1. bookVolume 22 (2015): Issue 1 (March 2015)
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The Role of Endothelial Dysfunction in the Pathogenesis of Vascular Complications of Diabetes Mellitus - A High Priority Area of Investigation

Published Online: 25 Mar 2015
Page range: 61 - 66
Received: 10 Oct 2014
Accepted: 11 Dec 2014
Journal Details
License
Format
Journal
First Published
01 May 2012
Publication timeframe
4 times per year
Languages
English
Copyright
© 2020 Sciendo

Endothelium, the inner layer of the vasculature, represents the interface between blood and organ systems and it is active in the process of contraction and relaxation of vascular smooth muscle and in functions like secretion of vasoactive substances. Endothelial dysfunction is an important cause of cardiovascular disease. The function of the endothelium can be assessed by invasive and noninvasive methods. Endothelial cells produce vasoactive substances like endothelium derived relaxing factor, prostacyclin, nitric oxide, and endothelium derived hyperpolarizing factor. Diabetes mellitus is associated with an increased risk of cardiovascular diseases. Hyperglycemia leads to cardiovascular damage through different pathways, including the polyol and hexosamine pathways, generation of advanced glycation end products, and activation of protein kinase C. Together with hyperglycemia induced mitochondrial dysfunction and endoplasmic reticulum stress, all these can promote the accumulation of reactive oxygen species. The oxidative stress induced by hyperglycemia promotes endothelial dysfunction with an important role in micro and macro vascular disease. Insulin-resistance could be independently predictive of cardiovascular disease. Life style modification and pharmacotherapy could possibly ameliorate the effect of insulin resistance

Keywords

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