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KMID : 1036720160490060420
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Journal of Nutrition and Health
2016 Volume.49 No. 6 p.420 ~ p.428
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Protective effects of Cirsium setidens ethanolic extracts against alcoholic fatty liver injury in rats
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Kim Eun-Hye
Chung Ja-Yong
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Abstract
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Purpose: In this study, we investigated the effects of Cirsium setidens ethanolic extract (CS) on the development of
alcoholic fatty liver and associated injury.
Methods: Sprague-Dawley male rats were fed either Lieber-DeCarli control (C) or ethanol (35.5% of total calories) liquid diet with 0 (E), 100 mg/kgBW CS (E+LCS), or 500 mg/kgBW CS (E+HCS) for 8 weeks. Serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) activities as well as TG and cholesterol concentrations in the serum and liver tissues were measured by colorimetric assays. Liver histopathology was examined by Hematoxylin-eosin staining of the fixed liver tissues. Protein levels of phosphorylated-AMP activated protein kinase (pAMPK), phosphorylated-acetyl CoA carboxylase (p-ACC), phosphorylated-nuclear factor kappa B (p-NFκB), and TNFα were measured by Western blot analyses.
Results: Both doses of CS markedly suppressed alcohol-induced lipid droplets accumulation in the liver tissues and significantly inhibited alcohol-induced increases in activities of serum ALT and serum AST. Similarly, CS significantly reduced hepatic and serum TG concentrations. Compared to groups fed alcohol only, CS supplementation strongly increased hepatic levels of p-AMPK and p-ACC. Further, CS significantly inhibited alcoholinduced phosphorylation of NFκB, which was associated with reduced hepatic protein levels of TNFα.
Conclusion: Our data demonstrated that CS has a protective effect against alcoholic liver injury, which was associated with activation of AMPK and inhibition of NFκB.
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KEYWORD
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alcoholic liver disease, Cirsium setidens, AMP-activated protein kinase, nuclear factor kappa B
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