Cited by 2,433Nitric Oxide and Endothelin EffectsRedox biology and oxidative stressNeuroscience and Neuropharmacology Research

A redox-based mechanism for the neuroprotective and neurodestructive effects of nitric oxide and related nitroso-compounds

Lipton, Stuart A., Choi, Yun-Beom, Pan, Zhuo-Hua, Lei, Sizheng Z., Chen, Huei-Sheng Vincent, Sucher, Nikolaus J., Loscalzo, Joseph, Singel, David J. +1 more·1993·Nature

Abstract

Congeners of nitrogen monoxide (NO) are neuroprotective and neurodestructive. To address this apparent paradox, we considered the effects on neurons of compounds characterized by alternative redox states of NO: nitric oxide (NO.) and nitrosonium ion (NO+). Nitric oxide, generated from NO. donors or synthesized endogenously after NMDA (N-methyl-D-aspartate) receptor activation, can lead to neurotoxicity. Here, we report that NO.- mediated neurotoxicity is engendered, at least in part, by reaction with superoxide anion (O2.-), apparently leading to formation of peroxynitrite (ONOO-), and not by NO. alone. In contrast, the neuroprotective effects of NO result from downregulation of NMDA-receptor activity by reaction with thiol group(s) of the receptor's redox modulatory site. This reaction is not mediated by NO. itself, but occurs under conditions supporting S-nitrosylation of NMDA receptor thiol (reaction or transfer of NO+). Moreover, the redox versatility of NO allows for its interconversion from neuroprotective to neurotoxic species by a change in the ambient redox milieu. The details of this complex redox chemistry of NO may provide a mechanism for harnessing neuroprotective effects and avoiding neurotoxicity in the central nervous system.

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Crossref · 10.1038/364626a0

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Authors
Lipton, S. A., Choi, Y.-B., Pan, Z.-H., Lei, S. Z., Chen, H.-S. V., Sucher, N. J., Loscalzo, J., Singel, D. J., & Stamler, J. S.
Affiliations
  • Boston Children's Hospital (US)
  • Harvard University (US)
  • Brigham and Women's Hospital (US)
Venue
Nature
Published
1993-08
Volume
364
Issue
6438
Pages
626-632
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2062384458
Cited by
2,433
References
31
Citations by year
2026: 15 · 2025: 26 · 2024: 18 · 2023: 22 · 2022: 28 · 2021: 29 · 2020: 24 · 2019: 38 · 2018: 21 · 2017: 26 · 2016: 28 · 2015: 40 · 2014: 47 · 2013: 40 · 2012: 38
FWCI
105.86
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
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 › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
nitric oxide, nitrosonium ion, redox chemistry, NMDA receptor, neurotoxicity, neuroprotection, superoxide, peroxynitrite, S-nitrosylation, nitric oxide donors, central nervous system
MeSH terms
Animals, Brain, Cells, Cultured, Cysteine, Free Radicals, Nitroglycerin, Molsidomine, Neurons, Nitrates, Nitric Oxide, Nitroprusside, Oxidation-Reduction, Superoxides, Receptors, N-Methyl-D-Aspartate, Cell Death, S-Nitrosothiols, Rats

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