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Imaging Analysis of Neuron to Glia Interaction in Microfluidic Culture Platform (MCP)-based Neuronal Axon and Glia Co-culture System
Published on: October 14, 2012
Glial regulation of neuronal function: from synapse to systems physiology
J G Tasker1, S H R Oliet, J S Bains
1Neurobiology Division, Department of Cell and Molecular Biology, Tulane University, New Orleans, LA, USA.
Journal of Neuroendocrinology
|December 2, 2011
Summary
Glia actively regulate neuronal communication in the brain. This review explores how glial cells in the magnocellular neuroendocrine system modulate neuronal activity through various mechanisms, impacting hormones like oxytocin and vasopressin.
Area of Science:
- Neuroscience
- Cell Biology
- Endocrinology
Background:
- Glia were traditionally viewed as passive support cells for neurons.
- Emerging evidence highlights glia's active role in modulating neuronal communication.
- The magnocellular neuroendocrine system provides a key model for studying glial-neuronal interactions.
Purpose of the Study:
- To review the historical development of understanding glial regulation of magnocellular neuron activity.
- To present recent findings on the mechanisms of glial modulation of neuronal activity.
- To explore the role of glia in coordinating magnocellular neuron population activity.
Main Methods:
- Historical review of anatomical plasticity in the hypothalamic paraventricular and supraoptic nuclei.
- Analysis of recent data on glial modulation mechanisms.
- Focus on gliotransmitter release, neurotransmitter transporter regulation, and ambient neurotransmitter levels.
Main Results:
- Glia modulate synaptic transmission via gliotransmitters.
- Glial regulation of neurotransmitter spillover impacts neuronal communication.
- Glia control ambient neurotransmitter levels affecting extrasynaptic receptors and neuronal excitability.
Conclusions:
- Glia are critical regulators of neuronal activity in the magnocellular neuroendocrine system.
- Multiple glial mechanisms contribute to the dynamic control of neuronal function.
- Glial regulation may coordinate magnocellular neuron populations for physiological adaptation.
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