期刊
ORGANIC & BIOMOLECULAR CHEMISTRY
卷 16, 期 16, 页码 3026-3037出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ob00677f
关键词
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资金
- National Natural Science Foundation of China [81460530, 31760097]
A biomimetic synthetic strategy and combinatorial chemistry were used to synthesize 34 novel mono-terpenoid indole alkaloid (MIA) analogues, and their cytotoxic activities against five cancer cell lines (SW-480, A-549, HL-60, SMMC-7721, and MCF-7) were determined using the 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium (MTS) assay. Fourteen of these analogues (7, 16-18, and 23-32) showed significantly greater inhibition of tumour cell proliferation than cisplatin. Compounds 17 and 18 showed the highest cytotoxic activity against the HL-60 cell line with IC50 values of 0.90 mu M and 0.43 mu M, respectively. Compound 18 slightly induced apoptosis and arrested the cell cycle in SW-480, A-549, HL-60, SMMC-7721, and MCF-7 cells. Analysis of the primary structure-activity relationships reveals that the introduction of different substituent groups at the C-3, C-5, and C-6 positions of the indole moiety and the C-10 position of the genipin moiety might have an effect on the antitumour activity of the resulting compounds.
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