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Medicinal-Pharmaceutical Chemistry Commons

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Cancer

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Lead Optimization Of Dual Tubulin And Hsp27 Inhibitors, Bo Zhong, Rati Lama, Daniel G. Kulman, Bibo Li Ph.D., Bin Su Ph.D. Jun 2014

Lead Optimization Of Dual Tubulin And Hsp27 Inhibitors, Bo Zhong, Rati Lama, Daniel G. Kulman, Bibo Li Ph.D., Bin Su Ph.D.

Chemistry Faculty Publications

Tubulin and heat shock protein 27 (Hsp27) are well-characterized molecular targets for anti-cancer drug development. We previously identified lead compounds that inhibited both Hsp27 and tubulin. These compounds exhibited extensive anti-cancer activities against the proliferation of various human cancer cell lines. In the current study, a systematic ligand based structural optimization led to new analogs that significantly inhibited the growth of a panel of breast cancer cell lines. Furthermore, the most potent compounds were examined with tubulin polymerization assay and Hsp27 chaperone activity assay. The compounds showed potent tubulin polymerization inhibition but no Hsp27 inhibitory effect. The structural optimization dissected ...