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Ets2 is required for trophoblast stem cell self-renewal.

The Ets2 transcription factor is essential for the development of the mouse placenta and for generating signals for embryonic mesoderm and axis formation. Using a conditional targeted Ets2 allele, we show that Ets2 is essential for trophoblast stem (TS) cells self-renewal. Inactivation of Ets2 results in TS cell slower growth, increased expression of a subset of differentiation-associated genes and decreased expression of several genes implicated in TS self-renewal. Among the direct TS targets of Ets2 is Cdx2, a key master regulator of TS cell state. Thus Ets2 contributes to the regulation of multiple genes important for maintaining the undifferentiated state of TS cells and as candidate signals for embryonic development.

Pubmed ID: 17977525


  • Wen F
  • Tynan JA
  • Cecena G
  • Williams R
  • MĂșnera J
  • Mavrothalassitis G
  • Oshima RG


Developmental biology

Publication Data

December 1, 2007

Associated Grants

  • Agency: NCI NIH HHS, Id: CA74547
  • Agency: NCI NIH HHS, Id: CA98778
  • Agency: NCI NIH HHS, Id: R01 CA074547
  • Agency: NCI NIH HHS, Id: R01 CA074547-08
  • Agency: NCI NIH HHS, Id: R01 CA098778
  • Agency: NCI NIH HHS, Id: R01 CA098778-05

Mesh Terms

  • Alleles
  • Animals
  • Cell Differentiation
  • Cell Line
  • Cell Proliferation
  • Colon
  • Embryo Loss
  • Gene Expression Regulation, Developmental
  • Gene Targeting
  • Homeodomain Proteins
  • Humans
  • Integrases
  • Mice
  • Mice, Mutant Strains
  • Proto-Oncogene Protein c-ets-2
  • Stem Cells
  • Transcription Factors
  • Transcription, Genetic
  • Trophoblasts