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Title

Liver Cholesterol Overload Aggravates Obstructive Cholestasis by Inducing Oxidative Stress and Premature Death in Mice

AuthorsNuño-Lámbarri, Natalia; Baulies, Anna ; García-Ruiz, Carmen ; Fernández-Checa, José C. ; Gómez-Quiroz, Luís Enrique
Issue Date13-Jul-2016
PublisherHindawi Publishing Corporation
CitationOxidative Medicine and Cellular Longevity 2016: 9895176 (2016)
AbstractNonalcoholic steatohepatitis is one of the leading causes of liver disease. Dietary factors determine the clinical presentation of steatohepatitis and can influence the progression of related diseases. Cholesterol has emerged as a critical player in the disease and hence consumption of cholesterol-enriched diets can lead to a progressive form of the disease. The aim was to investigate the impact of liver cholesterol overload on the progression of the obstructive cholestasis in mice subjected to bile duct ligation surgery. Mice were fed with a high cholesterol diet for two days and then were subjected to surgery procedure; histological, biochemical, and molecular analyses were conducted to address the effect of cholesterol in liver damage. Mice under the diet were more susceptible to damage. Results show that cholesterol fed mice exhibited increased apoptosis and oxidative stress as well as reduction in cell proliferation. Mortality following surgery was higher in HC fed mice. Liver cholesterol impairs the repair of liver during obstructive cholestasis and aggravates the disease with early fatal consequences; these effects were strongly associated with oxidative stress.
Publisher version (URL)https://doi.org/10.1155/2016/9895176
URIhttp://hdl.handle.net/10261/148739
DOI10.1155/2016/9895176
Identifiersdoi: 10.1155/2016/9895176
issn: 1942-0994
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