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Differential depletion of GluN2A induces heterogeneous schizophrenia-related phenotypes in mice

  • 0Interdisciplinary Research Centre on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, No.100 Haike Rd., Pudong New District, Shanghai 201210, China; University of Chinese Academy of Sciences, Beijing 100049, China.
Ebiomedicine +

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March 12, 2024

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March 12, 2024

View abstract on PubMed

Summary

This summary is machine-generated.

GluN2A dysfunction is sufficient to cause schizophrenia-like abnormalities. Targeting this NMDA receptor subunit may offer new therapeutic strategies for schizophrenia heterogeneity.

Area Of Science

  • Neuroscience
  • Psychiatry
  • Genetics

Background

  • Schizophrenia exhibits significant interindividual variation, prompting debate on its underlying causes.
  • The NMDA receptor subunit GluN2A is implicated in schizophrenia risk, but its specific roles are unclear.
  • GluN2A is expressed broadly in the brain, necessitating investigation into cell-type and region-specific functions.

Purpose Of The Study

  • To investigate the role of GluN2A in schizophrenia pathogenesis.
  • To explore how GluN2A dysfunction contributes to the diverse clinical presentations of schizophrenia.
  • To identify GluN2A as a potential therapeutic target.

Main Methods

  • Generated conditional knockout mice with age-, cell type-, and brain region-specific deletion of GluN2A.
  • Utilized a comprehensive battery of behavioral tests relevant to schizophrenia phenotypes.
  • Analyzed the impact of germline and conditional GluN2A ablation on mouse models.

Main Results

  • Germline ablation of GluN2A induced numerous schizophrenia-associated abnormalities in adult mice.
  • Conditional knockout of GluN2A at different ages, cell types, and brain regions resulted in overlapping yet distinct phenotypes.
  • Demonstrated that GluN2A dysfunction can lead to heterogeneous schizophrenia-related manifestations.

Conclusions

  • GluN2A dysfunction is sufficient to cause varied schizophrenia-like symptoms.
  • GluN2A represents a significant risk factor for schizophrenia.
  • Targeting GluN2A may offer a promising therapeutic avenue for schizophrenia.

Keywords: