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KMID : 1161420200230030312
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Journal of Medicinal Food
2020 Volume.23 No. 3 p.312 ~ p.318
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Physalis alkekengi Exhibits Antiobesity Effects in Mice with Potential of Inducing White Adipose Tissue Browning
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Lee Yuan Yee
Kim Min-Ki
Irfan Muhammad
Kim Seung-Hyung
Kim Sung-Dae
Rhee Man-Hee
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Abstract
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The aim of this study was to investigate the efficacy of an ethanol extract of Physalis alkekengi (PA) and its mechanistic pathway of action at the molecular level for its antiobesity properties. Four-week old male Institute of Cancer Research (ICR) mice were acclimatized for a week before starting the high-fat diet (HFD) for 2 weeks to induce obesity, followed by 8 more weeks of oral administration of 10?mg/kg orlistat and 300?mg/kg of PA extract, along with HFD. Body weights of the mice and feed and water intake were recorded weekly. After a total of 12 weeks, mice were euthanized, and blood, liver, and adipose tissues were harvested for further analysis. Administration of PA extract inhibited the progression of obesity by reducing weight gain, weight of adipose tissue, and normalizing serum triglyceride, glucose, total cholesterol, high-density lipoprotein, low-density lipoprotein, alanine aminotransferase, and aspartate aminotransferase. PA extract prevented the progression of nonalcoholic steatohepatitis induced by HFD and prevented the enlargement of liver. Phosphorylation of adenosine monophosphate-activated protein kinase α increased while phosphorylation of acetyl-CoA carboxylase was reduced. The browning gene uncoupling protein 1 expression was also increased by PA extract treatment. Our findings revealed that the antiobesity properties of PA extract may be mediated by browning of white adipose tissue.
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KEYWORD
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antiobesity, browning gene, high-fat diet, Physalis alkekengi, UCP-1
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