CD59 Antibody (2491C) [Alexa Fluor® 405] Summary
Additional Information |
Recombinant Monoclonal Antibody. |
Immunogen |
Mouse myeloma cell line, NS0-derived recombinant human CD59 Leu26-Asn102 Accession # P13987 |
Specificity |
Detects human CD59 in direct ELISAs. |
Source |
N/A |
Isotype |
IgG |
Clonality |
Monoclonal |
Host |
Rabbit |
Purity Statement |
Protein A or G purified from cell culture supernatant |
Innovator's Reward |
Test in a species/application not listed above to receive a full credit towards a future purchase. |
Packaging, Storage & Formulations
Storage |
Protect from light. Do not freeze.- 12 months from date of receipt, 2 to 8 °C as supplied.
|
Buffer |
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide. |
Notes
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.
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Background
CD59, also known as membrane attack complex inhibition factor (MACIF) and Protectin, is an approximately 20 kDa GPI‑anchored glycoprotein that is an important regulator of the complement system in blood. The complement system triggers innate immune responses to immune complexes, MBL‑opsonized microorganisms, and apoptotic cells through the classical, lectin, and alternative pathways. One major consequence of complement activation is the assembly of a membrane attack complex (MAC) composed of one molecule each of complement proteins C5b, C6, C7, and C8 (C5b‑8) followed by the incorporation of multiple copies of C9 (C5b‑9). Membrane insertion of the MAC results in formation of a cytolytic pore in the target cell (1). CD59, which is widely expressed on healthy cells, binds to both C8 and C9 and shields them from complement‑mediated lysis. It inhibits MAC pore formation by blocking C5b‑8 complex membrane insertion and the incorporation of C9 molecules (2‑4). The binding of CD59 to C8 and C9 is species‑selective, and this contributes to the restricted ability of MACs to lyse cells of other species (5). The cytoprotective function of CD59 plays a variety of roles in pathology. It limits tissue damage and inflammation following ischemia/reperfusion injury (6, 7). It also protects against the development of atherosclerosis and abdominal aortic aneurysms (8, 9). Its protectiveness can be inactivated by diabetes‑induced glycation, leading to increased MAC deposition and hemolytic anemia (10). In contrast, CD59 can be exploited to promote red cell lysis; it functions as a cellular receptor for the bacterial pore‑forming toxin Intermedilysin (11). CD59 can be incorporated into several enveloped viruses such as hepatitis C virus where it limits the destruction of virus particles (12). Aside from its complement regulatory functions, CD59 limits the activation of T cells following their interaction with antigen presenting cells (13), but it promotes NK cell activation through association with NKp30 and NKp46 (14). In mouse, gene duplication has given rise to two related proteins, CD59a and CD59b. Mature human CD59 shares 37%, 43%, and 44% amino acid sequence identity with mouse CD59a, mouse CD59b, and rat CD59, respectively (15).
- Ricklin, D. et al. (2010) Nat. Rev. Immunol. 11:785.
- Farkas, I. et al. (2002) J. Physiol. 539:537.
- Meri, S. et al. (1990) Immunology 71:1.
- Rollins, S.A. and P.J. Sims (1990) J. Immunol. 144:3478.
- Rollins, S.A. et al. (1991) J. Immunol. 146:2345.
- Turnberg, D. et al. (2004) Am. J. Physiol. 165:825.
- Zhang, J. et al. (2011) Am. J. Pathol. 179:2876.
- Wu, G. et al. (2009) Circ. Res. 104:550.
- Wu, G. et al. (2010) Circulation 121:1338.
- Acosta, J. et al. (2000) Proc. Natl. Acad. Sci. USA 97:5450.
- Giddings, K.S. et al. (2004) Nat. Str. Mol. Biol. 11:1173.
- Amet, T. et al. (2012) Hepatology 55:354.
- Xie, X.-H. et al. (2012) Cell. Immunol. 274:1.
- Marcenaro, E. et al. (2003) Eur. J. Immunol. 33:3367.
- Sugita, Y. et al. (1989) J. Biochem. 106:555.
Limitations
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are
guaranteed for 1 year from date of receipt.
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