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Cellular complexity in subcortical white matter: a distributed control circuit?

Jorge A Colombo1

  • 1Unidad de Neurobiología Aplicada, CEMIC-CONICET, Buenos Aires, Argentina. drjacolombo@yahoo.com.

Brain Structure & Function
|January 26, 2018
PubMed
Summary
This summary is machine-generated.

Subcortical white matter (SWM) may contain active neuronal-glial circuits. These circuits, involving interstitial cells, could critically regulate information transfer within the SWM.

Keywords:
Interstitial cellsPrimate white matterRanvier nodesSubcortical glial cells and neuronsSubcortical white matterWhite matter cells

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Area of Science:

  • Neuroscience
  • Cell Biology

Background:

  • Subcortical white matter (SWM) was traditionally viewed as passive tissue for information transfer.
  • Recent findings suggest SWM contains neuronal and glial cells expressing neurotransmitter and synaptic proteins.

Purpose of the Study:

  • To explore the potential role of subcortical neuronal-glial circuits in SWM function.
  • To investigate the influence of these circuits on information transfer within the SWM.

Main Methods:

  • Immunohistochemical analysis of SWM cells.
  • Electrophysiological studies on rat visual cortex.
  • Investigation of myelinating process regulation.

Main Results:

  • Evidence supports the existence of distributed, regionally variable neuronal-glial circuits in SWM.
  • These circuits involve interstitial neuronal and glial cells.

Conclusions:

  • Subcortical neuronal-glial circuits in SWM may actively regulate information transfer.
  • Traditionally inert interstitial cells might be crucial for SWM signal modulation.