Cited by 2,297Schizophrenia research and treatmentNeuroscience and Neuropharmacology ResearchNeurotransmitter Receptor Influence on Behavior

Cortical inhibitory neurons and schizophrenia

Lewis, David A., Hashimoto, Takanori, Volk, David W.·2005·Nature Reviews Neuroscience

Abstract

Impairments in certain cognitive functions, such as working memory, are core features of schizophrenia. Convergent findings indicate that a deficiency in signalling through the TrkB neurotrophin receptor leads to reduced GABA (gamma-aminobutyric acid) synthesis in the parvalbumin-containing subpopulation of inhibitory GABA neurons in the dorsolateral prefrontal cortex of individuals with schizophrenia. Despite both pre- and postsynaptic compensatory responses, the resulting alteration in perisomatic inhibition of pyramidal neurons contributes to a diminished capacity for the gamma-frequency synchronized neuronal activity that is required for working memory function. These findings reveal specific targets for therapeutic interventions to improve cognitive function in individuals with schizophrenia.

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Crossref · 10.1038/nrn1648

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120 of 120 references verified0 citation errors · 0 not checkable

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  • Reduced expression of GAD67, the main GABA-synthesizing enzyme in the brain, appears to contribute to altered interneuron activity in psychosis.

    “Reduced expression of GAD67, the main GABA-synthesizing enzyme in the brain, appears to contribute to altered interneuron activity in psychosis [86,87] .”
  • In individuals with psychosis, certain classes of GABA interneurons are altered, specifically reduced density in the anterior cingulate and reduced activity in the dorsolateral prefrontal cortex in the parvalbumin-expressing subpopulation.

    “Certain classes of GABA interneurons are altered in individuals with psychosis, in particular reduced density in the anterior cingulate and reduced activity in the dorsolateral prefrontal cortex in the subpopulation expressing parvalbumin [84-86] .”
  • The correct balance of inhibition and excitation seems to be critical for normative executive function, and conversely, disturbance of this balance is thought to be a fundamental component of psychiatric illness.

    “Thus, the correct balance of inhibition and excitation seems to be critical for normative executive function, and conversely, disturbance of this balance is thought to be a fundamental component of psychiatric illness.69, 70”
  • The expression of several GABA receptors and markers of inhibitory synapses are also altered in schizophrenia.

    “Moreover, the expression of several GABA receptors and markers of inhibitory synapses are also altered in schizophrenia 50 .”
  • Schizophrenia is increasingly viewed as a neurodevelopmental disorder involving brain circuit alterations, including dysfunction of parvalbumin-positive fast-spiking GABA neurons.

    “Schizophrenia is increasingly recognized as a neurodevelopmental disorder that involves alterations in brain circuits, including dysfunction of parvalbumin (PV)-positive, fast-spiking GABA neurons (1, 2).”

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Authors
Lewis, D. A., Hashimoto, T., & Volk, D. W.
Affiliations
University of Pittsburgh (US)
Corresponding author
Lewis, David A.
Venue
Nature Reviews Neuroscience
Published
2005-04
Volume
6
Issue
4
Pages
312-324
ISSN
  • 1471-003X (ISSN-L)
  • 1471-0048
OpenAlex
W2089912569
Cited by
2,297
References
123
Citations by year
2026: 36 · 2025: 51 · 2024: 63 · 2023: 48 · 2022: 70 · 2021: 86 · 2020: 77 · 2019: 94 · 2018: 102 · 2017: 89 · 2016: 123 · 2015: 148 · 2014: 132 · 2013: 167 · 2012: 151
FWCI
16.54
Type
journal article
Language
en
Open access
closed
Locations
  • Nature reviews. Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Alliance for Research on Schizophrenia and Depression
  • National Institutes of Health
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, cortical inhibitory neurons, parvalbumin interneurons, GABA synthesis, dorsolateral prefrontal cortex, working memory, perisomatic inhibition, cognitive impairment
MeSH terms
Animals, Cerebral Cortex, Humans, Nerve Net, Neural Inhibition, Neurons, Schizophrenia

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