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Platycodon grandiflorus Root Ethanol Extract Induces Lipid Excretion, Lipolysis, and Thermogenesis in Diet-Induced Obese Mice
- Platycodon grandiflorus Root Ethanol Extract Induces Lipid Excretion, Lipolysis, and Thermogenesis in Diet-Induced Obese Mice
- Kim Y.J.; Ryu R.; Choi J.-Y.; Choi M.-S.
- Ewha Authors
- Issue Date
- Journal Title
- Journal of Medicinal Food
- Journal of Medicinal Food vol. 22, no. 11, pp. 1100 - 1109
- fecal lipids; platycodon grandiflorus; thermogenic activity; triterpenoid saponin
- Mary Ann Liebert Inc.
- SCI; SCIE; SCOPUS; KCI
- Document Type
- Adipocytes regulate lipid metabolism according to physiological energy requirements. A dysfunctional lipid metabolism can lead to obesity and its complications such as hepatic steatosis, diabetes, and hyperlipidemia. In our study, the impact of Platycodon grandiflorus root ethanol extract (PGH) on lipid excretion and thermogenesis-related markers in diet-induced obesity mice was analyzed. Our data show that PGH elevated fatty acid uptake in epididymal adipose tissue by increasing Cd36, Slc27a1, Ffar2, and Ffar4 expression, which led to decreased blood free fatty acid concentrations. Moreover, PGH normalized body weight and fat mass in diet-induced obese mice by increasing lipolysis (Plin1, Atgl, and Hsl) and fatty acid oxidation. Changes in the levels of browning-related genes, enzyme activity of carnitine palmitoyltransferase, and the overall transcriptome (Bmp4, Cidec, Ucp3, Sirt3, and Cox4i1) led to promote brown adipose tissue-like features (browning) in epididymal white adipose tissue and enhanced energy expenditure. Our results suggest that PGH promotes lipid excretion and thermogenic function in high-fat diet-induced obese mice, which are mediated by regulation of fat metabolism. © Copyright 2019, Mary Ann Liebert, Inc., publishers, and Korean Society of Food Science and Nutrition 2019.
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