Liver microRNA-21 is overexpressed in non-alcoholic steatohepatitis and contributes to the disease in experimental models by inhibiting PPARα expression.

This original study demonstrated that microRNA-21 is overexpressed in the liver of patients with NASH, but not in those with bland steatosis. Liver microRNA-21 in NASH is primarily expressed in inflammatory and biliary cells. Using different mouse models of NASH, authors demonstrated that microRNA-21 contributes to key features of NASH, i.e. cell injury...
PUBLISHED IN: Gut. 2016 Nov;65(11):1882-1894.

Authors : Loyer X, Paradis V, Hénique C, Vion AC, Colnot N, Guerin CL, Devue C, On S, Scetbun J, Romain M, Paul JL, Rothenberg ME, Marcellin P, Durand F, Bedossa P, Prip-Buus C, Baugé E, Staels B, Boulanger CM, Tedgui A, Rautou PE.

Commentary

This original study demonstrated that microRNA-21 is overexpressed in the liver of patients with NASH, but not in those with bland steatosis. Liver microRNA-21 in NASH is primarily expressed in inflammatory and biliary cells. Using different mouse models of NASH, authors demonstrated that microRNA-21 contributes to key features of NASH, i.e. cell injury, inflammation and fibrosis, through PPARα inhibition.

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Dr. D. Beard

Dr. D. Beard

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