Bile acid receptors link nutrient sensing to metabolic regulation

查看全文 作　　者：Jibiao [1]Li;Tiangang [1]Li

机构地区：[1]Department of Pharmacology,Toxicology and Therapeutics,University of Kansas Medical Center,3901 Rainbow Blvd,Kansas City,KS,USA

出　　处：《Liver Research》索引2017年第1卷第1期,共9页

基　　金：This work was supported in part by an American Diabetes Association Junior Faculty Award 7-12-JF-35;National Institutes of Health grants 1R01DK102487-01 and P20GM103549&P30GM118247. 摘　　要：Non-alcoholic fatty liver disease(NAFLD)is a common liver disease in Western populations.Nonalcoholic steatohepatitis(NASH)is a more debilitating form of NAFLD characterized by hepatocellular injury and inflammation,which significantly increase the risk of end-stage liver and cardiovascular diseases.Unfortunately,there are no available drug therapies for NASH.Bile acids are physiological detergent molecules that are synthesized from cholesterol exclusively in the hepatocytes.Bile acids circulate between the liver and intestine,where they are required for cholesterol solubilization in the bile and dietary fat emulsification in the gut.Bile acids also act as signaling molecules that regulate metabolic homeostasis and inflammatory processes.Many of these effects are mediated by the bile acid-activated nuclear receptor farnesoid X receptor(FXR)and the G protein-coupled receptor TGR5.Nutrient signaling regulates hepatic bile acid synthesis and circulating plasma bile acid concentrations,which in turn control metabolic homeostasis.The FXR agonist obeticholic acid has had beneficial effects on NASH in recent clinical trials.Preclinical studies have suggested that the TGR5 agonist and the FXR/TGR5 dual agonist are also potential therapies for metabolic liver diseases.Extensive studies in the past few decades have significantly improved our understanding of the metabolic regulatory function of bile acids,which has provided the molecular basis for developing promising bile acid-based therapeutic agents for NASH treatment. 关键词：Nuclear receptor TGR5 Metabolic syndromes Fatty liver disease

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Bile acid receptors link nutrient sensing to metabolic regulation

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