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23 results on '"Koo, Yun-Chang"'

23. Antilipogenic and anti-inflammatory activities of Codonopsis lanceolata in mice hepatic tissues after chronic ethanol feeding.

Author

Cha A, Choi Y, Jin Y, Sung MK, Koo YC, Lee KW, and Park T

Subjects
Adenosine genetics, Adenosine metabolism, Animals, Cholesterol metabolism, Disease Models, Animal, Ethanol toxicity, Gene Expression Regulation drug effects, Liver drug effects, Male, Mice, Mice, Inbred C57BL, Mice, Knockout, Receptors, Adiponectin genetics, Receptors, Adiponectin metabolism, Signal Transduction drug effects, Toll-Like Receptors genetics, Toll-Like Receptors metabolism, Triglycerides metabolism, Anti-Inflammatory Agents, Non-Steroidal administration & dosage, Codonopsis chemistry, Fatty Liver, Alcoholic prevention & control, Lipid Regulating Agents administration & dosage, Plant Extracts administration & dosage
Abstract

This study evaluated the antilipogenic and anti-inflammatory effects of Codonopsis lanceolata (C. lanceolata) root extract in mice with alcohol-induced fatty liver and elucidated its underlying molecular mechanisms. Ethanol was introduced into the liquid diet by mixing it with distilled water at 5% (wt/v), providing 36% of the energy, for nine weeks. Among the three different fractions prepared from the C. lanceolata root, the C. lanceolata methanol extract (CME) exhibited the most remarkable attenuation of alcohol-induced fatty liver with respect to various parameters such as hepatic free fatty acid concentration, body weight loss, and hepatic accumulations of triglyceride and cholesterol. The hepatic gene and protein expression levels were analysed via RT-PCR and Western blotting, respectively. CME feeding significantly restored the ethanol-induced downregulation of the adiponectin receptor (adipoR) 1 and of adipoR2, along with their downstream molecules. Furthermore, the study data showed that CME feeding dramatically reversed ethanol-induced hepatic upregulation of toll-like receptor- (TLR-) mediated signaling cascade molecules. These results indicate that the beneficial effects of CME against alcoholic fatty livers of mice appear to be with adenosine- and adiponectin-mediated regulation of hepatic steatosis and TLR-mediated modulation of hepatic proinflammatory responses.

Published
2012
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