Abstract
TGF-β is a member of a large family of cytokines with a crucial role in embryonic development and tissue homeostasis. Disruption of the TGF-β signaling pathway has been implicated in many human diseases including cancer. In normal epithelial cells, TGF-β acts as a tumor suppressor by inhibiting cellular proliferation. During cancer progression, tumor cells escape from the TGF-β antiproliferative response either by acquiring mutations in components of the TGF-β pathway or by selectively inactivating the pathway that leads to cell cycle arrest. In the latter case, TGF-β becomes an oncogenic factor. Over the last years, some of the molecular mechanisms implicated in the TGF-β antiproliferative response have been elucidated and we are beginning to understand how TGF-β is transformed from an anti-tumorigenic factor into an oncogenic factor during cancer progression. This allows a better understanding of cancer biology and helps in the design of better therapeutic protocols against this deadly disease.
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© 2008 Humana Press
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Seoane, J. (2008). TGF-β Signaling in Homeostasis and Cancer. In: Transforming Growth Factor-β in Cancer Therapy, Volume I. Cancer Drug Discovery and Development. Humana Press. https://doi.org/10.1007/978-1-59745-292-2_2
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DOI: https://doi.org/10.1007/978-1-59745-292-2_2
Publisher Name: Humana Press
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