Oxidative Stress in Exercise, animal models and effort intensity
Autor(a) principal: | |
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Data de Publicação: | 2007 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Motriz (Online) |
Texto Completo: | https://www.periodicos.rc.biblioteca.unesp.br/index.php/motriz/article/view/423 |
Resumo: | Reactive oxygen species (ROS) are formed during the normal metabolism, and continually cause cell damage. The main antioxidant defense system is constituted by antioxidant enzymes as superoxide dismutase, catalase and glutathione peroxidase. Physical exercise is a condition that influences the balance between oxidative attack and antioxidant defense mechanisms. To protect the tissues against possible damages caused by ROS, the antioxidant enzymes seem to adapt, increasing their activities in trained individuals. Many studies involving oxidative stress and exercises have been conducted in animal models, especially the rat. However, most of these studies are criticized, because few associate the metabolic variables to the intensity of the effort experienced by the animal during the exercise. |
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Oxidative Stress in Exercise, animal models and effort intensityEstresse oxidativo no exercício, modelos animais e intensidade do esforçoEstresse Oxidativo. Exercício Físico. Enzimas Antioxidantes.Reactive oxygen species (ROS) are formed during the normal metabolism, and continually cause cell damage. The main antioxidant defense system is constituted by antioxidant enzymes as superoxide dismutase, catalase and glutathione peroxidase. Physical exercise is a condition that influences the balance between oxidative attack and antioxidant defense mechanisms. To protect the tissues against possible damages caused by ROS, the antioxidant enzymes seem to adapt, increasing their activities in trained individuals. Many studies involving oxidative stress and exercises have been conducted in animal models, especially the rat. However, most of these studies are criticized, because few associate the metabolic variables to the intensity of the effort experienced by the animal during the exercise.Espécies reativas de oxigênio (EROS) são formadas durante o metabolismo normal e, continuamente, causam danos celulares. O principal sistema de defesa antioxidante é constituído por enzimas antioxidantes como superoxido dismutase, catalase e glutationa peroxidase. O exercício físico é uma condição que exerce influência sobre o balanço entre ataque oxidativo e mecanismo de defesa antioxidante. Para proteger os tecidos contra possíveis danos causados pelos EROS, as enzimas antioxidantes parecem responder de maneira adaptativa, elevando suas atividades em indivíduos treinados. Muitos estudos envolvendo estresse oxidativo e exercícios têm sido conduzidos em modelos animais, especialmente o rato. Contudo, esses estudos são passíveis erros, pois poucos associam as variáveis metabólicas com a intensidade do esforço nesses animais.Universidade Estadual Paulista - Câmpus de Rio Claro2007-07-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.periodicos.rc.biblioteca.unesp.br/index.php/motriz/article/view/42310.5016/423Motriz. Journal of Physical Education. UNESP; V. 12, N. 3 (2006); 307-312Motriz Revista de Educação Física; V. 12, N. 3 (2006); 307-3121980-6574reponame:Motriz (Online)instname:Universidade Estadual Paulista (UNESP)instacron:UNESPporhttps://www.periodicos.rc.biblioteca.unesp.br/index.php/motriz/article/view/423/358Araújo, Michel Barbosa dePrada, Francisco José AndreottiMello, Maria Alice Rostom deinfo:eu-repo/semantics/openAccess2013-04-19T17:37:08Zoai:periodicos.rc.biblioteca.unesp.br:article/423Revistahttp://www.periodicos.rc.biblioteca.unesp.br/index.php/motrizPUBhttps://old.scielo.br/oai/scielo-oai.phpmotriz@rc.unesp.br||mauerber@rc.unesp.br||azanesco@rc.unesp.br1980-65741415-9805opendoar:2013-04-19T17:37:08Motriz (Online) - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Oxidative Stress in Exercise, animal models and effort intensity Estresse oxidativo no exercício, modelos animais e intensidade do esforço |
title |
Oxidative Stress in Exercise, animal models and effort intensity |
spellingShingle |
Oxidative Stress in Exercise, animal models and effort intensity Araújo, Michel Barbosa de Estresse Oxidativo. Exercício Físico. Enzimas Antioxidantes. |
title_short |
Oxidative Stress in Exercise, animal models and effort intensity |
title_full |
Oxidative Stress in Exercise, animal models and effort intensity |
title_fullStr |
Oxidative Stress in Exercise, animal models and effort intensity |
title_full_unstemmed |
Oxidative Stress in Exercise, animal models and effort intensity |
title_sort |
Oxidative Stress in Exercise, animal models and effort intensity |
author |
Araújo, Michel Barbosa de |
author_facet |
Araújo, Michel Barbosa de Prada, Francisco José Andreotti Mello, Maria Alice Rostom de |
author_role |
author |
author2 |
Prada, Francisco José Andreotti Mello, Maria Alice Rostom de |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Araújo, Michel Barbosa de Prada, Francisco José Andreotti Mello, Maria Alice Rostom de |
dc.subject.por.fl_str_mv |
Estresse Oxidativo. Exercício Físico. Enzimas Antioxidantes. |
topic |
Estresse Oxidativo. Exercício Físico. Enzimas Antioxidantes. |
description |
Reactive oxygen species (ROS) are formed during the normal metabolism, and continually cause cell damage. The main antioxidant defense system is constituted by antioxidant enzymes as superoxide dismutase, catalase and glutathione peroxidase. Physical exercise is a condition that influences the balance between oxidative attack and antioxidant defense mechanisms. To protect the tissues against possible damages caused by ROS, the antioxidant enzymes seem to adapt, increasing their activities in trained individuals. Many studies involving oxidative stress and exercises have been conducted in animal models, especially the rat. However, most of these studies are criticized, because few associate the metabolic variables to the intensity of the effort experienced by the animal during the exercise. |
publishDate |
2007 |
dc.date.none.fl_str_mv |
2007-07-05 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://www.periodicos.rc.biblioteca.unesp.br/index.php/motriz/article/view/423 10.5016/423 |
url |
https://www.periodicos.rc.biblioteca.unesp.br/index.php/motriz/article/view/423 |
identifier_str_mv |
10.5016/423 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://www.periodicos.rc.biblioteca.unesp.br/index.php/motriz/article/view/423/358 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Estadual Paulista - Câmpus de Rio Claro |
publisher.none.fl_str_mv |
Universidade Estadual Paulista - Câmpus de Rio Claro |
dc.source.none.fl_str_mv |
Motriz. Journal of Physical Education. UNESP; V. 12, N. 3 (2006); 307-312 Motriz Revista de Educação Física; V. 12, N. 3 (2006); 307-312 1980-6574 reponame:Motriz (Online) instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Motriz (Online) |
collection |
Motriz (Online) |
repository.name.fl_str_mv |
Motriz (Online) - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
motriz@rc.unesp.br||mauerber@rc.unesp.br||azanesco@rc.unesp.br |
_version_ |
1800215768501059584 |