Article
Mutant p53 disrupts role of ShcA protein in balancing Smad protein-dependent and -independent signaling activity of transforming growth factor-β (TGF-β).
The Journal of biological chemistry - 23 Dec 2011
Lin Shu, Yu Lan, Yang Junhua, Liu Zhao, Karia Bijal, Bishop Alexander J R, Jackson James, Lozano Guillermina, Copland John A, Mu Xiaoxin, Sun Beicheng, Sun Lu-Zhe
Abstract excerpt
Biomarkers are lacking for identifying the switch of transforming growth factor-β (TGF-β) from tumor-suppressing to tumor-promoting. Mutated p53 (mp53) has been suggested to switch TGF-β to a tumor promoter. However, we found that mp53 does not always promote the oncogenic role of TGF-β. Here, we show that endogenous mp53 knockdown enhanced cell migration and phosphorylation of ERK in DU145 prostate cancer cells....
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