Comparison of RNA MA and DNA Methylation Profiles Between Mouse Female Germline Stem Cells and STO Cells

Overview

Journal Mol Ther Nucleic Acids

Publisher Cell Press

Date 2021 Jan 21

PMID 33473328

Citations 10

Authors

Xinyan Zhao

Geng G Tian

Qian Fang

Xiuying Pei

Zhaoxia Wang

Ji Wu

Affiliations

Soon will be listed here.

Abstract

N-methyladenosine (mA) methylation modification is the most prevalent and abundant internal modification of eukaryotic mRNAs. Increasing evidence has shown that mRNA mA plays important roles in the development of stem cells. However, to the best of our knowledge, no reports about the roles of mRNA mA in mouse female germline stem cells (mFGSCs) have been published. In this study, we compared the genome-wide profiles of mRNA mA methylation and DNA methylation between FGSCs and sandosinbred mice (SIM) embryo-derived thioguanine and ouabain-resistant (STO) cells. qRT-PCR revealed that the expression levels of mRNA mA-related genes (, , , , , and ) in FGSCs were significantly higher than those in STO cells. mA RNA immunoprecipitation sequencing (MeRIP-seq) data further showed that the unique mA-methylated mRNAs in FGSCs and STO cells were related to cell population proliferation and somatic development, respectively. Additionally, knockdown of inhibited FGSC self-renewal. Comparison of methylated DNA immunoprecipitation sequencing (MeDIP-seq) results between FGSCs and STO cells identified that DNA methylation contributed to FGSC proliferation by suppressing the somatic program. These results suggested that mA regulated FGSC self-renewal possibly through mA binding protein YTHDF1, and DNA methylation repressed somatic programs in FGSCs to maintain FGSC characteristics.

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