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Product Description
Recombinant Mouse VEGF144 Protein [E. coli] | M30-033S/M30-033/M30-034 | ReliaTech
Species: Mouse
Host / biotech: E. coli
Comment: N/A
Label: N/A
Clone / Antibody feature: N/A
Subcategory: Cytokines & Growth Factors
Category: Recombinant Protein
Synonyms: vascular endothelial growth factor A; Vegfa; Vpf; Vegf
Isotype: N/A
Application: N/A
Detection Range: Measured by cell proliferation of human umbilical vein endothelial cells (HUVEC) in the range of 2-20 ng/ml.
Species Reactivity/Cross reactivity: Human
Antigen: N/A
Description: Mouse Vascular Endothelial Growth Factor144 (VEGF144), a 16, 9 kDa protein consisting of 144 amino acid residues, is produced as a homodimer. VEGF144 is a polypeptide growth factor and a member of the platelet-derived growth factor family. It is a specific mitogen for vascular endothelial cells and a strong angiogenic factor in vivo. Two high-affinity tyrosine kinase receptors for VEGF144 have been identified, VEGFR-1 (FLT-1), and VEGFR-2 (Flk-1). Consistent with the endothelial cell-specific action of VEGF144, expression of both receptor genes has been found predominantly but not exclusively on endothelial cells. Expression of VEGFR-1 was also found on human monocytes, neutrophils (PMNs), bovine brain pericytes and villous and extravillous trophoblasts. In addition to its action as a mitogen it is a potent vascular permeability factor (VPF) in vivo and is also a chemo attractant for monocytes and endothelial cells. At least four different proteins are generated by differential splicing of the mouse VEGF gene: VEGF120, VEGF144, VEGF164 and VEGF188. The most abundant form is VEGF164. Whereas VEGF120 VEGF144 and VEGF164 are secreted proteins, VEGF188 is strongly cell-associated. In addition, the isoforms VEGF164 and VEGF188 bind to heparin with high affinity. VEGF is apparently a homodimer, but preparations of VEGF show some heterogeneity on SDS gels depending of the secretion of different forms and the varying degrees of glycosylation. All dimeric forms possess similar biological activities. There is evidence that heterodimeric molecules between the different isoforms exists and that different cells and tissues express different VEGF isoforms. A related protein of VEGF is placenta growth factor (PlGF) with about 53% homology and VEGF-B with similar biological activities.
Purity Confirmation: > 95% by SDS-PAGE
Endotoxin: < 0.1 ng per µg of mouse VEGF120
Formulation: lyophilized
Storage Handling Stability: Lyophilized samples are stable for greater than six months at -20°C to -70°C. Reconstituted VEGF144 should be stored in working aliquots at -20°C.
Reconstituation: The lyophilized VEGF144 should be reconstituted in 50 mM acetic acid to a concentration not lower than 50 µg/ml. For long term storage we recommend to add at least 0.1% human or bovine serum albumin.
Molecular Weight: 33.8 kDa
Lenght (aa): 144
Protein Sequence: APTTEGEQKSHEVIKFMDVYQRSYCRPIETLVDIFQEYPDEIEYIFKPSCVPLMRCAGCCNDEALECVPTSESNITMQIMRIKPHQSQHIGEMSFLQHSRCECRPKKDRTKPEKKSVRGKGKGQKRKRKKSRFKSWSVCDKPRR
NCBI Gene ID: 22339
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