Using Mice to Dissect Genetic Factors in Atherosclerosis

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Abstract
The genes that contribute to common, complex forms of atherosclerosis remain largely unknown. Genetic studies in humans have, for the most part, focused on identifying genes that predispose to the traditional risk factors, such as lipid levels and blood pressure, but apart from rare, single-gene disorders, there have been few successes to date. The use of mice to dissect the complex genetic etiology of atherosclerosis offers a viable alternative to human studies, because experimental parameters, such as environment, breeding scheme, and detailed phenotyping, can be controlled. Herein we review how mouse genetics can lead to the identification of genes, some of which would otherwise not have been considered as candidates for atherosclerosis, and provide an overview of the prospects for successful gene discovery in the future.