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肺癌患者血浆miR-3151表达水平与临床病理特征的相关性研究

Journal of Modern Laboratory Medicine(2020)

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Abstract
目的 探讨肺癌患者血浆中miR-3151的表达及其与患者临床病理特征的关系.方法 收集十堰市太和医院2018年10月~2019年10月确诊的120例肺癌患者(肺癌组)及同期120例体检健康者(对照组)的血浆样本,实时荧光定量PCR(quantitative real-time PCR,qRT-PCR)技术检测两组血浆miR-3151的表达水平,分析血浆miR-3151的表达与肺癌患者临床病理特征的关系.受试者工作特征曲线(receiver operating characteristic curve,ROC)用以评估血浆miR-3151单独及联合细胞角蛋白19片段(cytokeratin-19 fragment,CYFRA21-1)、神经元特异性烯醇化酶(neuron-specific enolase,NSE)和癌胚抗原(carcinoembryonic antigen,CEA)对肺癌的诊断价值.结果 肺癌组血浆miR-3151(nmol/L)显著高于对照组[86.356(19.893,305.155)vs 8.871(4.620,14.037)],差异有统计学意义(Z=-10.039,P<0.001).血浆miR-3151的表达上调与肺癌患者淋巴结转移(Z=-2.336,P=0.019)和临床分期(Z=-2.628,P=0.009)相关.血浆miR-3151,CYFRA21-1,NSE及CEA单独用于诊断肺癌的曲线下面积(area under the cure,AUC)分别为0.875(95%CI:0.830~0.919),0.704(95%CI:0.639~0.770),0.769(95%CI:0.707~0.830)和0.632(95%CI:0.562~0.702),当miR-3151联合NSE时,诊断肺癌的AUC增加至0.909(95%CI:0.872~0.946),较单独诊断时有明显提高.结论 miR-3151在肺癌患者血浆中表达上调,与肿瘤进展相关,有成为肺癌诊断标志物的潜能.
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