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NER XPA基因启动子多态性在膀胱癌中的临床意义研究

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摘要 目的探讨核苷酸切除修复(NER)XPA基因启动子A357G单核苷酸多态性(SNP)位点多态性变化与膀胱癌的相关性,以期为膀胱癌的防治提供潜在的分子靶点。方法选择2003年2月到2013年10月该院收治的膀胱癌患者98例,另取该院体检中心的健康体检者60例作为对照组。SNP位点多态性检测使用实时荧光定量PCR(RT-PCR)Taqman分析。结果对照组A/A、A/G和G/G基因型频率分别为26.7%、35.0%和38.3%,膀胱癌患者中A/A、A/G和G/G基因型频率分别为23.4%、28.6%和48.0%,两组G/G基因型频率比较差异有统计学意义(P<0.05),而A/A和A/G基因型频率比较差异无统计学意义(P>0.05)。XPA基因启动子A357GSNP位点G/G基因型表达与患者的年龄、性别差异无统计学意义(P>0.05),在临床分期、肿瘤分化程度和有无淋巴结转移的患者之间差异有统计学意义(P<0.05)。结论 XPA基因启动子A357GSNP位点G/G基因型与膀胱癌易感性密切相关,对膀胱癌的早期筛查、肿瘤分级以及预后评估等方面具有一定的临床指导意义。
出处 《重庆医学》 CAS CSCD 北大核心 2014年第31期4237-4239,共3页 Chongqing medicine
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