Human CD59 Alexa Fluor™ Plus 488‑conjugated Antibody

R&D Systems | Catalog # FAB1987AFP488

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Key Product Details

Species Reactivity

Human

Applications

Flow Cytometry, CyTOF-ready

Label

Alexa Fluor Plus 488 (Excitation = 493 nm, Emission = 518 nm)

Antibody Source

Recombinant Monoclonal Rabbit IgG Clone # 2491C
View all CD59 Primary Antibodies »

Product Specifications

Specificity

Detects human CD59 in direct ELISAs.

Clonality

Monoclonal

Host

Rabbit

Isotype

IgG

Applications for Human CD59 Alexa Fluor™ Plus 488‑conjugated Antibody

Application
Recommended Usage

CyTOF-ready

Optimal dilution of this antibody should be experimentally determined.

Flow Cytometry

Optimal dilution of this antibody should be experimentally determined.

Spectra Viewer

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Flow Cytometry

Formulation, Preparation, and Storage

Formulation

Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.

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: CD59

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).

References

  1. Ricklin, D. et al. (2010) Nat. Rev. Immunol. 11:785.
  2. Farkas, I. et al. (2002) J. Physiol. 539:537.
  3. Meri, S. et al. (1990) Immunology 71:1.
  4. Rollins, S.A. and P.J. Sims (1990) J. Immunol. 144:3478.
  5. Rollins, S.A. et al. (1991) J. Immunol. 146:2345.
  6. Turnberg, D. et al. (2004) Am. J. Physiol. 165:825.
  7. Zhang, J. et al. (2011) Am. J. Pathol. 179:2876.
  8. Wu, G. et al. (2009) Circ. Res. 104:550.
  9. Wu, G. et al. (2010) Circulation 121:1338.
  10. Acosta, J. et al. (2000) Proc. Natl. Acad. Sci. USA 97:5450.
  11. Giddings, K.S. et al. (2004) Nat. Str. Mol. Biol. 11:1173.
  12. Amet, T. et al. (2012) Hepatology 55:354.
  13. Xie, X.-H. et al. (2012) Cell. Immunol. 274:1.
  14. Marcenaro, E. et al. (2003) Eur. J. Immunol. 33:3367.
  15. Sugita, Y. et al. (1989) J. Biochem. 106:555.

Alternate Names

CD59, HRF20, MACIF, MIC11, Protectin

Entrez Gene IDs

966 (Human)

Gene Symbol

CD59

UniProt

P13987

Additional CD59 Products

Product Documents for Human CD59 Alexa Fluor™ Plus 488‑conjugated Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Human CD59 Alexa Fluor™ Plus 488‑conjugated Antibody


This product is provided under an intellectual property license from Life Technologies Corporation. The transfer of this product is conditioned on the buyer using the purchased product solely in research conducted by the buyer, excluding contract research or any fee for service research, and the buyer must not (1) use this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; or (c) manufacturing or quality assurance or quality control, and/or (2) sell or transfer this product or its components for resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.

For research use only

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