A Study on TNF-α Gene Polymorphism in RA Patients and its Singificance
朱月永, 叶德富, 卓光生, 张胜利, 林经安, 梁晓华
Abstract
朱月永, 叶德富, 卓光生, 张胜利, 林经安, 梁晓华
Abstract
目的 探讨肿瘤坏死因子(TNF)-α基因多态性与类风湿性关节炎(RA)的相关性.方法采用等位基因特异引物多聚酶链反应(PCR)方法对34例RA患者与35例对照组的TNFα-308位基因进行TNF1和TNF2基因型检测,并采用ELISA法检测其血清中TNFα的含量.结果 RA患者TNF2的基因型分布以TNF2为主(52.9%),正常对照组的基因型分布以TNF1为主(68.6%),两者有显著性差异(χ2=27.71,P<0.01).RA患者血清中TNFα含量明显高于正常对照组(P<0.01),不同TNF基因表型的RA患者血清中TNFα含量有显著性差异(F=32.60,P<0.01),TNF2及杂合型基因表型RA患者血清中TNFα含量明显高于TNF1者.结论 TNFα-308的基因多态性直接影响着TNF分泌,可能与RA的发病及病情相关。
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目的 探讨肿瘤坏死因子(TNF)-α基因多态性与类风湿性关节炎(RA)的相关性.方法采用等位基因特异引物多聚酶链反应(PCR)方法对34例RA患者与35例对照组的TNFα-308位基因进行TNF1和TNF2基因型检测,并采用ELISA法检测其血清中TNFα的含量.结果 RA患者TNF2的基因型分布以TNF2为主(52.9%),正常对照组的基因型分布以TNF1为主(68.6%),两者有显著性差异(χ2=27.71,P<0.01).RA患者血清中TNFα含量明显高于正常对照组(P<0.01),不同TNF基因表型的RA患者血清中TNFα含量有显著性差异(F=32.60,P<0.01),TNF2及杂合型基因表型RA患者血清中TNFα含量明显高于TNF1者.结论 TNFα-308的基因多态性直接影响着TNF分泌,可能与RA的发病及病情相关。
Key concepts: Genetics, Gene, Polymorphism (computer science), Medicine, Biology, Genotype