Related Experiment Video
Updated: Oct 22, 2025

Visualizing Shifts on Neuron-Glia Circuit with the Calcium Imaging Technique
Published on: April 8, 2022
Charging Up the Periphery: Glial Ionic Regulation in Sensory Perception.
Sneha Ray1,2, Aakanksha Singhvi1,2,3
1Division of Basic Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, United States.
Peripheral nervous system (PNS) glia actively regulate sensory perception by modulating ion concentrations. Understanding these glial functions is crucial for sensorineural health, disease, and aging.
Area of Science:
- Neuroscience
- Cell Biology
- Sensory Systems Biology
Background:
- The peripheral nervous system (PNS) transmits environmental sensory stimuli to the central nervous system (CNS).
- Dysfunction in peripheral sense organs contributes to sensory deficits, neurological disorders, and aging.
- PNS comprises neurons and glia, with glia traditionally known for modulating ionic concentrations.
Purpose of the Study:
- To review current knowledge on how non-myelinating PNS glia regulate the ionic environment around sensory cell endings.
- To explore the role of glial ionic regulation in sensory perception and information processing.
Main Methods:
- Review of molecular studies across species and sensory systems.
- Analysis of existing literature on PNS glial cell functions.
Main Results:
- PNS glial ionic regulation appears to actively modulate sensory perception, not just maintain homeostasis.
- PNS glia may actively contribute to sensorineural information processing.
Conclusions:
- PNS glia play a more active role in sensory processing than previously thought.
- Further molecular investigation into PNS glial ionic regulation is essential for understanding sensorineural health and disease.
More Related Videos
Related Concept Videos
Ligand-Gated Ion Channel Receptor: Gating Mechanism
Nervous Tissue: Glial Cells
The CNS glial cell includes the astrocytes, the oligodendrocytes, the microglia, and the ependymal cells.
Astrocytes are star-shaped glial...
Glial Cells
The Role of Ion Channels in Neuronal Computation
Sometimes a single EPSP is strong enough to induce an action potential in the postsynaptic neuron. However, multiple presynaptic inputs must often create EPSPs around the same time for the postsynaptic neuron to be sufficiently depolarized to fire an action potential....
G-Protein Gated Ion Channels
Sensory...
Neurogenesis and Regeneration of Nervous Tissue

