Western diet-induced hepatic steatosis and alterations in the liver transcriptome in adult Brown-Norway rats

The purpose of this study was to investigate the effects of sub-chronic high fat, high sucrose diet (also termed 'Westernized diet' or WD) feeding on the liver transcriptome during early nonalcoholic fatty liver disease (NAFLD) development. Brown Norway male rats (9 months of age) were ran...

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Veröffentlicht in:BMC gastroenterology 2015-10, Vol.15 (153), p.151-151, Article 151
Hauptverfasser: Roberts, Michael D, Mobley, C Brooks, Toedebush, Ryan G, Heese, Alexander J, Zhu, Conan, Krieger, Anna E, Cruthirds, Clayton L, Lockwood, Christopher M, Hofheins, John C, Wiedmeyer, Charles E, Leidy, Heather J, Booth, Frank W, Rector, R Scott
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Sprache:eng
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Zusammenfassung:The purpose of this study was to investigate the effects of sub-chronic high fat, high sucrose diet (also termed 'Westernized diet' or WD) feeding on the liver transcriptome during early nonalcoholic fatty liver disease (NAFLD) development. Brown Norway male rats (9 months of age) were randomly assigned to receive ad libitum access to a control (CTL; 14 % kcal fat, 1.2 % sucrose by weight) diet or WD (42 % kcal from fat, 34 % sucrose by weight) for 6 weeks. Six weeks of WD feeding caused hepatic steatosis development as evidenced by the 2.25-fold increase in liver triacylglycerol content, but did not induce advanced liver disease (i.e., no overt inflammation or fibrosis) in adult Brown Norway rats. RNA deep sequencing (RNA-seq) revealed that 94 transcripts were altered in liver by WD feeding (46 up-, 48 down-regulated, FDR 
ISSN:1471-230X
1471-230X
DOI:10.1186/s12876-015-0382-3