Anti-allergic Flavones from Arthraxon hispidus
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概要
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Bioactivity-guided fractionation for an EtOAc-soluble fraction of methanolic extract of Arthraxon hispidus, using primary cell assay with bone marrow-derived mast cells (BMMC), led to an isolation of six new flavones and nine known compounds. The structures of the new compounds were established by one dimensional (1D)- and 2D-NMR spectroscopic data, as luteolin 8-C-β-kerriopyranoside (1), luteolin 8-acetic acid methyl ester (2), 7-methyl-luteolin 8-C-β-(6-deoxyxylo-3-uloside) (3), apigenin 8-C-α-fucopyranoside (4), apigenin 8-C-β-fucopyranoside (5) and luteolin 8-C-β-fucopyranoside (6). All the isolates were evaluated for inhibitory activities on interleukin-6 release in the primary cultures using BMMC. Of the tested compounds, compounds 2, 3 and 10 were found to inhibit interleukin-6 release. Furthermore, compound 2 displayed inhibitory activity against prostaglandin D2, leukotriene C4, and β-hexosaminidase releases.
著者
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Kim Young-ho
College Of Pharmacy Chungnam National University
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Chin Young-won
College Of Pharmacy And Research Institute Of Pharmaceutical Science Seoul National University
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Oh Sei-Ryang
Bio-Therapeutics Research Institute, Korea Research Institute of Bioscience & Biotechnology (KRIBB)
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Quan Gui-Hua
Central Research Laboratory, The Second Clinical Hospital of Jilin University
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Chae Hee-Sung
Bio-Therapeutics Research Institute, Korea Research Institute of Bioscience & Biotechnology (KRIBB)
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Song Hyuk
Bio-Therapeutics Research Institute, Korea Research Institute of Bioscience & Biotechnology (KRIBB)
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Ahn Kyoung-Seop
Bio-Therapeutics Research Institute, Korea Research Institute of Bioscience & Biotechnology (KRIBB)
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Lee Hyeong-Kyu
Bio-Therapeutics Research Institute, Korea Research Institute of Bioscience & Biotechnology (KRIBB)
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Lee Hyeong-Kyu
Bio-Therapeutics Research Institute, Korea Research Institute of Bioscience & Biotechnology (KRIBB)
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Song Hyuk
Bio-Therapeutics Research Institute, Korea Research Institute of Bioscience & Biotechnology (KRIBB)
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