GSTM1和GSTT1多态性和孕前的风险:一个系统审查和元分析
1Department of Gynecology and Obstetrics, Key Laboratory of Obstetrics and Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, West China Second Hospital, Sichuan University, Chengdu, P.R. China.
这次元分析没有发现谷氨S转移酶 (GST) 基因多态性 (GSTT1和GSTM1) 与孕前风险之间的关联. 需要进一步的研究来澄清这些遗传变异在子宫前中的作用.
科学领域:
- 遗传学 遗传学 是一个
- 产科 产科 产科 产科 产科
- 生物化学 生物化学
背景情况:
- 氧化应激与子宫前病理生理学有关.
- 谷氨S转移酶 (GST) 酶可以防止氧化应激.
- 之前关于GSTT1和GSTM1多态性和孕前风险的研究是相互矛盾的.
研究的目的:
- 评估GSTT1和GSTM1基因多态化与患孕前的风险之间的关联.
- 通过全面的元分析来综合现有证据.
主要方法:
- 在多个数据库 (Medline,Embase,CNKI,CMB) 进行了系统的文献搜索.
- 包括了符合条件的研究,这些研究调查了与子宫前相关的GSTT1和GSTM1多态.
- 聚合的赔率比率 (ORs) 和95%的置信区间 (CI) 使用固定效应或随机效应模型进行计算.
主要成果:
- 在分析中包括了11项研究.
- 综合分析表明,GSTT1和GSTM1多态度与孕前风险之间没有显著的关联.
- 观察到GSTT1多态的异质性,其中一个研究被确定为来源;其排除减少了异质性.
结论:
- 目前的分析表明,GSTT1和GSTM1的多态可能与患子前风险增加无关.
- 这些发现有助于澄清先兆子的遗传基础.
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