miR-1285-3p通过下调肝细胞癌中JUN的表达,作为一种潜在的肿瘤抑制性微小RNA发挥作用。

miR-1285-3p acts as a potential tumor suppressor miRNA via downregulating JUN expression in hepatocellular carcinoma.

作者信息

Liu Jibing, Yan Jingchen, Zhou Changchun, Ma Qinghua, Jin Qingyan, Yang Zhenbin

机构信息

Department of Intervention Surgery, Shandong Cancer Hospital, Shandong Academy of Medical Sciences, 250117, Jinan, Shandong Province, China,

出版信息

Tumour Biol. 2015 Jan;36(1):219-25. doi: 10.1007/s13277-014-2622-5. Epub 2014 Sep 18.

Abstract

In the world, hepatocellular carcinoma (HCC) is one of the most common and most lethal cancers. Currently, standard therapy for unresectable HCC is a local-regional therapy with transarterial chemoembolisation (TACE). In this study, we sought to assess whether plasma circulating microRNAs (miRNAs) can be used to predict the prognosis of HCC patients receiving the TACE treatment. Firstly, we systematically examined TACE therapeutic effectiveness-related circulating miRNAs through miRNA Profiling Chips. As a result, we identified 19 circulating miRNAs to be significantly differentially expressed between the TACE-response group and the TACE-nonresponse group. In the second stage, we performed quantitative analyses of these candidate miRNAs in additional HCC patients treated with TACE and validated two of the aforementioned 19 miRNAs (miR-1285-3p and miR-4741) as candidate biomarkers for predicting prognosis of TACE. Interestingly, we found that miR-1285-3p could directly repress JUN oncogene expression in HCC cells, indicating miR-1285-3p could act as a potential tumor suppressor. In conclusion, our data indicate that circulating miR-1285-3p and miR-4741 was predictive of response to TACE therapy in HCC.

摘要

在全球范围内,肝细胞癌(HCC)是最常见且最致命的癌症之一。目前,不可切除HCC的标准治疗方法是经动脉化疗栓塞术(TACE)这种局部区域治疗。在本研究中,我们试图评估血浆循环微RNA(miRNA)是否可用于预测接受TACE治疗的HCC患者的预后。首先,我们通过miRNA芯片系统地检测了与TACE治疗效果相关的循环miRNA。结果,我们鉴定出19种循环miRNA在TACE反应组和TACE无反应组之间存在显著差异表达。在第二阶段,我们对另外接受TACE治疗的HCC患者中的这些候选miRNA进行了定量分析,并验证了上述19种miRNA中的两种(miR-1285-3p和miR-4741)作为预测TACE预后的候选生物标志物。有趣的是,我们发现miR-1285-3p可直接抑制HCC细胞中JUN癌基因的表达,表明miR-1285-3p可能作为一种潜在的肿瘤抑制因子。总之,我们的数据表明循环miR-1285-3p和miR-4741可预测HCC患者对TACE治疗的反应。

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