Journal
FEBS LETTERS
Volume 582, Issue 1, Pages 68-73Publisher
WILEY
DOI: 10.1016/j.febslet.2007.07.084
Keywords
ChREBP; LXR; hepatic steatosis; insulin resistance; oblob mice
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Non-alcoholic fatty liver disease is tightly associated with insulin resistance, type 2 diabetes and obesity, but the molecular links between hepatic fat accumulation and insulin resistance are not fully identified. Excessive accumulation of triglycerides (TG) is one the main characteristics of non-alcoholic fatty liver disease and fatty acids utilized for the synthesis of TG in liver are available from the plasma non-esterified fatty acid pool but also from fatty acids newly synthesized through hepatic de novo lipogenesis. Recently, the transcription factor ChREBP (carbohydrate responsive element binding protein) has emerged as a central determinant of lipid synthesis in liver through its transcriptional control of key genes of the lipogenic pathway, including fatty acid synthase and acetyl CoA carboxylase. In this mini-reiview, we will focus on the importance of ChREBP in the physiopathology of hepatic steatosis and insulin resistance by discussing the physiological and metabolic consequences of ChREBP knockdown in liver of oblob mice. (C) 2007 Published by Elsevier B.V. on behalf of the Federation of European Biochemical Societies.
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