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血管内皮生长因子Rs3025039基因多态性与脑卒中关联研究的Meta分析

2017-10-17徐炳东麦鸿成陈丹霞周锐意徐安定张玉生

中风与神经疾病杂志 2017年9期
关键词:模型研究

徐炳东, 詹 锐, 麦鸿成, 陈丹霞, 周锐意, 徐安定, 张玉生

血管内皮生长因子Rs3025039基因多态性与脑卒中关联研究的Meta分析

徐炳东1, 詹 锐2, 麦鸿成1, 陈丹霞1, 周锐意1, 徐安定1, 张玉生1

目的系统评价血管内皮生长因子(vascular endothelial growth factor,VEGF) Rs3025039基因多态性与脑卒中关联性。方法检索PubMed、EMbase、Wed of Science、The Cochrane Library、Elsevier、中国知网、中国生物医学文献数据库、万方数据库、维普数据库和中国科技论文在线中关于VEGF Rs3025039 基因多态性与脑卒中关系研究,对纳入研究进行方法学质量评价,采用Rev Man 5.3软件进行Meta分析。结果共纳入11项研究,其中10项研究均为亚洲人群。包括病例3597例,对照2748例。分析结果显示:(1)VEGF Rs3025039 T/C等位基因、TT/CC基因型、遗传显性模式和隐性模式的合并OR值以及95%CI分别是1.25(1.15~1.37)、1.38(1.08~1.76)、1.26(1.03~1.54)和1.33(1.06~1.68),均P<0.05;(2)杂合基因型CT相对于CC的合并OR值及95%CI为1.12(0.86~1.46),P=0.40;(3)在显性模式下,脑梗死组纳入7项研究(OR=1.31,95%CI1.01~1.70),脑出血组纳入3项研究(OR=1.09,95%CI0.68~1.73),大动脉粥样硬化型组纳入3项研究(OR=1.36,95%CI0.74~2.51),小动脉闭塞型组纳入4项研究(OR=1.25,95%CI0.90~1.73),均P>0.05。结论VEGF Rs3025039 T位点多态性可能增加脑卒中风险,特别在中国等亚洲人群中。

血管内皮生长因子; 基因多态性; 脑卒中; Meta分析

Abstract:ObjectiveTo evaluate the relationship between vascular endothelial growth factor (VEGF) gene Rs3025039 polymorphism and stroke by a meta-analysis.MethodsAll eligible published literatures regarding to the VEGF Rs3025039 polymorphism and stroke were retrieved from searching PubMed,EMbase,Wed of Science,The Cochrane Library,Elsevier,China National Knowledge Infrastructure,China Biology Medicine disc,WanFang Data,VIP Database for Chinese Technical Periodicals,Sciencepaper Online. The methodological quality of the included studies was evaluated and meta-analysis was performed with Rev Man 5.3 software.ResultsA total of 11 case-control studies with 3597 stroke cases and 2748 controls,of which 10 were Asian,were recruited into this study. The meta-analysis revealed that the combined odds ratio (OR) for T allele was 1.25(1.15~1.37) times higher than C allele;TheORfor homozygous TT and CC was 1.38(1.08~1.76);TheORsof dominant model and recessive model were 1.26(1.03~1.54) and 1.33(1.06~1.68) respectively;All abovePvalues were less than 0.05.TheORfor heterozygous CT and CC was 1.12(0.86~1.46),P=0.40.Under the dominant model,theORof infarction group (including 7 studies),hemorrhage group (including 3 studies),large artery atherosclerosis group (including 3 studies),small artery occlusion group (including 4 studies) was 1.31(1.01~1.70),1.09(0.68~1.73),1.36(0.74~2.51),1.25(0.90~1.73),respectively. However,allPvalues were more than 0.05.ConclusionThe VEGF T polymorphism may be a risk factor for stroke,especially in Chinese and other Asians.

Keywords: VEGF; Polymorphism; Stroke; Meta-analysis

脑卒中发病机制复杂,可能是遗传和环境等多种因素共同作用的结果[1]。全基因组关联研究已筛查到一些脑卒中易感基因,但这些易感基因对脑卒中的真正贡献仍不清楚[2]。血管内皮生长因子(vascular endothelial growth factor,VEGF)是目前公认最重要、最有效的一种高度特异性促血管内皮生长的细胞因子,与脑卒中关系密切,参与动脉粥样硬化、血管生成、脑水肿及脑卒中后血管修复等[3]。人类VEGF基因至少有30个单核苷酸多态性位点,其中Rs3025039(936C/T)是VEGF基因多态性与脑卒中关系研究的热门位点,但因不同研究在检测方法、样本量大小、研究群体等不同,导致VEGFRs3025039基因多态性与脑卒中的关系存在争论。本研究拟收集国内外有关探讨VEGF Rs3025039 (936C/T)基因多态性与脑卒中发病关系的研究,系统评价二者之间关系,旨在为脑卒中防治提供一定依据。……

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