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At the same time, the activity of antioxidant enzymes (SOD, GPX, GR) in cardiomyocytes is weaker than that in other organs [17], further aggravating the susceptibility to this injury
A mixture of 200 L substrate application solution, 20 L of enzyme working fluid, and 20 L of enzyme solution was incubated at 37C for 20 min, and measured using spectrophotometry at 450 nm
Fermentation significantly reduced the quantity of both tocopherol as well as ascorbic acid
The oxygen-binding site on CIV is comprised of a binuclear heme iron/copper center, which exists in an oxidized or reduced state depending on the surrounding oxygen concentrations ( Although it has been established that NO decreases the flow of electrons through the respiratory chain complexes, which inhibits respiration and decreases oxygen consumption ( Alternatively, there is the notion that NO advantageously affects mitochondrial efficiency ( NO and redox state Not only does NO regulate mitochondrial function and biogenesis via interactions with signaling molecules and the electron transport chain, but it also regulates the production of mitochondrial free radicals (reactive oxygen species and reactive nitrogen species) (Figure 3)