Article
Acceleration of Smad2 and Smad3 Phosphorylation via c-Jun NH2-Terminal Kinase during Human Colorectal Carcinogenesis
1 Jan 2005
Abstract excerpt
Conversion of normal epithelial cells to tumors is associated with a shift in transforming growth factor-beta (TGF-beta) function: reduction of tumor suppressor activity and increase of oncogenic activity. However, specific mechanisms of this functional alteration during human colorectal carcinogenesis remain to be elucidated. TGF-beta signaling involves Smad2/3 phosphorylated at linker regions (pSmad2/3L) and...
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