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Related Concept Videos

Synaptic Signaling01:12

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Neurons communicate at synapses, or junctions, to excite or inhibit the activity of other neurons or target cells, such as muscles. Synapses may be chemical or electrical.
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Synaptic integration mainly includes the summation of graded potentials. Graded potentials, regardless of their type, cause subtle alterations in membrane voltage, resulting in either depolarization or hyperpolarization. These incremental changes, when combined or summed, can propel the neuron toward its threshold. Consider, for example, a membrane experiencing a +15 mV shift, causing it to depolarize from -70 mV to -55 mV. In this scenario, graded potentials govern the membrane's ability to...
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Chemical Synapses01:26

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Proteomics01:33

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Related Experiment Video

Updated: Jun 26, 2025

High Resolution Quantitative Synaptic Proteome Profiling of Mouse Brain Regions After Auditory Discrimination Learning
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Synaptic proteomics decode novel molecular landscape in the brain.

Yuki Ito1,2, Sayaka Nagamoto1, Tetsuya Takano1,3,4

  • 1Division of Molecular Systems for Brain Function, Institute for Advanced Study, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan.

Frontiers in Molecular Neuroscience
|May 10, 2024
PubMed
Summary

Understanding synaptic molecular networks is key to brain function and neurological disorders. Novel spatial proteomic methods reveal cell-type-specific synaptic molecules, advancing neuroscience research.

Keywords:
APEXBioIDSplit-TurboIDTurboIDastrocyteneuronproteomicssynapse

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Area of Science:

  • Neuroscience
  • Molecular Biology
  • Cell Biology

Background:

  • Synapses are crucial for neural circuits, impacting learning, memory, and emotions.
  • Synaptic diversity and connections with glial cells like astrocytes are vital for brain architecture and function.
  • Synaptic protein dysfunction is linked to neurological and psychiatric disorders.

Purpose of the Study:

  • To explore the molecular networks within synapses across different neuronal cell types.
  • To understand how the nervous system regulates brain function through synaptic connections.
  • To review novel spatial proteomic approaches for analyzing synaptic molecules.

Main Methods:

  • Fluorescence-activated synaptosome sorting (FASS)
  • Proximity labeling techniques
  • Spatial proteomic analysis of synaptic molecules in vivo

Main Results:

  • Detailed and spatial analysis of cell-type-specific synaptic molecules is now possible.
  • Novel insights into the regulation of synaptic formation and function have been gained.
  • Identification of molecular networks provides a deeper understanding of brain function.

Conclusions:

  • Spatial proteomic approaches offer powerful tools for synaptic research.
  • Understanding synaptic molecular networks is essential for deciphering brain function.
  • This knowledge can illuminate the mechanisms underlying neurological and psychiatric disorders.