Journal
BIOORGANIC & MEDICINAL CHEMISTRY
Volume 43, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2021.116277
Keywords
Imidazo[1; 2-a]pyridine; 1; 3; 4-oxadiazole; Cytotoxicity; Apoptosis; Tubulin polymerization; Molecular docking; ADME; T
Funding
- Department of Pharmaceuticals (DoP), Ministry of Chemicals & Fertilizers, Govt. of India, New Delhi
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A new series of imidazo[1,2-a]pyridine-oxadiazole hybrids were synthesized and evaluated for their anticancer activity, with compound 6d showing the highest potency against lung cancer cells. Compound 6d induced apoptosis and inhibited tubulin polymerization in A549 cells, displaying effective binding with CT-DNA and alpha/beta-tubulin receptor.
Efforts towards the development of potential anticancer agents, a new series of imidazo[1,2-a]pyridine-oxadiazole hybrids were synthesized and evaluated for their in vitro anticancer activity against lung cancer (A549) and prostate cancer (PC-3, DU-145) cell lines. Amongst the compounds tested, 6d showed the highest potency on A549 cells with an IC50 value of 2.8 +/- 0.02 mu M. Flow cytometric analysis of compound 6d treated A549 cells showed apoptosis induction by annexin-v/PI dual staining assay and the effect of 6d on different phases of cell cycle was also analyzed. Target based studies demonstrated the inhibition of tubulin polymerization by 6d at an IC50 value of 3.45 +/- 0.51 mu M and its effective binding with CT-DNA. Further, the molecular modelling studies revealed that 6d has a prominent binding affinity towards alpha/beta-tubulin receptor with admirable physico-chemical properties.
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