GO:0030947 regulation of vascular endothelial growth factor receptor signaling pathway: Mechanism, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0030947 describes any process that modulates the frequency, rate or extent of vascular endothelial growth factor receptor (VEGFR) signaling pathway activity.
• VEGFR signaling is initiated by VEGF ligands binding VEGFR1 (FLT1), VEGFR2 (KDR) and VEGFR3 (FLT4), triggering receptor dimerization, autophosphorylation and downstream kinase cascades.
• Both positive and negative regulators exist; soluble VEGFR1 (sFlt-1) acts as a decoy receptor that sequesters VEGF and dampens signaling.
• Dysregulated VEGFR signaling drives tumor angiogenesis, vascular permeability, kidney disease and immune checkpoint modulation in the tumor microenvironment.
• Organ-specific vessel maintenance depends on the interplay between VEGFR1, VEGFR2 and VEGFR3, making this pathway a central node in vascular biology.
• CRISPR knockout, point-mutation, knock-in and overexpression models enable causal dissection of regulators within this pathway.
Description
The Gene Ontology term GO:0030947, regulation of vascular endothelial growth factor receptor signaling pathway, is a biological_process that encompasses any process modulating the frequency, rate or extent of VEGFR signaling activity. VEGFR signaling is a cornerstone of angiogenesis and vascular homeostasis, and its precise control is essential for normal development and tissue repair. Because VEGF and its receptors are among the most intensively studied targets in vascular biology, understanding how this pathway is regulated has direct implications for cancer, retinopathies, kidney disease and immune regulation.
regulation of vascular endothelial growth factor receptor signaling pathway At A Glance
| GO ID | GO:0030947 |
|---|---|
| GO term | regulation of vascular endothelial growth factor receptor signaling pathway |
| Ontology | biological_process |
| Synonym | regulation of VEGF receptor signaling pathway |
| Major function | Modulates the frequency, rate or extent of VEGFR signaling activity |
| Key ligands | VEGFA, VEGFB, VEGFC, VEGFD, PlGF |
| Key receptors | VEGFR1 (FLT1), VEGFR2 (KDR), VEGFR3 (FLT4) |
| Negative regulators | sFlt-1 (soluble VEGFR1), phosphatases, endocytic degradation |
| Disease relevance | Cancer, vascular permeability, kidney disease, immune checkpoint regulation |
What Is GO:0030947?
In simple terms, GO:0030947 covers all the ways a cell can turn VEGFR signaling up or down. Formally, it is defined as any process that modulates the frequency, rate or extent of vascular endothelial growth factor receptor signaling pathway activity. This includes ligand availability, receptor abundance, decoy receptor competition, phosphatase-mediated dephosphorylation, endocytic trafficking and downstream feedback loops.
Why Is regulation of vascular endothelial growth factor receptor signaling pathway Important in Cell Biology?
Regulation of VEGFR signaling is important because unchecked VEGFR activity promotes pathological angiogenesis, vascular leak and tumor progression, whereas excessive inhibition can impair organ-specific vessel maintenance and tissue repair. The pathway also intersects with immune regulation, as VEGF-A can modulate inhibitory checkpoints on CD8+ T cells in tumors. Consequently, understanding its regulatory layers informs drug development, biomarker discovery and CRISPR-based functional genomics.
• Controls angiogenesis, a fundamental process in development and wound healing.
• Regulates vascular permeability and endothelial barrier function.
• Modulates anti-tumor immunity via checkpoint expression on CD8+ T cells.
• Soluble VEGFR1 provides a natural negative feedback mechanism.
• Implicated in kidney physiology and nephropathy.
• Organ-specific vessel maintenance relies on VEGFR interplay.
• Evolutionarily conserved across vertebrate angiogenesis.
• A major target for anti-angiogenic therapeutics.
• Provides a model for studying receptor tyrosine kinase regulation.
• Enables CRISPR functional screens for vascular gene discovery.
What Happens During regulation of vascular endothelial growth factor receptor signaling pathway?
Ligand availability and receptor binding
In simple terms: VEGF ligands must be present and accessible for the receptor to be activated.
VEGFA, VEGFB, VEGFC, VEGFD and PlGF bind with different affinities to VEGFR1, VEGFR2 and VEGFR3, and the availability of these ligands is a primary regulatory node. Sequestration by soluble decoy receptors such as sFlt-1 reduces effective ligand concentration and dampens signaling.
Receptor dimerization and autophosphorylation
In simple terms: When VEGF binds, two receptor molecules pair up and activate each other.
Ligand binding induces receptor dimerization and trans-autophosphorylation of intracellular tyrosine residues, creating docking sites for downstream adaptors and enzymes. This step is tightly regulated because excessive phosphorylation drives pathological angiogenesis.
Downstream kinase cascade modulation
In simple terms: Activated receptors switch on signaling proteins that carry the message into the cell.
Phosphorylated VEGFR2 recruits PLCγ, PI3K and Src homology domain proteins, activating MAPK/ERK and PI3K/AKT cascades that control endothelial proliferation, migration and survival. Regulatory phosphatases and feedback inhibitors modulate the amplitude and duration of these signals.
Negative feedback and decoy receptor regulation
In simple terms: The cell has brakes to prevent VEGFR signaling from running out of control.
Soluble VEGFR1 (sFlt-1) acts as a decoy that binds VEGF and prevents it from activating membrane receptors, providing a negative regulatory layer. Additional feedback includes receptor internalization, ubiquitination and degradation, which terminate signaling.
Organ-specific and immune modulation
In simple terms: Different organs and immune cells tune VEGFR signaling to their own needs.
Interplay among VEGFR1, VEGFR2 and VEGFR3 supports organ-specific vessel maintenance, and VEGF-A can modulate inhibitory checkpoints on CD8+ T cells, linking VEGFR regulation to immune surveillance.
Key Genes Involved in GO:0030947 regulation of vascular endothelial growth factor receptor signaling pathway
The following genes and proteins are central to the regulation of VEGFR signaling and are frequently studied using CRISPR models.
| Gene | Major Role | Research Relevance |
|---|---|---|
| VEGFA | Primary ligand for VEGFR2 | Angiogenesis, tumor growth, immune checkpoint modulation |
| VEGFB | Ligand for VEGFR1 | Metabolic and vascular maintenance |
| VEGFC | Ligand for VEGFR3 | Lymphangiogenesis |
| VEGFD | Ligand for VEGFR3 | Lymphatic vessel regulation |
| PGF | PlGF ligand for VEGFR1 | Vascular remodeling |
| FLT1 | VEGFR1 receptor; soluble decoy sFlt-1 | Negative regulation of VEGF availability |
| KDR | VEGFR2 receptor | Main angiogenic signaling receptor |
| FLT4 | VEGFR3 receptor | Lymphangiogenesis and vessel maintenance |
| NRP1 | Neuropilin co-receptor | Enhances VEGFR2 signaling |
| NRP2 | Neuropilin co-receptor | Modulates VEGFR3 signaling |
| PTPN11 | SHP-2 phosphatase | Modulates VEGFR2 downstream signaling |
| PLCG1 | Phospholipase C gamma 1 | Downstream VEGFR2 effector |
| PIK3CA | PI3K catalytic subunit | AKT pathway activation |
| SRC | Non-receptor tyrosine kinase | Vascular permeability regulation |
| HIF1A | Hypoxia-inducible factor 1 alpha | Transcriptional regulator of VEGFA |
| EPAS1 | HIF2A | Regulates VEGFA in specific tissues |
| CDH5 | VE-cadherin | Endothelial barrier and VEGFR2 modulation |
How Is regulation of vascular endothelial growth factor receptor signaling pathway Regulated?
Regulation of VEGFR signaling occurs at multiple levels, including ligand sequestration by sFlt-1, receptor dephosphorylation by phosphatases, endocytic trafficking and degradation, and transcriptional control of VEGFA by hypoxia-inducible factors such as HIF1A. Organ-specific vessel maintenance further depends on the balance among VEGFR1, VEGFR2 and VEGFR3.
regulation of vascular endothelial growth factor receptor signaling pathway and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| VEGFA | Tumor angiogenesis and immune evasion | KO or overexpression in tumor cell lines |
| FLT1 | Preeclampsia and kidney disease | Knock-in of soluble sFlt-1 |
| KDR | Vascular permeability and edema | Point mutation of kinase domain |
| FLT4 | Lymphedema and vessel maintenance | KO in endothelial cells |
| HIF1A | Hypoxia-driven angiogenesis | KO or point mutation |
Cancer and tumor angiogenesis
VEGFR signaling is a driver of tumor angiogenesis, and VEGF-A also modulates inhibitory checkpoints on CD8+ T cells, contributing to immune evasion. Anti-angiogenic therapies target this pathway, but resistance and toxicity highlight the need for deeper regulatory understanding.
Vascular permeability and edema
Excessive VEGFR2 activation increases endothelial permeability, leading to edema and vascular leak in inflammation and tumors. Regulatory mechanisms that restrain VEGFR signaling are therefore critical for barrier integrity.
Kidney disease
VEGF and its receptors are essential for glomerular health, and dysregulated VEGFR signaling is implicated in nephropathy and renal injury. Soluble VEGFR1 levels have been linked to kidney pathology.
Organ-specific vessel maintenance
Interplay among VEGFR1, VEGFR2 and VEGFR3 is required for maintaining organ-specific vasculature, and disruption can cause organ dysfunction. Evolutionary studies underscore the conserved importance of this regulatory network.
From regulation of vascular endothelial growth factor receptor signaling pathway-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does loss of a candidate regulator alter VEGFR signaling? | CRISPR knockout in endothelial cells |
| Does a specific phosphorylation site control receptor activity? | Point mutation knock-in |
| Can a tagged receptor be tracked in live cells? | Tagged knock-in of VEGFR2 |
| Does overexpression of sFlt-1 suppress angiogenesis? | Overexpression model |
| Which genes modulate VEGFR signaling in a genome-wide screen? | CRISPR library screening |
| How does VEGFR interplay affect organ-specific vessels? | Organotypic KO models |
How to Study the regulation of vascular endothelial growth factor receptor signaling pathway Process
| Method | What It Measures | Typical Application |
|---|---|---|
| CRISPR KO | Gene loss-of-function | Identify essential regulators |
| Point mutation | Specific residue function | Dissect phosphorylation sites |
| Knock-in tagging | Protein localization | Track receptor trafficking |
| Overexpression | Gain-of-function | Test decoy receptors |
| RNA-seq | Transcriptional changes | Downstream target discovery |
| Proteomics | Protein abundance and modifications | Signaling network mapping |
| Imaging | Vascular permeability | Barrier function assays |
| CRISPR screen | Genome-wide regulators | Discover novel modulators |
CRISPR knockout and point mutation
Knockout of VEGFR pathway genes reveals loss-of-function phenotypes, while point mutations dissect specific phosphorylation or binding sites.
Transcriptomics and proteomics
RNA-seq and proteomics measure downstream transcriptional and signaling changes upon VEGFR modulation.
Imaging and permeability assays
Live-cell imaging and permeability assays quantify endothelial barrier function and receptor trafficking.
CRISPR library screening
Genome-wide screens identify positive and negative regulators of VEGFR signaling.
How CRISPR Can Be Used to Study GO:0030947 regulation of vascular endothelial growth factor receptor signaling pathway
Knockout
CRISPR knockout of VEGFR pathway genes such as KDR or FLT1 ablates receptor function and reveals their requirement in angiogenesis and vessel maintenance.
Point Mutation
Point mutations in kinase domains or phosphorylation sites of VEGFR2 allow precise dissection of signaling outputs without losing the entire protein.
Knock-in
Knock-in of fluorescent or affinity tags into endogenous VEGFR loci enables real-time tracking of receptor trafficking and localization.
Overexpression
Overexpression of soluble VEGFR1 (sFlt-1) or VEGF ligands tests gain-of-function effects on vascular permeability and angiogenesis.
How EDITGENE Supports regulation of vascular endothelial growth factor receptor signaling pathway Research
Researchers studying regulation of vascular endothelial growth factor receptor signaling pathway-related genes often need to determine whether a candidate gene is causally involved in VEGFR signaling or merely correlated with it. EDITGENE provides the CRISPR tools and bioinformatics support to answer these questions rigorously.
Contact EDITGENE today to design your custom CRISPR model for regulation of vascular endothelial growth factor receptor signaling pathway research.
Frequently Asked Questions About regulation of vascular endothelial growth factor receptor signaling pathway
What is GO:0030947?
GO:0030947 is the Gene Ontology term for regulation of vascular endothelial growth factor receptor signaling pathway, covering any process that modulates VEGFR signaling activity.
What genes are involved in regulation of VEGFR signaling?
Key genes include VEGFA, FLT1, KDR, FLT4, NRP1, NRP2, HIF1A and PTPN11, among others.
How is VEGFR signaling regulated?
It is regulated by ligand availability, decoy receptors such as sFlt-1, phosphatases, receptor trafficking and feedback loops.
What diseases are linked to VEGFR signaling?
Cancer, vascular permeability disorders, kidney disease and lymphedema are linked to VEGFR signaling.
What is the role of soluble VEGFR1?
Soluble VEGFR1 (sFlt-1) acts as a decoy receptor that sequesters VEGF and negatively regulates signaling.
How can CRISPR be used to study VEGFR signaling?
CRISPR knockout, point mutation, knock-in and overexpression models allow causal testing of VEGFR pathway genes.
Which receptors mediate VEGF signaling?
VEGFR1 (FLT1), VEGFR2 (KDR) and VEGFR3 (FLT4) are the main receptors.
Why is VEGFR signaling important in cancer?
It drives tumor angiogenesis and modulates immune checkpoints on CD8+ T cells.
What methods study VEGFR signaling?
CRISPR screens, RNA-seq, proteomics, imaging and permeability assays are commonly used.
Is VEGFR signaling conserved in evolution?
Yes, angiogenesis and VEGFR signaling are evolutionarily conserved across vertebrates.
Conclusion
GO:0030947 captures the diverse regulatory mechanisms that tune VEGFR signaling, from ligand sequestration to receptor trafficking and feedback inhibition. Understanding these layers is essential for developing therapies that target angiogenesis, vascular permeability and immune modulation without disrupting normal vessel maintenance.
References
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- 3. Roskoski R Jr. 2025. Vascular endothelial cells and angiogenesis.. Pharmacol Res 221:107983 PMID: 41077163
- 4. Voron T et al.. 2015. VEGF-A modulates expression of inhibitory checkpoints on CD8+ T cells in tumors.. J Exp Med 212(2):139-48 PMID: 25601652
- 5. Failla CM et al.. 2018. Positive and Negative Regulation of Angiogenesis by Soluble Vascular Endothelial Growth Factor Receptor-1.. Int J Mol Sci 19(5) PMID: 29702562
- 6. Advani A. 2014. Vascular endothelial growth factor and the kidney: something of the marvellous.. Curr Opin Nephrol Hypertens 23(1):87-92 PMID: 24247821
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