收稿日期:2014-04-18
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