期刊
JOURNAL OF ANTIBIOTICS
卷 59, 期 1, 页码 53-56出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/ja.2006.8
关键词
dasyscyphins; A similar to C; niveulone; Dasyscyphus niveus; cytotoxic activities
In the course of a screening for cytotoxic Compounds from fungi four new terpenoid metabolites, named dasyscyphins A, B, C, and niveulone were isolated from fermentations of Dasyscyphus niveus strain A0101. While dasyscyphin A (1) exhibited no significant biological activities in our test systems dasyscyphin B (2) and dasyscyphin C (3) showed cytotoxic activities against human (HepG2, Hela S3, U937, Colo-320, Jurkat) cell lines with IC50-values of 0.5 similar to 3 mu g/ml while the activity of niveulone (4) was less pronounced. Only modest or weak antibiotic properties were observed for (2) and (3).
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