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Using Primary Neurosphere Cultures to Study Primary Cilia
Published on: April 14, 2017
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Neuron cilia restrain glial KCC-3 to a microdomain to regulate multisensory processing
Sneha Ray1, Pralaksha Gurung1, R Sean Manning2
1Division of Basic Sciences, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA; Neuroscience Graduate Program, University of Washington, Seattle, WA 98195, USA.
Cell Reports
|February 29, 2024
Summary
Single glial cells show specific interactions with different neurons. Glial K/Cl transporter KCC-3 localization regulates thermosensory and chemosensory neuron properties, revealing a conserved mechanism for neural information processing.
Area of Science:
- Neuroscience
- Cell Biology
- Glial Biology
Background:
- Glia interact with numerous neurons, but the specificity of these interactions is not fully understood.
- Investigating glial-neuronal communication at single-cell resolution is crucial for understanding neural circuit function.
Purpose of the Study:
- To determine if a single glial cell interacts differently with distinct neurons it contacts.
- To elucidate the molecular mechanisms underlying glial-neuronal specificity.
Main Methods:
- Single-cell resolution imaging and analysis in C. elegans.
- Investigating the localization and function of the K/Cl transporter KCC-3 in amphid sheath (AMsh) glia.
- Assessing the impact of KCC-3 mislocalization on neuronal properties.
Main Results:
- A single AMsh glial cell exhibits specific localization of KCC-3 to microdomains contacting the thermosensory AFD neuron.
- Non-AFD neuron cilia constrain glial KCC-3 to AFD-contacting membranes.
- Altered KCC-3 localization affects both thermosensory (AFD) and chemosensory (non-AFD) neuron functions.
Conclusions:
- Neurons can engage in non-synaptic interactions via shared glia by regulating glial cue microdomain localization.
- Compartmentalization of cues like KCC-3 by glia may be a conserved mechanism for modulating information processing in multimodal circuits.
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