Journal of Ginseng Research

The Korean Society of Ginseng (고려인삼학회)
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Ameliorative effects of black ginseng on nonalcoholic fatty liver disease in free fatty acid-induced HepG2 cells and high-fat/high-fructose diet-fed mice

  • Park, Miey (Department of Food and Nutrition, Gachon University) ;
  • Yoo, Jeong-Hyun (Institute for Aging and Clinical Nutrition Research, Gachon University) ;
  • Lee, You-Suk (Department of Food and Nutrition, Gachon University) ;
  • Park, Eun-Jung (Department of Food and Nutrition, Gachon University) ;
  • Lee, Hae-Jeung (Department of Food and Nutrition, Gachon University)
  • Received : 2019.04.15
  • Accepted : 2019.09.25
  • Published : 2020.03.15
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Abstract

Background: Black ginseng (BG) is a type of Korean ginseng prepared by steaming and drying raw ginseng to improve the saponin content. This study examined the effects of BG on nonalcoholic fatty liver disease (NAFLD) in HepG2 cells and diet-induced obese mice. Methods: HepG2 cells were treated with free fatty acids to induce lipid accumulation before supplementation with BG. NAFLD-induced mice were fed different doses (0.5%, 1%, and 2%) of BG for 8 weeks. Results: BG significantly reduced lipid accumulation and expression of lipogenic genes, peroxisome proliferator-activated receptor gamma, CCAAT/enhancer-binding protein alpha, sterol regulatory element-binding protein-1c, and fatty acid synthase in HepG2 cells, and the livers of mice fed a 45% high-fat diet with 10% fructose in the drinking water (HFHF diet). BG supplementation caused a significant reduction in levels of aspartate aminotransferase and alanine aminotransferase, while antioxidant enzymes activities were significantly increased in 45% high-fat diet with 10% fructose in the drinking water diet-fed mice. Expression of proliferator-activated receptor alpha and carnitine palmitoyltransferase I were upregulated at the transcription and translation levels in both HepG2 cells and diet-induced obese mice. Furthermore, BG-induced phosphorylation of AMP-activated protein kinase and acetyl CoA carboxylase in both models, suggesting its role in AMP-activated protein kinase activation and the acetyl CoA carboxylase signaling pathway. Conclusion: Our results indicate that BG may be a potential therapeutic agent for the prevention of NAFLD.

Keywords

References

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