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J Med Food. 2009 Aug;12(4):736-45. doi: 10.1089/jmf.2008.1240.

Artemisia capillaris inhibits lipid accumulation in 3T3-L1 adipocytes and obesity in C57BL/6J mice fed a high fat diet.

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1
The Center for Traditional Microorganism Resources Center, Keimyung University, Daegu, Republic of Korea.

Abstract

The purpose of the current study was to determine the effect of the Artemisia capillaris ethyl acetate (ACE) fraction on diet-induced obesity and to elucidate the underlying mechanism. The ACE fraction treatment decreased the leptin level and fat accumulation in cultured 3T3-L1 adipocytes through the free fatty acids released in the medium. The ACE fraction significantly suppressed the expression of peroxisome proliferator-activated receptor-gamma in cultured 3T3-L1 adipocytes. To determine the effect of the ACE fraction on C57BL/6J male mice, the mice were separated into six groups: normal control (N), N plus 0.1 g/kg body weight ACE (NB), high fat control group (HF), HF plus 0.05 g/kg of body weight ACE (HFA), HF plus 0.1 g/kg of body weight ACE (HFB), and HF plus 0.03 g/kg of body weight rosiglitazone (RG) groups. We speculate that the HFB group exhibits a lipid-lowering effect via increased mitochondrial beta-oxidation, of which the rate-limiting enzyme is carnitine palmitoyl transferase I, the activity of which was significantly increased. Also, the activity of fatty acid synthase, a key enzyme of fatty acid synthesis, was markedly suppressed (19%) in the HFB group, as compared to the HF group, and glycerol-3-phosphate dehydrogenase activity, which is very useful in studying adipogenic differentiation in vitro, was markedly suppressed (30%) in the HFB group compared with the HF group. Furthermore, the HFB group showed lowered hepatic lipid droplet accumulation and adipose tissue weight and size. We suggest that 0.1 g of the ACE fraction/kg of body weight may exert an anti-obesity effect in C57BL/6J mice by enhancing lipid metabolism.

PMID:
19735172
DOI:
10.1089/jmf.2008.1240
[Indexed for MEDLINE]
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