Journal
MARINE DRUGS
Volume 17, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/md17090530
Keywords
Dendronephthya; dendronesterone; steroid; anti-inflammatory; iNOS
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Funding
- National Museum of Marine Biology and Aquarium
- National Dong Hwa University
- Ministry of Science and Technology, Taiwan [MOST 104-2320-B-291-001-MY3, 107-2320-B-291-001-MY3]
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Two new steroids, dendronesterones D (1) and E (2), featuring with 1,4-dienone moiety, along with three known steroids, methyl 3-oxochola-4,22-diene-24-oate (3), 5 alpha,8 alpha-epidioxy-24(S)- methylcholesta-6,22-dien-3 beta-ol (4), and 5 alpha,8 alpha-epidioxy-24(S)-methylcholesta-6,9(11),22-trien-3 beta-ol (5), were isolated from an octocoral Dendronephthya sp. The structures of steroids 1 and 2 were elucidated by using spectroscopic methods and steroid 1 was found to exhibit significant in vitro anti-inflammatory activity in lipopolysaccharides (LPS)-induced RAW264.7 macrophage cells by inhibiting the expression of the iNOS protein.
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