Journal
FOOD CHEMISTRY
Volume 134, Issue 1, Pages 227-234Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2012.02.101
Keywords
Schisandra chinensis; Adipocyte differentiation; Akt; GSK3 beta; 3T3-L1 Adipocytes; HFD obese rats
Funding
- Jangsu Omija Cluster in the Republic of Korea
- National Research Foundation of Korea [2012M3A9B8019303, 2009-0062556, 2012R1A2A2A06045015] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In the present study. Schisandra chinensis (SC) was evaluated for inhibition effects on adipocyte differentiation in 3T3-L1 cells and anti-obesity properties in high fat diet (HFD)-induced obese rats. SC prevented lipid accumulation and impaired the differentiation of 3T3-L1 preadipocytes into adipocytes in a dose-dependent manner compared with the cells allowed to differentiate in DMII treated-control cells. SC treatment decreased expression of the key adipocyte differentiation regulator C/EBP beta, as well as C/EBP alpha or PPAR gamma, and resultant down-regulation of the terminal marker gene, aP2 during differentiation of 3T3-L1 preadipocytes into adipocytes. Moreover, Akt and GSK3 beta phosphorylation was down-regulated by SC treatment, which blocked adipogenesis and adipocyte differentiation. SC also inhibited HFD induced weight gain and adiposity in rats. HFD-induced obese rats showed a significant increase in the evels of serum TG and TC compared to rats on a normal diet. However, the levels of serum TG and TC in HFD + SC rats reduced significantly relative to the levels in HFD rats. Taken together, our results indicate that SC extracts inhibited preadipocyte differentiation and adipogenesis in cultured cells, leading to decreased body weight and fat tissue mass in HFD obese rats. (C) 2012 Elsevier Ltd. All rights reserved.
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