Mouse CD47 Alexa Fluor® 750-conjugated Antibody

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FAB1866S-100UG
R&D Systems Antibodies
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Mouse CD47 Alexa Fluor® 750-conjugated Antibody Summary

Species Reactivity
Mouse
Specificity
Detects mouse CD47 in direct ELISAs.
Source
Monoclonal Rat IgG1 Clone # 974214
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
Mouse myeloma cell line, NS0-derived mouse CD47 protein
Gln19-Pro158
Accession # NP_034711
Formulation
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
Label
Alexa Fluor 750 (Excitation= 749 nm, Emission= 775 nm)

Applications

Recommended Concentration
Sample
Flow Cytometry
0.25-1 µg/106 cells
HEK293 Human Cell Line Transfected with Mouse CD47 and eGFP

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

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Preparation and Storage

Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze.
  • 12 months from date of receipt, 2 to 8 °C as supplied.

Background: CD47

CD47, also known as Integrin‑Associated Protein (IAP) and OA3, is a 40‑60 kDa variably glycosylated atypical member of the immunoglobulin superfamily (1, 2). Mouse CD47 is an integral membrane protein that consists of a 122 amino acid (aa) extracellular domain (ECD) with a single Ig‑like domain, five membrane-spanning regions with short intervening loops, and a 16 aa C‑terminal cytoplasmic tail (3). Alternate splicing of mouse CD47 generates an additional isoform with an insertion of 21 aa following the Ig‑like domain (3). Within the N‑terminal ECD, mouse CD47 shares 63% and 84% aa sequence identity with human and rat CD47, respectively. A portion of the N‑terminal ECD can by shed from smooth muscle cells by MMP-2‑mediated proteolysis (4). The ubiquitously expressed CD47 binds to SIRP family members on macrophages, neutrophils, and T cells (5, 6). These interactions prevent macrophage‑mediated clearance of healthy CD47-expressing cells and promote immune cell transmigration across the vascular endothelium (5‑8). The CD47-SIRP alpha interaction is species specific, and this lack of cross-species interaction has been implicated in xenotransplantation rejection (16). CD47 associates in cis with Fas on T cells and enhances Fas‑mediated apoptosis; its ligation promotes T cell anergy and dampens Th1 immune responses (9‑11). CD47 also associates in cis with Integrins alpha 4 beta 1, alpha V beta 3, alpha 2b beta 3, and alpha 2 beta 1 which can positively or negatively modulate Integrin-mediated function (2, 12). In the vasculature, CD47 binding by Thrombospondin‑1 inhibits the angiogenic and vasorelaxant effects of nitric oxide (2, 13, 14). On dendritic cells and myeloma cells, CD47 ligation by TSP‑1 induces giant cell formation and osteoclast differentiation (15).

References
  1. Sarfati, M. et al. (2009) Curr. Drug Targ. 9:842.
  2. Isenberg, J.S. et al. (2008) Arterioscler. Thromb. Vasc. Biol. 28:615.
  3. Lindberg, F.P. et al. (1993) J. Cell Biol. 123:485.
  4. Maile, L.A. et al. (2008) Mol. Endocrinol. 22:1226.
  5. Oldenborg, P.-A. et al. (2000) Science 288:2051.
  6. Liu, Y. et al. (2002) J. Biol. Chem. 277:10028.
  7. Stefanidakis, M. et al. (2008) Blood 112:1280.
  8. de Vries, H.E. et al. (2002) J. Immunol. 168:5832.
  9. Manna, P.P. et al. (2005) J. Biol. Chem. 280:29637.
  10. Avice, M.-N. et al. (2001) J. Immunol. 167:2459.
  11. Bouguermouh, S. et al. (2008) J. Immunol. 180:8073.
  12. Barazi, H.O. et al. (2002) J. Biol. Chem. 277:42859.
  13. Isenberg, J.S. et al. (2009) Nitric Oxide 21:52.
  14. Isenberg, J.S. et al. (2009) Matrix Biol. 28:110.
  15. Kukreja, A. et al. (2009) Blood 114:3413.
  16. Wang H. et al. (2007) Blood 109:836.
Entrez Gene IDs
961 (Human); 16423 (Mouse); 397042 (Porcine); 478552 (Canine); 102139846 (Cynomolgus Monkey)
Alternate Names
antigen identified by monoclonal 1D8; Antigenic surface determinant protein OA3; CD47 antigen (Rh-related antigen, integrin-associated signal transducer); CD47 antigen; CD47 glycoprotein; CD47 molecule; CD47; IAP; IAPintegrin associated protein; Integrin-associated protein; leukocyte surface antigen CD47; MER6; MER6integrin-associated signal transducer; OA3; Protein MER6; Rh-related antigen

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Product Specific Notices


This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.

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