CD172a / Biotin / P84
Product Details
| Description | CD172a antibody, clone P84, recognizes CD172a, also known as single regulatory protein alpha (SIRPalpha) (signal regulatory protein alpha) or Src homology 2 domain-containing phosphatase substrate-1 (SHP-1), a type I transmembrane glycoprotein with three Ig-like extracellular domains and two cytoplasmic immunoreceptor tyrosine-based inhibition motifs (ITIMs)1. SIRPalpha is expressed predominantly in myeloid cells2 - including monocytes, macrophages, and dendritic cells (DCs) - and neuronal cells3. The extracellular ligand for SIRPalpha, CD47 (or integrin-associated protein [IAP])4, is expressed in most cell types5. In macrophages, ligation of SIRPalpha by CD47 inhibits macrophage phagocytosis of self cells6,7. SIRPalpha also negatively regulates DC-mediated T cell activation and DC maturation8-10. CD47 is also upregulated on tumor cells, inhibiting the phagocytosis of tumor cells by macrophages11. Therapeutics targeting the CD47-SIRPalpha interaction, including antibodies and fusion proteins, are currently under preclinical and clinical study for various malignancies as a monotherapy or in combination with other therapeutics12. | |
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| Conjugate | Biotin | |
| Clone | P84 | |
| Target Species | Mouse | |
| Applications | FC | |
| Supplier | Leinco | |
| Catalog # | Sign in to view product details, citations, and spectra | |
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About CD172a
The protein encoded by this gene is a member of the signal-regulatory-protein (SIRP) family, and also belongs to the immunoglobulin superfamily. SIRP family members are receptor-type transmembrane glycoproteins known to be involved in the negative regulation of receptor tyrosine kinase-coupled signaling processes. This protein can be phosphorylated by tyrosine kinases. The phospho-tyrosine residues of this PTP have been shown to recruit SH2 domain containing tyrosine phosphatases (PTP), and serve as substrates of PTPs. This protein was found to participate in signal transduction mediated by various growth factor receptors. CD47 has been demonstrated to be a ligand for this receptor protein. This gene and its product share very high similarity with several other members of the SIRP family. These related genes are located in close proximity to each other on chromosome 20p13. Multiple alternatively spliced transcript variants have been determined for this gene. [provided by RefSeq, Jul 2008]
The protein encoded by this gene is a member of the signal-regulatory-protein (SIRP) family, and also belongs to the immunoglobulin superfamily. SIRP family members are receptor-type transmembrane glycoproteins known to be involved in the negative regulation of receptor tyrosine kinase-coupled signaling processes. This protein can be phosphorylated by tyrosine kinases. The phospho-tyrosine residues of this PTP have been shown to recruit SH2 domain containing tyrosine phosphatases (PTP), and serve as substrates of PTPs. This protein was found to participate in signal transduction mediated by various growth factor receptors. CD47 has been demonstrated to be a ligand for this receptor protein. This gene and its product share very high similarity with several other members of the SIRP family. These related genes are located in close proximity to each other on chromosome 20p13. Multiple alternatively spliced transcript variants have been determined for this gene. [provided by RefSeq, Jul 2008]
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