TGF-beta signaling: a tale of two responses.

Abstract excerpt

Transforming growth factor-beta (TGF-beta) regulates a wide variety of cellular processes including cell growth, apoptosis, differentiation, migration, and extracellular matrix production among others. The canonical signaling pathway induced by the TGF-beta receptor complex involves the phosphorylation of Smad proteins which upon activation accumulate in the nucleus and regulate transcription. Interestingly, the...

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