Protein-mediated hydroxyl radical generation — The primary event in NADH oxidation and oxygen reduction by the granule rich fraction of human resting leukocytes
Identifieur interne : 000E10 ( Istex/Curation ); précédent : 000E09; suivant : 000E11Protein-mediated hydroxyl radical generation — The primary event in NADH oxidation and oxygen reduction by the granule rich fraction of human resting leukocytes
Auteurs : Martine Torres [France] ; Christian Auclair [France] ; Jacques Hakim [France]Source :
- Biochemical and Biophysical Research Communications [ 0006-291X ] ; 1979.
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Abstract
Abstract: The granule rich-fraction isolated from human resting polymorphonuclear leukocytes is capable of CN-insensitive NADH oxidation and O2-uptake, accompanied by production of superoxide anion, hydroxyl radicals and H2O2. We showed that H2O2 initiates and maintains NADH oxidation and O2-uptake but is also necessary for the formation of superoxide anion and hydroxyl radicals. It acts as a primary substrate for CN-insensitive protein-mediated formation of hydroxyl radicals, which in turn produce superoxide anions, probably through univalent oxidation of NADH as an intermediary.
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DOI: 10.1016/0006-291X(79)91508-0
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<front><div type="abstract" xml:lang="en">Abstract: The granule rich-fraction isolated from human resting polymorphonuclear leukocytes is capable of CN-insensitive NADH oxidation and O2-uptake, accompanied by production of superoxide anion, hydroxyl radicals and H2O2. We showed that H2O2 initiates and maintains NADH oxidation and O2-uptake but is also necessary for the formation of superoxide anion and hydroxyl radicals. It acts as a primary substrate for CN-insensitive protein-mediated formation of hydroxyl radicals, which in turn produce superoxide anions, probably through univalent oxidation of NADH as an intermediary.</div>
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