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  • Title: KY1022, a small molecule destabilizing Ras via targeting the Wnt/β-catenin pathway, inhibits development of metastatic colorectal cancer.
    Author: Cho YH, Cha PH, Kaduwal S, Park JC, Lee SK, Yoon JS, Shin W, Kim H, Ro EJ, Koo KH, Park KS, Han G, Choi KY.
    Journal: Oncotarget; 2016 Dec 06; 7(49):81727-81740. PubMed ID: 27835580.
    Abstract:
    APC (80-90%) and K-Ras (40-50%) mutations frequently occur in human colorectal cancer (CRC) and these mutations cooperatively accelerate tumorigenesis including metastasis. In addition, both β-catenin and Ras levels are highly increased in CRC, especially in metastatic CRC (mCRC). Therefore, targeting both the Wnt/β-catenin and Ras pathways could be an ideal therapeutic approach for treating mCRC patients. In this study, we characterized the roles of KY1022, a small molecule that destabilizes both β-catenin and Ras via targeting the Wnt/β-catenin pathway, in inhibiting the cellular events, including EMT, an initial process of metastasis, and apoptosis. As shown by in vitro and in vivo studies using APCMin/+/K-RasG12DLA2 mice, KY1022 effectively suppressed the development of mCRC at an early stage of tumorigenesis. A small molecular approach degrading both β-catenin and Ras via inhibition of the Wnt/β-catenin signaling would be an ideal strategy for treatment of mCRC.
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