Suppression of the SOX2 neural effector gene by PRDM1 promotes human germ cell fate in embryonic stem cells

I. Ying Lin, Feng Lan Chiu, Chen Hsiang Yeang, Hsin Fu Chen, Ching Yu Chuang, Shii Yi Yang, Pei Shan Hou, Nardnisa Sintupisut, Hong Nerng Ho, Hung Chih Kuo, Kuo I. Lin

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35 引文 斯高帕斯(Scopus)

摘要

The mechanisms of transcriptional regulation underlying human primordial germ cell (PGC) differentiation are largely unknown. The transcriptional repressor Prdm1/Blimp-1 is known to play a critical role in controlling germ cell specification in mice. Here, we show that PRDM1 is expressed in developing human gonads and contributes to the determination of germline versus neural fate in early development. We show that knockdown of PRDM1 in human embryonic stem cells (hESCs) impairs germline potential and upregulates neural genes. Conversely, ectopic expression of PRDM1 in hESCs promotes the generation of cells that exhibit phenotypic and transcriptomic features of early PGCs. Furthermore, PRDM1 suppresses transcription of SOX2. Overexpression of SOX2 in hESCs under conditions favoring germline differentiation skews cell fate from the germline to the neural lineage. Collectively, our results demonstrate that PRDM1 serves as a molecular switch to modulate the divergence of neural or germline fates through repression of SOX2 during human development.
原文英語
頁(從 - 到)189-204
頁數16
期刊Stem Cell Reports
2
發行號2
DOIs
出版狀態已發佈 - 2月 11 2014
對外發佈

ASJC Scopus subject areas

  • 生物化學
  • 遺傳學
  • 發展生物學
  • 細胞生物學

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