Is β-Catenin a Druggable Target for Cancer Therapy?

Publication date: Available online 2 July 2018
Source:Trends in Biochemical Sciences
Author(s): Can Cui, Xianglian Zhou, Weidong Zhang, Yi Qu, Xisong Ke
Mutations of canonical Wnt signaling pathway genes frequently occur in cancer and lead to abnormal accumulation of the key effector β-catenin. Over the past decades, a number of Wnt inhibitors have been identified through high-throughput screenings, however, very few of them target β-catenin directly, raising questions regarding its druggability. Here, we review Wnt inhibitors with a focus on small molecules that directly bind β-catenin, discuss the druggability of β-catenin, and why it has rarely been targeted, especially in the cellular context. We also propose strategies to develop small molecule binding and depleting cellular β-catenin, which are generally applicable to other difficult-to-drug or yet-to-be-drugged targets.



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