2003
DOI: 10.1007/s00059-003-2417-8
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Oxidative Stress, Antioxidant Vitamins, and Atherosclerosis

Abstract: Oxidative stress is involved in the pathogenesis of atherosclerosis, while a variety of antioxidants has been used in clinical studies, during the past few years, for the prevention and treatment of atherosclerosis. In small clinical studies it was found that both vitamins C and E may improve endothelial function in patients with risk factors for atherosclerosis such as diabetes mellitus, smoking, hypertension, or hypercholesterolemia. However, the initial, hopeful reports regarding the beneficial role of anti… Show more

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Cited by 95 publications
(84 citation statements)
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“…These actions are altered when there is a decrease in the synthesis of NO 4,10 . Thus, the NO is one of the most important endotheliumderived factors 7,13 . NO is synthesized from L-arginine by the nitric oxide synthase (NOS) enzyme.…”
Section: Ghisi Et Al Physical Exercise and Endothelial Dysfunctionmentioning
confidence: 99%
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“…These actions are altered when there is a decrease in the synthesis of NO 4,10 . Thus, the NO is one of the most important endotheliumderived factors 7,13 . NO is synthesized from L-arginine by the nitric oxide synthase (NOS) enzyme.…”
Section: Ghisi Et Al Physical Exercise and Endothelial Dysfunctionmentioning
confidence: 99%
“…This damage -endothelial activation -alters the vasodilating response, reducing the antithrombotic activity, causing structural alterations and, obviously, causing vascular damages [12][13][14]24 .…”
Section: Endothelial Dysfunctionmentioning
confidence: 99%
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“…Como conseqüência deste ataque oxidativo são diminuídas as reservas endó-genas de antioxidantes não enzimáticos, alterando a estrutura de lipídios e proteínas celulares, provocando alterações na função de enzimas, no transporte e na sinalização celular, assim como alterações e mutações no material genético. Todo esse conjunto de alterações nos sistemas antioxidantes da célula e o excesso de ROS são gerados tanto pelo envelhecimento das células como também estão presentes entre os mecanismos etiopatogênicos de mais de cem patologias crônicas freqüentes em pessoas idosas, tais como enfermidades cardiovasculares, mal de Parkinson, de Alzheimer, esclerose amiotrófica e o câncer (7,8) . Enquanto o sedentarismo e a inatividade física podem conduzir a situações de enfermidade, a prática regular de exercício físico é uma das estratégias mais eficazes na prevenção de enfermidades cardiovasculares e um fator importante na prevenção de patologias crônicas próprias do idoso.…”
Section: Introductionunclassified