alexa Role for Nox1 NADPH oxidase in atherosclerosis.
Genetics & Molecular Biology

Genetics & Molecular Biology

Journal of Molecular and Genetic Medicine

Author(s): Sheehan AL, Carrell S, Johnson B, Stanic B, Banfi B,

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Abstract OBJECTIVE: Examine the contribution of Nox1 NADPH oxidase to atherogenesis. METHODS AND RESULTS: Male apolipoprotein E deficient mice (ApoE(-/-)) and male mice deficient in both apolipoprotein E and Nox1 (ApoE(-/-) Nox1(-/y)) received an atherogenic diet for 18 weeks. Mean blood pressures, body weights, and serum cholesterol levels were similar between the two groups of mice. Deficiency of Nox1 decreased superoxide levels and reduced lesion area in the aortic arch from 43\% (ApoE(-/-)) to 28\% (ApoE(-/-) Nox1(-/y)). The reduction in lesion size at the level of the aortic valve in ApoE(-/-)/Nox1(-/y) was accompanied by a decrease in macrophage infiltration as compared to ApoE(-/-) mice. Carotid artery ligation in ApoE(-/-) mice induced accelerated intimal hyperplasia with decreased cellular proliferation and increased collagen content in the neointima of vessels deficient in Nox1. CONCLUSIONS: Nox1-derived ROS modify lesion composition and contribute to lesion size in a murine model of atherosclerosis. Published by Elsevier Ireland Ltd.
This article was published in Atherosclerosis and referenced in Journal of Molecular and Genetic Medicine

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