Journal
JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH
Volume 4, Issue 4, Pages 233-241Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/1028602021000049041
Keywords
Rutaceae; Clausena dunniana; carbazole alkaloid; 3-methylcarbazole; murrayafoline a; girinimbine; mahanimbine; bicyclomahanimbine; cell cycle inhibitor; apoptosis inducer
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Carbazole alkaloids, 3-methylcarbazole (1), murrayafoline A (2), girinimbine (3), mahanimbine (14) and bicyclomahanimbine (5), were isolated for the first time front Clausena dunniana Levl. by bioassay-guided separation procedure and were identified by spectroscopic methods. Compounds 1-5 showed growth inhibitory activity (1, IC50 25 mug/ml) on human fibrosarcoma HT-1080 cells and cell cycle M-phase inhibitory (2, MIC 0.78 mug/ml) and apoptosis inducing (2, MIC 1.56 mug/ml; 3, MIC 25 mug/ml; 4, MIC 20 mug/ml; 5, MIC 30 mug/ml) activities on mouse tsFT210 cells, respectively, and 2-5 provided the first examples of carbazole alkaloids as new cell cycle inhibitors and apoptosis inducers.
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