Cited by 46Schizophrenia research and treatmentNeuroscience and Neuropharmacology ResearchNeurotransmitter Receptor Influence on Behavior

How Nox2-Containing NADPH Oxidase Affects Cortical Circuits in the NMDA Receptor Antagonist Model of Schizophrenia

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Wang, Xin, Pinto-Duarte, António, Sejnowski, Terrence J., Behrens, M. Margarita·2013·Antioxidants & Redox Signaling

Abstract

SIGNIFICANCE: Schizophrenia is a complex neuropsychiatric disorder affecting around 1% of the population worldwide. Its mode of inheritance suggests a multigenic neurodevelopmental disorder with symptoms appearing during late adolescence/early adulthood, with its onset strongly influenced by environmental stimuli. Many neurotransmitter systems, including dopamine, glutamate, and gamma-aminobutyric acid, show alterations in affected individuals, and the behavioral and physiological characteristics of the disease can be mimicked by drugs that produce blockade of N-methyl-d-aspartate glutamate receptors (NMDARs). RECENT ADVANCES: Mounting evidence suggests that drugs that block NMDARs specifically impair the inhibitory capacity of parvalbumin-expressing (PV+) fast-spiking neurons in adult and developing rodents, and alterations in these inhibitory neurons is one of the most consistent findings in the schizophrenic postmortem brain. Disruption of the inhibitory capacity of PV+ inhibitory neurons will alter the functional balance between excitation and inhibition in prefrontal cortical circuits producing impairment of working memory processes such as those observed in schizophrenia. CRITICAL ISSUES: Mechanistically, the effect of NMDAR antagonists can be attributed to the activation of the Nox2-dependent reduced form of nicotinamide adenine dinucleotide phosphate oxidase pathway in cortical neurons, which is consistent with the emerging role of oxidative stress in the pathogenesis of mental disorders, specifically schizophrenia. Here we review the mechanisms by which NMDAR antagonists produce lasting impairment of the cortical PV+ neuronal system and the roles played by Nox2-dependent oxidative stress mechanisms. FUTURE DIRECTIONS: The discovery of the pathways by which oxidative stress leads to unbalanced excitation and inhibition in cortical neural circuits opens a new perspective toward understanding the biological underpinnings of schizophrenia.

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Crossref · 10.1089/ars.2012.4907

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  • Early postnatal, but not adolescent, deletion of Grin1 in mouse forebrain interneurons reduced parvalbumin and GAD1 expression and caused cortical disinhibition and asynchrony.

    “Early post-natal, but not adolescent, deletion of Grin1 in mouse forebrain interneurons reduced their expression of parvalbumin and glutamate decarboxylase 1 (GAD1, also known as GAD67), and caused cortical disinhibition and asynchrony 30,31 .”

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Authors
Wang, X., Pinto-Duarte, A., Sejnowski, T. J., & Behrens, M. M.
Affiliations
  • Salk Institute for Biological Studies (US)
  • The Salk Institute for Biological Studies, La Jolla, California.
Corresponding author
Wang, Xin
Venue
Antioxidants & Redox Signaling
Published
2013-04-20
Volume
18
Issue
12
Pages
1444-1462
ISSN
  • 1523-0864 (ISSN-L)
  • 1557-7716
OpenAlex
W2059143392
Cited by
46
References
255
Citations by year
2026: 2 · 2025: 7 · 2024: 2 · 2023: 2 · 2022: 1 · 2021: 9 · 2020: 2 · 2019: 2 · 2018: 2 · 2017: 7 · 2016: 3 · 2015: 1 · 2014: 3 · 2013: 3
FWCI
0.30
Type
journal article
Language
en
Open access
Locations
  • Antioxidants and Redox Signaling (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Howard Hughes Medical Institute
  • Pfizer
  • Life Sciences Research Foundation
  • Calouste Gulbenkian Foundation
  • National Institute of Mental Health (R01MH091407, MH091407)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
schizophrenia, NMDA receptor antagonists, NOX2, NADPH oxidase, oxidative stress, fast-spiking interneurons, cortical circuits, excitation-inhibition balance, prefrontal cortex, working memory, glutamate receptor blockade
MeSH terms
NADPH Oxidase 2, Animals, Brain, Humans, Membrane Glycoproteins, Neurons, Oxidation-Reduction, Schizophrenia, Ion Channel Gating, Receptors, N-Methyl-D-Aspartate, Excitatory Amino Acid Antagonists, NADPH Oxidases

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