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对氧磷酯酶-1基因多态性与2型糖尿病性肾病的关系研究

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摘要 目的结合对氧磷酯酶-1(PON1)的活性,探讨其基因多态性与2型糖尿病并发肾病的关系。方法应用聚合酶链反应-限制性片段长度(PCR-RFLP)分析探讨PON1基因A192B多态性在正常对照组、单纯2型糖尿病组和糖尿病肾病组分布情况;血清PON1活性以对氧磷为底物用光电比色法测定。结果①糖尿病肾病组BB基因型和B等位基因频率明显高于糖尿病组(χ^2=7.839,P〈0.05,χ^2=53.22,P〈0.01)和正常对照组(χ^2=4.237,P〈0.05,χ^2=29.057,P〈0.05)。②92例2型糖尿病患者的PON1活性比81例正常对照组显著降低[(150.9±49.7)kU/L与(226.6±64.9)kU/L,P〈0.05],且2型糖尿病并发肾损害者活性下降更显著[(150.9±47.9)kU/L与(103.3±36.8)kU/L,P〈0.01],回归分析表明BB基因型是糖尿病肾病的独立危险因素。结论PON1基因多态性与糖尿病性肾病有关。
出处 《中国综合临床》 北大核心 2007年第2期134-136,共3页 Clinical Medicine of China
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