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Int J Vasc Med. 2012;2012:569654. doi: 10.1155/2012/569654. Epub 2012 Feb 14.

Hyperglycemia and endothelial dysfunction in atherosclerosis: lessons from type 1 diabetes.

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Departments of Cell Biology and Anatomy and Pathology, LSU Health Sciences Center, Shreveport, LA 71130, USA.


A clear relationship between diabetes and cardiovascular disease has been established for decades. Despite this, the mechanisms by which diabetes contributes to plaque formation remain in question. Some of this confusion derives from studies in type 2 diabetics where multiple components of metabolic syndrome show proatherosclerotic effects independent of underlying diabetes. However, the hyperglycemia that defines the diabetic condition independently affects atherogenesis in cell culture systems, animal models, and human patients. Endothelial cell biology plays a central role in atherosclerotic plaque formation regulating vessel permeability, inflammation, and thrombosis. The current paper highlights the mechanisms by which hyperglycemia affects endothelial cell biology to promote plaque formation.

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