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肿瘤坏死因子-αC(-863)A单核苷酸多态性与血清水平及冠心病相关性研究 被引量:4

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摘要 目的研究肿瘤坏死因子-α(tumor necrosis factor-α,TNF-α)基因启动区上游C(-863)A单核苷酸多态性位点与中国人群冠心病及血清TNF-α水平的相关性。方法选择90例冠心病患者及年龄、性别相匹配的115例正常对照。聚合酶链反应-限制性片段长度多态性(PCR-RFLP)方法检测TNF-αC(-863)A基因型,比较2组基因型及等位基因频率分布。双抗体夹心ELISA方法检测血清TNF-α水平,比较不同基因型间血清TNF-α水平。结果冠心病组cc基因型频率(74.44%)明显高于正常对照组(60.86%)(P〈0.05);冠心病组c等位基因频率(85.56%)明显高于正常对照组(77.39%),A等位基因频率(14.44%)明显低于正常对照组(22.61%),2组比较差异均有统计学意义(均P〈0.05);冠心病组及正常对照组CC基因型者血清。TNF-α水平较其他2种基因型均有显著升高。结论 TNF-αC(-863)A单核苷酸多态与中国人群冠心病及血清。TNF-α水平相关,CC基因型及C等位基因可能是中国人群冠心病的遗传易患因子。
出处 《中国综合临床》 北大核心 2008年第1期16-18,共3页 Clinical Medicine of China
基金 江苏省南通市社会发展项目课题基金(S40015)
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