Cited by 329Schizophrenia research and treatmentNeural dynamics and brain functionNeuroscience and Neuropharmacology Research

Gamma rhythms link prefrontal interneuron dysfunction with cognitive inflexibility in Dlx5/6(+/-) mice

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Cho, Kathleen K.A., Hoch, Renee, Lee, Anthony T., Patel, Tosha, Rubenstein, John L.R., Sohal, Vikaas S.·2015·Neuron

Abstract

Abnormalities in GABAergic interneurons, particularly fast-spiking interneurons (FSINs) that generate gamma (γ; ∼30-120 Hz) oscillations, are hypothesized to disrupt prefrontal cortex (PFC)-dependent cognition in schizophrenia. Although γ rhythms are abnormal in schizophrenia, it remains unclear whether they directly influence cognition. Mechanisms underlying schizophrenia's typical post-adolescent onset also remain elusive. We addressed these issues using mice heterozygous for Dlx5/6, which regulate GABAergic interneuron development. In Dlx5/6(+/-) mice, FSINs become abnormal following adolescence, coinciding with the onset of cognitive inflexibility and deficient task-evoked γ oscillations. Inhibiting PFC interneurons in control mice reproduced these deficits, whereas stimulating them at γ-frequencies restored cognitive flexibility in adult Dlx5/6(+/-) mice. These pro-cognitive effects were frequency specific and persistent. These findings elucidate a mechanism whereby abnormal FSIN development may contribute to the post-adolescent onset of schizophrenia endophenotypes. Furthermore, they demonstrate a causal, potentially therapeutic, role for PFC interneuron-driven γ oscillations in cognitive domains at the core of schizophrenia.

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  • In mice, the intrinsic electrophysiological properties of PV expressing interneurons in the frontal cortex change significantly during prepubertal development and into mid adolescence (P45-49).

    “In mice, the intrinsic electrophysiological properties of PV expressing interneurons in the frontal cortex change significantly during prepubertal development (Yang et al., 2012) and into mid adolescence (P45–49; (Cho et al., 2015)).”

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Authors
Cho, K. K. A., Hoch, R., Lee, A. T., Patel, T., Rubenstein, J. L. R., & Sohal, V. S.
Affiliations
University of California, San Francisco (US)
Corresponding author
Sohal, Vikaas S.
Venue
Neuron
Publisher
Elsevier BV
Published
2015-03
Volume
85
Issue
6
Pages
1332-1343
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2038977021
Cited by
329
References
39
Citations by year
2026: 19 · 2025: 21 · 2024: 38 · 2023: 19 · 2022: 25 · 2021: 41 · 2020: 33 · 2019: 29 · 2018: 35 · 2017: 25 · 2016: 37 · 2015: 7
FWCI
28.11
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • International Mental Health Research Organization
  • National Alliance for Research on Schizophrenia and Depression
  • University of California, San Francisco
  • National Institute of Mental Health (T32MH089920, T32MH89920, R00MH085946, R01MH100292, DP2MH100011, R37MH049428)
  • NIH Office of the Director
  • National Center for Chronic Disease Prevention and Health Promotion (DP2 MH100011)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
gamma oscillations, fast-spiking interneurons, GABAergic interneurons, prefrontal cortex, cognitive flexibility, schizophrenia, adolescence, interneuron inhibition, schizophrenia endophenotype
MeSH terms
Animals, Behavior, Animal, Cognition, Disease Models, Animal, Interneurons, Male, Parvalbumins, Schizophrenia, Prefrontal Cortex, Homeodomain Proteins, Mice, Gamma Rhythm

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