Add time:07/26/2019         Source:sciencedirect.com

A series of (Z)-1-(1,3-diphenyl-1H-pyrazol-4-yl)-3-(phenylamino)prop-2-en-1-one derivatives were synthesized and characterized by 1H and 13C NMR, ESI-MS and HRMS. All the synthesized compounds were evaluated for their anticancer activity against HT-29, PC-3, A549 and U87MG human tumor cell lines. Most of the synthesized compounds displayed potent growth inhibition selectively of A549 cancer cells and did not show significant toxicity to the non-cancerous HaCaT cells. Some of the representative compounds, particularly, 16, 22 and 28 exhibited potent growth inhibition with IC50 values in the range of 1.25–3.98 μM, which are comparable or even better than the standard chemotherapeutic drug 5-fluorouracil. Preliminary mechanistic studies revealed that these compounds could effectively inhibit the migration ability of A549 cells. Flow-cytometry analysis revealed that the compounds treatment led to G2/M cell cycle arrest. Moreover, the compounds induced apoptosis in A549 cells through depolarization of mitochondrial membrane potential (DΨm) and increased reactive oxygen species (ROS) production, suggesting their potential to act as promising lead compounds for the development of cancer chemotherapeutics.

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