Mouse CD47 Alexa Fluor® 488-conjugated Antibody Summary
Gln19-Pro158
Accession # NP_034711
Applications
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
- 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).
- Sarfati, M. et al. (2009) Curr. Drug Targ. 9:842.
- Isenberg, J.S. et al. (2008) Arterioscler. Thromb. Vasc. Biol. 28:615.
- Lindberg, F.P. et al. (1993) J. Cell Biol. 123:485.
- Maile, L.A. et al. (2008) Mol. Endocrinol. 22:1226.
- Oldenborg, P.-A. et al. (2000) Science 288:2051.
- Liu, Y. et al. (2002) J. Biol. Chem. 277:10028.
- Stefanidakis, M. et al. (2008) Blood 112:1280.
- de Vries, H.E. et al. (2002) J. Immunol. 168:5832.
- Manna, P.P. et al. (2005) J. Biol. Chem. 280:29637.
- Avice, M.-N. et al. (2001) J. Immunol. 167:2459.
- Bouguermouh, S. et al. (2008) J. Immunol. 180:8073.
- Barazi, H.O. et al. (2002) J. Biol. Chem. 277:42859.
- Isenberg, J.S. et al. (2009) Nitric Oxide 21:52.
- Isenberg, J.S. et al. (2009) Matrix Biol. 28:110.
- Kukreja, A. et al. (2009) Blood 114:3413.
- Wang H. et al. (2007) Blood 109:836.
Product Datasheets
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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