نتایج جستجو برای: antioxidant defense system
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Once the cells are challenged by intraand extracellular environmental stimuli such as nitric oxide, calcium and pathogenic organisms, the oxidative balance between reactive oxygen species (ROS) (such as O 2 , H 2 O 2 , OH·) production and antioxidant defense systems (such as glutathione reductase and catalase) is broken, resulting in accumulation of ROS within cells. ROS is linked with various ...
The erythrocytes represent an important source of antioxidant capacity of the blood. Catalase (EC 1.11.1.6.) is one of the enzymatic components of their antioxidant defense system. The objective of this study was to follow erythrocyte catalase (CAT) in 7-, 15-, 21-, 35-, 60- and 90-day-old Wistar rats of both sexes in normoxia and after exposure to intensive acute hypobaric hypoxia. During the ...
An increase in peroxidation activity is considered as a nonspecific process characteristic of the pathogenesis various diseases accompanied by antioxidant deficiency. As bioregulators that can defense, antioxidants are important links multi-stage system regulation and coordination body functions. The structure function enzymes involved oxidative stress be significantly affected genetic polymorp...
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