A COMPARATIVE STUDY OF REACTIVE OXYGEN SPECIES (ROS) RELATED PARAMETERS IN RAT TISSUES
Journal Title: Indian Journal of Clinical Biochemistry - Year 2006, Vol 21, Issue 1
Abstract
Reactive oxygen species (ROS) are believed to be responsible for pathogenesis of various diseases affecting tissues and systems. ROS generated by mitochondrial electron transport chain as well as extra-mitochondrially are eliminated by the respective defense mechanisms. We checked the activity of ROS generating system such as xanthine oxidase and also the parameter of ROS defense mechanism e.g. superoxide dismutase(SOD), catalase, glutathione peroxidase (GPox), reduced glutathione content (GSH) and glucose-6-phosphate dehydrogenase (G6PDH) in mitochondrial and post-mitochondrial fractions from various tissues (liver, kidney, brain and heart) of normal rats. Extent of lipid peroxidation (LPO) which is immediate consequence of ROS generation was also examined. Our results shows that significant tissue-specific differences exist in mitochondrial and cytosolic ROS generating systems and ROS defense mechanisms.
Authors and Affiliations
Samir P. Patel and Surendra S. Katyare
Keywords
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