| 1. | There are at least four different glutathione peroxidase isozymes in animals.
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| 2. | L-cysteine is a precursor to the biologic antioxidant glutathione.
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| 3. | APX is an integral component of the glutathione-ascorbate cycle.
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| 4. | This protein is remotely related to microsomal glutathione S-transferase.
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| 5. | Their activity is attributed to their mimicry of glutathione peroxidase activity.
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| 6. | Glutathione has antioxidant properties since the thiol group in its cysteine Kinetoplastids.
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| 7. | Selenium enzymes are involved in the small reducing molecules glutathione and thioredoxin.
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| 8. | At usual doses, NAPQI is quickly detoxified by conjugation with glutathione.
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| 9. | The glutathione peroxidase family consists of 8 known human isoforms.
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| 10. | However, glutathione peroxidase 4 knockout mice die during early embryonic development.
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