GO:0150098 glial cell-neuron signaling: Mechanism, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0150098 (glial cell-neuron signaling) is defined as cell-cell signaling that mediates the transfer of information from a glial cell to a neuron, mediated by molecules such as microglial cell-derived nerve growth factor (NGF) in the retina or microglial cell-derived superoxide ions in the cerebellum.
• This process is essential for nervous system development, function, and repair, and its dysregulation contributes to neuroinflammatory and neurodegenerative conditions.
• Key signaling molecules include CNTF, IL-6, NGF, superoxide ions, LPA, and purinergic transmitters, acting through STAT3 and other pathways.
• Schwann cell-neuron interactions regulate axon formation, myelination, and neuroprotection via adhesion molecules such as NCAM and CD44.
• Demyelination-related pain involves lysophosphatidic acid (LPA) in satellite glial cell-neuron crosstalk, highlighting therapeutic targets.
• CRISPR-based models (knockout, point mutation, knock-in, overexpression) enable causal dissection of glial-neuron signaling genes in vitro and in vivo.
Description
Glial cell-neuron signaling (GO:0150098) is a biological process that mediates the transfer of information from glial cells to neurons, a fundamental mechanism for nervous system development, homeostasis, and repair. This signaling is context-dependent, involving diverse molecules such as microglial cell-derived nerve growth factor (NGF) in the retina or superoxide ions in the cerebellum, as defined by QuickGO. Research has shown that glial cells actively communicate with neurons through secreted factors, adhesion molecules, and purinergic transmitters, influencing axon formation, myelination, and pain processing. Understanding this process is critical for uncovering the cellular basis of neuroinflammatory and neurodegenerative diseases, where disrupted glial-neuron communication contributes to pathology. Moreover, Schwann cell-neuron interactions regulate neural cell adhesion molecule (NCAM) expression and neuregulin signaling, underscoring the molecular complexity of these interactions. This article synthesizes authoritative QuickGO data and verified PubMed literature to provide a research-grade overview of GO:0150098, covering its mechanisms, key genes, disease relevance, and experimental models.
glial cell-neuron signaling At A Glance
| GO ID | GO:0150098 |
|---|---|
| GO term | glial cell-neuron signaling |
| Ontology | biological_process |
| Synonym | glial cell-neurone signalling, glial cell-neurone singaling, glial cell- neuron signalling, glia-neurone signaling, glia-neurone signalling, glia-neuron signaling, glia-neuron signalling |
| Major function | Transfer of information from glial cells to neurons via diverse molecules, influencing neuronal development, function, and repair |
| Definition source | QuickGO |
| Related processes | Cell-cell signaling, neuroinflammation, axon guidance, myelination, pain processing |
| Disease relevance | Neurodegeneration, neuroinflammatory pain, demyelination-related pain, peripheral neuropathies |
What Is GO:0150098?
GO:0150098 (glial cell-neuron signaling) refers to cell-cell signaling that mediates the transfer of information from a glial cell to a neuron. This signaling is mediated by various molecules depending on the glial cell type and tissue context, such as microglial cell-derived nerve growth factor (NGF) in the retina or microglial cell-derived superoxide ions in the cerebellum. It encompasses both direct contact-dependent and secreted-factor-mediated communication, and is essential for neuronal development, function, and survival.
Why Is glial cell-neuron signaling Important in Cell Biology?
Glial cell-neuron signaling is critical for nervous system development, maintenance, and repair, and its dysregulation is implicated in a range of neurological disorders. For example, neuroinflammation driven by glial-neuron crosstalk contributes to chronic pain and neurodegeneration. Schwann cell-neuron interactions are essential for axon protection and regeneration after injury. Moreover, dysregulated signaling between satellite glial cells and neurons underlies demyelination-related pain through lysophosphatidic acid. Thus, understanding GO:0150098 provides mechanistic insights into disease pathogenesis and identifies potential therapeutic targets.
• Essential for axon formation and guidance during development.
• Regulates myelination and axo-protection after nerve injury.
• Mediates neuroinflammatory cascades via CNTF-STAT3-IL-6 axis.
• Involved in pain processing through purinergic transglial signaling.
• Dysregulated in demyelination-related pain via LPA signaling.
• Modulates neural cell adhesion molecule (NCAM) expression.
• Enhances neuregulin signaling through CD44 in Schwann cells.
• Contributes to neuroinflammation and chronic pain.
• Potential target for treating peripheral neuropathies and neurodegenerative diseases.
• Provides a basis for CRISPR-based disease modeling and drug discovery.
What Happens During glial cell-neuron signaling?
Initiation by Glial-Derived Signals
In simple terms: Glial cells release molecules that act on nearby neurons.
Glial cell-neuron signaling begins with the release of signaling molecules from glial cells. These molecules include microglial cell-derived nerve growth factor (NGF) in the retina and superoxide ions in the cerebellum, as defined by QuickGO. In Schwann cells, CNTF and IL-6 are released to initiate neuroinflammatory cascades. Satellite glial cells release lysophosphatidic acid (LPA) in demyelination-related pain. Purinergic transmitters such as ATP mediate transglial signaling between neuron somata in the dorsal root ganglion.
Reception and Transduction in Neurons
In simple terms: Neurons receive the signal and activate internal pathways.
Neurons respond to glial-derived signals through specific receptors and intracellular pathways. For example, CNTF activates STAT3 signaling in neurons, leading to IL-6 production and amplification of neuroinflammation. Purinergic signaling involves activation of purinergic receptors on neurons, mediating cross-excitation. LPA acts on neuronal receptors to modulate pain sensitivity. These transduction events often involve second messengers and kinase cascades that alter neuronal excitability, gene expression, and survival.
Adhesion and Contact-Dependent Signaling
In simple terms: Direct contact between glial cells and neurons also transmits signals.
Cell adhesion molecules mediate contact-dependent glial-neuron signaling. Neural cell adhesion molecule (NCAM) expression is regulated by Schwann cell-neuron interactions in culture. CD44 enhances neuregulin signaling by Schwann cells, promoting axon-glial interactions. Radial glial cell-neuron interaction directs axon formation at the opposite side of the neuron from the contact site. These contact-dependent mechanisms are crucial for axon guidance and myelination.
Modulation of Neuronal Function and Repair
In simple terms: The signaling changes how neurons grow, survive, or repair.
Glial cell-neuron signaling modulates neuronal function and repair. Schwann cells are axo-protective after injury irrespective of myelination status in mouse Schwann cell-neuron cocultures. Neuroinflammatory signaling via CNTF-STAT3-IL-6 axis contributes to pain and neurodegeneration. LPA-mediated satellite glial cell-neuron crosstalk is implicated in demyelination-related pain. These outcomes highlight the therapeutic potential of targeting glial-neuron communication.
Key Genes Involved in GO:0150098 glial cell-neuron signaling
The following genes and proteins are key players in glial cell-neuron signaling, as supported by verified literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| CNTF | Glial-derived cytokine initiating STAT3 signaling | Neuroinflammatory cascade |
| STAT3 | Transcription factor mediating CNTF signaling | Neuroinflammation and pain |
| IL6 | Pro-inflammatory cytokine released by neurons | Amplifies glial-neuron signaling |
| NGF | Microglial-derived neurotrophic factor | Retinal signaling (QuickGO) |
| LPAR1 | Receptor for lysophosphatidic acid | Demyelination-related pain |
| P2RX | Purinergic receptor mediating transglial signaling | Pain processing |
| NCAM1 | Neural cell adhesion molecule | Schwann cell-neuron interactions |
| CD44 | Cell surface glycoprotein enhancing neuregulin signaling | Schwann cell signaling |
| NRG1 | Neuregulin 1 | Schwann cell-neuron signaling |
| L1CAM | Cell adhesion molecule | Axon formation |
| GAP43 | Growth-associated protein | Axon formation |
| SOX10 | Transcription factor in Schwann cells | Myelination and repair |
| MPZ | Myelin protein zero | Schwann cell-neuron cocultures |
| S100B | Glial marker | Schwann cell-neuron interactions |
| GFAP | Glial fibrillary acidic protein | Astrocyte-neuron signaling |
| ATP | Purinergic transmitter | Transglial signaling |
| SUPEROXIDE | Microglial-derived signaling molecule | Cerebellar signaling (QuickGO) |
How Is glial cell-neuron signaling Regulated?
Glial cell-neuron signaling is regulated at multiple levels. The CNTF-STAT3-IL-6 axis forms a positive feedback loop that amplifies neuroinflammatory signaling across Schwann cells, neurons, and microglia. Purinergic signaling is modulated by extracellular ATP levels and ectonucleotidase activity. LPA production and degradation regulate satellite glial cell-neuron crosstalk in demyelination-related pain. Additionally, adhesion molecules such as NCAM and CD44 are dynamically regulated by Schwann cell-neuron contact, influencing neuregulin signaling. These regulatory mechanisms ensure context-dependent signaling outcomes.
glial cell-neuron signaling and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| CNTF | Neuroinflammatory pain | Knockout mouse, Schwann cell-neuron coculture |
| STAT3 | Neuroinflammation | Conditional knockout, point mutation |
| IL6 | Pain hypersensitivity | Overexpression, knockout |
| LPAR1 | Demyelination-related pain | Knockout, knock-in reporter |
| P2RX | Pain processing | Point mutation, knockout |
Neuroinflammatory Pain
Glial cell-neuron signaling is a key driver of neuroinflammatory pain. The CNTF-STAT3-IL-6 axis mediates a neuroinflammatory cascade across Schwann cells, neurons, and microglia, contributing to pain hypersensitivity. Purinergic transglial signaling between neuron somata in the dorsal root ganglion enhances pain transmission. Neuroinflammation is both an alarm and a curse in pain pathology.
Demyelination-Related Pain
Demyelination-related pain involves lysophosphatidic acid (LPA) in satellite glial cell-neuron crosstalk. LPA signaling from satellite glial cells to neurons contributes to pain in demyelinating conditions. This highlights the therapeutic potential of targeting LPA receptors.
Neurodegeneration and Axon Repair
Schwann cells are axo-protective after injury irrespective of myelination status, indicating that glial-neuron signaling supports axon survival and regeneration. Radial glial cell-neuron interaction directs axon formation, a process critical for neural development and repair. Dysregulation of these pathways may contribute to neurodegenerative diseases.
From glial cell-neuron signaling-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does CNTF drive neuroinflammation? | CNTF knockout mouse |
| How does STAT3 mediate glial-neuron signaling? | STAT3 conditional knockout |
| What is the role of LPA in demyelination pain? | LPAR1 knockout or knock-in |
| Does CD44 enhance neuregulin signaling? | CD44 overexpression in Schwann cells |
| How does NCAM regulate axon formation? | NCAM1 knockout in radial glia-neuron coculture |
| Can purinergic signaling be targeted for pain? | P2RX point mutation knock-in |
How to Study the glial cell-neuron signaling Process
| Method | What It Measures | Typical Application |
|---|---|---|
| RNA-seq | Gene expression changes | Glial-neuron co-culture transcriptomics |
| Proteomics | Protein abundance and modifications | STAT3 pathway activation |
| Phosphoproteomics | Kinase signaling | CNTF-STAT3-IL-6 axis |
| Live-cell imaging | Real-time signaling dynamics | Purinergic transmission |
| CRISPR screen | Gene function | Identify regulators of axon protection |
| Co-immunoprecipitation | Protein-protein interactions | CD44-neuregulin complexes |
| Patch-clamp electrophysiology | Neuronal excitability | Purinergic signaling |
Transcriptomic Profiling
RNA-seq of glial and neuronal cells after co-culture or injury can reveal changes in gene expression underlying glial-neuron signaling. For example, NCAM expression is regulated by Schwann cell-neuron interactions.
Proteomic and Phosphoproteomic Analysis
Mass spectrometry-based proteomics can identify secreted factors and post-translational modifications in glial-neuron signaling pathways, such as STAT3 phosphorylation.
Live-Cell Imaging
Fluorescent reporters and calcium imaging can track signaling dynamics between glial cells and neurons in real time, including purinergic transmission.
CRISPR Screening
Genome-wide CRISPR knockout screens in co-culture systems can identify novel regulators of glial cell-neuron signaling, such as genes required for axon protection.
How CRISPR Can Be Used to Study GO:0150098 glial cell-neuron signaling
Knockout
CRISPR knockout of genes such as CNTF, STAT3, or LPAR1 in glial or neuronal cells can abolish specific signaling pathways, enabling causal tests of their role in neuroinflammation and pain.
Point Mutation
Point mutations can be introduced to mimic disease-associated variants or to disable specific phosphorylation sites, such as in STAT3, to dissect signaling mechanisms.
Knock-in
Knock-in of fluorescent reporters (e.g., GFP) into endogenous loci like NCAM1 or CD44 allows real-time tracking of protein localization and dynamics during glial-neuron signaling.
Overexpression
Overexpression of signaling molecules such as CD44 or neuregulin in Schwann cells can enhance glial-neuron signaling and promote axon protection, providing gain-of-function models.
How EDITGENE Supports glial cell-neuron signaling Research
Researchers studying glial cell-neuron signaling-related genes often need to determine whether a candidate gene is causally involved in signaling, disease, or repair. EDITGENE provides comprehensive CRISPR-based services to accelerate this discovery.
Contact EDITGENE today to design your custom CRISPR model for glial cell-neuron signaling research.
Frequently Asked Questions About glial cell-neuron signaling
What is glial cell-neuron signaling?
Glial cell-neuron signaling (GO:0150098) is cell-cell signaling that mediates the transfer of information from a glial cell to a neuron, mediated by molecules such as NGF or superoxide ions.
What genes are involved in glial cell-neuron signaling?
Key genes include CNTF, STAT3, IL6, NGF, LPAR1, P2RX, NCAM1, CD44, and NRG1.
How does glial cell-neuron signaling contribute to pain?
It mediates neuroinflammatory and demyelination-related pain through pathways like CNTF-STAT3-IL-6 and LPA signaling.
What is the role of Schwann cells in glial cell-neuron signaling?
Schwann cells release factors like CNTF and IL-6, and interact with neurons via adhesion molecules to regulate axon protection and myelination.
What diseases are associated with glial cell-neuron signaling?
Neuroinflammatory pain, demyelination-related pain, and neurodegeneration.
How can CRISPR be used to study glial cell-neuron signaling?
CRISPR knockout, point mutation, knock-in, and overexpression models enable causal dissection of signaling genes in co-culture systems.
What methods are used to study glial cell-neuron signaling?
RNA-seq, proteomics, live-cell imaging, and CRISPR screens.
What is the CNTF-STAT3-IL-6 axis?
A neuroinflammatory cascade across Schwann cells, neurons, and microglia that amplifies pain signaling.
How does LPA mediate satellite glial cell-neuron crosstalk?
LPA released from satellite glial cells acts on neuronal receptors to contribute to demyelination-related pain.
What is the role of purinergic signaling in glial cell-neuron communication?
Purinergic transmitters like ATP mediate transglial signaling between neuron somata in the dorsal root ganglion, influencing pain processing.
Conclusion
Glial cell-neuron signaling (GO:0150098) is a multifaceted biological process essential for nervous system development, function, and repair. Dysregulation of this signaling contributes to neuroinflammatory and demyelination-related pain, making it a promising therapeutic target. CRISPR-based models and advanced omics technologies are invaluable for dissecting the molecular players and pathways involved. EDITGENE offers comprehensive services to accelerate research in this field.
References
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- 2. Xu C et al.. 2015. Radial Glial Cell-Neuron Interaction Directs Axon Formation at the Opposite Side of the Neuron from the Contact Site.. J Neurosci 35(43):14517-32 PMID: 26511243
- 3. Hu Z et al.. 2020. CNTF-STAT3-IL-6 Axis Mediates Neuroinflammatory Cascade across Schwann Cell-Neuron-Microglia.. Cell Rep 31(7):107657 PMID: 32433966
- 4. Mutschler C et al.. 2023. Schwann cells are axo-protective after injury irrespective of myelination status in mouse Schwann cell-neuron cocultures.. J Cell Sci 136(18) PMID: 37642648
- 5. Seilheimer B et al.. 1989. Neural cell adhesion molecule expression is regulated by Schwann cell-neuron interactions in culture.. J Cell Biol 108(5):1909-15 PMID: 2715182
- 6. Rozanski GM et al.. 2013. Purinergic transmission and transglial signaling between neuron somata in the dorsal root ganglion.. Eur J Neurosci 37(3):359-65 PMID: 23216714
- 7. Saab CY et al.. 2008. Alarm or curse? The pain of neuroinflammation.. Brain Res Rev 58(1):226-35 PMID: 18486228
- 8. Sherman LS et al.. 2000. CD44 enhances neuregulin signaling by Schwann cells.. J Cell Biol 150(5):1071-84 PMID: 10973996
