Axon Glial Interactions
Axon Glial Interactions - Related Videos
09:19
Study Glial Cell Heterogeneity Influence on Axon Growth Using a New Coculture Method
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Cited by 5 •
2010
In this protocol, we described a new method to study the influence of glial cell heterogeneity on axon growth with an in vitro co-culture system. Rat cortical glial cells were cultured to confluence and cocultured with highly purified rat dorsal root ganglia neurons. Different glial cell influence on neurons adhesion and axon growth was compared directly in the same culture. This method provides a new way to directly study the glial cell heterogeneity influence on neuron adhesion and axon...
09:34
Imaging Analysis of Neuron to Glia Interaction in Microfluidic Culture Platform (MCP)-based Neuronal Axon and Glia Co-culture System
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Cited by 7 •
2012
This study describes the procedures of setting up a novel neuronal axon and (astro)glia co-culture platform. In this co-culture system, manipulation of direct interaction between a single axon (and single glial cell) becomes feasible, allowing mechanistic analysis of the mutual neuron to glial signaling.
09:46
An Ex Vivo Explant Model for Studying Glial Interactions in the Mouse Retina
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2025
Here, we provide a detailed methodology for isolating the retina from the mouse eye for extended ex vivo experimentation. This protocol emphasizes making this technically demanding approach accessible for researchers who would like to take advantage of the research avenues afforded by keeping retinal glia in situ in live tissue.
09:05
Motor Nerve Transection and Time-lapse Imaging of Glial Cell Behaviors in Live Zebrafish
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Cited by 14 •
2013
Although the peripheral nervous system (PNS) is capable of significant repair after injury, little is known about the cellular and molecular mechanisms that govern this phenomenon. Using live, transgenic zebrafish and a reproducible nerve transection assay, we can study dynamic glial cell behaviors during nerve degeneration and regeneration.
10:53
Visualizing the Live Drosophila Glial-neuromuscular Junction with Fluorescent Dyes
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Cited by 5 •
2009
We described structural features of the Glia-neuromuscular synapses in a novel Inside-out tissue preparation of live fly larvae using fluorescent dyes with confocal microscopy. We labeled live neuron terminals with fluorescent primary antibodies to HRP, and also visualized the perisynaptic space with fluorescent Dextrans.
FAQs
Myelin surrounds segments of an axon, while nodes of Ranvier provide locations where action potentials are regenerated. Their coordinated organization supports faster signal conduction along the axon than would occur without this insulating arrangement. Because glial cells establish and maintain these structures, axon-glial communication directly affects how efficiently neuronal signals travel through the nervous system.
Axonal signaling depends on controlled ionic conditions around the neuronal membrane. Glial cells help organize ion homeostasis, meaning they regulate the local balance of ions needed for electrical activity. This support complements myelin formation and metabolic assistance, allowing axons to maintain signaling and remain viable during normal nervous-system operation.
Oligodendrocytes participate in axon-glial interactions within the central nervous system, whereas Schwann cells serve this role in the peripheral nervous system. Both cell types ensheath axons with myelin, linking glial support to conduction speed. This distinction provides an important framework for comparing nervous-system regions and for interpreting disorders or repair processes affecting central versus peripheral nerves.
Disruption can affect myelin, ion homeostasis, metabolic support, or the organization of nodes of Ranvier. Any of these changes may impair conduction, reduce axonal survival, or alter responses to injury and inflammation. Consequently, studying these interactions helps researchers connect cellular communication with neurological disorders involving demyelination and with broader mechanisms of nervous-system damage.
Repair research must account for more than the axon itself because glial cells influence ensheathment, metabolic support, ion regulation, and signaling organization. Understanding these reciprocal relationships can guide investigations into nerve repair and neuroprotective therapies. The goal is to preserve axonal function and survival while addressing the surrounding cellular conditions that change after injury.
Engineered neural tissues need to reflect the cellular relationships that help axons conduct signals and remain functional. Incorporating the principles of axon-glial communication provides a biological context for considering myelin, metabolic support, ion homeostasis, and node organization. This research connection extends beyond disease studies by informing attempts to model or recreate functional nervous-system environments.