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Oxidation reactions can modify protein activity or specificity. Recently, a novel redox-reactive family of autoantibodies was described, which indicated involvement of altered antibodies (beside altered antigens) into autoimmune reactions. The aim of our study was to determine the binding capacity alterations of electro-oxidized blood donors' IgGs, and to evaluate their effects on released proinflammatory...
Reactive oxygen species (ROS) released from activated phagocytes are involved in the innate immune defense against pathogens. However, when released in excess and when the antioxidant systems are impaired, ROS may induce cellular and tissue damage and dissociation of iron ions or iron containing compounds (heme) from protein-bound state. Free iron ions and free heme are prooxidative. Immunoglobulins...
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