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  • Title: Determination of nucleotide sequence of cDNA coding rat glutathione peroxidase and diminished expression of the mRNA in selenium deficient rat liver.
    Author: Yoshimura S, Takekoshi S, Watanabe K, Fujii-Kuriyama Y.
    Journal: Biochem Biophys Res Commun; 1988 Aug 15; 154(3):1024-8. PubMed ID: 3408482.
    Abstract:
    The cDNA for rat glutathione peroxidase mRNA was isolated from liver cDNA library in lambda gt11 by cross-hybridization using the mouse cDNA, and it's nucleotide sequence was determined. The selenocysteine which constitutes an active center of this enzyme was encoded by TGA, a nonsense codon in general, as was the cases with mouse and human glutathione peroxidase. Northern blot analysis elucidated that the mRNA for glutathione peroxidase was markedly diminished in selenium deficient rat liver as compared with that of normal rat livers. The result suggested that the de novo synthesis of the mRNA would be regulated by selenium.
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