Product Pathways - Tyrosine Kinase/ Adaptors
Phospho-VEGF Receptor 2 (Tyr951) (7H11) Mouse mAb #2476
Applications | Reactivity | Sensitivity | MW (kDa) | Isotype |
---|---|---|---|---|
W | H M | Transfected Only | 230 | Mouse IgG1 |
Applications Key:
W=Western Blotting
Reactivity Key:
H=Human
M=Mouse
Species cross-reactivity is determined by Western blot.
Protocols
- 2476:
- Western Blotting
Specificity / Sensitivity
Phospho-VEGF Receptor 2 (Tyr951) (7H11) Mouse mAb detects transfected levels of VEGFR-2 only when phosphorylated at tyrosine 951.
Source / Purification
Monoclonal antibody is produced by immunizing mice with a synthetic peptide (KLH-coupled) corresponding to residues surrounding Tyr951 of human VEGFR-2.
Western Blotting
Western blot analysis of extracts from CKR/PAE cells expressing chimeric receptors containing human CSF-1 receptor extracellular binding domain/mouse VEGF receptor 2 intracellular domian (Rahimi, N. et al. (2000) J. Biol. Chem. 275, 16986-16992), using Phospho-VEGF Receptor 2 (Tyr951) (7H11) Mouse mAb.
Background
Vascular endothelial growth factor receptor 2 (VEGFR2, KDR, Flk-1) is a major receptor for VEGF-induced signaling in endothelial cells. Upon ligand binding, VEGFR2 undergoes autophosphorylation and becomes activated (1). Major autophosphorylation sites of VEGFR2 are located in the kinase insert domain (Tyr951/996) and in the tyrosine kinase catalytic domain (Tyr1054/1059) (2). Activation of the receptor leads to rapid recruitment of adaptor proteins, including Shc, GRB2, PI-3 kinase, Nck and the protein tyrosine phosphatases SHP-1 and SHP-2 (3). The phosphorylation of Tyr1212 provides a docking site for Grb2 binding and phospho-Tyr1175 binds with the p85 subunit of PI-3 kinase and PLCγ, as well as Shb (1,4,5). Signaling from VEGFR2 is necessary for the execution of VEGF-stimulated proliferation, chemotaxis and sprouting, as well as survival of cultured endothelial cells in vitro and angiogenesis in vivo (6-8).
- Meyer, M. et al. (1999) EMBO J. 18, 363-374.
- Dougher-Vermazen, M. et al. (1994) Biochem. Biophys. Res. Commun. 205, 728-738.
- Kroll, J. and Waltenberger, J. (1997) J. Biol. Chem. 272, 32521-32527.
- Takahashi, T. et al. (2001) EMBO J. 20, 2768-2778.
- Holmqvist, K. et al. (2004) J. Biol. Chem. 279, 22267-22275.
- Karkkainen, M.J. and Petrova, T. (2000) Oncogene 19, 5598-5605.
- Rahimi, N. et al. (2000) J. Biol. Chem. 275, 16986-16992.
- Claesson-Welsh, L. (2003) Biochem. Soc. Trans. 31, 20-24.
Application References
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This product is for in vitro research use only and is not intended for use in humans or animals. This product is not intended for use as therapeutic or in diagnostic procedures.