Vascular Endothelial Growth Factor Receptor/VEGF Receptor

As members of growth factor receptors, vascular endothelial growth factor receptors (VEGF receptors) have an extracellular portion consisting of 7 immunoglobulin-like domains, a single transmembrane spanning region and an intracellular portion containing a split tyrosine-kinase domain. VEGFR1 is required for the recruitment of haematopoietic precursors and migration of monocytes and macrophages, whereas VEGFR2 and VEGFR3 are essential for the functions of vascular endothelial and lymphendothelial cells, respectively.

FLT1 Gene of VEGF Receptor

This gene encodes a member of the vascular endothelial growth factor receptor (VEGFR) family. VEGFR family members are receptor tyrosine kinases (RTKs) which contain an extracellular ligand-binding region with seven immunoglobulin (Ig)-like domains, a transmembrane segment, and a tyrosine kinase (TK) domain within the cytoplasmic domain. This protein binds to VEGFR-A, VEGFR-B and placental growth factor and plays an important role in angiogenesis and vasculogenesis. Expression of this receptor is found in vascular endothelial cells, placental trophoblast cells and peripheral blood monocytes. Multiple transcript variants encoding different isoforms have been found for this gene. Isoforms include a full-length transmembrane receptor isoform and shortened, soluble isoforms.

KDR Gene of VEGF Receptor

Vascular endothelial growth factor (VEGF) is a major growth factor for endothelial cells. This gene encodes one of the two receptors of the VEGF. This receptor, known as kinase insert domain receptor, is a type III receptor tyrosine kinase. It functions as the main mediator of VEGF-induced endothelial proliferation, survival, migration, tubular morphogenesis and sprouting. The signalling and trafficking of this receptor are regulated by multiple factors, including Rab GTPase, P2Y purine nucleotide receptor, integrin alphaVbeta3, T-cell protein tyrosine phosphatase, etc.. Mutations of this gene are implicated in infantile capillary hemangiomas.

FLT4 Gene of VEGF Receptor

This gene encodes a tyrosine kinase receptor for vascular endothelial growth factors C and D. The protein is thought to be involved in lymphangiogenesis and maintenance of the lymphatic endothelium. Mutations in this gene cause hereditary lymphedema type IA.

Receptors
Receptors Classification
What are Receptors
Cytokine Receptors
Growth Factor Receptors+
- Wnt Receptor
- Tie Receptor
- Neurotrophin Receptor
- Ephrin Receptor/Eph Receptor
- Insulin-Like Growth Factor Receptor/IGF Receptor
- Epidermal Growth Factor Receptor/EGF Receptor
- Fibroblast Growth Factor Receptor/FGF Receptor
- Platelet-Derived Growth Factor Receptor/PDGF Receptor
- Vascular Endothelial Growth Factor Receptor/VEGF Receptor
Fc Receptor / FcR
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