Antioxidants and the Integrity of Ocular Tissues

Oxygen-derived free radicals are normally generated in many pathways. These radicals can interact with various cellular components and induce cell injury. When free radicals exceed the antioxidant capacity, cell injury causes diverse pathologic changes in the organs. The imbalance between the genera...

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Main Authors: Marcela P. Cabrera, Ricardo H. Chihuailaf
Format: Article
Language:English
Published: Wiley 2011-01-01
Series:Veterinary Medicine International
Online Access:http://dx.doi.org/10.4061/2011/905153
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author Marcela P. Cabrera
Ricardo H. Chihuailaf
author_facet Marcela P. Cabrera
Ricardo H. Chihuailaf
author_sort Marcela P. Cabrera
collection DOAJ
description Oxygen-derived free radicals are normally generated in many pathways. These radicals can interact with various cellular components and induce cell injury. When free radicals exceed the antioxidant capacity, cell injury causes diverse pathologic changes in the organs. The imbalance between the generation of free radicals and antioxidant defence is known as oxidative stress. The eye can suffer the effect of oxidative damage due to the etiopathogenesis of some pathological changes related to oxidative stress. This paper reviews the role of oxidative stress in the onset and progression of damage in different eye structures, the involvement of the antioxidant network in protecting and maintaining the homeostasis of this organ, and the potential assessment methodologies used in research and in some cases in clinical practice.
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series Veterinary Medicine International
spelling doaj-art-c4012b48868841d88d2e63d156c32cde2025-02-03T01:09:34ZengWileyVeterinary Medicine International2042-00482011-01-01201110.4061/2011/905153905153Antioxidants and the Integrity of Ocular TissuesMarcela P. Cabrera0Ricardo H. Chihuailaf1Escuela de Graduados, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, P.O. Box 567, 5110566 Valdivia, ChileInstituto de Ciencias Clínicas Veterinarias, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, P.O. Box 567, 5110566 Valdivia, ChileOxygen-derived free radicals are normally generated in many pathways. These radicals can interact with various cellular components and induce cell injury. When free radicals exceed the antioxidant capacity, cell injury causes diverse pathologic changes in the organs. The imbalance between the generation of free radicals and antioxidant defence is known as oxidative stress. The eye can suffer the effect of oxidative damage due to the etiopathogenesis of some pathological changes related to oxidative stress. This paper reviews the role of oxidative stress in the onset and progression of damage in different eye structures, the involvement of the antioxidant network in protecting and maintaining the homeostasis of this organ, and the potential assessment methodologies used in research and in some cases in clinical practice.http://dx.doi.org/10.4061/2011/905153
spellingShingle Marcela P. Cabrera
Ricardo H. Chihuailaf
Antioxidants and the Integrity of Ocular Tissues
Veterinary Medicine International
title Antioxidants and the Integrity of Ocular Tissues
title_full Antioxidants and the Integrity of Ocular Tissues
title_fullStr Antioxidants and the Integrity of Ocular Tissues
title_full_unstemmed Antioxidants and the Integrity of Ocular Tissues
title_short Antioxidants and the Integrity of Ocular Tissues
title_sort antioxidants and the integrity of ocular tissues
url http://dx.doi.org/10.4061/2011/905153
work_keys_str_mv AT marcelapcabrera antioxidantsandtheintegrityofoculartissues
AT ricardohchihuailaf antioxidantsandtheintegrityofoculartissues