Article
Phosphorylation of AKT/PKB by CK2 is necessary for the AKT-dependent up-regulation of β-catenin transcriptional activity.
Journal of cellular physiology - 1 Jul 2011
Ponce Daniela P, Maturana Jose L, Cabello Pablo, Yefi Roger, Niechi Ignacio, Silva Eduardo, Armisen Ricardo, Galindo Mario, Antonelli Marcelo, Tapia Julio C
Abstract excerpt
β-Catenin is a key protein in the canonical Wnt signaling pathway and in many cancers alterations in transcriptional activity of its components are observed. This pathway is up-regulated by the protein kinase CK2, but the underlying mechanism of this change is unknown. It has been demonstrated that CK2 hyperactivates AKT/PKB by phosphorylation at Ser129, and AKT phosphorylates β-catenin at Ser552, which in turn,...
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