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Licochalcone E Ameliorates Hepatic Steatosis in Obese Mice by Activating the Sirt1/AMPK Pathway and Reducing Hepatic Lipid Accumulation

  • Wen-Chung Huang (Graduate Institute of Health Industry Technology, Center for Drug Research and Development, Chang Gung University of Science and Technology) ;
  • Shu-Ju Wu (Department of Nutrition and Health Sciences, Center for Drug Research and Development, Chang Gung University of Science and Technology) ;
  • Xuan-Min Liu (Graduate Institute of Health Industry Technology, Center for Drug Research and Development, Chang Gung University of Science and Technology) ;
  • Shu-Chen Cheng (Graduate Institute of Health Industry Technology, Center for Drug Research and Development, Chang Gung University of Science and Technology) ;
  • Po-Ting Lin (Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University) ;
  • Chun-Ling Kuo (Department of Traditional Chinese Medicine, Chang Gung Memorial Hospital) ;
  • Chian-Jiun Liou (Department of Traditional Chinese Medicine, Chang Gung Memorial Hospital)
  • Received : 2025.08.22
  • Accepted : 2026.03.19
  • Published : 2026.05.01

Abstract

Licochalcone E is a chalcone isolated from Glycyrrhiza uralensis and G. inflata Batal. This study explored the effect of licochalcone E on improving hepatic steatosis in obese mice and evaluated the role of licochalcone E in regulating lipid accumulation in hepatocytes. In vitro, oleic acid-induced hepatocytes were treated with licochalcone E to investigate its effect on lipid metabolic pathways. In animal experiments, male C57BL/6 mice were fed with a high-fat diet (HFD) and treated with licochalcone E by intraperitoneal injection for 12 weeks to assess its effects on biochemical indexes and hepatic steatosis. Furthermore, mice were fed a methionine/choline-deficient (MCD) diet and administered licochalcone E, followed by evaluation of liver fibrosis. Licochalcone E effectively reduced body weight, epididymal and inguinal fat weight, and adipocyte size in HFD-induced obese mice. Licochalcone E treatment of obese mice also reduced hepatic lipid accumulation and improved hepatocyte steatosis. Licochalcone E regulated the expression of lipogenesis- and lipolysis-related genes in the livers of obese mice and increased AMPK phosphorylation and Sirt1 expression in the liver. Licochalcone E also attenuated hepatic inflammation and oxidative stress in obese mice. Furthermore, treatment of MCD-induced mice with licochalcone E reduced the number of lipid vacuoles and the extent of fibrosis and inhibited liver inflammation. In FL83B hepatocytes, licochalcone E could regulate lipogenesis and lipolysis, and increase the phosphorylation of AMPK and ACC. These findings provide new insights into the role of licochalcone E in regulating lipid metabolism and preventing hepatic steatosis.

Keywords

Acknowledgement

This study was supported in part by grants from Chang Gung Memorial Hospital (CMRPG3P0951, CMRP1N0071, CMRPF1N0051, CMRPF1N0081, and CMRPF1L0031), the Chang Gung University of Science and Technology (ZRRPF3N0091, ZRRPF3P0091, and ZRRPF3Q0091), and the Ministry of Science and Technology in Taiwan (112-2320-B-255-005-MY3, 112-2320-B-255-006-MY3, 112-2320-B-255-007-MY3).

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