Differential repression of Otx2 underlies the capacity of NANOG and ESRRB to induce germline entry
Differential repression of Otx2 underlies the capacity of NANOG and ESRRB to induce germline entry
复制标题
Otx2 的差异抑制是 NANOG 和 ESRRB 诱导种系进入能力的基础
DOI:
10.1101/2021.06.14.448276
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Vojtek M
中科院分区:
文献类型:
--
作者:
Vojtek M
Primordial germ cells (PGCs) arise from cells of the post-implantation epiblast in response to cytokine signaling. PGC development can be recapitulatedin vitroby differentiating epiblast-like cells (EpiLCs) into PGC-like cells (PGCLCs) through cytokine exposure. Interestingly, the cytokine requirement for PGCLC induction can be bypassed by enforced expression of the transcription factor (TF) NANOG. However, the underlying mechanisms are not fully elucidated. Here, we show that NANOG mediatesOtx2downregulation in the absence of cytokines and that this is essential for PGCLC induction by NANOG. Moreover, the direct NANOG target geneEsrrb, which can substitute for several NANOG functions, does not downregulateOtx2when overexpressed in EpiLCs and cannot promote PGCLC specification.However, expression of ESRRB inOtx2+/−EpiLCs rescues emergence of PGCLCs. This study illuminates the interplay of TFs occurring at the earliest stages of PGC specification.
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