p63 regulates an adhesion programme and cell survival in epithelial cells
Author: ["Danielle K. Carroll","Jason S. Carroll","Chee-Onn Leong","Fang Cheng","Myles Brown","Alea. A. Mills","Joan S. Brugge","Leif W. Ellisen"]
Publication: Nature Cell Biology
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Abstract
p63 is critical for epithelial development yet little is known about the transcriptional programmes it regulates. By characterising transcriptional changes and cellular effects following modulation of p63 expression, we have defined a vital role for p63 in cellular adhesion. Knockdown of p63 expression caused downregulation of cell adhesion-associated genes, cell detachment and anoikis in mammary epithelial cells and keratinocytes. Conversely, overexpression of the TAp63γ or ΔNp63α isoforms of p63 upregulated cell adhesion molecules, increased cellular adhesion and conferred resistance to anoikis. Apoptosis induced by loss of p63 was rescued by signalling downstream of β4 integrin. Our results implicate p63 as a key regulator of cellular adhesion and survival in basal cells of the mammary gland and other stratified epithelial tissues.
Cite this article
Carroll, D., Carroll, J., Leong, CO. et al. p63 regulates an adhesion programme and cell survival in epithelial cells. Nat Cell Biol 8, 551–561 (2006). https://doi.org/10.1038/ncb1420
