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http://dx.doi.org/10.9721/KJFST.2019.51.6.558

Jinan red ginseng extract inhibits triglyceride synthesis via the regulation of LXR-SCD expression in hepatoma cells  

Hwang, Seung-mi (Department of Efficacy Study, Institute of Jinan Red Ginseng)
Park, Chung-berm (Department of Efficacy Study, Institute of Jinan Red Ginseng)
Publication Information
Korean Journal of Food Science and Technology / v.51, no.6, 2019 , pp. 558-564 More about this Journal
Abstract
Hypertriglyceridemia is one of the metabolic syndrome that is often observed as a result of lipid abnormalities. It is associated with other lipids, metabolic disorders, cardiovascular disease and liver disease. Korean red ginseng is known to affect obesity, dyslipidemia, liver disease and liver function, but the mechanism of its effect is not clear. This study examined the beneficial effects of hypertriglyceridemia and the mechanism of action of Jinan red ginseng extract (JRG) in hepatoma cells. To measure the levels of triglyceride accumulation, we studied the expression of proteins and mRNAs related to lipidogenesis in hepatoma cells (Huh7 and HepG2). JRG decreases the lipidogenic markers, peroxisome proliferator-activated receptor γ (PPARγ), CCAAT-enhancer-binding proteins α (C/EBPα) and C/EBPβ which are major regulators of triglyceride synthesis in hepatoma cells. We also found that JRG reduced sterol regulatory element binding proteins 1c (SREBP-1c), C/EBPα and C/EBPβ by regulating liver X receptor (LXR) and stearoyl CoA desaturase (SCD) expressions. In addition, the first-limited step of synthesis triglyceride (TG), glycerol-3-phosphate (G3P) is decreased by JRG. These results suggest that the anti-hypertriglyceride effect of JRG in hepatoma cells could be accompanied with the inhibition of lipidogenic transcription factors by regulating LXR and SCD expression.
Keywords
Inhibition of triglyceride synthesis; Jinan red ginseng; hypertriglyceridemia; LXR; SCD;
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