Mechanism of action of circular RNAs in hepatocellular carcinoma
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摘要: 肝细胞癌(HCC)是全球癌症相关死亡的主要原因之一,存在较高的病死率和复发率,生存率极低。环状RNA (circRNAs)是一类具有组织发育特异性表达模式的单链闭合环状RNA分子,在生物体内发挥调控作用,这些circRNAs通过充当miRNA海绵和靶向蛋白编码基因来调节HCC的进展,但其基本机制仍不清楚。归纳了circRNAs的形成机制及其生物学功能,并综述了circRNAs在HCC发病机制中的作用,提出其作为HCC诊断标志物和治疗靶点的潜在价值。Abstract: Hepatocellular carcinoma( HCC) is one of the leading causes of cancer-related death worldwide and has high mortality and recurrence rates and low survival rates. Circular RNAs( circRNAs) are a class of single-stranded closed circular RNA molecules with tissue-and development-specific expression and play a regulatory role in organisms. These circRNAs regulate the progression of HCC by acting as miRNA sponges and targeted protein-coding genes,but the basic mechanism is still unclear. This article summarizes the formation mechanism and biological functions of circRNAs,reviews the research advances in the role of circRNAs in the pathogenesis of HCC,and points out their potential value as diagnostic markers and therapeutic targets for HCC.
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Key words:
- carcinoma,hepatocellular /
- circRNAs /
- gene expression regulation
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