Cancer Molecular Biology Branch, Research Institute, National Cancer Center, Goyang, 10408, Korea.
Department of Cancer Biomedical Science, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, 10408, Korea.
Exp Mol Med. 2024 May;56(5):1080-1106. doi: 10.1038/s12276-024-01224-z. Epub 2024 May 1.
Recent progress in the investigation of microRNA (miRNA) biogenesis and the miRNA processing machinery has revealed previously unknown roles of posttranscriptional regulation in gene expression. The molecular mechanistic interplay between miRNAs and their regulatory factors, RNA-binding proteins (RBPs) and exoribonucleases, has been revealed to play a critical role in tumorigenesis. Moreover, recent studies have shown that the proliferation of hepatocellular carcinoma (HCC)-causing hepatitis C virus (HCV) is also characterized by close crosstalk of a multitude of host RBPs and exoribonucleases with miR-122 and its RNA genome, suggesting the importance of the mechanistic interplay among these factors during the proliferation of HCV. This review primarily aims to comprehensively describe the well-established roles and discuss the recently discovered understanding of miRNA regulators, RBPs and exoribonucleases, in relation to various cancers and the proliferation of a representative cancer-causing RNA virus, HCV. These have also opened the door to the emerging potential for treating cancers as well as HCV infection by targeting miRNAs or their respective cellular modulators.
近年来,人们对 microRNA(miRNA)生物发生和 miRNA 加工机制的研究取得了进展,揭示了转录后调控在基因表达中的未知作用。miRNA 与其调控因子(RNA 结合蛋白(RBP)和外切核酸酶)之间的分子机制相互作用,被证明在肿瘤发生中起着关键作用。此外,最近的研究表明,导致肝细胞癌(HCC)的丙型肝炎病毒(HCV)的增殖也与大量宿主 RBP 和外切核酸酶与 miR-122 及其 RNA 基因组的密切串扰有关,这表明在 HCV 增殖过程中,这些因素之间的机制相互作用非常重要。本综述主要旨在全面描述 miRNA 调控因子、RBP 和外切核酸酶的既定作用,并讨论其在各种癌症和代表性致癌 RNA 病毒 HCV 增殖中的最新发现。这些研究也为通过靶向 miRNA 或其各自的细胞调节剂来治疗癌症和 HCV 感染开辟了新的途径。
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