Cited by 118Redox biology and oxidative stressMitochondrial Function and PathologyNitric Oxide and Endothelin Effects

Superoxide production by mitochondria in the presence of nitric oxide forms peroxynitrite

Packer, Michael A., Porteous, Carolyn M., Murphy, Michael P.·1996·IUBMB Life

Abstract

The mitochondrial respiratory chain continually produces superoxide leading to high levels of mitochondrial oxidative stress. This oxidative damage has been attributed to the formation of hydroxyl radicals and hydrogen peroxide from superoxide. Alternatively, mitochondrial superoxide may react with nitric oxide forming the potent oxidant peroxynitrite, thus damaging mitochondrial protein, lipid and DNA. To test this hypothesis we induced mitochondrial superoxide formation in the presence of nitric oxide. Here we demonstrate that mitochondrial superoxide reacts with nitric oxide to form peroxynitrite, suggesting that mitochondria may be a significant intracellular source of peroxynitrite.

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Crossref · 10.1080/15216549600201103

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  • Peroxynitrite can nitrate tyrosine or tryptophan residues or oxidise methionine residues.

    “In addition, peroxynitrite is capable of nitrating tyrosine or tryptophan residues, or oxidising methionine residues [123,124,125,126,127,128].”

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Authors
Packer, M. A., Porteous, C. M., & Murphy, M. P.
Affiliations
University of Otago (NZ)
Corresponding author
Murphy, Michael P.
Venue
IUBMB Life
Publisher
Wiley
Published
1996-10
Volume
40
Issue
3
Pages
527-534
ISSN
  • 1521-6543 (ISSN-L)
  • 1521-6551
OpenAlex
W2060263803
Cited by
118
References
0
Citations by year
2025: 2 · 2024: 1 · 2023: 2 · 2022: 2 · 2021: 4 · 2020: 3 · 2019: 5 · 2018: 4 · 2017: 1 · 2016: 2 · 2015: 3 · 2014: 1 · 2013: 2 · 2012: 2
FWCI
1.88
Type
journal article
Language
en
Open access
closed
Locations
  • IUBMB Life (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
Keywords
superoxide, nitric oxide, peroxynitrite, mitochondria, mitochondrial respiratory chain, oxidative stress, nitrosative stress, mitochondrial DNA damage, lipid peroxidation
MeSH terms
Animals, Antimycin A, Cattle, Cell Membrane, DNA Damage, DNA, Mitochondrial, Mitochondria, Heart, Nitrates, Nitric Oxide, Superoxides, Oxidative Stress

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