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Publication Detail

Title: m6 A RNA methylation: from mechanisms to therapeutic potential.

Authors: He, P Cody; He, Chuan

Published In EMBO J, (2021 02 01)

Abstract: RNA carries a diverse array of chemical modifications that play important roles in the regulation of gene expression. N6 -methyladenosine (m6 A), installed onto mRNA by the METTL3/METTL14 methyltransferase complex, is the most prevalent mRNA modification. m6 A methylation regulates gene expression by influencing numerous aspects of mRNA metabolism, including pre-mRNA processing, nuclear export, decay, and translation. The importance of m6 A methylation as a mode of post-transcriptional gene expression regulation is evident in the crucial roles m6 A-mediated gene regulation plays in numerous physiological and pathophysiological processes. Here, we review current knowledge on the mechanisms by which m6 A exerts its functions and discuss recent advances that underscore the multifaceted role of m6 A in the regulation of gene expression. We highlight advances in our understanding of the regulation of m6 A deposition on mRNA and its context-dependent effects on mRNA decay and translation, the role of m6 A methylation of non-coding chromosomal-associated RNA species in regulating transcription, and the activities of the RNA demethylase FTO on diverse substrates. We also discuss emerging evidence for the therapeutic potential of targeting m6 A regulators in disease.

PubMed ID: 33470439 Exiting the NIEHS site

MeSH Terms: Adenosine/analogs & derivatives*; Adenosine/metabolism; Animals; Humans; Methyltransferases/metabolism; RNA Processing, Post-Transcriptional; RNA, Messenger/genetics*; RNA, Messenger/metabolism*

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