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[Knockout mouse--its characteristics and application (1): NMDA receptor subunit knockout mouse]

I Ito1

  • 1Department of Biology, Faculty of Science, Kyushu University, Fukuoka, Japan.

Nihon Shinkei Seishin Yakurigaku Zasshi = Japanese Journal of Psychopharmacology
|March 4, 1998
PubMed
Summary

Researchers created knockout mice lacking specific N-methyl-D-aspartate (NMDA) receptor subunits to study their role in brain function. These models are crucial for understanding NMDA receptors and synaptic plasticity.

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Area of Science:

  • Neuroscience
  • Molecular Biology
  • Genetics

Context:

  • N-methyl-D-aspartate (NMDA) receptors, a type of glutamate receptor, are crucial for learning, memory, neurodevelopment, and neurodegenerative disorders.
  • Molecular cloning revealed NMDA receptors comprise multiple subunits with varied distribution, properties, and regulation, suggesting region- and stage-specific differences.
  • The molecular diversity of NMDA receptors implies distinct architectures and functions across brain regions and developmental stages.

Purpose:

  • To investigate the in vivo significance of NMDA receptor molecular diversity.
  • To create and utilize NMDA receptor subunit knockout mice for physiological, histological, and behavioral analyses.

Summary:

  • Gene-targeting techniques were employed to generate mutant mice lacking specific NMDA receptor subunits.

Related Experiment Videos

  • These NMDA receptor subunit knockout mice serve as a tool to explore NMDA receptor function and synaptic plasticity.
  • The study reviews recent findings and discusses the utility of these knockout models.

    • Impact:

    • Provides insights into the functional roles of specific NMDA receptor subunits in the central nervous system.
    • Facilitates research on synaptic plasticity, learning, memory, and neurological disorders.
    • Highlights the advantages and limitations of NMDA receptor subunit knockout mice in neuroscience research.