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http://dx.doi.org/10.5352/JLS.2019.29.2.209

Effects of Ethanol Extract of Sargassum horneri on Adipocyte Differentiation and Adipogenesis in 3T3-L1 Preadipocytes  

Kwon, Da Hye (Anti-aging Research Center, Dong-eui University)
Choi, Yung Hyun (Anti-aging Research Center, Dong-eui University)
Kim, Byung Woo (Blue Bio Industry RIC., Dong-eui University)
Hwang, Hye Jin (Blue Bio Industry RIC., Dong-eui University)
Publication Information
Journal of Life Science / v.29, no.2, 2019 , pp. 209-214 More about this Journal
Abstract
Sargassum horneri (Turner) C. Agardh is a marine brown algae widely distributed in the North Pacific Ocean. It is known for its anti-inflammatory and anti-atopic effects. In this study, we determined the effects of ethanol extract of Sargassum horneri (Turner) C. Agardh (EESH) on anti-obesity activities in 3T3-L1 preadipocytes. Our results indicated that treatment with EESH decreased the differentiation of 3T3-L1 preadipocytes in a dose-dependent manner, as confirmed by a decrease in lipid droplet content observed by oil red O staining. The concentrations of cellular triglycerides were also reduced in 3T3-L1 cells after treatment with EESH. Triglyceride content was inhibited by 13%, 16%, and 23% after treatment with 250, 500, and $1,000{\mu}g/ml$ of EESH in 3T3-L1 cells, respectively. Western blotting analysis showed that EESH suppressed adipogenic transcription factor expression in a dose dependent manner. Specifically, it suppressed cytidine-cytidine-adinosine-adenosine-thymidine (CCAAT) /enhancer binding proteins $(C/EBP){\alpha}$, $C/EBP{\beta}$ and peroxisome proliferator-activated receptor $(PPAR){\gamma}$. This indicated that EESH could control the expression of adipogenic transcription factors and inhibit the differentiation of adipocytes. Taken together, these findings demonstrated that EESH showed anti-obesity effects and could have potential uses in the field of nutraceuticals.
Keywords
Adipogenic transcription factor; obesity; Sargassum horneri; triglyceride; 3T3-L1;
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