The vascular endothelial growth factor (VEGF) gene is localized on human chromosome 6p21.3 and is thought to encode four different isoforms. It signals through the three receptors, that is, fms-like tyrosine kinase (flt-1), KDR gene product (the murine homolog of KDR is the flk-1 gene product) and the flt4 gene product. The protein is expressed in vascularized tissues.
This gene is a member of the PDGF/VEGF growth factor family and encodes a protein that is often found as a disulfide linked homodimer. This protein is a glycosylated mitogen that specifically acts on endothelial cells and has various effects, including mediating increased vascular permeability, inducing angiogenesis, vasculogenesis and endothelial cell growth, promoting cell migration, and inhibiting apoptosis. Elevated levels of this protein is linked to POEMS syndrome, also known as Crow-Fukase syndrome. Mutations in this gene have been associated with proliferative and nonproliferative diabetic retinopathy. Alternatively spliced transcript variants, encoding either freely secreted or cell-associated isoforms, have been characterized. There is also evidence for the use of non-AUG (CUG) translation initiation sites upstream of, and in-frame with the first AUG, leading to additional isoforms. (provided by RefSeq)
Immunogen
VEGF (NP_003367, 27 a.a. ~ 130 a.a) partial recombinant protein with GST tag. MW of the GST tag alone is 26 KDa.
Monoclonal Anti-VEGF antibody produced in mouse has been used in Western Blotting.
Biochem/physiol Actions
Vascular endothelial growth factor (VEGF) is a potent growth and angiogenic cytokine. It stimulates the proliferation and survival of endothelial cells. It promotes angiogenesis and vascular permeability. VEGF is involved in the induction of tumor metastasis and intraocular neovascular syndromes.Polymorphism in the gene encoding it is linked with diabetic retinopathy in type 2 diabetes.
Physical form
Solution in phosphate buffered saline, pH 7.4
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Vegf, vegf-B, vegf-C and their receptors KDR, FLT-1 and FLT-4 during the neoplastic progression of human colonic mucosa
Thierry Andree
Cancer Cell (2000)
A common polymorphism in the 5'-untranslated region of the VEGF gene is associated with diabetic retinopathy in type 2 diabetes
Awata T
Diabetes (2002)
Suppression of retinal neovascularization in vivo by inhibition of vascular endothelial growth factor (VEGF) using soluble VEGF-receptor chimeric proteins
Aiello LP
Proceedings of the National Academy of Sciences of the USA (1995)
The Biology of Vascular Endothelial Growth Factor
Napoleone Ferrara Terri Davis-Smyth
Endocrine Reviews (1997)
VEGF-A induces tumor and sentinel lymph node lymphangiogenesis and promotes lymphatic metastasis
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