Báo cáo khoa học: Role of peroxidase inhibition by insulin in the bovine thyroid cell proliferation mechanism
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Monolayer primary cultures of thyroid cells produce, in the presence of insulin, a cytosolic inhibitor of thyroid peroxi-dase (TPO), lacto peroxidase (LPO), horseradishperoxidase (HRPO) and glutathione peroxidase (GPX). The inhibitor, localized in the cytosol, is thermostable and hydrophylic. Itsmolecularmass is less than2 kDa.The inhibitoryactivity, resistant to proteolytic and nucleolytic enzymes, disappears with sodium metaperiodate treatment, as an oxidant of carbohydrates, supporting its oligosaccharide structure....
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