New indole-based chalconoids as tubulin-targeting antiproliferative agents
Hassan Mirzaei1, Mohammad Shokrzadeh2, Mona Modanloo1
1Student Research Committee, Pharmaceutical Sciences Research Center, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran.
Abstract:
Tubulin-targeting compounds have a broad anticancer spectrum and are an important class of chemotherapeutic agents. Due to the importance of 3-bromo-3,5-dimethoxyphenyl scaffold in the anticancer activity of microtubule inhibitors such as crolibulin (EPC2407), we introduced this functionality into the indole-derived chalcones. Thus, we describe here the synthesis and biological evaluation of new indole-based chalconoids as tubulin-targeting antiproliferative agents. The best result was obtained by compound 9b against A549 cell with IC50 of 4.3µg/mL, being more potent than the reference drug etoposide. Further biological evaluations revealed that compound 9b can inhibit tubulin polymerization and decrease the mitochondrial thiol content, resulting the induction of apoptosis in cancer cells. Docking studies with tubulin indicated that compound 9b could bind to the colchicine binding site.
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