Selenoenzyme-gluthathione [i.e. glutathione] peroxidase (GSH-Px)
2005
Joksimovic-Todorovic, M., Faculty of Agriculture, Belgrade - Zemun (Serbia) | Davidovic, V., Faculty of Agriculture, Belgrade - Zemun (Serbia)
Selenium is a natural antioxidant but it has an important role in various physiological processes in organism. It enables the functioning of immune system and prevents development of malignant diseases. Some diseases of farm animals reduced productive and reproductive abilities are the effects of selenium deficiency. Biological role of selenium is manifested by the enzyme of glutathione peroxidase (GSH-Px), which contains selenium in its nexus. Recently the researchers have identified four forms of this enzyme called the family of enzymes. They are present in almost all cellulars, but their distribution in tissues is varied. Some factors influence the activities of enzymes in differemt organs. Seasonal and cyclic changes can also influence enzyme activities. Endocrine system is the one that controls its activity and recently some researchers have also suggested a genetic regulation.
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