A critical analysis of the role of cholesterol in atherogenesis.
Serum hypercholesterolemia is theorized to accelerate atherogenesis by augmenting cholesterol accumulation (insudation) in the arterial intima. The author views this theory as an example of what the noted philosopher of science Imre Lakatos called 'degenerative science', because data have forced several modifications of the theory. Although the theory that some fraction of intimal cholesterol causes atherosclerosis is not yet disproved, the author favors the hypothesis that serum hypercholesterolemia accelerates atherogenesis and contributes to symptomatic atherosclerosis by increasing blood viscosity and the mechanical fragility of atherosclerotic plaques, making them vulnerable to rupture and thrombosis.
Department of Pathology, Louisiana State University School of Medicine in New Orleans, 70122-1393, USA. gsloop@lsumc.edu
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D000375:Aging / Q000502:physiology; D001161:Arteriosclerosis / Q000209:etiology / Q000503:physiopathology*; D001809:Blood Viscosity; D002784:Cholesterol / Q000502:physiology*; D006439:Hemodynamics; D006801:Humans; D006937:Hypercholesterolemia / Q000150:complications / Q000503:physiopathology*; D012307:Risk Factors
D002784:Cholesterol