Title : Inhibition of myeloperoxidase-mediated hypochlorous acid production by nitroxides.

Pub. Date : 2009 Jun 12

PMID : 19379130






5 Functional Relationships(s)
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1 Inhibition of myeloperoxidase-mediated hypochlorous acid production by nitroxides. Hydroxylamine myeloperoxidase Homo sapiens
2 However, we show here that nitroxides can also potently inhibit MPO-mediated HOCl production, with the nitroxide 4-aminoTEMPO inhibiting HOCl production by MPO and by neutrophils with IC50 values of approx. Hydroxylamine myeloperoxidase Homo sapiens
3 However, we show here that nitroxides can also potently inhibit MPO-mediated HOCl production, with the nitroxide 4-aminoTEMPO inhibiting HOCl production by MPO and by neutrophils with IC50 values of approx. Hydroxylamine myeloperoxidase Homo sapiens
4 Inhibition was shown to involve one-electron oxidation of the nitroxides by the compound I form of MPO and accumulation of compound II. Hydroxylamine myeloperoxidase Homo sapiens
5 Overall, these data indicate that nitroxides have considerable promise as therapeutic agents for the inhibition of MPO-mediated damage in inflammatory diseases. Hydroxylamine myeloperoxidase Homo sapiens