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外周血miR-19a和miR-19b的检测在胃癌诊断中的临床意义 被引量:5

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摘要 目的:探讨血清miR-19a和miR-19b诊断胃癌的价值及其与临床病理特征的关系。方法:采用实时荧光定量PCR(RT-q PCR)技术检测61例正常人和61例胃癌患者血清中miR-19a和miR-19b的表达量,分析其表达与胃癌临床病理参数的关系,并绘制ROC曲线分析其诊断胃癌的价值。结果:胃癌患者血清miR-19a和miR-19b相对表达水平均高于正常对照组(P<0.05),其表达水平与临床分期及淋巴结有无转移显著相关(P<0.05),而与性别、年龄及吸烟史无相关性(P>0.05);miR-19a的ROC曲线下面积0.989,灵敏度95.1%,特异度94.0%;miR-19b的ROC曲线下面积0.983,灵敏度93.4%,特异度94.0%。结论:血清中miR-19a和miR-19b可作为一种非损伤性诊断方法,辅助胃癌诊断。
出处 《实用医学杂志》 CAS 北大核心 2015年第24期4078-4081,共4页 The Journal of Practical Medicine
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