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Am J Physiol Endocrinol Metab. 2012 Mar 1;302(5):E532-9. doi: 10.1152/ajpendo.00258.2011. Epub 2011 Dec 20.

Cytochrome P-450 CYP2E1 knockout mice are protected against high-fat diet-induced obesity and insulin resistance.

Author information

1
Dept. of Medicine, Albert Einstein College of Medicine, Bronx, NY 10461, USA.

Abstract

Conventional (whole body) CYP2E1 knockout mice displayed protection against high-fat diet-induced weight gain, obesity, and hyperlipidemia with increased energy expenditure despite normal food intake and spontaneous locomotor activity. In addition, the CYP2E1 knockout mice displayed a marked improvement in glucose tolerance on both normal chow and high-fat diets. Euglycemic-hyperinsulinemic clamps demonstrated a marked protection against high-fat diet-induced insulin resistance in CYP2E1 knockout mice, with enhanced adipose tissue glucose uptake and insulin suppression of hepatic glucose output. In parallel, adipose tissue was protected against high-fat diet-induced proinflammatory cytokine production. Taken together, these data demonstrate that the CYP2E1 deletion protects mice against high-fat diet-induced insulin resistance with improved glucose homeostasis in vivo.

PMID:
22185839
PMCID:
PMC3311288
DOI:
10.1152/ajpendo.00258.2011
[Indexed for MEDLINE]
Free PMC Article

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