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尿液中T1E4 mRNA对于早期诊断前列腺癌的意义 被引量:1

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摘要 目的:通过实时荧光定量RT-PCR技术来测定病人尿液样本中的TMPRSS2-ERG融合基因的亚型T1E4 mRNA的表达水平来探讨其在前列腺癌早期诊断中的价值和意义。方法:本实验所有实验样本共61例,均来源于近两年半在佳木斯大学附属第一医院泌尿外科就诊的前列腺癌病人、良性前列腺增生病人、因PSA>4μg/m L、直肠指检异常的患者。其中,共36例为前列腺癌(+)患者。25例为前列腺癌(-)患者。所有病人经前列腺按摩后立即留取病人的初段尿液,冰水冷却后离心,收集尿沉渣,D-Hanks洗涤后保存。提取病人标本中的RNA,应用RT-PCR技术测定T1E4 mRNA的含量,然后应用统计学方法(SPSS 16.0软件)来观察T1E4 mRNA在前列腺癌病人尿液中的表达情况。结果:TMPRSS2-ERG融合基因可在23例经过前列腺按摩后的病人尿液中被检测到,灵敏度为37%(23/61),阳性率为63%(23/36)。结论:TMPRSS2-ERG融合基因(特别是亚型T1E4 mRNA)在前列腺癌病人尿液中敏感性和特异性较高。因此在临床上其可以为前列腺癌病人的早期诊断提供巨大帮助。
作者 李亮 罗振国
出处 《黑龙江医药科学》 2015年第6期69-70,72,共3页 Heilongjiang Medicine and Pharmacy
基金 黑龙江省自然基金项目 编号:H2015073
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