Intrahepatic cholesterol influences progression, inhibition and reversal of non-alcoholic steatohepatitis in hyperlipidemic mice.

Kristiaan Wouters, M. van Bilsen, P.J. van Gorp, V. Bieghs, D. Lutjohann, A. Kerksiek, B. Staels, M.H. Hofker, R. Sverdlov

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Abstract

Hepatic inflammation is the key factor in non-alcoholic steatohepatitis (NASH) and promotes progression to liver damage. We recently identified dietary cholesterol as the cause of hepatic inflammation in hyperlipidemic mice. We now show that hepatic transcriptome responses are strongly dependent on cholesterol metabolism during diet-induced NASH and its inhibition by fenofibrate. Furthermore, we show that, despite doubling hepatic steatosis, pharmacological LXR activation reverses hepatic inflammation, in parallel with reversing hepatic cholesterol levels. Together, the results indicate a prominent role of cholesterol during the development, inhibition and reversal of hepatic inflammation in NASH and reveal potential new therapeutic strategies against NASH.
Original languageEnglish
Pages (from-to)1001-1005
JournalFebs Letters
Volume584
Issue number5
DOIs
Publication statusPublished - 29 Jan 2010

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