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Lipid metabolic effect of Korean red ginseng extract in mice fed on a high‐fat diet
Author(s) -
Song YongBum,
An Yu Ri,
Kim Seung Jun,
Park HyeWon,
Jung JinWook,
Kyung JongSoo,
Hwang Seung Yong,
Kim YoungSook
Publication year - 2011
Publication title -
journal of the science of food and agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 142
eISSN - 1097-0010
pISSN - 0022-5142
DOI - 10.1002/jsfa.4589
Subject(s) - ginseng , lipid metabolism , adiponectin , leptin , endocrinology , medicine , cholesterol , carbohydrate metabolism , insulin , metabolism , biology , in vivo , chemistry , obesity , insulin resistance , alternative medicine , pathology , microbiology and biotechnology
BACKGROUND: Ginseng saponin and ginsenosides exert anti‐obesity effects via the modulation of physiological lipid metabolism in vivo or intracellular signalling in cell culture systems. However, the complicated relationship between the anti‐obesity effects of ginseng and gene expression has yet to be defined under in vivo conditions. Therefore, we evaluated the relationship between the anti‐obesity effects of Korean red ginseng extract (KRGE) and hepatic gene expression profiles in mice fed long‐term on a high‐fat diet (HFD) in this study. RESULTS: KRGE reduces the levels of cholesterol, low‐density lipoprotein‐cholesterol (LDL‐C), serum triglycerides, and atherogenic indices. Levels of leptin, adiponectin and insulin, which regulate glucose and lipid metabolism, were impaired profoundly by HFD. However, KRGE treatment brought these levels back to normal. KRGE was found to down‐regulate genes associated with lipid metabolism or cholesterol metabolism ( Lipa, Cyp7a1, Il1rn, Acot2, Mogat1, Osbpl3, Asah3l, Insig1, Anxa2, Vldlr, Hmgcs1, Sytl4, Plscr4, Pla2g4e, Slc27a3, Enpp6 ), all of which were up‐regulated by HFD. CONCLUSION: KRGE regulated the expression of genes associated with abnormal physiology via HFD. Leptin, insulin, and adiponectin, which carry out critical functions in energy and lipid metabolism, were shown to be modulated by KRGE. These results show that KRGE is effective in preventing obesity. Copyright © 2011 Society of Chemical Industry

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