Int. J. Mol. Sci. 2012, 13(1), 994-1005; doi:10.3390/ijms13010994
Article

Boesenbergia pandurata Attenuates Diet-Induced Obesity by Activating AMP-Activated Protein Kinase and Regulating Lipid Metabolism

1 Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 120-749, Korea 2 Department of Biomaterials Science and Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 120-749, Korea
* Author to whom correspondence should be addressed.
Received: 20 December 2011; in revised form: 22 December 2011 / Accepted: 11 January 2012 / Published: 17 January 2012
(This article belongs to the Section Bioactives and Nutraceuticals)
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Abstract: Obesity, a chronic metabolic disorder, is characterized by enlarged fat mass and dysregulation of lipid metabolism. The medicinal plant, Boesenbergia pandurata (Roxb.) Schltr., has been reported to possess anti-oxidative and anti-inflammatory properties; however, its anti-obesity activity is unexplored. The present study was conducted to determine whether B. pandurata extract (BPE), prepared from its rhizome parts, attenuated high-fat diet (HFD)-induced obesity in C57BL/6J mice. The molecular mechanism was investigated in 3T3-L1 adipocytes and HepG2 human hepatoma cells. BPE treatment decreased triglyceride accumulation in both 3T3-L1 adipocytes and HepG2 hepatocytes by activating AMP-activated protein kinase (AMPK) signaling and regulating the expression of lipid metabolism-related proteins. In the animal model, oral administration of BPE (200 mg/kg/day for 8 weeks) significantly reduced HFD-induced body weight gain without altering the amount of food intake. In addition, elevated serum levels of total cholesterol, low-density lipoprotein cholesterol, and triglycerides were suppressed by BPE administration. Fat pad masses were reduced in BPE-treated mice, as evidenced by reduced adipocyte size. Furthermore, BPE protected against the development of nonalcoholic fatty liver by decreasing hepatic triglyceride accumulation. BPE also activated AMPK signaling and altered the expression of lipid metabolism-related proteins in white adipose tissue and liver. Taken together, these findings indicate that BPE attenuates HFD-induced obesity by activating AMPK and regulating lipid metabolism, suggesting a potent anti-obesity agent.
Keywords: Boesenbergia pandurata (Roxb.) Schltr.; obesity; fatty liver; lipid accumulation; AMP-activated protein kinase

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MDPI and ACS Style

Kim, D.-Y.; Kim, M.-S.; Sa, B.-K.; Kim, M.-B.; Hwang, J.-K. Boesenbergia pandurata Attenuates Diet-Induced Obesity by Activating AMP-Activated Protein Kinase and Regulating Lipid Metabolism. Int. J. Mol. Sci. 2012, 13, 994-1005.

AMA Style

Kim D-Y, Kim M-S, Sa B-K, Kim M-B, Hwang J-K. Boesenbergia pandurata Attenuates Diet-Induced Obesity by Activating AMP-Activated Protein Kinase and Regulating Lipid Metabolism. International Journal of Molecular Sciences. 2012; 13(1):994-1005.

Chicago/Turabian Style

Kim, Dae-Young; Kim, Myung-Suk; Sa, Bo-Kyung; Kim, Mi-Bo; Hwang, Jae-Kwan. 2012. "Boesenbergia pandurata Attenuates Diet-Induced Obesity by Activating AMP-Activated Protein Kinase and Regulating Lipid Metabolism." Int. J. Mol. Sci. 13, no. 1: 994-1005.

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