GO:0005163 nerve growth factor receptor binding: Mechanism, Genes and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0005163 (nerve growth factor receptor binding) is a molecular function describing the binding of a ligand to a nerve growth factor receptor.
• The term covers interactions with high-affinity tropomyosin receptor kinase (Trk) receptors and the low-affinity p75 neurotrophin receptor (p75NTR).
• NGF receptor binding initiates signaling that controls neuronal survival, differentiation, and synaptic plasticity, and is also implicated in cancer and inflammation.
• Classic biochemical studies established that NGF receptor binding is sensitive to enzymes, ions, and protein reagents, defining the receptor as a proteinaceous, ligand-specific site.
• Receptor trafficking and activation kinetics determine the duration and specificity of downstream signals such as Shc-mediated Ras-MAPK activation.
• CRISPR-based knockout, point-mutation, knock-in, and overexpression models enable causal dissection of NGF receptor binding in disease and development.
Description
GO:0005163, nerve growth factor receptor binding, is a molecular function term that describes the selective interaction between a ligand and a nerve growth factor receptor. Nerve growth factor (NGF) is the founding member of the neurotrophin family, and its binding to receptors on the cell surface is the first committed step in a signaling cascade that regulates neuronal survival, differentiation, and plasticity. Because this binding event is both necessary and rate-limiting for NGF-dependent biology, it is a central node for researchers studying neurodevelopment, neurodegeneration, pain, inflammation, and cancer. The term is defined by the ligand-receptor interaction itself rather than by any single downstream pathway, making it a useful annotation for any protein that directly engages an NGF receptor. Historically, the existence of a specific NGF receptor binding site was demonstrated in sympathetic ganglia, and subsequent work showed that binding is influenced by enzymes, ions, and protein-modifying reagents, confirming the receptor as a protein with defined biochemical requirements. Modern studies have extended this concept to include receptor trafficking, activation kinetics, and adaptor recruitment, all of which are initiated by the binding event captured by GO:0005163.
nerve growth factor receptor binding At A Glance
| GO ID | GO:0005163 |
|---|---|
| GO term | nerve growth factor receptor binding |
| Ontology | molecular_function |
| Synonym | nerve growth factor receptor ligand; neurotrophin; NGF receptor binding |
| Definition | Binding to a nerve growth factor receptor. |
| Major function | Mediates the initial ligand-receptor interaction that initiates NGF-dependent signaling |
| Receptor types | High-affinity Trk receptors and low-affinity p75NTR |
| Biochemical sensitivity | Binding is influenced by enzymes, ions, and protein reagents |
| Downstream adaptors | Shc recruitment via phosphotyrosine interaction domain |
What Is GO:0005163?
In plain terms, GO:0005163 means the act of a molecule physically attaching to a nerve growth factor receptor. The QuickGO definition states: Binding to a nerve growth factor receptor. This molecular function is assigned when a gene product directly and selectively interacts with a receptor for nerve growth factor, including high-affinity Trk receptors and the low-affinity p75NTR receptor. The term does not describe the downstream signaling outcome; it describes the binding interaction itself.
Why Is nerve growth factor receptor binding Important in Cell Biology?
Nerve growth factor receptor binding is important because it is the molecular trigger for a broad spectrum of biological outcomes, from neuronal survival and differentiation to inflammatory signaling and tumor progression. Because the binding event is specific and measurable, it serves as an actionable target for therapeutic antibodies, small molecules, and CRISPR-based genetic models. Understanding this function helps researchers interpret disease mechanisms and design experiments that test causality rather than correlation.
• Controls neuronal survival and differentiation through NGF-dependent signaling.
• Regulates inflammatory responses in synovial fibroblasts via p75NTR.
• Promotes tumor growth and metastatic potential in triple-negative breast cancer.
• Is implicated in alcohol use disorders and neuroadaptation.
• Provides a target for anti-NGF monoclonal antibody therapeutics in pain and osteoarthritis.
• Defines the biochemical requirements for receptor engagement, including ion and protein-reagent sensitivity.
• Determines the kinetics of receptor trafficking and activation.
• Links to adaptor recruitment such as Shc through phosphotyrosine interactions.
• Enables CRISPR-based causal testing of receptor-ligand interactions in disease models.
• Supports biomarker and drug-discovery efforts targeting NGF receptor binding.
Molecular Mechanism of nerve growth factor receptor binding
Ligand recognition and initial binding
In simple terms: NGF binds to its receptor like a key fitting a lock.
The first step in nerve growth factor receptor binding is the specific recognition of NGF by its receptor on the cell surface. Early studies in sympathetic ganglia demonstrated saturable, specific binding sites for NGF, establishing the receptor as a distinct molecular entity. Subsequent biochemical work showed that this binding is sensitive to enzymes, ions, and protein reagents, indicating that the interaction depends on the receptor's protein structure and charge environment.
Receptor trafficking and activation kinetics
In simple terms: After binding, the receptor moves and sends signals in a timed way.
Following ligand engagement, the NGF receptor undergoes trafficking and activation with defined molecular kinetics. These kinetics determine how long signaling persists and whether the cell mounts a survival, differentiation, or inflammatory response. The binding event captured by GO:0005163 is therefore not static; it is coupled to dynamic membrane and intracellular sorting events.
Adaptor recruitment and downstream signaling
In simple terms: The receptor recruits helper proteins that relay the signal inside the cell.
A key consequence of nerve growth factor receptor binding is the recruitment of adaptor proteins such as Shc. Shc binding to the NGF receptor is mediated by its phosphotyrosine interaction domain, linking the binding event to Ras-MAPK and other downstream cascades. This step converts the extracellular binding interaction into intracellular biochemical signals that alter gene expression and cell behavior.
Receptor-type specificity: Trk versus p75NTR
In simple terms: Different receptors for NGF can trigger different outcomes.
NGF receptor binding can involve high-affinity Trk receptors or the low-affinity p75NTR receptor, and the receptor type influences the biological outcome. In synovial fibroblasts, proNGF and p75NTR activate inflammatory responses, showing that p75NTR binding is not merely a passive event. In triple-negative breast cancer cells, NGF receptor signaling increases tumor growth and metastatic potential, highlighting context-dependent outputs of receptor binding.
Biochemical modulation of binding
In simple terms: The binding can be turned up or down by chemical conditions.
The original characterization of NGF receptor binding showed that it is influenced by enzymes, ions, and protein reagents, which provided early evidence for the molecular requirements of the interaction. These findings remain relevant for assay design, because buffer composition and protein integrity can affect measured binding in biochemical and cell-based experiments.
Key Genes Involved in GO:0005163 nerve growth factor receptor binding
The following genes and proteins are directly or functionally linked to nerve growth factor receptor binding and its downstream biology.
| Gene | Major Role | Research Relevance |
|---|---|---|
| NGF | Ligand that binds nerve growth factor receptors | Central to neurotrophin signaling and pain studies |
| NTRK1 (TrkA) | High-affinity receptor for NGF | Mediates survival and differentiation signaling |
| NGFR (p75NTR) | Low-affinity neurotrophin receptor | Drives inflammatory responses in arthritis models |
| SHC1 | Adaptor recruited to NGF receptor | Links receptor binding to Ras-MAPK activation |
| SORT1 | Sortilin-related trafficking component | Modulates receptor trafficking and signaling |
| RAB5A | Endosomal trafficking regulator | Controls receptor internalization kinetics |
| MAPK1 | Downstream kinase in NGF signaling | Readout of receptor activation |
| MAPK3 | Downstream kinase in NGF signaling | Readout of receptor activation |
| PIK3CA | PI3K subunit in survival signaling | Survival pathway downstream of receptor binding |
| AKT1 | Survival kinase | Effector of NGF-dependent survival |
| CASP3 | Apoptosis executioner | p75NTR-dependent cell death readout |
| NFKB1 | Inflammatory transcription factor | p75NTR inflammatory signaling |
| IL6 | Inflammatory cytokine | Readout of p75NTR activation |
| TNF | Inflammatory cytokine | Readout of p75NTR activation |
| MMP9 | Matrix metalloproteinase | Metastasis-related output in cancer |
| VIM | Mesenchymal marker | Metastatic potential readout |
| CDH1 | Epithelial marker | Epithelial-mesenchymal transition readout |
How Is nerve growth factor receptor binding Regulated?
Nerve growth factor receptor binding is regulated at multiple levels. Receptor trafficking and activation kinetics control the duration and intensity of the binding-initiated signal. Adaptor recruitment, such as Shc binding through its phosphotyrosine interaction domain, provides a regulated node that couples receptor occupancy to downstream pathways. In disease contexts, proNGF and p75NTR can shift the balance toward inflammatory signaling, indicating that the identity of the ligand and receptor isoform regulates the outcome of binding. In cancer, NGF receptor signaling increases tumor growth and metastatic potential, suggesting that receptor availability and downstream amplification regulate the biological impact of binding. Therapeutic anti-NGF monoclonal antibodies can sequester the ligand and thereby modulate receptor binding in vivo.
nerve growth factor receptor binding and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| NGFR (p75NTR) | Inflammatory arthritis | Knockout or knockdown in synovial fibroblasts |
| NTRK1 (TrkA) | Triple-negative breast cancer | Overexpression and knockout in breast cancer cell lines |
| NGF | Alcohol use disorders | Conditional knockout in neuronal models |
| SHC1 | Ras-MAPK signaling | Point mutation of phosphotyrosine interaction domain |
| NGF | Pain and osteoarthritis | Anti-NGF antibody treatment in animal models |
Nerve growth factor receptor binding in cancer
NGF receptor signaling increases tumor growth and metastatic potential in triple-negative breast cancer cells, linking receptor binding to aggressive cancer phenotypes. This makes the binding event a potential target for therapeutic intervention and a biomarker of pathway activation.
Nerve growth factor receptor binding in inflammatory arthritis
ProNGF and its receptor p75NTR activate inflammatory responses in synovial fibroblasts, identifying a novel targetable mechanism in arthritis. This demonstrates that nerve growth factor receptor binding can drive inflammation, not only neuronal biology.
Nerve growth factor receptor binding in alcohol use disorders
NGF has been implicated in alcohol use disorders, where neurotrophin signaling contributes to neuroadaptation and behavioral changes. Receptor binding is therefore relevant to addiction research and central nervous system pharmacology.
Therapeutic modulation of NGF receptor binding
Bedinvetmab, a canine anti-NGF monoclonal antibody, has been evaluated for laboratory safety in dogs, illustrating that blocking NGF receptor binding is a viable therapeutic strategy. This supports the broader concept that modulating receptor binding can produce clinical benefit.
From nerve growth factor receptor binding-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does loss of NGF receptor binding reduce tumor growth? | NTRK1 or NGFR knockout in cancer cell lines |
| Does a specific residue mediate Shc recruitment? | SHC1 point mutation knock-in |
| Can receptor trafficking be tracked in live cells? | Tagged knock-in of NTRK1 or NGFR |
| Does p75NTR drive inflammatory cytokine release? | NGFR overexpression in synovial fibroblasts |
| Does anti-NGF antibody block receptor binding in vivo? | Animal model treated with anti-NGF monoclonal antibody |
| Does NGF receptor binding modulate alcohol-related behavior? | Conditional knockout in neuronal circuits |
How to Study the nerve growth factor receptor binding Process
| Method | What It Measures | Typical Application |
|---|---|---|
| Radioligand binding assay | Affinity and specificity of receptor binding | Receptor characterization |
| Enzyme/ion sensitivity assay | Biochemical requirements for binding | Assay optimization |
| Live-cell imaging | Receptor trafficking and activation kinetics | Dynamic signaling studies |
| Co-immunoprecipitation | Adaptor recruitment such as Shc | Signal transduction mapping |
| Phospho-MAPK immunoblot | Downstream kinase activation | Pathway validation |
| Cytokine ELISA | Inflammatory output of p75NTR | Arthritis research |
| Metastasis assay | Tumor growth and metastatic potential | Cancer research |
| Anti-NGF antibody safety panel | In vivo modulation of receptor binding | Therapeutic development |
Binding assays and biochemical characterization
Classic binding assays using radiolabeled NGF or receptor fragments can measure affinity, specificity, and the effects of enzymes, ions, and protein reagents. These methods remain foundational for validating receptor-ligand interactions and for quality control of recombinant proteins.
Trafficking and activation kinetics
Live-cell imaging and biochemical pulse-chase experiments can resolve the molecular kinetics of NGF receptor trafficking and activation. Such approaches reveal how binding duration and receptor sorting shape downstream signaling.
Adaptor recruitment and signaling readouts
Co-immunoprecipitation, phosphotyrosine blotting, and MAPK assays can detect Shc recruitment and downstream pathway activation following receptor binding. These readouts connect the binding event to functional outcomes.
Disease-relevant functional assays
Inflammatory cytokine profiling in synovial fibroblasts and metastasis assays in breast cancer cells provide disease-relevant readouts of NGF receptor binding. Anti-NGF antibody safety and efficacy studies in dogs illustrate translational evaluation of binding modulation.
How CRISPR Can Be Used to Study GO:0005163 nerve growth factor receptor binding
Knockout
CRISPR knockout of NTRK1, NGFR, or SHC1 can eliminate nerve growth factor receptor binding or its immediate downstream signaling, enabling causal tests of receptor function in cancer, inflammation, and neuronal models.
Point Mutation
Point mutations in the phosphotyrosine interaction domain of SHC1 or in receptor binding interfaces can dissect which residues are required for nerve growth factor receptor binding and adaptor recruitment.
Knock-in
Tagged knock-in of NTRK1 or NGFR allows tracking of receptor trafficking and activation kinetics in live cells, directly linking binding to dynamic cellular behavior.
Overexpression
Overexpression of NGFR or NTRK1 in synovial fibroblasts or breast cancer cells can amplify nerve growth factor receptor binding and reveal inflammatory or metastatic outputs.
How EDITGENE Supports nerve growth factor receptor binding Research
Researchers studying nerve growth factor receptor binding-related genes often need to determine whether a candidate gene is causally involved in receptor engagement, downstream signaling, or disease phenotypes. EDITGENE provides CRISPR-based cell model services that enable precise knockout, point mutation, knock-in, and overexpression of genes such as NTRK1, NGFR, and SHC1, supported by library screening and bioinformatics.
Contact EDITGENE today to design your custom CRISPR model for nerve growth factor receptor binding research.
Related Products
| Product name | Cat.No. | Species | Gene ID | |
|---|---|---|---|---|
| NTF3 Knockout HEK293 Cell Line | EDJ-KQ212 | Human | 4908 | Details Get a Quote |
| BDNF Knockout HEK293 Cell Line | EDJ-KQ612 | Human | 627 | Details Get a Quote |
| NGF Knockout HEK293 Cell Line | EDJ-KQ715 | Human | 4803 | Details Get a Quote |
| NTF4 Knockout HEK293 Cell Line | EDJ-KQ718 | Human | 4909 | Details Get a Quote |
| BEX3 Knockout HEK293 Cell Line | EDJ-KQ3055 | Human | 27018 | Details Get a Quote |
| BDNF Knockout A-549 Cell Line | EDJ-KQ19073 | Human | 627 | Details Get a Quote |
| BDNF Knockout HCT 116 Cell Line | EDJ-KQ19074 | Human | 627 | Details Get a Quote |
| BDNF Knockout HeLa Cell Line | EDJ-KQ19075 | Human | 627 | Details Get a Quote |
| NGF Knockout A-549 Cell Line | EDJ-KQ19328 | Human | 4803 | Details Get a Quote |
| NGF Knockout HeLa Cell Line | EDJ-KQ19329 | Human | 4803 | Details Get a Quote |
| NTF4 Knockout A-549 Cell Line | EDJ-KQ19339 | Human | 4909 | Details Get a Quote |
| NTF4 Knockout HCT 116 Cell Line | EDJ-KQ19340 | Human | 4909 | Details Get a Quote |
| BEX3 Knockout A-549 Cell Line | EDJ-KQ24310 | Human | 27018 | Details Get a Quote |
| BEX3 Knockout HCT 116 Cell Line | EDJ-KQ24311 | Human | 27018 | Details Get a Quote |
| BEX3 Knockout HeLa Cell Line | EDJ-KQ24312 | Human | 27018 | Details Get a Quote |
Displaying Records 1 To 15 Of 21 Records
Frequently Asked Questions About nerve growth factor receptor binding
What is nerve growth factor receptor binding?
Nerve growth factor receptor binding (GO:0005163) is the molecular function of a ligand physically attaching to a nerve growth factor receptor, as defined by QuickGO.
What genes are involved in nerve growth factor receptor binding?
Key genes include NGF, NTRK1 (TrkA), NGFR (p75NTR), and SHC1, which mediate ligand binding, receptor activation, and adaptor recruitment.
What is the GO ID for nerve growth factor receptor binding?
The GO ID is GO:0005163, a molecular_function term.
How is nerve growth factor receptor binding regulated?
It is regulated by receptor trafficking and activation kinetics, adaptor recruitment, ligand identity, and therapeutic antibodies that sequester NGF.
Why is nerve growth factor receptor binding important in cancer?
NGF receptor signaling increases tumor growth and metastatic potential in triple-negative breast cancer cells, making binding a potential therapeutic target.
Is nerve growth factor receptor binding involved in inflammation?
Yes, proNGF and p75NTR activate inflammatory responses in synovial fibroblasts, linking binding to arthritis mechanisms.
What methods study nerve growth factor receptor binding?
Radioligand binding assays, live-cell imaging, co-immunoprecipitation, phospho-MAPK immunoblotting, and cytokine ELISA are commonly used.
Can CRISPR be used to study nerve growth factor receptor binding?
Yes, CRISPR knockout, point mutation, knock-in, and overexpression models can dissect receptor binding and downstream signaling.
What diseases are linked to nerve growth factor receptor binding?
Cancer, inflammatory arthritis, alcohol use disorders, and pain conditions have been linked to NGF receptor binding.
What is the difference between TrkA and p75NTR in NGF receptor binding?
TrkA is a high-affinity receptor that promotes survival and differentiation, while p75NTR is a low-affinity receptor that can drive inflammatory or apoptotic responses.
Conclusion
GO:0005163 nerve growth factor receptor binding is a fundamental molecular function that initiates diverse biological outcomes, from neuronal survival to inflammation and cancer progression. Its biochemical requirements, trafficking kinetics, and adaptor recruitment have been characterized in classic and modern studies. CRISPR-based models now allow researchers to test causality and develop targeted interventions for diseases driven by NGF receptor binding.
References
- 1. Krautmann M et al.. 2021. Laboratory safety evaluation of bedinvetmab, a canine anti-nerve growth factor monoclonal antibody, in dogs.. Vet J 276:105733 PMID: 34391918
- 2. Farina L et al.. 2022. Pro Nerve Growth Factor and Its Receptor p75NTR Activate Inflammatory Responses in Synovial Fibroblasts: A Novel Targetable Mechanism in Arthritis.. Front Immunol 13:818630 PMID: 35309353
- 3. Wu R et al.. 2021. Nerve growth factor receptor increases the tumor growth and metastatic potential of triple-negative breast cancer cells.. Oncogene 40(12):2165-2181 PMID: 33627781
- 4. Ceci FM et al.. 2021. Nerve Growth Factor in Alcohol Use Disorders.. Curr Neuropharmacol 19(1):45-60 PMID: 32348226
- 5. Banerjee SP et al.. 1973. Binding of nerve growth factor receptor in sympathetic ganglia.. Proc Natl Acad Sci U S A 70(9):2519-23 PMID: 4517666
- 6. Banerjee SP et al.. 1975. Nerve growth factor receptor binding. Influence of enzymes, ions, and protein reagents.. J Biol Chem 250(4):1427-33 PMID: 803504
- 7. Jullien J et al.. 2002. Molecular kinetics of nerve growth factor receptor trafficking and activation.. J Biol Chem 277(41):38700-8 PMID: 12055187
- 8. Dikic I et al.. 1995. Shc binding to nerve growth factor receptor is mediated by the phosphotyrosine interaction domain.. J Biol Chem 270(25):15125-9 PMID: 7541035
