期刊
JOURNAL OF NATURAL PRODUCTS
卷 71, 期 7, 页码 1213-1217出版社
AMER CHEMICAL SOC
DOI: 10.1021/np8001628
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资金
- NCI NIH HHS [CA67786, R01 CA036622, CA36622, U19 CA067786, U19 CA067786-14, R01 CA036622-26] Funding Source: Medline
- NCRR NIH HHS [RR14768, RR06262] Funding Source: Medline
Three new sterol sulfates, spheciosterol sulfates A-C (1-3), and the known sterol sulfate topsentiasterol sulfate E (4) have been isolated from the sponge Spheciospongia sp., collected in the Philippines. Structures were assigned on the basis of extensive 1D and 2D NMR studies as well as analysis by HRESIMS. Compounds 1-4 inhibited PKC zeta with IC(50) values of 1.59, 0.53, 0.11, and 1.21 mu M, respectively. In a cell-based assay, 1-4 also inhibited NF-kappa B activation with EC(50) values of 12-64 mu M.
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