摘要
目的探讨微小RNA(miRNA,miR)-34a在肝癌组织中表达及其与临床病理特征的关系。方法应用实时定量聚合酶链反应(Real-timePCR)技术检测59例肝癌及其癌旁组织中miR-34a的表达量,并分析miR-34a在不同组织中的表达差异及其与肝癌临床病理特征间的关系,探讨miR-34a在肝癌发生与进展中的重要作用。结果肝癌组织中miR-34a的相对表达量(0.52±0.21)明显低于正常肝组织(5.57±1.48,P〈0.05),病理分级Ⅲ-Ⅳ级(0.32±0.12)和TNM分期Ⅲ-Ⅳ期(0.35±0.13)的肝癌患者组织中miR-34a的表达水平明显低于Ⅰ-Ⅱ级(0.69±0.22,0.72±0.19;P〈0.01)。结论miR-34a表达水平与肝癌发生发展及恶性程度密切相关。
Objective To investigate the clinicopathologic significance of microRNA (miRNA, miR) - 34a expression in hepatocellular carcinomas (HCC). Methods Real - time quantitative polymer- ase chain reaction ( Real - time PCR) was used to quantify miR - 34a expression in 59 pairs of HCC tis- sues and matched normal hepatic tissues. The association of miR - 34a expression with the clinicopatholog- ic features was evaluated. Results The expression of miR - 34a was significantly downregulated in HCC tissue samples (0. 52 ± 0. 21 ) compared to matched normal tissues (5.57 ± 1.48, P 〈 0. 05). MiR - 34a was highly expressed in HCC with a low pathological grade ( Ⅰ - Ⅱ: 0. 69±0. 22) but markedly decreased in grade (Ⅲ - Ⅳ : 0. 32 ±0. 12) tumors (P 〈0.01 ). In addition, there was significant difference in the expression of miR - 34a between patients with TNM stages Ⅰ - Ⅱ (0. 72 ± 0. 19 ) and those with stage Ⅲ - Ⅳ (0. 35 ± 0. 13 ) HCC ( P 〈 0. 01 ). Conclusion The expression of miR - 34a is closely relat- ed to the development and progression of HCC.
出处
《中华实验外科杂志》
CAS
CSCD
北大核心
2016年第12期2759-2760,共2页
Chinese Journal of Experimental Surgery
基金
武汉市中心医院青年基金(YQ14A02)