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Flexibilisquinone, a New Anti-Inflammatory Quinone from the Cultured Soft Coral Sinularia flexibilis
Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 804, Taiwan
Graduate Institute of Marine Biotechnology, National Dong Hwa University, Pingtung 944, Taiwan
National Museum of Marine Biology and Aquarium, Pingtung 944, Taiwan
Division of Marine Biotechnology, Asia-Pacific Ocean Research Center, National Sun Yat-sen University, Kaohsiung 804, Taiwan
Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University and Academia Sinica, Kaohsiung 804, Taiwan
Chinese Medicine Research and Development Center, China Medical University Hospital, Taichung 404, Taiwan
Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 807, Taiwan
These authors contributed equally to this work.
* Authors to whom correspondence should be addressed.
Received: 27 May 2013; in revised form: 4 July 2013 / Accepted: 8 July 2013 / Published: 10 July 2013
Abstract: A new quinone derivative, flexibilisquinone (1), was isolated from the cultured soft coral Sinularia flexibilis, originally distributed in the waters of Taiwan. The structure of quinone 1 was established by extensive spectroscopic methods, particularly 1D and 2D NMR experiments. In the in vitro anti-inflammatory effects test, quinone 1 was found to significantly inhibit the accumulation of the pro-inflammatory iNOS and COX-2 proteins of the LPS-stimulated RAW264.7 macrophage cells.
Keywords: flexibilisquinone; cultured soft coral; Sinularia flexibilis; anti-inflammatory; iNOS; COX-2
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MDPI and ACS Style
Lin, Y.-F.; Kuo, C.-Y.; Wen, Z.-H.; Lin, Y.-Y.; Wang, W.-H.; Su, J.-H.; Sheu, J.-H.; Sung, P.-J. Flexibilisquinone, a New Anti-Inflammatory Quinone from the Cultured Soft Coral Sinularia flexibilis. Molecules 2013, 18, 8160-8167.
Lin Y-F, Kuo C-Y, Wen Z-H, Lin Y-Y, Wang W-H, Su J-H, Sheu J-H, Sung P-J. Flexibilisquinone, a New Anti-Inflammatory Quinone from the Cultured Soft Coral Sinularia flexibilis. Molecules. 2013; 18(7):8160-8167.
Lin, Yu-Fang; Kuo, Chao-Ying; Wen, Zhi-Hong; Lin, Yen-You; Wang, Wei-Hsien; Su, Jui-Hsin; Sheu, Jyh-Horng; Sung, Ping-Jyun. 2013. "Flexibilisquinone, a New Anti-Inflammatory Quinone from the Cultured Soft Coral Sinularia flexibilis." Molecules 18, no. 7: 8160-8167.