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Possible involvement of myeloperoxidase in lipid peroxidation
T Stelmaszyńska1, E Kukovetz, G Egger
1Institute of Biochemistry, University of Graz, Austria.
The International Journal of Biochemistry
|January 1, 1992
Abstract:
1. Exposure of liposomes to the MPO-H2O2-Cl- system results in oxidation of lipids. Malondialdehyde and 4-hydroxynonenal are formed. 2. Oxidation of liposomes by stimulated rat neutrophils, assessed by malondialdehyde formation, is inhibited by KCN. This indicates involvement of MPO in the process. 3. The MPO-H2O2 system oxidizes mildly LDL but in the presence of chloride a propagation phase, with a rapid increase of conjugated diene formation, was observed.