Role of N6-methyl-adenosine Modification in Mammalian Embryonic Development

Overview

Journal Genet Mol Biol

Specialty Genetics

Date 2021 May 17

PMID 33999093

Citations 2

Authors

Chengshun Li

Ziping Jiang

Jindong Hao

Da Liu

Haobo Hu

Yan Gao

Dongxu Wang

Affiliations

Soon will be listed here.

Abstract

N6-methyl-adenosine (m6A) methylation is one of the most common and abundant modifications of RNA molecules in eukaryotes. Although various biological roles of m6A methylation have been elucidated, its role in embryonic development is still unclear. In this review, we focused on the function and expression patterns of m6A-related genes in mammalian embryonic development and the role of m6A modification in the embryonic epigenetic reprogramming process. The modification of m6A is regulated by the combined activities of methyltransferases, demethylases, and m6A-binding proteins. m6A-related genes act synergistically to form a dynamic, reversible m6A pattern, which exists in several physiological processes in various stages of embryonic development. The lack of one of these enzymes affects embryonic m6A levels, leading to abnormal embryonic development and even death. Moreover, m6A is a positive regulator of reprogramming to pluripotency and can affect embryo reprogramming by affecting activation of the maternal-to-zygotic transition. In conclusion, m6A is involved in the regulation of gene expression during embryonic development and the metabolic processes of RNA and plays an important role in the epigenetic modification of embryos.

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