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  • Title: Bioactive compounds from liverworts: Inhibition of lipopolysaccharide-induced inducible NOS mRNA in RAW 264.7 cells by herbertenoids and cuparenoids.
    Author: Harinantenaina L, Quang DN, Nishizawa T, Hashimoto T, Kohchi C, Soma G, Asakawa Y.
    Journal: Phytomedicine; 2007 Aug; 14(7-8):486-91. PubMed ID: 17336048.
    Abstract:
    The inhibition of lipopolysaccharide (LPS)-induced inducible nitric oxide synthase (iNOS) by herbertenoids and cuparenoids isolated from liverworts in RAW 264.7 macrophages was evaluated. Among compounds tested, herbertenediol, cuparenediol, 1,2-diacetoxyherbertene and 2-hydroxy-4-methoxycuparene exhibited significant activity. For 2-hydroxy-4-methoxycuparene, chosen as representative compound, the strong inhibitory activity was related to the inhibition on LPS-induced iNOS mRNA. The structure-activity relationship will be discussed.
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