Synthesis, cytotoxicity and pro-apoptosis of novel benzoisoindolin hydrazones as anticancer agents |
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Authors: | Zhao Yu Hui Jie Wang Dan Zhu Li Fang Jing-Huai Zhao Xiao-Dong |
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Institution: | Institute of Nautical Medicine, Nantong University, People’s Republic of China. |
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Abstract: | A series of benzoisoindolin hydrazones as analogues of natural lignan diphyllin were synthesized and the structures of these compounds were established by (1)H-NMR, (13)C-NMR, Mass and high resolution (HR)-MS. The compounds were evaluated for in vitro cytotoxicity against KB, A549 and HCT-116 cancer cell lines by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Compound 4 possessed the highest growth inhibitory effect. Significant apoptosis of HCT-116 cells treated with compound 4 was observed by Hoechst33342-propidium iodide (PI) and acridine orange (AO)-ethidium bromide (EB) staining assay. Western blot analysis disclosed that compound 4 induced apoptosis via the mitochondrial pathway accompanied by an increased expression of Bax and a decreased expression of Bcl-2. |
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