Excellent antitumor and antimetastatic activities based on novel coumarin/pyrazole oxime hybrids
2019
Abstract A series of hybrids 10a - v based on coumarin/pyrazole oxime have been synthesized, and exhibit good to excellent antitumor activities. Compound 10n has shown remarkable anticancer effect on SMMC-7721 cells (IC 50 = 2.08 μM), which is considerably lower than 5-FU (IC 50 = 37.8 μM) and similar to ADM (IC 50 = 2.67 μM), with little effect on normal hepatic cells LO2. Notably, the suppression experiments of metastatic activities reveal that 10n also displays significant anti-metastasis effects through inhibiting cell migration and invasion in highly metastatic SMMC-7721 cell line, and dose-dependently reverses TGF-β1-induced epithelial-mesenchymal transition (EMT) procedure better than ADM. Finally, 10n also possesses low acute toxicity and potent tumor growth inhibitory property against SMMC-7721 cell lines in vivo . Our findings suggest that novel coumarin/pyrazole oxime hybrids are promising therapeutic agent candidates for further research.
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