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- Title
Overview of m<sup>6</sup>A and circRNAs in human cancers.
- Authors
Zhang, Leyu; Wang, Xi; Zhao, Wei; Liu, Jingwen
- Abstract
N6-methyladenosine (m6A), the richest post-transcriptional modification of RNA in eukaryotic cells, is dynamically installed/uninstalled by the RNA methylase complex ("writer") and demethylase ("eraser") and recognized by the m6A-binding protein ("reader"). M6A modification on RNA metabolism involves maturation, nuclear export, translation and splicing, thereby playing a critical role in cellular pathophysiology and disease processes. Circular RNAs (circRNAs) are a class of non-coding RNAs with a covalently closed loop structure. Due to its conserved and stable properties, circRNAs could participate in physiological and pathological processes through unique pathways. Despite the recent discovery of m6A and circRNAs remains in the initial stage, research has shown that m6A modifications are widespread in circRNAs and regulates circRNA metabolism, including biogenesis, cell localization, translation, and degradation. In this review, we describe the functional crosstalk between m6A and circRNAs, and illustrate their roles in cancer development. Moreover, we discuss the potential mechanisms and future research directions of m6A modification and circRNAs.
- Subjects
RNA modification &; restriction; RNA metabolism; CIRCULAR RNA; NON-coding RNA; EUKARYOTIC cells
- Publication
Journal of Cancer Research & Clinical Oncology, 2023, Vol 149, Issue 9, p6769
- ISSN
0171-5216
- Publication type
Article
- DOI
10.1007/s00432-023-04610-8