Expression, characterization, and tissue distribution of a new cellular selenium-dependent glutathione peroxidase, GSHPx-Gi

作者: F.F. Chu , J.H. Doroshow , R.S. Esworthy

DOI: 10.1016/S0021-9258(18)53812-6

关键词:

摘要: We have characterized a new selenium-dependent glutathione peroxidase, GSHPx-GI, by expressing a GSHPx-GI cDNA isolated from human hepatoma HepG2 cells in human mammary carcinoma MCF-7 cells, which have virtually undetectable expression of either the classical cellular enzyme, GSHPx-1, or GSHPx-GI at the protein level. One of the G418-resistant clones, neo-D1, expresses the transfected GSHPx-GI cDNA. This is based on 1) the presence of an additional GSHPx-GI DNA restriction fragment detected by Southern …

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