Human 4-1BB/TNFRSF9/CD137 Alexa Fluor® 647-conjugated Antibody

Recombinant Monoclonal Antibody
Catalog # Availability Size / Price Qty
FAB8382R-100UG
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Human 4-1BB/TNFRSF9/CD137 Alexa Fluor® 647-conjugated Antibody Summary

Species Reactivity
Human
Specificity
Detects human 4-1BB/TNFRSF9/CD137 in direct ELISAs.
Source
Recombinant Monoclonal Rabbit IgG Clone # 2356C
Purification
Protein A or G purified from cell culture supernatant
Immunogen
Chinese Hamster Ovary cell line CHO-derived human 4-1BB/TNFRSF9/CD137
Leu24-His183
Accession # Q07011
Formulation
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
Label
Alexa Fluor 647 (Excitation= 650 nm, Emission= 668 nm)

Applications

Recommended Concentration
Sample
Flow Cytometry
0.25-1 µg/106 cells
Human PBMC treated with PHA

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: 4-1BB/TNFRSF9/CD137

4-1BB, also known as CD137 and TNFRSF9, is an approximately 30 kDa transmembrane glycoprotein in the TNF receptor superfamily. 4-1BB functions in the development and activation of multiple immune cells (1). Mature human 4-1BB consists of a 163 amino acid (aa) extracellular domain (ECD) with four TNFR cysteine-rich repeats, a 27 aa transmembrane segment, and a 42 aa cytoplasmic domain (2, 3). Within the ECD, human 4-1BB shares 60% aa sequence identity with mouse and rat 4-1BB. 4-1BB is expressed as a disulfide-linked homodimer on various populations of activated T cell including CD4+, CD8+, memory CD8+, NKT, and regulatory T cells (4-7) as well as on myeloid and mast cell progenitors, dendritic cells, mast cells, and bacterially infected osteoblasts (8-11). It binds with high affinity to the transmembrane 4-1BB Ligand/TNFSF9 which is expressed on antigen presenting cells and myeloid progenitor cells (3, 8). This interaction costimulates the proliferation, activation, and/or survival of the 4-1BB expressing cell (3-7). It can also enhance the activation-induced cell death of repetitively stimulated T cells (3). Mice lacking 4-1BB show augmented T cell activation, perhaps due to its absence on regulatory T cells (12). 4-1BB can associate with OX40 on activated T cells, forming a complex that responds to either ligand and inhibits Treg and CD8+ T cell proliferation (13). Reverse signaling through 4-1BB Ligand inhibits the development of dendritic cells, B cells, and osteoclasts (8, 11) but supports mature dendritic cell survival and costimulates the proliferation and activation of mast cells (9, 10).
4-1BB activation enhances CD8+ T cell and NK cell mediated anti-tumor immunity (14). It also contributes to the development of inflammation in high fat diet-induced metabolic syndrome (15). Soluble forms of 4-1BB and 4-1BB Ligand circulate at elevated levels in the serum of rheumatoid arthritis and hematologic cancer patients, respectively (16, 17).

References
  1. Wang, C. et al. (2009) Immunol. Rev. 229:192.
  2. Schwarz, H. et al. (1993) Gene 134:295.
  3. Alderson, M.R. et al. (1994) Eur. J. Immunol. 24:2219.
  4. Wen, T. et al. (2002) J. Immunol. 168:4897.
  5. Pulle, G. et al. (2006) J. Immunol. 176:2739.
  6. Zheng, G. et al. (2004) J. Immunol. 173:2428.
  7. Kim, D. et al. (2008) J. Immunol. 180:2062.
  8. Lee, S. et al. (2008) Nat. Immunol. 9:917.
  9. Choi, B.K. et al. (2009) J. Immunol. 182:4107.
  10. Nishimoto, H. et al. (2005) Blood 106:4241.
  11. Saito, K. et al. (2004) J. Biol. Chem. 279:13555.
  12. Lee, S. et al. (2005) J. Immunol. 174:6803.
  13. Ma, B.Y. et al. (2005) Blood 106:2002.
  14. Choi, B.K. et al. (2010) J. Immunol. 185:1404.
  15. Kim, C. et al. (2011) Diabetes 60:3159.
  16. Michel, J. et al. (1998) Eur. J. Immunol. 28:290.
  17. Salih, H.R. et al. (2001) J. Immunol. 167:4059.
Entrez Gene IDs
3604 (Human); 21942 (Mouse); 500590 (Rat); 102127961 (Cynomolgus Monkey)
Alternate Names
4-1BB ligand receptor; 41BB; 4-1BB; CD137 antigen; CD137; CD137MGC2172; CDw137; FLJ43501; ILA; ILAhomolog of mouse 4-1BB; induced by lymphocyte activation (ILA); interleukin-activated receptor, homolog of mouse Ly63; receptor protein 4-1BB; T cell antigen ILA; T-cell antigen 4-1BB homolog; T-cell antigen ILA; TNFRSF9; tumor necrosis factor receptor superfamily member 9; tumor necrosis factor receptor superfamily, member 9

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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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