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高龄孕产妇辅助生殖技术胎盘组织印迹基因甲基化状态与妊娠结局的关系 被引量:1

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摘要 目的分析高龄孕产妇辅助生殖技术(ART)胎盘组织印迹基因甲基化状态及其与妊娠结局的关系。方法选取ART受孕的高龄孕产妇46例为研究组,同期自然受孕的45例高龄孕产妇为对照组,根据妊娠结局分为良性结局亚组与不良结局亚组。均在终止妊娠时收集胎盘组织,采用焦磷酸测序法进行PEG3、MEG3、LIT1、H19及SNRPN印迹基因甲基化检测。结果研究组LIT1、H19基因甲基化率低于对照组,MEG3基因甲基化率高于对照组,差异均有统计学意义(均P<0.05)。研究组良性妊娠结局33例(71.74%),对照组良性妊娠结局41例(91.20%),两组差异有统计学意义(PP>0.05)。研究组中不同妊娠结局患者PEG3去甲基化、H19去甲基化发生情况差异均有统计学意义(均P<0.05)。回归分析结果显示PEG3去甲基化、H19去甲基化均是不良妊娠结局的危险因素(均P<0.05)。结论ART可能增加高龄孕产妇PEG3、LIT1、H19、SNRPN基因去甲基化状态与MEG3基因过甲基状态,增加不良妊娠结局风险。
出处 《现代实用医学》 2020年第4期452-454,458,共4页 Modern Practical Medicine
基金 温州市科技计划项目(2014Y0135)。
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