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AK301 is a potent and selective inhibitor of tubulin polymerization and an effective sensitizer of cancer cells to apoptotic ligands (EC50 < 200 nM). Colon cancer cells arrested in mitosis with AK301 readily underwent a p53-dependent apoptosis following compound withdrawal and arrest release. This apoptotic response was significantly higher for AK301 than for other mitotic inhibitors tested (colchicine, vincristine, and BI 2536). |
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