Multiple actions of superoxide dismutase: why can it both inhibit and stimulate reduction of oxygen by hydroquinones?
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Summary
Chain termination by superoxide dismutase can account for negligible accumulation of H2O2 without invoking a superoxide:semiquinone oxidoreductase activity for this enzyme.
- Type
- review
- Published
- 1990-01-01
- Cited by
- 49
- References
- 17
- OpenAlex
- https://openalex.org/W2069150275
- Semantic Scholar
- https://api.semanticscholar.org/CorpusID:35709154
Keywords
Autoxidation, Superoxide dismutase, Chemistry, Superoxide, Reactive oxygen species
References
- The role of superoxide anion in the autoxidation of epinephrine and a simple assay for superoxide dismutase.
- DT-diaphorase-catalysed reduction of 1,4-naphthoquinone derivatives and glutathionyl-quinone conjugates. Effect of substituents on autoxidation rates.
- Intermediates in the aerobic autoxidation of 6-hydroxydopamine: relative importance under different reaction conditions.
- 6-hydroxydopamine does not reduce molecular oxygen directly, but requires a coreductant.
- One-electron reduction of juglone (5-hydroxy-1,4-naphthoquinone): a pulse radiolysis study
- Oxidation-Reduction Potentials
- Effect of superoxide dismutase on the autoxidation of various hydroquinones--a possible role of superoxide dismutase as a superoxide:semiquinone oxidoreductase.
- Inhibition of autoxidation of divicine and isouramil by the combination of superoxide dismutase and reduced glutathione.
- Effect of superoxide dismutase on the autoxidation of substituted hydro- and semi-naphthoquinones.
- A proposed mechanism of benzene toxicity: formation of reactive intermediates from polyphenol metabolites.
- Dual effects of superoxide dismutase on the autoxidation of 1,4-naphthohydroquinone.
- Cytochrome c reduction by semiquinone radicals can be indirectly inhibited by superoxide dismutase.
- Superoxide dismutases enhance the rate of autoxidation of 3-hydroxyanthranilic acid.
- Copper catalyzed oxidation of ascorbate (vitamin C). Inhibitory effect of catalase, superoxide dismutase, serum proteins (ceruloplasmin, albumin, apotransferrin) and amino acids.
- Interactions between metals, ligands, and oxygen in the autoxidation of 6-hydroxydopamine: mechanisms by which metal chelation enhances inhibition by superoxide dismutase.
- Involvement of the superoxide anion radical in the autoxidation of pyrogallol and a convenient assay for superoxide dismutase.
- Physical Chemistry
- OXIDATION-REDUCTION POTENTIALS
Cited by
- Toxic effects of apomorphine on rat cultured neurons and glial C6 cells, and protection with antioxidants.
- Roles of oxygen-derived active species and transition metal ions in DNA breakage by phenolic pro-oxidants
- Glutathione suppresses the autoxidation of 2',5'-dihydroxy-4-chlorobiphenyl
- Mechanisms of oxygen reduction by hydroquinones
- Pro- and antioxidant functions of quinones and quinone reductases in mammalian cells.
- Activation and detoxification of naphthoquinones by NAD(P)H: quinone oxidoreductase.
- Clastogenic and mutagenic actions of active species generated in the 6-hydroxydopamine/oxygen reaction: effects of scavengers of active oxygen, iron, and metal chelating agents.
- DNA breakage induced by 1,2,4-benzenetriol: relative contributions of oxygen-derived active species and transition metal ions.
- Superoxide Dismutase Inhibition of Oxidation of Ubiquinol and Concomitant Formation of Hydrogen Peroxide.
- DNA-breaking versus DNA-protecting activity of four phenolic compounds in vitro
- Autoxidation of ubiquinol-6 is independent of superoxide dismutase.
- Kinetics and mechanism of auto- and copper-catalyzed oxidation of 1,4-naphthohydroquinone.
- Visible-light-mediated photodegradation of 17β-estradiol: Kinetics, mechanism and photoproducts
- Polycyclic aromatic hydrocarbon quinone-mediated oxidation reduction cycling catalyzed by a human placental NADPH-linked carbonyl reductase.
- Effect of d-metal cations on the reduction of nitrotetrazolium blue to formazan
- A long-lived o-semiquinone radical anion is formed from N-beta-alanyl-5-S-glutathionyl-3,4-dihydroxyphenylalanine (5-S-GAD), an insect-derived antibacterial substance.
- Polycyclic aromatic hydrocarbon quinones may be either substrates for or irreversible inhibitors of the human placental NAD-linked 15-hydroxyprostaglandin dehydrogenase.
- Aluminum effect on the activity of superoxide dismutase and of other antioxygenic enzymes in vitro
- Bioreductive activation of catechol estrogen-ortho-quinones: aromatization of the B ring in 4-hydroxyequilenin markedly alters quinoid formation and reactivity.
- Xenobiotic-mediated production of superoxide by primary cultures of rat cerebral endothelial cells, astrocytes, and neurones.
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