中国人群载脂蛋白B基因XbaI多态性与脑梗死关系的Meta分析

目的对中国人载脂蛋白B基因XbaI酶切位点限制性片段长度多态性与脑梗死关系进行Me-ta分析。方法通过文献检索收集相关病例对照研究,对纳入文献进行异质性检验及合并分析。结果纳入11篇文献合并统计,总体效应检验未发现统计学上的差异(Z=1.72,P=0.08);分组分析发现北方人群XbaI多态性位点在X-X /X X 基因型水平与脑梗死发病有统计学意义(OR=2.66,95%CI:1.67～4.24);南方人群在此基因型水平无统计学差异(OR=1.26,95%CI:0.90～1.77)。结论Meta分析提示载脂蛋白B基因XbaI多态性位点可能增加中国北方人群脑梗死风险,对南方人群的影响尚不确定。

Meta-analysis on relationship between ApoB gene XbaI polymorphism and cerebral infarction in Chinese population

Objective The relationship between XbaI polymorphism of ApoB gene and cerebral infarction(CI)among Chinese population was assessed by Meta-analysis.Methods All related case-control studies were collected from all publications,the relevant studies were identified after eliminating those poor-qualified studies.Meta-analysis was conducted for investigating heterogeneity among individual studies,and summarizing the effects across studies.Results The combined data statistics revealed the frequencies of the X-X /X X genotypes showed no statistically difference(Z=1.72,P=0.08).Through the subgroup analysis,it was obviously increase the risk of CI in Chinese northern population(OR=2.66,95%CI:1.67~4.24),but no statistically difference in Chinese southern population(OR=1.26,95%CI:0.90~1.77).Conclusions ApoB gene XbaI polymorphism may be significantly associated with susceptibility of CI in Chinese northern population,but not a definite risk for Chinese southern population.