Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/50990
Título : Specific GATA factors act as conserved inducers of an endodermal-EMT
Autor : Campbell, Kyra, Whissell, Gavin, Franch-Marro, Xavier, Batlle, Eduard, Casanova, Jordi
Fecha de publicación : 2011
Editor: Elsevier
Resumen: The epithelial-to-mesenchymal transition (EMT) converts cells from static epithelial to migratory mesenchymal states (Hay, 1995). Here, we demonstrate that EMT in the Drosophila endoderm is dependent on the GATA-factor Serpent (Srp), and that Srp acts as a potent trigger for this transition when activated ectopically. We show that Srp affects endodermal-EMT through a downregulation of junctional dE-Cadherin (dE-Cad) protein, without a block in its transcription. Moreover, the relocalization of dE-Cad is achieved through the direct repression of crumbs (crb) by Srp. Finally, we show that hGATA-6, an ortholog of Srp, induces a similar transition in mammalian cells. Similar to Srp, hGATA-6 acts through the downregulation of junctional E-Cad, without blocking its transcription, and induces the repression of a Crumbs ortholog, crb2. Together, these results identify a set of GATA factors as a conserved alternative trigger to repress epithelial characteristics and confer migratory capabilities on epithelial cells in development and pathogenesis. © 2011 Elsevier Inc.
URI : http://hdl.handle.net/10261/50990
Identificadores: doi: 10.1016/j.devcel.2011.10.005
issn: 1534-5807
Citación : Developmental Cell 21(6): 1051-1061 (2011)
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