Journal
JOURNAL OF NATURAL PRODUCTS
Volume 72, Issue 10, Pages 1761-1767Publisher
AMER CHEMICAL SOC
DOI: 10.1021/np900268z
Keywords
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Funding
- National Natural Science Foundation of China [30670219]
- National Basic Research Program of Chin [2010CB833800]
- Key Laboratory of Marine Drugs (Ocean University of China), Ministry of Education [KLMD-OUC-200607]
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Eight drimane sesquiterpenes (1-8), six isochromane derivatives (9-14), and three known compounds, daldinin B (15), 9 alpha-hydroxy-6 beta-[(2 E,4E,6E)-octa-2,4,6-trienoyloxy]-5 alpha-drim-7-en-11,12-olide (16), and pergillin (17), were isolated from the EtOAc extract of the marine-derived fungus Aspergillus ustus 094102. The structures of the new compounds were elucidated on the basis of spectroscopic analysis. The cytotoxic effects on A549 and HL-60 cell lines were evaluated by SRB and MTT methods. Ustusorane E (13) showed significant cytotoxicity against HL-60 cells with an IC50 value of 0.13 mu M. Ustusolates C (6) and E (8) exhibited moderate cytotoxicity against A549 and HL-60 cells with IC50 values of 10.5 and 9.0 mu M, respectively, and ustusolate A (4) showed weak cytotoxicity against HL-60 and A549 cells with IC50 values of 20.6 and 30.0 mu M, respectively.
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