CYP3A5*3和CYP3A4*18B基因多态性与抗结核药物性肝损伤的关系

Chinese Journal of Disease Control & Prevention(2016)

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Abstract
目的 探讨CYP3A5*3和CYP3A4*18B基因多态性与抗结核药物性肝损伤的关系.方法 采用病例对照研究设计,发生肝损伤的患者中随机选取175例作为病例组,未发生肝损伤的患者中随机选取185例作为对照组,采用聚合酶链反应-限制性片段长度多态性技术检测研究对象CYP3A5*3、CYP3A4*18B基因多态性.结果 CYP3A5* 3-6986A>G位点AA、AG、GG基因型在病例组和对照组频率分别为4.5%、38.9%、56.6%和16.7%、41.1%、42.2%;CYP3A4*18B-20232G>A位点GG、GA、AA基因型在病例组和对照组频率分别为42.3%、46.9%、10.8%和58.9%、34.1%、7.0%,组间差异均有统计学意义(均有P<0.05).交互作用分析中CYP3A5*3(G)/CYP3A4* 18B(G)、CYP3A5* 3(G)/CYP3A4* 18B(A)分别与CYP3A5*3(A)/CYP3A4* 18B(G)比较,差异均有统计学意义(均有P<0.05);CYP3A5* 3(A)/CYP3A4* 18B(A)与CYP3A5*3(A)/CYP3A4* 18B(G)比较,差异无统计学意义(X2 =0.002,P=0.964).结论 CYP3A5*3及CYP3A4* 18B基因多态性与抗结核药物性肝损伤的发生均有关联;CYP3A5*3、CYP3A4* 18B两个位点突变可能升高抗结核药物性肝损伤的发生风险,与均不突变相比,CYP3A5*3单一突变也可能升高抗结核药物性肝损伤发生的风险.
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Key words
Anti-tuberculosis drugs,Liver,Polymorphism,single nucleotide
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