Cited by 59Redox biology and oxidative stressAmyotrophic Lateral Sclerosis ResearchGlutathione Transferases and Polymorphisms

The carbonate radical anion-induced covalent aggregation of human copper, zinc superoxide dismutase, and α-synuclein: intermediacy of tryptophan- and tyrosine-derived oxidation products

Zhang, Hao, Andrekopoulos, Christopher, Joseph, Joy, Crow, John, Kalyanaraman, B.·2004·Free Radical Biology and Medicine

Abstract

In this review, we describe the free radical mechanism of covalent aggregation of human copper, zinc superoxide dismutase (hSOD1). Bicarbonate anion (HCO3-) enhances the covalent aggregation of hSOD1 mediated by the SOD1 peroxidase-dependent formation of carbonate radical anion (CO3*-), a potent and selective oxidant. This species presumably diffuses out the active site of hSOD1 and reacts with tryptophan residue located on the surface of hSOD1. The oxidative degradation of tryptophan to kynurenine and N-formyl kynurenine results in the covalent crosslinking and aggregation of hSOD1. Implications of oxidant-mediated aggregation of hSOD1 in the increased cytotoxicity of motor neurons in amyotrophic lateral sclerosis are discussed.

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Crossref · 10.1016/j.freeradbiomed.2004.02.038

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  • ADMA was recognized as an important marker for cardiovascular disease progression soon after its discovery in cells and tissue.

    “Soon after its discovery in cells and tissue, ADMA was recognized as an important marker for cardiovascular disease progression (656, 829, 961, 1011, 1053, 1068).”
  • Availability of l-arginine may be jeopardized under endothelial dysfunction, and concentrations of inhibitory l-arginine metabolites such as ADMA can increase in pathological conditions.

    “Several lines of evidence indicate that the availability of l-arginine may be jeopardized under endothelial dysfunction, and the concentrations of inhibitory l-arginine metabolites, such as ADMA, can also increase in pathological conditions (107, 1053).”

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Authors
Zhang, H., Andrekopoulos, C., Joseph, J., Crow, J., & Kalyanaraman, B.
Affiliations
  • Medical College of Wisconsin (US)
  • University of Arkansas for Medical Sciences (US)
Corresponding author
Kalyanaraman, B.
Venue
Free Radical Biology and Medicine
Publisher
Elsevier BV
Published
2004-06
Volume
36
Issue
11
Pages
1355-1365
ISSN
0891-5849 (ISSN-L)
OpenAlex
W2063766113
Cited by
59
References
69
Citations by year
2023: 1 · 2022: 1 · 2019: 2 · 2018: 4 · 2016: 2 · 2014: 4 · 2013: 5 · 2012: 4
FWCI
0.56
Type
journal article
Language
en
Open access
closed
Locations
  • Free Radical Biology and Medicine (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Neurological Disorders and Stroke (NS40494, R01NS040494)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Glutathione Transferases and Polymorphisms
Keywords
copper-zinc superoxide dismutase, SOD1, carbonate radical anion, bicarbonate, tryptophan oxidation, kynurenine, tyrosine oxidation, peroxidase activity, protein aggregation, amyotrophic lateral sclerosis, radical mechanism
MeSH terms
Carbonates, Free Radicals, Humans, Nerve Tissue Proteins, Oxidation-Reduction, Superoxide Dismutase, Tryptophan, Monophenol Monooxygenase, Synucleins, alpha-Synuclein

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