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Abstract Title:

Effects of Atractylodes macrocephala Koidzumi rhizome on 3T3-L1 adipogenesis and an animal model of obesity.

Abstract Source:

J Ethnopharmacol. 2011 Sep 1 ;137(1):396-402. Epub 2011 Jun 6. PMID: 21669278

Abstract Author(s):

Chang Keun Kim, Mihyun Kim, Sang Deog Oh, Sang-Min Lee, Boram Sun, Gi Soon Choi, Sun-Kwang Kim, Hyunsu Bae, Chulhun Kang, Byung-Il Min

Article Affiliation:

Chang Keun Kim

Abstract:

ETHNOPHARMACOLOGICAL RELEVANCE: Atractylodes macrocephala Koidzumi (AMK) is an herbal medicine traditionally used for treatment of abdominal pain, gastrointestinal disease, obesity, and related complications.

AIM OF THE STUDY: We investigated the effects and molecular mechanism of AMK rhizome water extract on 3T3-L1 adipogenesis and an animal model of obesity.

MATERIALS AND METHODS: To study the effect of AMK on adipogenesis in vitro, differentiating 3T3-L1 cells were treated every two days with AMK at various concentrations (1-25μg/ml) for eight days. Oil Red O staining was performed to determine the lipid accumulation in 3T3-L1 cells. To elucidate the inhibitory mechanism of AMK on adipogenesis, phosphorylation levels of Akt and expression of perilipin, were analyzed by Western blotting. AMK was administered orally to high fat diet (HFD)-induced obese rats to confirm its effect in vivo.

RESULTS: AMK inhibited 3T3-L1 adipocyte differentiation in a dose-dependent manner without cellular toxicity. Phospho-Akt expression was highly decreased by AMK treatment, whereas there was no significant change in perilipin expression. AMK administration significantly reduced the body weight of rats fed a HFD. Plasma triglyceride levels were significantly lower in the AMK-treated HFD group than those in the HFD control group or normal diet (ND) group, although serum total, HDL- and LDL-cholesterol levels did not differ between the groups.

CONCLUSION: These results demonstrate an inhibitory effect of AMK on adipogenesis through reduction of an adipogenic factor, phospho-Akt. AMK had a beneficial effect, reducing body weight gain in a HFD-induced animal model of obesity.

Study Type : Animal Study

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Sayer Ji
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