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内皮型一氧化氮合酶基因多态性在血管性认知障碍发病中的作用

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摘要 目的探讨内皮型一氧化氮合酶(eNOS)基因多态性在血管性认知障碍(VCI)发病中的作用。方法选取146例VCI患者(VCI组),160例健康体检者(对照组)进行病例对照研究。应用PCR-RFLP技术测定eNOS基因894G/T位点及4b/4a位点单核苷酸多态性的分布,并进一步经高血压分层,分析各基因型与VCI之间的关系。结果两组间eNOS基因894G/T位点各基因型和等位基因频率比较,差异均有统计学意义(P<0.05),经过高血压分层后,在高血压(+)的亚组中,这种差异同样存在统计学意义(P<0.05)。两组间eNOS基因4b/4a位点各基因型和等位基因频率比较,差异均无统计学意义(P>0.05)。结论 eNOS基因894G/T位点多态性与VCI和高血压存在相关性,T等位基因可能是其易感基因。eNOS基因894G/T位点多态性可能是通过影响高血压而间接影响认知功能。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2014年第12期3242-3245,共4页 Chinese Journal of Gerontology
基金 山东省自然科学基金(ZR2010HM021)
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参考文献16

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