K Takahashi, P E Newburger, H J Cohen
J Clin Invest.
1986;
77(4):1402–1404
doi:10.1172/JCI112449
This article Copyright © 1986, The American Society for Clinical Investigation
Abstract
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G
lutathione peroxidase (GSHPx) activity is an indicator of selenium status in selenium-deficient individuals. Utilizing polyclonal monospecific antibodies to purified erythrocyte GSHPx, we were able to determine the relationship between enzymatic activity and protein content. In erythrocytes from a selenium-deficient individual who was treated with selenium, and in HL-60 cells grown in the absence of selenium and then returned to selenium-containing medium, there was a direct relationship between enzymatic activity and protein content. Thus, selenium deficiency results not only in a decrease of GSHPx activity, but also in a decrease of GSHPx protein.
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