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Dev Biol. 2007 Dec 1;312(1):284-99. Epub 2007 Sep 22.

Ets2 is required for trophoblast stem cell self-renewal.

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  • 1Molecular Pathology Graduate Program, University of California, San Diego, 9500 Gilman Drive 0612, La Jolla, CA 92093, USA.

Abstract

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.

PMID:
17977525
[PubMed - indexed for MEDLINE]
PMCID:
PMC2211385
Free PMC Article
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