期刊
BIOORGANIC & MEDICINAL CHEMISTRY
卷 22, 期 24, 页码 6755-6767出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2014.11.001
关键词
Microtubules; E7010; 2-Anilinopyridine; Dimers; Tubulin polymerization; Apoptosis
资金
- CSIR
- UGC, New Delhi, India [CSC0301]
A series of 2-anilinopyridine dimers have been synthesized and evaluated for their anticancer potential. Most of the compounds have showed significant growth inhibition of the cell lines tested and compound 4d was most effective amongst the series displaying a GI(50) of 0.99 mu M specifically against the prostate cancer cell line (DU145). Studies to understand the mechanism of action of 4d indicates that it disrupts microtubule dynamics by inhibiting tubulin polymerization thereby arresting the cell cycle in G2/M phase. Competitive colchicine binding assay suggests that 4d binds into colchicine binding site of the tubulin. Further from some detailed biological studies like mitochondrial membrane potential, caspase-3 assay, DNA fragmentation analysis and Annexin V-FITC assay it is evident that 4d induces apoptosis. Molecular modeling studies provide an insight into the binding modes of 4d with colchicine binding site of tubulin and the data obtained correlates with the antiproliferative activity. (C) 2014 Elsevier Ltd. All rights reserved.
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