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http://dx.doi.org/10.5352/JLS.2015.25.1.62

Effects of Myelophycus Simplex Papenfuss Methanol Extract on Adipocyte Differentiation and Adipogenesis in 3T3-L1 Preadipocytes  

Kim, Hyang Suk (Anti-aging Research Center, Dong-eui University)
Kwon, Da Hye (Department of Food and Nutrition, Dong-eui University)
Cheon, Ji Min (Department of Food and Nutrition, Dong-eui University)
Choi, Eun Ok (Department of Food and Nutrition, Pusan National University)
Kim, Ji Hyun (Department of Food and Nutrition, Pusan National University)
Han, Min Ho (Department of Oriental Medicine, Dong-eui University)
Choi, Yung Hyun (Anti-aging Research Center, Dong-eui University)
Kim, Byung Woo (Department of Life Science and Biotechnology, Dong-eui University)
Hwang, Hye Jin (Department of Food and Nutrition, Dong-eui University)
Publication Information
Journal of Life Science / v.25, no.1, 2015 , pp. 62-67 More about this Journal
Abstract
Myelophycus simplex Papenfuss is distributed over the northern Pacific and southern coast of Korea, and is a member of the brown algae family. The objective of this study was to investigate the effect of M. simplex methanol extract on adipocyte differentiation and adipogenesis in 3T3-L1 preadipocytes. Treatment with M. simplex methanol extract significantly suppressed terminal 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. Also, the M. simplex methanol extract significantly suppressed the triglyceride content of 3T3-L1 preadipocytes in a dose-dependent manner. Treatment with 300 and $500{\mu}g/ml$ of M. simplex methanol extract caused a 42% and 76% reduction in lipid droplet content, respectively. In order to understand the anti-adipogenic effects of M. simplex methanol extract, the changes in the expression of several adipogenic transcription factors, including peroxisome proliferator-activated receptor (PPAR) ${\gamma}$-cytidine-cytidine-adenosine-adenosine-thymidine (CCAAT)/enhancer binding protein (C/EBP) ${\alpha}$ and ${\beta}$, were investigated using immunoblotting. M. simplex suppressed the expression of $PPAR{\gamma}$, $C/EBP{\alpha}$, and $C/EBP{\beta}$ proteins compared with control. Therefore, the results of this study suggest that M. simplex methanol extract inhibits adipocyte differentiation and thus may have applications as a potential source for an anti-obesity functional food agent.
Keywords
Adipogenesis; Myelophycus simplex Papenfuss; triglyceride; 3T3-L1;
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