Advances in Functional Studies of mRNA Acetylation in the Nervous System
RNAs are subject to a variety of chemical modifications that confer structural diversity to the nucleotides and are involved in the regulation of RNA metabolism,protein synthesis and a variety of cellular functions.N4-acetylcytidine(ac4C)is the only known form of RNA acetylation in eukaryotes.Ac4C has long been identified in ribosomal RNA(rRNA)and transfer RNA(tR-NA).Recent studies have shown that ac4C also occurs in messenger RNA(mRNA),promoting mRNA stability and translation efficiency.Compared with the widely studied mRNA methylation modifications(e.g.m6A),the functions and regulatory mechanisms of ac4C modifications of mR-NA are far less well-known.This review aims to summarize the function of ac4C modifications of mRNA in physiological and pathological processes in the nervous system,such as learning and memory,pain,and Alzheimer's disease.Moreover,this review will discuss the critical questions that should be addressed in the ac4C field to promote the research of RNA modification in the nervous system.
RNA acetylationac4Clearning and memorypainAlzheimer's disease
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