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KMID : 0624620160490020105
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BMB Reports
2016 Volume.49 No. 2 p.105 ~ p.110
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Ursodeoxycholic acid decreases age-related adiposity and inflammation in mice
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Oh Ah-Reum
Bae Jin-Sik
Lee Jung-Hoon
Shin Eun-Ji
Oh Byung-Chul
Park Sang-Chul
Cha Ji-Young
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Abstract
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Ursodeoxycholic acid (UDCA), a natural, hydrophilic nontoxic bile acid, is clinically effective for treating cholestatic and chronic liver diseases. We investigated the chronic effects of UDCA on age-related lipid homeostasis and underlying molecular mechanisms. Twenty-week-old C57BL/6 male and female mice were fed a diet with or without 0.3% UDCA supplementation for 25 weeks. UDCA significantly reduced weight gain, adiposity, hepatic triglyceride, and hepatic cholesterol without incidental hepatic injury. UDCA-mediated hepatic triglyceride reduction was associated with downregulated hepatic expression of peroxisome proliferator-activated receptor-γ, and of other genes involved in lipogenesis (Chrebp, Acaca, Fasn, Scd1, and Me1) and fatty acid uptake (Ldlr, Cd36). The inflammatory cytokines Tnfa, Ccl2, and Il6 were significantly decreased in liver and/or white adipose tissues of UDCA-fed mice. These data suggest that UDCA exerts beneficial effects on age-related metabolic disorders by lowering the hepatic lipid accumulation, while concurrently reducing hepatocyte and adipocyte susceptibility to inflammatory stimuli.
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KEYWORD
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Anti-inflammatory, Bile acid, Lipogenesis, Peroxisome proliferator-activated receptor-γ, Ursodeoxycholic acid
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