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Open AccessArticle

Anti-Obesity Effects of Hispidin and Alpinia zerumbet Bioactives in 3T3-L1 Adipocytes

1
Department of Bioscience and Biotechnology, The United Graduate School of Agricultural Sciences, Kagoshima University, Korimoto 1-21-24, Kagoshima 890-8580, Japan
2
Department of Bioscience and Biotechnology, Faculty of Agriculture, University of the Ryukyus, Senbaru 1, Nishihara-cho, Okinawa 903-0129, Japan
*
Author to whom correspondence should be addressed.
Molecules 2014, 19(10), 16656-16671; https://doi.org/10.3390/molecules191016656
Received: 31 August 2014 / Revised: 22 September 2014 / Accepted: 10 October 2014 / Published: 15 October 2014
(This article belongs to the Special Issue Prodrugs)
Obesity and its related disorders have become leading metabolic diseases. In the present study, we used 3T3-L1 adipocytes to investigate the anti-obesity activity of hispidin and two related compounds that were isolated from Alpinia zerumbet (alpinia) rhizomes. The results showed that hispidin, dihydro-5,6-dehydrokawain (DDK), and 5,6-dehydrokawain (DK) have promising anti-obesity properties. In particular, all three compounds significantly increased intracellular cyclic adenosine monophosphate (cAMP) concentrations by 81.2% ± 0.06%, 67.0% ± 1.62%, and 56.9% ± 0.19%, respectively. Hispidin also stimulated glycerol release by 276.4% ± 0.8% and inhibited lipid accumulation by 47.8% ± 0.16%. Hispidin and DDK decreased intracellular triglyceride content by 79.5% ± 1.37% and 70.2% ± 1.4%, respectively, and all three compounds inhibited glycerol-3-phosphate dehydrogenase (GPDH) and pancreatic lipase, with hispidin and DDK being the most potent inhibitors. Finally, none of the three compounds reduced 3T3-L1 adipocyte viability. These results highlight the potential for developing hispidin and its derivatives as anti-obesity compounds. View Full-Text
Keywords: Alpinia zerumbet; 5,6-dehydrokawain; dihydro-5,6-dehydrokawain; hispidin; anti-obesity; 3T3-L1 adipocytes Alpinia zerumbet; 5,6-dehydrokawain; dihydro-5,6-dehydrokawain; hispidin; anti-obesity; 3T3-L1 adipocytes
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MDPI and ACS Style

Tu, P.T.B.; Tawata, S. Anti-Obesity Effects of Hispidin and Alpinia zerumbet Bioactives in 3T3-L1 Adipocytes. Molecules 2014, 19, 16656-16671.

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