Protective effect of Codonopsis lanceolata root extract against alcoholic fatty liver in the rat

Keunsook Cho, Seung Jin Kim, Sung Hee Park, Sojin Kim, Taesun Park

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Alcohol intake remains the most important cause of fatty liver throughout the world. The current study was undertaken to determine whether dietary supplementation with Codonopsis lanceolata root water extract attenuates the development of alcoholic fatty liver in rats and to elucidate the molecular mechanism for such an effect. Male Sprague-Dawley rats were fed normal diet (ND), ethanol diet (ED) (36% of total energy from ethanol), or 0.5% C. lanceolata root extract-supplemented ethanol diet (ED+C) for 8 weeks. C. lanceolata root water extract supplemented to rats with chronic alcohol consumption ameliorated the ethanol-induced accumulations of hepatic cholesterol and triglyceride. Chronic alcohol consumption up-regulated the hepatic expression of genes involved in inflammation, fatty acid synthesis, and cholesterol metabolism, including tumor necrosis factor α (TNFα), liver X receptor α (LXRα), sterol regulatory element-binding protein (SREBP)-1c, fatty acid synthase, acetyl-coenzyme A carboxylase α (ACC), stearoyl-coenzyme A desaturase 1, 3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGR), and low-density lipoprotein receptor (LDLR). The ethanol-induced up-regulations of TNFα, LXRα, SREBP-1c, HMGR, and LDLR genes in the liver were reversed by feeding C. lanceolata root water extract for 8 weeks. Moreover, ethanol-induced decreases in the ratio of phospho-5′-AMP-activated protein kinase (AMPK) α/AMPKα and phospho-ACC/ACC protein levels in the liver were significantly restored (135% and 35% increases, respectively, P<.05) by supplementing them with C. lanceolata root water extract. In conclusion, C. lanceolata root water extract appears to be protective against alcoholic fatty liver through the regulation of SREBP-1c, LXRα, HMGR, and LDLR genes and by the phosphorylation of AMPKα and ACC, which are implicated in lipid metabolism.

Original languageEnglish
Pages (from-to)1293-1301
Number of pages9
JournalJournal of Medicinal Food
Volume12
Issue number6
DOIs
Publication statusPublished - 2009 Dec 1

Fingerprint

Codonopsis
Alcoholic Fatty Liver
Ethanol
Acetyl-CoA Carboxylase
Sterol Regulatory Element Binding Protein 1
LDL Receptors
Water
Diet
Oxidoreductases
AMP-Activated Protein Kinases
Liver
Coenzyme A
Alcohol Drinking
Tumor Necrosis Factor-alpha
Cholesterol
Fatty Acid Synthases
Fatty Liver
Dietary Supplements
Lipid Metabolism
Genes

All Science Journal Classification (ASJC) codes

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Cite this

Cho, Keunsook ; Kim, Seung Jin ; Park, Sung Hee ; Kim, Sojin ; Park, Taesun. / Protective effect of Codonopsis lanceolata root extract against alcoholic fatty liver in the rat. In: Journal of Medicinal Food. 2009 ; Vol. 12, No. 6. pp. 1293-1301.
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abstract = "Alcohol intake remains the most important cause of fatty liver throughout the world. The current study was undertaken to determine whether dietary supplementation with Codonopsis lanceolata root water extract attenuates the development of alcoholic fatty liver in rats and to elucidate the molecular mechanism for such an effect. Male Sprague-Dawley rats were fed normal diet (ND), ethanol diet (ED) (36{\%} of total energy from ethanol), or 0.5{\%} C. lanceolata root extract-supplemented ethanol diet (ED+C) for 8 weeks. C. lanceolata root water extract supplemented to rats with chronic alcohol consumption ameliorated the ethanol-induced accumulations of hepatic cholesterol and triglyceride. Chronic alcohol consumption up-regulated the hepatic expression of genes involved in inflammation, fatty acid synthesis, and cholesterol metabolism, including tumor necrosis factor α (TNFα), liver X receptor α (LXRα), sterol regulatory element-binding protein (SREBP)-1c, fatty acid synthase, acetyl-coenzyme A carboxylase α (ACC), stearoyl-coenzyme A desaturase 1, 3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGR), and low-density lipoprotein receptor (LDLR). The ethanol-induced up-regulations of TNFα, LXRα, SREBP-1c, HMGR, and LDLR genes in the liver were reversed by feeding C. lanceolata root water extract for 8 weeks. Moreover, ethanol-induced decreases in the ratio of phospho-5′-AMP-activated protein kinase (AMPK) α/AMPKα and phospho-ACC/ACC protein levels in the liver were significantly restored (135{\%} and 35{\%} increases, respectively, P<.05) by supplementing them with C. lanceolata root water extract. In conclusion, C. lanceolata root water extract appears to be protective against alcoholic fatty liver through the regulation of SREBP-1c, LXRα, HMGR, and LDLR genes and by the phosphorylation of AMPKα and ACC, which are implicated in lipid metabolism.",
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Protective effect of Codonopsis lanceolata root extract against alcoholic fatty liver in the rat. / Cho, Keunsook; Kim, Seung Jin; Park, Sung Hee; Kim, Sojin; Park, Taesun.

In: Journal of Medicinal Food, Vol. 12, No. 6, 01.12.2009, p. 1293-1301.

Research output: Contribution to journalArticle

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AB - Alcohol intake remains the most important cause of fatty liver throughout the world. The current study was undertaken to determine whether dietary supplementation with Codonopsis lanceolata root water extract attenuates the development of alcoholic fatty liver in rats and to elucidate the molecular mechanism for such an effect. Male Sprague-Dawley rats were fed normal diet (ND), ethanol diet (ED) (36% of total energy from ethanol), or 0.5% C. lanceolata root extract-supplemented ethanol diet (ED+C) for 8 weeks. C. lanceolata root water extract supplemented to rats with chronic alcohol consumption ameliorated the ethanol-induced accumulations of hepatic cholesterol and triglyceride. Chronic alcohol consumption up-regulated the hepatic expression of genes involved in inflammation, fatty acid synthesis, and cholesterol metabolism, including tumor necrosis factor α (TNFα), liver X receptor α (LXRα), sterol regulatory element-binding protein (SREBP)-1c, fatty acid synthase, acetyl-coenzyme A carboxylase α (ACC), stearoyl-coenzyme A desaturase 1, 3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGR), and low-density lipoprotein receptor (LDLR). The ethanol-induced up-regulations of TNFα, LXRα, SREBP-1c, HMGR, and LDLR genes in the liver were reversed by feeding C. lanceolata root water extract for 8 weeks. Moreover, ethanol-induced decreases in the ratio of phospho-5′-AMP-activated protein kinase (AMPK) α/AMPKα and phospho-ACC/ACC protein levels in the liver were significantly restored (135% and 35% increases, respectively, P<.05) by supplementing them with C. lanceolata root water extract. In conclusion, C. lanceolata root water extract appears to be protective against alcoholic fatty liver through the regulation of SREBP-1c, LXRα, HMGR, and LDLR genes and by the phosphorylation of AMPKα and ACC, which are implicated in lipid metabolism.

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