PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2002037-2 1991 The potent cytotoxic capacity of eosinophils for parasites and host tissue has in part been attributed to the catalytic action of eosinophil peroxidase (EPO), which preferentially oxidizes Br- to the powerful bleaching oxidant HOBr in buffers that mimic serum halide composition (100 mM Cl-, 20-100 microM Br-, less than 1 microM I-). hypobromous acid 227-231 eosinophil peroxidase Rattus norvegicus 130-151 2002037-2 1991 The potent cytotoxic capacity of eosinophils for parasites and host tissue has in part been attributed to the catalytic action of eosinophil peroxidase (EPO), which preferentially oxidizes Br- to the powerful bleaching oxidant HOBr in buffers that mimic serum halide composition (100 mM Cl-, 20-100 microM Br-, less than 1 microM I-). hypobromous acid 227-231 eosinophil peroxidase Rattus norvegicus 153-156 1985118-4 1991 Because EPO preferentially oxidizes Br- to hypobromous acid (HOBr) rather than Cl- to hypochlorous acid (HOCl) at physiologic halide concentrations, we characterized the Br(-)-dependent toxicity of both activated EOs and purified human EPO towards several types of endothelial cells and isolated working rat hearts. hypobromous acid 43-59 eosinophil peroxidase Rattus norvegicus 8-11 1985118-4 1991 Because EPO preferentially oxidizes Br- to hypobromous acid (HOBr) rather than Cl- to hypochlorous acid (HOCl) at physiologic halide concentrations, we characterized the Br(-)-dependent toxicity of both activated EOs and purified human EPO towards several types of endothelial cells and isolated working rat hearts. hypobromous acid 61-65 eosinophil peroxidase Rattus norvegicus 8-11 1985118-6 1991 H2O2 and purified human EPO, especially when bound to cell surfaces, mediated extraordinarily potent, completely Br(-)-dependent cytolysis of endothelial cells that was reversed by peroxidase inhibitors, HOBr scavengers, and competitive substrates. hypobromous acid 204-208 eosinophil peroxidase Rattus norvegicus 24-27 1985118-9 1991 These findings raise the possibility that EPO bound to endocardial cells might utilize H2O2 generated either by overlying phagocytes or endogenous cardiac metabolism along with the virtually inexhaustible supply of Br- from flowing blood to fuel HOBr-mediated cell damage. hypobromous acid 246-250 eosinophil peroxidase Rattus norvegicus 42-45