Microtubules are cytoskeletal components that play important roles in a number of cellular processes. Colchicine binding site inhibitors (CSIs) is one major class of tubulin polymerization inhibitors, inhibiting microtubule polymerization and blocking cell proliferation at metaphase during mitosis. Many CSIs were discovered or designed and synthesized as anticancer agents in the past several years and great progress had been made. Here, we discuss the insights gained so far relevant to the mechanism of CSIs and their common pharmacophore. The recent development of CSIs with their biological activity and structure-activity relationship (SAR) are also reviewed.
Keywords: Microtubules, colchicine binding site, inhibitor, SAR, anticancer
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