Abstract:
:In the present study, we investigated that (-)-aptosimon, isolated from flower buds of Daphne genkwa, inhibited cyclooxygenase-2 (COX-2) and inducible nitric oxide (NO) synthase (iNOS) expression in lipopolysaccharide (LPS)-stimulated RAW264.7 cells. Similarly, (-)-aptosimon suppressed tumor necrosis factor (TNF)-alpha production. Our results clearly indicated that (-)-aptosimon inhibited LPS-induced nuclear factor-kappaB (NF-kappaB) activation, by preventing degradation of the inhibitor kappa B-alpha (IkappaB-alpha). (-)-Aptosimon also inhibited interleukin-4 (IL-4) and interleukin-13 (IL-13) production in ConA-induced splenocytes. In conclusion, the anti-inflammatory effects of (-)-aptosimon are attributed to the suppression of pro-inflammatory cytokines and mediators by blocking NF-kappaB activation. These data suggest that (-)-aptosimon as a potential therapeutic agent for inflammation-associated disorders.
journal_name
Int Immunopharmacoljournal_title
International immunopharmacologyauthors
Lee MY,Park BY,Kwon OK,Yuk JE,Oh SR,Kim HS,Lee HK,Ahn KSdoi
10.1016/j.intimp.2009.03.012subject
Has Abstractpub_date
2009-07-01 00:00:00pages
878-85issue
7-8eissn
1567-5769issn
1878-1705pii
S1567-5769(09)00110-6journal_volume
9pub_type
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journal_title:International immunopharmacology
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doi:10.1016/j.intimp.2009.09.020
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journal_title:International immunopharmacology
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