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KMID : 0363420150290010001
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Journal of Korean Oriental Pediatrics
2015 Volume.29 No. 1 p.1 ~ p.14
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The Effects of Dai-saiko-to (Da-Chai-Hu-Tang) on 3T3-L1 Preadipocytes and High-Fat Diet-Induced Obese Mice
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Min Deul-le
Park Eun-Jung
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Abstract
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Objectives: This experimental study was designed to investigate the effects of Dai-saiko-to (DSH) on differentiation of
3T3-L1 preadipocytes and body weight, serum lipid levels in high-fat diet-induced obese mice.
Materials and Methods: Cells were incubated with DSH at an indicated concentration (0.01-1 ㎎/㎖) for 24h, then the growth rate was assessed by MTS assay. 3T3-L1 preadipocytes were incubated in DMEM for 2 days with the indicated concentrations of DSH. On Day 6, the cells were fixed and the cellular lipid contents were assessed by Oil-Red-O staining. The expression of peroxisome proliferator-activated receptor γ (PPARγ) and cytidine-cytidine-adenosine-adenosine-thymine (CCAAT)/enhancer-binding proteins α (C/EBPα) as adipocyte-specific proteins were determined by real time RTPCR and western blotting. Four-weeks old mice (wild-type C57BL/6) were used for all experiments. Body weight gain and serum lipid levels were measured in the obesity-induced mice.
Results: DSH did not show toxicity even at the concentration of 1 ㎎/㎖ and DSH significantly inhibited the differentiation of 3T3-L1 preadipocytes in a dose-dependent manner. Also, DSH significantly reduced the expressions of PPARγ and C/EBPα in a dose-dependent manner. Furthermore, DSH significantly reduced body weight gain, serum glucose, total cholesterol and LDL-cholesterol contents in obesity-induced mice.
Conclusions: These results demonstrated that DSH inhibited 3T3-L1 preadipocyte differentiations and high-fat diet-induced
obesity in mice.
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KEYWORD
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Dai-saiko-to (DSH), Obesity, Adipocyte differentiation, PPARγ, C/EBPα, Serum lipid
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