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Related Experiment Videos

Synapse proteomics: current status and quantitative applications.

Ka Wan Li1, Connie R Jimenez

  • 1Department of Molecular & Cellular Neurobiology, Center for Neurogenomics & Cognitive Research, Faculty of Earth & Life Sciences, VU University Amsterdam, The Netherlands. ka.wan.li@cncr.vu.nl

Expert Review of Proteomics
|May 10, 2008
PubMed
Summary
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Proteomics studies reveal synaptic protein organization, crucial for neurotransmission and brain function. Understanding these protein changes aids in studying synapse physiology and neurological disorders.

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Biochemistry

Background:

  • Chemical synapses are vital for neurotransmission, involving complex protein networks.
  • Synaptic efficacy changes are linked to alterations in synaptic protein composition and interactions.

Purpose of the Study:

  • To profile protein constituents and post-translational modifications in synaptic subdomains.
  • To understand synapse organization and function in health and disease.

Main Methods:

  • Proteomics studies were conducted on rodent excitatory chemical synaptic subdomains.
  • Quantitative proteomics analyzed synaptic protein changes during development, in knockout models, and in disease models.

Main Results:

  • Detailed protein profiles of postsynaptic density, synaptic vesicles, and phosphoproteome were generated.

Related Experiment Videos

  • Changes in synaptic proteins were identified across different physiological and pathological conditions.

    • Conclusions:

    • Proteomics provides a foundational understanding of synapse organization.
    • These findings generate hypotheses for synapse function and regulation in brain health and disorders.