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外周血MYL9基因在非小细胞肺癌中的表达及意义

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摘要 目的:研究肌球蛋白轻链(MYL9)基因在非小细胞肺癌(NSCLC)患者外周血中的表达情况及其与NSCLC临床特征的意义。方法:采用实时荧光定量PCR(qRT-PCR)检测48例NSCLC患者(实验组)及48例健康体检者(对照组)外周血中MYL9基因的mRNA的表达情况,并分析MYL9基因的mRNA表达情况与NSCLC临床特征的关系。结果:实验组外周血中MYL9基因的mRNA相对表达量为(3.16±1.59),对照组为(2.16±1.13),两组比较实验组高于对照组(P<0.01);实验组术前外周血中MYL9基因的mRNA相对表达量为(3.57±1.63),术后为(5.49±2.55),两者比较术后高于术前(P<0.01);MYL9基因的mRNA相对表达量与年龄、性别、肿瘤大小、病理类型、肿瘤TNM分期、淋巴结转移情况及吸烟情况均无关(P>0.05)。NSCLC患者低分化组外周血中MYL9基因的mRNA相对表达量为(4.02±0.54),中、高分化组为(2.67±1.42),两者比较低分化组高于中、高分化组(P=0.022)。结论:MYL9基因在NSCLC患者外周血中表达上调,其表达水平与NSCLC的发生发展和细胞分化不良密切相关,NSCLC患者外周血中MYL9表达水平可能是预测NSCLC恶性行为的有效指标。
出处 《广西医科大学学报》 CAS 2016年第1期60-63,共4页 Journal of Guangxi Medical University
基金 广西壮族自治区高等学校科学研究课题资助项目(No.桂教立项项目KY2015LX053) 广西科学研究与技术开发计划课题资助项目(No.桂科攻10124001A-47)
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