Title : Exposure of normal human melanocytes to a tumor promoting phorbol ester reverses growth suppression by transforming growth factor beta.

Pub. Date : 2008 Feb

PMID : 17654516






4 Functional Relationships(s)
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1 We investigated whether the tumor promoting phorbol ester 12-O-tetradecanoylphorbol-13-acetate (TPA) may induce melanocyte resistance to TGF-beta. Tetradecanoylphorbol Acetate transforming growth factor beta 1 Homo sapiens
2 We investigated whether the tumor promoting phorbol ester 12-O-tetradecanoylphorbol-13-acetate (TPA) may induce melanocyte resistance to TGF-beta. Tetradecanoylphorbol Acetate transforming growth factor beta 1 Homo sapiens
3 Confocal microscopy demonstrated that TGF-beta-induced nuclear accumulation of PKC-alpha was abolished in the presence of TPA at the same time points. Tetradecanoylphorbol Acetate transforming growth factor beta 1 Homo sapiens
4 Smad-dependent transcriptional activity was suppressed in TGF-beta-treated melanocytes in the presence of TPA, as well as in ALK5 (constitutively active type I TGF-beta receptor)- or Smad3 + Smad4-transfected melanocytes in the presence of Ro-31-8220. Tetradecanoylphorbol Acetate transforming growth factor beta 1 Homo sapiens