期刊
JOURNAL OF MEDICINAL CHEMISTRY
卷 58, 期 8, 页码 3534-3547出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jmedchem.5b00265
关键词
-
资金
- China Postdoctoral Science Foundation [2014M561479]
CYP1B1 is recognized as a new target in cancer prevention and therapy. Taking a-naphthoflavone as a lead, a series of 6,7,10-trimethoxy-a-naphthoflavones (4a-o) were synthesized and evaluated for their inhibitory potency against CYP1B1 and selectivity over CYP1A1 and 1A2. SAR analysis indicated that introducing methoxy groups at C(6), C(7), and C(10) on the naphthalene part and a fluoro atom at C(3') on the B-ring, could sharply increase the efficiency toward CYP1B1 inhibition. Among the prepared derivatives, compound 4c is the most potent and selective CYP1B1 inhibitor ever reported. More effort was taken to acquire water-soluble a-naphthoflavone derivatives for further cell-based study of overcoming anticancer drug-resistance. Finally, we obtained water-soluble naphthoflavone (11f) which could obviously eliminate the docetaxel-resistance caused by the enhanced expression of CYP1B1 in MCF-7/1B1 cells. It could be envisaged that the discovery of new a-naphthoflavones as CYP1B1 inhibitors is clinically important for overcoming CYP1B1-mediated drug-resistance in cancer therapeutics.
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