GO:0071364 cellular response to epidermal growth factor stimulus: Signaling Pathway, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0071364 describes all cellular changes triggered by epidermal growth factor (EGF), including movement, secretion, enzyme production, and gene expression.
• The pathway begins with EGF binding to the EGFR receptor, leading to receptor dimerization, autophosphorylation, and activation of downstream cascades such as ERK and AKT.
• Key genes include EGFR, ERK, GOLM1, and MENA, which regulate mitogenesis, cytoskeletal dynamics, and metastasis.
• Dysregulation of this response is implicated in cancers, atherosclerosis, and metastatic progression.
• CRISPR knockout, point mutation, knock-in, and overexpression models enable precise dissection of EGF signaling components.
• Advanced methods like proximity-dependent proteomics and DNA hydrogel mesh systems are used to study spatiotemporal dynamics of EGF responses.
Description
The cellular response to epidermal growth factor stimulus (GO:0071364) encompasses the intricate set of molecular events that occur when a cell encounters epidermal growth factor (EGF). This process is fundamental to understanding how cells interpret external signals to drive proliferation, migration, and survival. EGF is a potent mitogen that binds to the EGF receptor (EGFR), a receptor tyrosine kinase, initiating a signaling cascade that alters gene expression, enzyme activity, and cellular behavior. Researchers study this term to unravel mechanisms of normal tissue homeostasis and pathological conditions such as cancer and atherosclerosis. The QuickGO definition states that it is any process that results in a change in state or activity of a cell as a result of an EGF stimulus. This broad definition underscores the pleiotropic effects of EGF, from immediate cytoskeletal rearrangements to long-term transcriptional reprogramming. Understanding GO:0071364 is critical for developing targeted therapies, as aberrant EGF signaling is a hallmark of many diseases.
cellular response to epidermal growth factor stimulus At A Glance
| GO ID | GO:0071364 |
|---|---|
| GO term | cellular response to epidermal growth factor stimulus |
| Ontology | biological_process |
| Synonym | cellular response to EGF stimulus |
| Major function | Mediates cellular changes in movement, secretion, enzyme production, and gene expression in response to EGF |
| Key receptor | EGFR (Epidermal Growth Factor Receptor) |
| Downstream pathways | ERK, AKT, and cytoskeletal remodeling |
| Associated diseases | Cancer, atherosclerosis, metastasis |
What Is GO:0071364?
In simple terms, GO:0071364 refers to everything a cell does in response to EGF, from moving and secreting substances to turning genes on or off. According to QuickGO, it is any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an epidermal growth factor stimulus. This includes the initial binding of EGF to its receptor, the activation of intracellular signaling pathways, and the subsequent cellular outcomes such as proliferation, differentiation, or migration.
Why Is cellular response to epidermal growth factor stimulus Important in Cell Biology?
GO:0071364 is pivotal because EGF signaling controls fundamental cell fate decisions, and its dysregulation drives numerous pathologies. For instance, GOLM1 promotes atherogenesis by activating macrophage EGFR-ERK signaling, directly linking this GO term to cardiovascular disease. In cancer, EGF and its receptor are often overexpressed or mutated, leading to uncontrolled proliferation and metastasis. Understanding the precise molecular steps of this response is essential for designing targeted therapies, such as monoclonal antibodies like panitumumab that block EGFR signaling. Moreover, the dynamics of EGF-induced processes, such as the formation of flat clathrin lattices, reveal how cells spatially and temporally organize their response. Thus, GO:0071364 is a cornerstone for both basic cell biology and translational medicine.
• Regulates cell proliferation and survival, making it a key driver of tumor growth.
• Controls cytoskeletal reorganization and cell migration, contributing to metastasis.
• Plays a role in atherosclerosis by promoting macrophage activation.
• Influences secretion and enzyme production, affecting tissue remodeling.
• Is a target for cancer therapies like panitumumab, which depends on RAS/BRAF genotype.
• Involved in normal development and wound healing.
• Dysregulation can lead to fibrotic diseases and chronic inflammation.
• Serves as a model for studying receptor tyrosine kinase signaling dynamics.
• Enables spatiotemporal control of antimetastasis therapy via DNA hydrogel systems.
• Provides insights into hormone and growth factor responses in serum-free culture.
What Happens During cellular response to epidermal growth factor stimulus?
EGF Binding and Receptor Activation
In simple terms: EGF docks onto its receptor on the cell surface, causing the receptor to pair up and activate itself.
The response begins when EGF binds to the extracellular domain of EGFR, inducing receptor dimerization and autophosphorylation of tyrosine residues in the intracellular domain. This activation creates docking sites for adaptor proteins, initiating downstream signaling. The relative mitogenic potency of EGF versus TGF-alpha is influenced by receptor-mediated effects on ligand availability.
Downstream Signaling Cascades
In simple terms: Activated receptors trigger a relay of proteins that carry the signal to the nucleus and other parts of the cell.
Phosphorylated EGFR recruits proteins like GRB2 and SOS, activating RAS and the ERK MAP kinase cascade. This leads to phosphorylation of transcription factors and changes in gene expression. Additionally, the PI3K-AKT pathway is activated, promoting survival and metabolism. GOLM1 has been shown to activate macrophage EGFR-ERK signaling, linking this cascade to atherogenesis.
Cytoskeletal Remodeling and Cell Movement
In simple terms: The cell rearranges its internal skeleton to move or change shape in response to EGF.
EGF stimulation induces the formation of flat clathrin lattices, which are involved in endocytosis and cell adhesion dynamics. MENA, a protein involved in actin polymerization, is regulated by EGF signaling and contributes to metastasis by enhancing cell motility. These cytoskeletal changes are essential for processes like wound healing and cancer invasion.
Gene Expression and Cellular Outcomes
In simple terms: The signal reaches the nucleus, turning genes on or off to change the cell's behavior over time.
Activated ERK translocates to the nucleus and phosphorylates transcription factors such as ELK1, leading to expression of immediate early genes like FOS and MYC. This transcriptional reprogramming drives proliferation, differentiation, or other fate decisions. In keratinocytes, EGF and other growth factors support clonal proliferation in serum-free medium, demonstrating the mitogenic effects.
Spatiotemporal Regulation and Feedback
In simple terms: The cell tightly controls when and where the signal is active, using feedback loops to shut it off.
The EGF response is modulated by receptor internalization and degradation, as well as by phosphatases that dephosphorylate key components. Proximity-dependent proteomics has revealed dynamic interactions of adenylyl cyclase isoforms in cardiomyocytes, highlighting the complexity of spatiotemporal signaling. Novel DNA hydrogel mesh systems allow focused antimetastasis therapy by controlling the release of EGF-related inhibitors.
Key Genes Involved in GO:0071364 cellular response to epidermal growth factor stimulus
The following genes and proteins are central to the cellular response to EGF and are frequently studied in this context.
| Gene | Major Role | Research Relevance |
|---|---|---|
| EGFR | Receptor tyrosine kinase that binds EGF and initiates signaling | Targeted by drugs like panitumumab; mutations drive cancer |
| ERK | Downstream kinase that transmits signals to nucleus | Key mediator of proliferation; activated by GOLM1 in atherosclerosis |
| GOLM1 | Promotes atherogenesis by activating EGFR-ERK cascade | Potential therapeutic target for cardiovascular disease |
| MENA | Regulates actin dynamics and cell motility | Involved in metastasis; EGF signaling modulates its activity |
| RAS | Small GTPase that activates ERK pathway | Mutations affect response to anti-EGFR therapy |
| BRAF | Serine/threonine kinase in MAPK pathway | Genotype influences panitumumab therapy |
| TGF-alpha | Ligand that also binds EGFR | Relative mitogenic potency compared to EGF |
| Clathrin | Forms lattices for endocytosis | Dynamics studied in response to growth factor stimulus |
| Adenylyl cyclase 5/6/9 | Enzymes that produce cAMP | Proximity proteomics in cardiomyocytes |
| Keratinocytes | Skin cells that respond to EGF for proliferation | Model for clonal proliferation in serum-free medium |
| DNA hydrogel mesh | Synthetic system for controlled drug release | Used for antimetastasis therapy targeting EGF signaling |
| PI3K | Lipid kinase that activates AKT | Promotes survival downstream of EGFR |
| AKT | Serine/threonine kinase | Mediates survival and metabolism |
| GRB2 | Adaptor protein | Links EGFR to RAS activation |
| SOS | Guanine nucleotide exchange factor | Activates RAS |
| ELK1 | Transcription factor | Phosphorylated by ERK to drive gene expression |
| FOS | Immediate early gene | Induced by EGF signaling |
| MYC | Transcription factor | Promotes proliferation downstream of EGF |
How Is cellular response to epidermal growth factor stimulus Regulated?
The cellular response to EGF is tightly regulated at multiple levels. Receptor availability is modulated by ligand-induced internalization and degradation, as well as by feedback phosphorylation of EGFR. The relative mitogenic potencies of EGF and TGF-alpha are influenced by receptor-mediated effects on ligand availability. Downstream, phosphatases such as MKP-1 dephosphorylate ERK, attenuating the signal. Additionally, cross-talk with other pathways, such as cAMP signaling via adenylyl cyclases, can modulate the response. In disease contexts, GOLM1 amplifies EGFR-ERK signaling in macrophages, contributing to atherosclerosis. Understanding these regulatory mechanisms is crucial for therapeutic intervention.
cellular response to epidermal growth factor stimulus and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| EGFR | Non-small cell lung cancer, colorectal cancer | Knockout or point mutation in cancer cell lines |
| GOLM1 | Atherosclerosis | Macrophage-specific knockout in ApoE-/- mice |
| MENA | Metastasis | Knockdown or overexpression in breast cancer cells |
| RAS | Colorectal cancer resistance to anti-EGFR therapy | Knock-in of mutant RAS in organoids |
| BRAF | Melanoma, colorectal cancer | Point mutation knock-in in melanoma cell lines |
Cancer and Metastasis
Aberrant EGF signaling is a hallmark of many cancers. Overexpression or mutation of EGFR leads to constitutive activation of downstream pathways, driving uncontrolled proliferation and survival. MENA, a regulator of actin dynamics, is implicated in metastasis, and its activity is influenced by EGF signaling. Anti-EGFR therapies like panitumumab are used in colorectal cancer, but efficacy depends on RAS and BRAF genotype. Thus, GO:0071364 is central to understanding oncogenesis and developing targeted treatments.
Atherosclerosis
GOLM1 promotes atherogenesis by activating macrophage EGFR-ERK signaling, linking EGF responses to cardiovascular disease. Macrophages in atherosclerotic plaques respond to EGF-like ligands, leading to foam cell formation and inflammation. Targeting this pathway could offer new therapeutic avenues for atherosclerosis.
Tissue Repair and Fibrosis
EGF signaling is critical for wound healing and tissue regeneration, but dysregulation can lead to fibrosis. In keratinocytes, EGF supports clonal proliferation in serum-free medium, highlighting its role in skin homeostasis. Excessive EGF signaling may contribute to fibrotic diseases by promoting fibroblast proliferation and extracellular matrix deposition.
From cellular response to epidermal growth factor stimulus-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does EGFR kinase activity drive proliferation? | Kinase-dead point mutation knock-in |
| What is the role of GOLM1 in macrophage EGF signaling? | GOLM1 knockout mice |
| How does MENA contribute to metastasis? | MENA overexpression in cancer cells |
| What are the dynamics of clathrin lattice formation? | Tagged clathrin knock-in for live imaging |
| Can we spatially control EGF inhibitor release? | DNA hydrogel mesh implantation in tumor models |
| How do adenylyl cyclase isoforms interact with EGF signaling? | Proximity-dependent proteomics in cardiomyocytes |
How to Study the cellular response to epidermal growth factor stimulus Process
| Method | What It Measures | Typical Application |
|---|---|---|
| Proximity-dependent proteomics | Protein-protein interactions near a bait | Mapping EGF signaling complexes |
| Live-cell imaging | Real-time dynamics of fluorescently tagged proteins | Clathrin lattice formation |
| CRISPR knockout screen | Genes required for EGF response | Identifying novel regulators |
| RNA-seq | Changes in mRNA levels | Transcriptional profiling after EGF stimulation |
| Ribo-seq | Changes in translation | Measuring protein synthesis rates |
| Western blot | Protein phosphorylation and expression | Validating ERK activation |
| DNA hydrogel mesh | Controlled drug release in vivo | Antimetastasis therapy |
Proximity-Dependent Proteomics
This method uses enzymes like APEX or BioID to label proteins in close proximity to a bait, such as EGFR, allowing identification of dynamic signaling complexes. Park et al. used this to map interactions of adenylyl cyclase isoforms in cardiomyocytes, revealing novel players in EGF-related pathways.
Live-Cell Imaging of Clathrin Dynamics
Fluorescent tagging of clathrin allows real-time visualization of flat lattice formation upon EGF stimulation. Qiao et al. demonstrated the spatiotemporal dynamics of these structures, providing insights into endocytosis and signaling.
CRISPR Screens for EGF Response Modulators
Genome-wide CRISPR knockout libraries can identify genes that affect cell proliferation or survival in response to EGF. This approach is powerful for discovering novel regulators of GO:0071364.
Transcriptomics and Ribo-seq
RNA sequencing and ribosome profiling measure changes in gene expression and translation following EGF stimulation. These methods reveal immediate early genes and long-term transcriptional programs.
How CRISPR Can Be Used to Study GO:0071364 cellular response to epidermal growth factor stimulus
Knockout
CRISPR knockout of EGFR or downstream effectors like ERK can abolish the cellular response to EGF, confirming their essential roles. For example, GOLM1 knockout in macrophages reduces EGFR-ERK signaling and atherogenesis in mice.
Point Mutation
Introducing point mutations such as kinase-dead EGFR or constitutively active RAS allows precise dissection of signaling nodes. These models help determine which residues are critical for EGF-induced proliferation.
Knock-in
Knock-in of tagged proteins (e.g., GFP-EGFR) enables live-cell imaging and proteomic studies. This approach is used to track receptor trafficking and interaction dynamics.
Overexpression
Overexpression of MENA or GOLM1 can mimic pathological states and reveal their contribution to metastasis or atherosclerosis. Such models are valuable for testing targeted therapies.
How EDITGENE Supports cellular response to epidermal growth factor stimulus Research
Researchers studying cellular response to epidermal growth factor stimulus-related genes often need to determine whether a candidate gene is causally involved in the pathway or merely correlated. EDITGENE provides a comprehensive suite of CRISPR services to enable precise genetic manipulation and functional validation.
Contact EDITGENE today to design your custom CRISPR model for cellular response to epidermal growth factor stimulus research.
Frequently Asked Questions About cellular response to epidermal growth factor stimulus
What is GO:0071364?
GO:0071364 is the Gene Ontology term for cellular response to epidermal growth factor stimulus, describing all cellular changes triggered by EGF.
What genes are involved in cellular response to epidermal growth factor stimulus?
Key genes include EGFR, ERK, GOLM1, MENA, RAS, and BRAF, among others.
How does EGF activate signaling?
EGF binds to EGFR, causing dimerization and autophosphorylation, which activates downstream pathways like ERK and AKT.
What diseases are associated with EGF signaling?
Cancer, atherosclerosis, and metastasis are linked to dysregulated EGF signaling.
What methods study EGF response?
Proximity-dependent proteomics, live-cell imaging, CRISPR screens, RNA-seq, and Ribo-seq are commonly used.
What is the role of GOLM1 in EGF signaling?
GOLM1 promotes atherogenesis by activating macrophage EGFR-ERK signaling.
How is MENA related to EGF?
MENA regulates actin dynamics and metastasis, and its activity is influenced by EGF signaling.
Can CRISPR be used to study EGF signaling?
Yes, CRISPR knockout, point mutation, knock-in, and overexpression models are powerful tools for dissecting the pathway.
What is the significance of clathrin lattices in EGF response?
Flat clathrin lattices form upon EGF stimulation and are involved in endocytosis and signaling dynamics.
How does panitumumab relate to EGF signaling?
Panitumumab is an anti-EGFR therapy whose efficacy depends on RAS and BRAF genotype.
Conclusion
The cellular response to epidermal growth factor stimulus (GO:0071364) is a fundamental biological process that governs cell proliferation, migration, and survival. Its dysregulation underlies major diseases including cancer and atherosclerosis. Continued research using advanced CRISPR models and multi-omics approaches will further unravel the complexities of this pathway, leading to novel therapeutic strategies. EDITGENE is committed to supporting this research with state-of-the-art gene editing services.
References
- 1. Gai X et al.. 2025. GOLM1 Promotes Atherogenesis by Activating Macrophage EGFR-ERK Signaling Cascade.. Circ Res 136(8):848-861 PMID: 40026146
- 2. Reddy CC et al.. 1996. Receptor-mediated effects on ligand availability influence relative mitogenic potencies of epidermal growth factor and transforming growth factor alpha.. J Cell Physiol 166(3):512-22 PMID: 8600155
- 3. Gertler F et al.. 2011. Metastasis: tumor cells becoming MENAcing.. Trends Cell Biol 21(2):81-90 PMID: 21071226
- 4. Qiao L et al.. 2025. Dynamics of the formation of flat clathrin lattices in response to growth factor stimulus.. bioRxiv PMID: 40475677
- 5. Park T et al.. 2025. Proximity-dependent proteomics and network analysis of adenylyl cyclase isoforms 5, 6, and 9 in cardiomyocytes.. J Biol Chem 301(9):110539 PMID: 40749829
- 6. Pratt VM et al.. 2012. Panitumumab Therapy and RAS and BRAF Genotype.. PMID: 33259157
- 7. Bertolero F et al.. 1984. Mouse epidermal keratinocytes. Clonal proliferation and response to hormones and growth factors in serum-free medium.. Exp Cell Res 155(1):64-80 PMID: 6208047
- 8. Yang J et al.. 2025. A Spatiotemporally Controllable DNA Hydrogel Mesh for Focused Antimetastasis Therapy of Cancer.. ACS Nano 19(34):31183-31200 PMID: 40814822
