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MDR1基因多态性与肝癌易感性的关系
Authors
冯水土
张永兴
杨芳
陈毅德
Publication date
15 December 2009
Publisher
Abstract
目的:探讨MDR1基因位点单核苷酸多态性与肝癌易感性的关系。方法:采用病例对照研究,应用聚合酶链反应限制性片段长度多态性(PCR-RFLP)基因型分析技术测定原发性肝癌组及正常健康对照组各100例MDR1基因G2677T/A位点。以χ2检验比较MDR1多态基因型及相关危险在病例与对照之间分布的差异,采用非条件Logistic回归分析多态基因型与肝癌发生危险度的关系。结果:肝癌组MDR1基因2677A携带型低于健康对照组(P<0.05);经Logistic回归分析发现2677A携带型的个体患肝癌的危险显著降低,2677A携带型暴露于危险因素下患肝癌风险降低。肝癌组MDR1基因2677T携带型高于健康对照组(P<0.05);经Logistic回归分析发现2677T携带型的个体患肝癌的危险增加,2677T携带型暴露于危险因素下患肝癌风险增高。结论:MDR1基因2677A多态性可能是防止肝癌形成的保护因素,2677T多态性可能是肝癌形成的易感因素
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Last time updated on 16/06/2016