4.4 Article

Dysregulated N6-methyladenosine (m6A) processing in hepatocellular carcinoma

Journal

ANNALS OF HEPATOLOGY
Volume 25, Issue -, Pages -

Publisher

ELSEVIER ESPANA
DOI: 10.1016/j.aohep.2021.100538

Keywords

N6-methyladenosine; RNA m(6)A modification; Chronic liver diseases; HCC

Funding

  1. National Natural Science Foundation of China [81972657, 81672345]
  2. National Key Research and Development Program of China [2016YFC1302303]

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N6-methyladenosine (m(6)A) is the most extensively studied internal RNA modification, playing crucial roles in gene expression regulation, carcinogenesis, and tumor progression.
N6-methyladenosine (m(6)A) is the most thoroughly studied type of internal RNA modification, as this epigenetic modification is the most abundant in eukaryotic RNAs to date. This modification occurs in various types of RNAs and plays significant roles in dominant RNA-related processes, such as translation, splicing, export and degradation. These processes are catalyzed by three types of prominent enzymes: writers, erasers and readers. Increasing evidence has shown that m(6)A modification is vital for the regulation of gene expression, carcinogenesis, tumor progression and other abnormal changes, and recent studies have shown that m(6)A is important in the development of hepatocellular carcinoma (HCC). Herein, we summarize the nature and regulatory mechanisms of m(6)A modification, including its role in the pathogenesis of HCC and related chronic liver diseases. We also highlight the clinical significance and future strategies involving RNA m(6)A modifications in HCC. (C) 2021 Fundacion Clinica Medica Sur, A.C. Published by Elsevier Espana, S.L.U.

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