Syntheses of ferulic acid derivatives and their suppressive effects on cyclooxygenase-2 promoter activity |
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Authors: | Hosoda Asao Ozaki Yoshihiko Kashiwada Ayumi Mutoh Michihiro Wakabayashi Keiji Mizuno Kazuhiko Nomura Eisaku Taniguchi Hisaji |
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Institution: | Industrial Technology Center of Wakayama Prefecture, 60 Ogura, 649-6261, Wakayama, Japan. |
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Abstract: | Novel ferulic acid derivatives in which feruloyl groups were attached to the hydroxyl groups of myo-inositol 1,3,5-orthoformate derivatives were synthesized. These feruloyl-myo-inositols suppressed the cyclooxygenase-2 (COX-2) promoter activity in a concentration-dependent manner. Among the examined compounds, compound 9 showed the highest activity. A treatment with 100 microM of compound 9 for 24 h resulted in a 50% decrease of COX-2 promoter activity without marked cytotoxicity. Both the molecular structure in which two ferulic acid moieties are facing each other and the molecular hydrophobicity may be essential for the suppression of COX-2 promoter activity. |
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