Title |
The transcription factor Snail controls epithelial–mesenchymal transitions by repressing E-cadherin expression
|
---|---|
Published in |
Nature Cell Biology, January 2000
|
DOI | 10.1038/35000025 |
Pubmed ID | |
Authors |
Amparo Cano, Mirna A. Pérez-Moreno, Isabel Rodrigo, Annamaria Locascio, María J. Blanco, Marta G. del Barrio, Francisco Portillo, M. Angela Nieto |
Abstract |
The Snail family of transcription factors has previously been implicated in the differentiation of epithelial cells into mesenchymal cells (epithelial-mesenchymal transitions) during embryonic development. Epithelial-mesenchymal transitions are also determinants of the progression of carcinomas, occurring concomitantly with the cellular acquisition of migratory properties following downregulation of expression of the adhesion protein E-cadherin. Here we show that mouse Snail is a strong repressor of transcription of the E-cadherin gene. Epithelial cells that ectopically express Snail adopt a fibroblastoid phenotype and acquire tumorigenic and invasive properties. Endogenous Snail protein is present in invasive mouse and human carcinoma cell lines and tumours in which E-cadherin expression has been lost. Therefore, the same molecules are used to trigger epithelial-mesenchymal transitions during embryonic development and in tumour progression. Snail may thus be considered as a marker for malignancy, opening up new avenues for the design of specific anti-invasive drugs. |
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Mendeley readers
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