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Oxidative stress in cardiovascular disease: myth or fact?

Abstract：

:Oxidative stress is a mechanism with a central role in the pathogenesis of atherosclerosis, cancer, and other chronic diseases. It also plays a major role in the aging process. Ischemic heart disease is perhaps the human condition in which the role of oxidative stress has been investigated in more detail: reactive oxygen species and consequent expression of oxidative damage have been demonstrated during post-ischemic reperfusion in humans and the protective role of antioxidants has been validated in several experimental studies addressing the pathophysiology of acute ischemia. Although an impressive bulk of experimental studies substantiate the role of oxidative stress in the progression of the damage induced by acute ischemia, not a single pathophysiologic achievement has had a significant impact on the treatment of patients and randomized, controlled clinical trials, both in primary and secondary prevention, have failed to prove the efficacy of antioxidants in the treatment of ischemic cardiovascular disease. This dichotomy, between the experimental data and the lack of impact in the clinical setting, needs to be deeply investigated: certainly, the pathophysiologic grounds of oxidative stress do maintain their validity but the concepts of the determinants of oxidative damage should be critically revised. In this regard, the role of intermediate metabolism during myocardial ischemia together with the cellular redox state might represent a promising interpretative key.

journal_name

Arch Biochem Biophys

journal_title

Archives of biochemistry and biophysics

authors

Ceconi C,Boraso A,Cargnoni A,Ferrari R

doi

10.1016/j.abb.2003.06.002

subject

Has Abstract

pub_date

2003-12-15 00:00:00

pages

217-21

issue

2

eissn

0003-9861

issn

1096-0384

pii

S0003986103003965

journal_volume

420

pub_type

杂志文章,评审

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