首页> 外文期刊>The Canadian Journal of Neurological Sciences: le Journal Canadien des Sciences Neurologiques >Meta-analysis of aldehyde dehydrogenase 2 gene polymorphism and Alzheimer's disease in East Asians.
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Meta-analysis of aldehyde dehydrogenase 2 gene polymorphism and Alzheimer's disease in East Asians.

机译:乙醛脱氢酶2基因多态性与阿尔茨海默氏病的Meta分析。

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BACKGROUND: The association of genetic polymorphism of mitochondrial aldehyde dehydrogenase 2 (ALDH2) and Alzheimer's disease (AD) has been controversial and has been investigated only in several small-sample studies. In the present study, we performed a meta-analysis to evaluate the cross-sectional association of ALDH2 variants and AD risk in East Asian populations. METHODS: Trials were retrieved through MEDLINE, EMBASE, J-STAGE and the China National Knowledge Internet databases (from January 1, 1994 to November 1, 2010) without any restriction on language. Data were abstracted by a standardized protocol. RESULTS: We found four studies of 821AD patients and 1380 healthy controls that qualified for the analysis. The variant ALDH2 genotype GA/AA was not associated with increased AD risk (odds ratio (OR) = 1.35; 95% confidence interval (CI) = 0.75-2.42; p = 0.32), even after stratification for the status of apolipoprotein E epsilon 4 allele. However, in the subgroup analyses, the association was significant for men (OR = 1.72; 95% CI = 1.10-2.67; p = 0.02). CONCLUSIONS: This study adds to the evidence that ALDH2 GA/AA genotype increases the risk of AD among East Asian men, although the effect size is moderate.
机译:背景:线粒体醛脱氢酶2(ALDH2)的遗传多态性与阿尔茨海默氏病(AD)的关联一直存在争议,仅在几个小样本研究中进行了研究。在本研究中,我们进行了荟萃分析,以评估ALDH2变体的横断面关联与东亚人群的AD风险。方法:从MEDLINE,EMBASE,J-STAGE和中国国家知识互联网数据库(从1994年1月1日至2010年11月1日)检索试验,而不受语言限制。通过标准化协议对数据进行抽象。结果:我们发现有821例AD患者和1380例健康对照符合条件的四项研究。即使将载脂蛋白Eε的状态分层后,变体ALDH2基因型GA / AA也不与AD风险增加相关(奇数比(OR)= 1.35; 95%置信区间(CI)= 0.75-2.42; p = 0.32)。 4个等位基因。但是,在亚组分析中,该关联对于男性是显着的(OR = 1.72; 95%CI = 1.10-2.67; p = 0.02)。结论:本研究增加了证据,尽管影响规模中等,但ALDH2 GA / AA基因型增加了东亚男性AD的风险。

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