Bismuth(III) and diorganotin(IV) complexes of bis(2-Acetylpyridine (cas 1122-62-9)) thiocarbonohydrazone: Synthesis, characterization, and apoptosis mechanism of action in vitro

Add time:09/29/2019    Source:sciencedirect.com

In this paper, three bismuth(III) and diorganotin(IV) complexes based on bis(2-acetylpyridine) thiocarbonohydrazone (H2L) have been fully designed. The tests of the complexes on inhibiting human hepatocellular carcinoma HepG2 cells growth in vitro revealed that the complexes have higher activity against HepG2 cells but much less toxicity toward normal hepatocyte QSG7701 cells. Particularly, 1 exhibited higher activity with a lower IC50 value (compound concentration that produces 50% of cell death, 3.42 ± 0.25 µM). Moreover, cytotoxicity experiments involving with mitochondria confirmed that 1 restrained cells growth in a dose-dependent manner. Protein analysis indicated that 1 restrained Bcl-2 expression and accelerated Bax expression, inducing caspase-3 activation.

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