Rcor2 Is Required for Somatic Differentiation and Represses Germline Cell Fate | Zendy

Lijuan Pei | Zendy; Hongjie Zhang | Zendy; Meihui Zhang | Zendy; Yixuan Wang | Zendy; Ke Wei | Zendy

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Rcor2 Is Required for Somatic Differentiation and Represses Germline Cell Fate

Author(s) -

Lijuan Pei,

Hongjie Zhang,

Meihui Zhang,

Yixuan Wang,

Ke Wei

Publication year - 2022

Publication title -

stem cells international

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.205

H-Index - 64

eISSN - 1687-9678

pISSN - 1687-966X

DOI - 10.1155/2022/5283615

Subject(s) - corepressor , germline , embryonic stem cell , somatic cell , biology , epigenetics , microbiology and biotechnology , cellular differentiation , neurogenesis , germ cell , cell fate determination , stem cell , repressor , regulation of gene expression , gene , promoter , genetics , gene expression , transcription factor

Rcor2, the corepressor 2 of REST, a transcriptional repressor, is predominantly expressed in embryonic stem cells (ESCs) and plays a major role in regulating ESC pluripotency and neurogenesis. The function of Rcor2 in development of other germ layers is yet unclear. We utilized a Rcor2-/- mouse embryonic stem cell (mESC) line to investigate the role of Rcor2 in mESC differentiation. Rcor2-/- mESC shows reduced proliferation and severely compromised capacity to differentiate to all three germ layers. In contrast, Rcor2 knockout promotes primordial germ cells (PGCs) specific gene expression and possibly PGC formation. Mechanistically, we revealed that Rcor2 inhibits expression of genes required for PGC development, such as Dppa3 and Dazl, by associating to their promoters and enhancing local suppressive H3K9me3 modifications. Our results suggest that Rcor2 plays an important role in somatic cell fate determination by suppressing PGC differentiation through regulating epigenetic modifications of PGC specific genes.

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