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Eight sesquiterpene quinones: ilimaquinone (1), smenospongidine (3), smenospongiarine (5), smenospongine (7), and their corresponding 5-epimers 2, 4, 6, and 8, isolated from the Palauan marine sponge Hippospongia sp., were examined regarding their effects on TNF-α production in LPS-stimulated RAW 264.7 cells. 5-Epi-smenospongine (8) promoted the production of TNF-α to a level three times greater than the control at 10 micron, but compounds 1-7 did not show apparent activity. The results suggest that the cis-decaline ring and a primary amine in the benzoquinone ring are necessary for activity. This is the first study to report the modulation of TNF-α production by a sesquiterpene quinone.
Pubmed ID: 18463729
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Cell line RAW 264.7 is a Cancer cell line with a species of origin Mus musculus
View all literature mentionsCell line RAW 264.7 is a Cancer cell line with a species of origin Mus musculus
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