alexa Wnt beta-catenin signaling: new (and old) players and new insights.


Molecular Biology: Open Access

Author(s): Huang H, He X, Huang H, He X

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Abstract Wnt/beta-catenin signaling has central roles in embryogenesis and human diseases including cancer. A central scheme of the Wnt pathway is to stabilize the transcription coactivator beta-catenin by preventing its phosphorylation-dependent degradation. Significant progress has been made toward the understanding of this crucial regulatory pathway, including the protein complex that promotes beta-catenin phosphorylation-degradation, and the mechanism by which the extracellular Wnt ligand engages cell surface receptors to inhibit beta-catenin phosphorylation-degradation. Here we review some recent discoveries in these two areas, and highlight some crucial questions that remain to be resolved.
This article was published in Curr Opin Cell Biol and referenced in Molecular Biology: Open Access

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