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Antioxidants and Cardiovascular Disease

  • Book
  • © 2000

Overview

Part of the book series: Developments in Cardiovascular Medicine (DICM, volume 233)

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Table of contents (15 chapters)

Keywords

About this book

Generation of oxidants or reactive oxygen species is a natural process of human biology. Mitochondrial respiration, phagocytic activity and cyclooxygenase activation are all essential processes of life, which also generate oxidative species. In humans, chronic oxidative stress often coupled with deficiency of antioxidant defenses is associated with the aging process and can lead to the development of disorders such as cancer and arterial disease. Major cardiovascular conditions in which oxidative damage has been strongly implicated include atherosclerosis, myocardial ischemia and reperfusion, coronary restenosis and congestive heart failure. Compelling evidence points to oxidative stress as an important trigger in the complex chain of events leading to atherosclerosis. The expression of chemotactic factors and adhesion molecules is modified by oxidative stress. Exposure to superoxide ions activates the NF-kappa B regulatory complex and triggers the transcription of several atherosclerosis­ related genes. These events lead to the accumulation of macrophages in the arterial wall. Macrophages avidly incorporate oxidized low-density lipoproteins (LDL) to form foam cells. The activity of matrix metalloproteinases is also regulated by oxidative stress. This activity appears to be closely coupled with smooth muscle cell activation and migration. Matrix metalloproteinases have also been implicated in the pathophysiology of plaque rupture. Antioxidant supplementation including vitamin E decreases susceptibility ofLDL to oxidation and retards the progression of atherosclerosis in animal models.

Editors and Affiliations

  • Montreal Heart Institute, Research Center and Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Canada

    Jean-Claude Tardif, Martial G. Bourassa

Bibliographic Information

  • Book Title: Antioxidants and Cardiovascular Disease

  • Editors: Jean-Claude Tardif, Martial G. Bourassa

  • Series Title: Developments in Cardiovascular Medicine

  • DOI: https://doi.org/10.1007/978-94-011-4375-2

  • Publisher: Springer Dordrecht

  • eBook Packages: Springer Book Archive

  • Copyright Information: Springer Science+Business Media Dordrecht 2000

  • Softcover ISBN: 978-94-010-5881-0Published: 14 October 2012

  • eBook ISBN: 978-94-011-4375-2Published: 06 December 2012

  • Series ISSN: 0166-9842

  • Edition Number: 1

  • Number of Pages: XII, 258

  • Topics: Cardiology, Biochemistry, general, Nutrition, Epidemiology

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