期刊
BIOORGANIC CHEMISTRY
卷 66, 期 -, 页码 46-62出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bioorg.2016.03.007
关键词
Pyrrolone; Pyridazinone; Cytotoxicity; Tubulin; Immunofluorescence; Docking study
资金
- Science and Technology Development Fund (STDF) Egypt [2943]
- Faculty of Pharmacy, Minia University
A series of new pyrrol-2(3H)-ones 4a-f and pyridazin-3(2H)-ones 7a-f were synthesized and characterized using different spectroscopic tools. Some of the tested compounds revealed moderate activity against 60 cell lines. The E form of the pyrrolones 4 showed good cytotoxic activity than both the Z form and the corresponding open amide form. Furthermore, the in vitro cytotoxic activity against HepG2 and MCF-7 cell lines revealed that compounds (E) 4b, 6f and 7f showed good cytotoxic activity against HepG2 with IC50 values of 11.47, 7.11 and 14.80 mu M, respectively. Compounds (E) 4b, 6f, 7d and 7f showed a pronounced inhibitory effect against cellular localization of tubulin. Flow cytometric analysis indicated that HepG2 cells treated with (E) 4b showed a predominated growth arrest at the S-phase compared to that of G2/M-phase. Molecular modeling study using MOE (R) program indicated that most of the target compounds showed good binding of beta-subunit of tubulin with the binding free energy (dG) values about -10 kcal/mole. (C) 2016 Elsevier Inc. All rights reserved.
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