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Platelet Derived Growth Factor Receptor, Type B (PDGFRb) (APC)

Cat no: P4258-23A

Supplier: United States Biological
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PDGF was originally discovered as a major mitogenic factor in serum but not in plasma. PDGF is stored in platelet a granules and released upon platelet activation. Besides megakaryocytes, other cell types, including endothelial cells, monocyte/macrophages, vascular smooth muscle cells, fibroblasts, cytotrophoblasts, and a variety of transformed or neoplastic cells, have been shown to produce PDGF. PDGFs are disulfide-linked dimers. The subunits of the PDGF dimer are homologous polypeptides designated PDGF-A and PDGF-B chains. Natural PDGFs can exist either as homodimers (PDGF-AA, PDGF-BB) or heterodimers (PDGF-AB). Two distinct PDGF receptors, the a-receptor and the b-receptor, have been identified. The two receptors are structurally related, with an extracellular portion containing five immunoglobulin-like domains, a single transmembrane region, and an intracellular portion with a protein-tyrosine kinase domain. The a-receptor binds both the A and B chains with high affinity whereas the b-receptor binds only the B-chain with high affinity. Receptor dimerization is induced upon ligand binding. In addition to being a potent mitogen for cells of mesenchymal origin, PDGF has also been shown to be a potent chemoattractant for mesenchymal cells, mononuclear cells, and neutrophils and has been reported to be important in the modification of cellular matrix constituents. Applications: Suitable for use in Flow Cytometry. Other applications not tested. Recommended Dilution: Flow cytometry: 10ul lables 1x10e6 cells Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4 degrees C before opening. DO NOT FREEZE! Stable at 4 degrees C. Stable for 12 months. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Freezing APC conjugates will result in a substantial loss of activity. APC conjugates are sensitive to light.
Catalogue number: P4258-23A
Reactivities: Human
Hosts: Mouse
Applications: Flow Cytometry
Size: 100Tests
Form: Supplied as a liquid in saline, 0.05% BSA, 0.1% sodium azide. Labeled with Allophycocyanin (APC).
P type: Mab
Isotype: IgG1
Purity: Purified by Protein G affinity chromatography
References: 1. Hart, et al. (1987) J. Biol. Chem. 262:10780. 2. Gronwald, et al. (1988) Proc. Natl. Acad. Sci. USA 85:3435. 3. Seifert, et al. (1989) J. Biol. Chem. 264:8771. 4. Heldin, C.H. and L. Claesson-Welsh (1994) in Guidebook to Cytokines and Their Receptors, Nicola, N.A. ed. Oxford University Press, New York, p. 202.
Additional info: Recognizes human PDGF Rb.

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