Abstract

The rapidly emerging prevalence of type 2 diabetes mellitus (T2DM) and its associated complications have formed an increasingly serious threat to human life and health. Therefore, there is an urgent requirement to investigate the pathogenesis of T2DM and its complications, which will be conducive to discovering effective drugs for prevention and treatment. N6-methyladenosine (m6A) methylation is the most abundant and prevalent epigenetic modification of mRNA in mammals. m6A methylation is a dynamically reversible epigenetic transcriptome modification process that is jointly regulated by methyltransferases, demethylases and methylated reading proteins, which control the fate of target mRNAs through influencing splicing, translation and decay. Recent studies have revealed that m6A methylation plays an important role in β cellular function, insulin sensitivity and glycolipid metabolism. In this review, we summarized the current roles of m6A methylation in T2DM and T2DM-related complications such as diabetes nephropathy (DN), diabetes cardiovascular disease (DCD) and diabetes retinopathy (DR). Additionally, we sought the potential mechanism of m6A in T2DM and related complications, which may provide a rationale and strategy for potential therapeutic targeting of T2DM and its complications.

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