Cited by 65Nitric Oxide and Endothelin EffectsRedox biology and oxidative stressNeutrophil, Myeloperoxidase and Oxidative Mechanisms

Convergence of biological nitration and nitrosation via symmetrical nitrous anhydride

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Vitturi, Dario A, Minarrieta, Lucia, Salvatore, Sonia R, Postlethwait, Edward M, Fazzari, Marco, Ferrer-Sueta, Gerardo, Lancaster, Jack R, Freeman, Bruce A +1 more·2015·Nature Chemical Biology

Abstract

The current perspective holds that the generation of secondary signaling mediators from nitrite (NO2(-)) requires acidification to nitrous acid (HNO2) or metal catalysis. Herein, the use of stable isotope-labeled NO2(-) and LC-MS/MS analysis of products reveals that NO2(-) also participates in fatty acid nitration and thiol S-nitrosation at neutral pH. These reactions occur in the absence of metal centers and are stimulated by autoxidation of nitric oxide ((•)NO) via the formation of symmetrical dinitrogen trioxide (nitrous anhydride, symN2O3). Although theoretical models have predicted physiological symN2O3 formation, its generation is now demonstrated in aqueous reaction systems, cell models and in vivo, with the concerted reactions of (•)NO and NO2(-) shown to be critical for symN2O3 formation. These results reveal new mechanisms underlying the NO2(-) propagation of (•)NO signaling and the regulation of both biomolecule function and signaling network activity via NO2(-)-dependent nitrosation and nitration reactions.

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Authors
Vitturi, D. A., Minarrieta, L., Salvatore, S. R., Postlethwait, E. M., Fazzari, M., Ferrer-Sueta, G., Lancaster, J. R., Freeman, B. A., & Schopfer, F. J.
Affiliations
  • University of Pittsburgh (US)
  • University of Alabama at Birmingham (US)
Corresponding author
Schopfer, Francisco J
Venue
Nature Chemical Biology
Published
2015-05-25
Volume
11
Issue
7
Pages
504-510
ISSN
  • 1552-4450 (ISSN-L)
  • 1552-4469
OpenAlex
W1545999232
Cited by
65
References
53
Citations by year
2026: 1 · 2025: 5 · 2024: 4 · 2023: 3 · 2022: 3 · 2021: 9 · 2020: 3 · 2019: 10 · 2018: 13 · 2017: 8 · 2016: 3 · 2015: 3
FWCI
6.56
Type
journal article
Language
en
Open access
Locations
  • Nature Chemical Biology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Heart, Lung, and Blood Institute (R01HL064937, R37HL058115, R01HL058115, P01HL103455, R01HL132550)
  • National Institute of Diabetes and Digestive and Kidney Diseases (P30DK072506)
  • National Center for Complementary and Integrative Health (R01AT006822)
Topics
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Life Sciences › Immunology and Microbiology › Immunology › Neutrophil, Myeloperoxidase and Oxidative Mechanisms
Keywords
nitrite, nitric oxide, dinitrogen trioxide, nitrosation, no-signaling
MeSH terms
Animals, Cell Line, Glutathione, Hydrogen-Ion Concentration, Inflammation, Kinetics, Lipopolysaccharides, Macrophages, Male, Mice, Inbred C57BL, Nitrates, Nitric Oxide, Nitrites, Nitrogen Isotopes, Nitrogen Oxides, Nitrous Acid, Oxygen Isotopes, Nitrosation, Linoleic Acids, Conjugated, Mice

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