glutathione peroxidase


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Related to glutathione peroxidase: Glutathione reductase
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Noun1.glutathione peroxidase - an enzyme in the body that is a powerful scavenger of free radicals
antioxidant - substance that inhibits oxidation or inhibits reactions promoted by oxygen or peroxides
peroxidase - any of a group of enzymes (occurring especially in plant cells) that catalyze the oxidation of a compound by a peroxide
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The activity of glutathione peroxidase was evaluated by the decay of the absorbance of samples incubated with 48 mM buffer phosphate, pH 7.0, 0.38 mM EDTA, 0.95 mM sodium azide, 1 mM glutathione, 0.12 mM nicotinamide adenine dinucleotide phosphate, 3.2 U of glutathione reductase, 0.02 mM DL-dithiothreitol and 0.0007% hydrogen peroxide was monitored for five minutes at 340 nm (Wendel et al., 1981).
The GSH-Px (Glutathione Peroxidase) besides Glutathione reductase (GR) are the chief reducing mediators in the living cells and is regarded as hunting antioxidants in male reproductive tract especially at the region of epididymis and testicles (Potts et al., 2000).
The antioxidant glutathione peroxidase family and spermatozoa: a complex story.
(2010) also observed an increase in the activity of enzyme glutathione peroxidase in the gills of zinc exposed Nile tilapia (Oreochromis niloticus).
Opposite changes in the activities of catalase and glutathione peroxidase, which we noted in the results, may be due to their nonenzymatic glycation [52-54].
Arthur, "The glutathione peroxidases," Cellular and Molecular Life Sciences, vol.
A study by DiSilvestro, et al (9) demonstrated that Albion's Selenium Glycinate Complex significantly raised serum glutathione peroxidase activity, which plays a critical role in protecting the central nervous system and asserting a positive impact on cognitive function.
Adding to this, Figure 2 showed increased glutathione reductase and glutathione peroxidase activity.
The company said SPI-1005, an investigational new drug that mimics and induces Glutathione Peroxidase (GPx), has been shown to reduce the swelling or edema of the inner ear in animal studies involving acoustic trauma.

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