Development of atherosclerosis in Balb/c apolipoprotein E-deficient mice

Cardiovascular Pathology : the Official Journal of the Society for Cardiovascular Pathology
Anjali DesaiJeffrey S Warren

Abstract

Since its creation in 1992 by gene inactivation via gene targeting, the apolipoprotein E "knockout" mouse has become the most widely used rodent model for the study of atherosclerosis. Commercially available apolipoprotein E(-/-) mice are bred on a C57BL/6J background. The goal of the present study was to investigate the development of atherosclerosis in apolipoprotein E-deficient mice generated on a Balb/c background. We compared serum cholesterol concentrations and the development of atherosclerotic lesions in heterozygous Balb/c [apolipoprotein E(+/-)] mice fed regular rodent chow, Balb/c apolipoprotein E-deficient mice fed regular chow, and Balb/c apolipoprotein E-deficient mice fed a high-fat diet for up to 30 weeks. Expression of the chemokine JE (murine homologue of MCP-1), as well as the adhesion molecules E-selectin, intercellular adhesion molecule-1, and vascular cell adhesion molecule-1, in the aortas of knockout mice fed a high-fat diet was measured by enzyme-linked immunosorbent assay. Balb/c apolipoprotein E-deficient mice develop atherosclerotic lesions in a reproducible temporal and morphological pattern. Total serum cholesterol concentrations in Balb/c apolipoprotein E-deficient mice fed regular chow or a high-...Continue Reading

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