Esrrb complementation rescues development of nanog-null germ cells

Man Zhang, Harry G Leitch, Walfred W C Tang, Nicola Festuccia, Elisa Hall-Ponsele, Jennifer Nichols, M Azim Surani, Austin Smith, Ian Chambers

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

The transcription factors (TFs) Nanog and Esrrb play important roles in embryonic stem cells (ESCs) and during primordial germ-cell (PGC) development. Esrrb is a positively regulated direct target of NANOG in ESCs that can substitute qualitatively for Nanog function in ESCs. Whether this functional substitution extends to the germline is unknown. Here, we show that germline deletion of Nanog reduces PGC numbers 5-fold at midgestation. Despite this quantitative depletion, Nanog-null PGCs can complete germline development in contrast to previous findings. PGC-like cell (PGCLC) differentiation of Nanog-null ESCs is also impaired, with Nanog-null PGCLCs showing decreased proliferation and increased apoptosis. However, induced expression of Esrrb restores PGCLC numbers as efficiently as Nanog. These effects are recapitulated in vivo: knockin of Esrrb to Nanog restores PGC numbers to wild-type levels and results in fertile adult mice. These findings demonstrate that Esrrb can replace Nanog function in germ cells.

Original languageEnglish
Pages (from-to)332-339
Number of pages8
JournalCell Reports
Issue number2
Early online date9 Jan 2018
Publication statusPublished - 9 Jan 2018

Keywords / Materials (for Non-textual outputs)

  • PGCLCs
  • competence
  • naive pluripotency
  • primordial germ cells
  • transcription factors


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