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Effects of selenite and selenomethionine on glutathione peroxidase in the rat. 1977

S Pierce, and A L Tappel

The activity of glutathione (GSH) peroxidase (EC 1.11.1.9) decreased in tissues of rats fed a diet deficient in selenium. A single dose of 300 mug selenium by stomach tube increased GSH peroxidase activity within 48 hours. The effects of selenite and selenomethionine on GSH peroxidase activity were roughly similar. This study provides evidence that selenium from both selenite and selenomethionine is readily available for synthesis of the selenoenzyme GSH peroxidase in rat tissues.

UI MeSH Term Description Entries
D008297 Male Males
D010544 Peroxidases Ovoperoxidase
D005979 Glutathione Peroxidase An enzyme catalyzing the oxidation of 2 moles of GLUTATHIONE in the presence of HYDROGEN PEROXIDE to yield oxidized glutathione and water. Cytosolic Glutathione Peroxidase,Glutathione Lipoperoxidase,Selenoglutathione Peroxidase,Glutathione Peroxidase, Cytosolic,Lipoperoxidase, Glutathione,Peroxidase, Glutathione,Peroxidase, Selenoglutathione
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012643 Selenium An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE. Selenium-80,Selenium 80
D012645 Selenomethionine Diagnostic aid in pancreas function determination. Butanoic acid, 2-amino-4-(methylseleno)-,Radioselenomethionine,Selenomethionine Se 75,Selenomethionine Hydrochloride, (S)-Isomer,Selenomethionine, (+,-)-Isomer,Selenomethionine, (R)-Isomer,Selenomethionine, (S)-Isomer,Sethotope,Se 75, Selenomethionine
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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