Human OX40/TNFRSF4 Alexa Fluor™ Plus 488‑conjugated Antibody

R&D Systems | Catalog # FAB10563AFP488

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Key Product Details

Species Reactivity

Human

Applications

Neutralization, Flow Cytometry, CyTOF-ready

Label

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

Antibody Source

Recombinant Monoclonal Rabbit IgG Clone # 2553D
View all OX40 Primary Antibodies »

Product Specifications

Specificity

Detects human OX40/TNFRSF4 in direct ELISAs.

Clonality

Monoclonal

Host

Rabbit

Isotype

IgG

Applications for Human OX40/TNFRSF4 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.

Neutralization

Optimal dilution of this antibody should be experimentally determined.

Spectra Viewer

Plan Your Experiments

Use our spectra viewer to interactively plan your experiments, assessing multiplexing options. View the excitation and emission spectra for our fluorescent dye range and other commonly used dyes.

Spectra Viewer
Spectra Viewer

Flow Cytometry Panel Builder

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Advanced Features

  • Spectra Viewer - Custom analysis of spectra from multiple fluorochromes
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  • Antigen Density Selector - Match fluorochrome brightness with antigen density
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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: OX40

OX40 (CD134; TNFRSF4) is a T cell co-stimulatory molecule of the TNF receptor superfamily that coordinates with other co-stimulators (CD28, CD40, CD30, CD27 and 4-1BB) to manage the activation of the immune response (1-3). Human OX40 is a 48 kDa type I transmembrane glycoprotein with a 28 amino acid (aa) signal sequence, a 185 aa extracellular domain (ECD) that contains a cysteine-rich region, a 20 aa transmembrane segment, and a 41 aa cytoplasmic domain (4). The ECD of human OX40 shares 63% sequence identity with the ECD of mouse and rat OX40. OX40 is up-regulated on CD4+ and CD8+ T cells upon engagement of the TCR by antigen presenting cells along with co-stimulation by CD40-CD40 Ligand and CD28-B7 (5, 6). OX40 Ligand is primarily expressed on antigen presenting cells (5). OX40 Ligand engagement of OX40 on activated CD4+ T cells results in increased T cell survival, proliferation, and cytokine production. It also inhibits the conversion of effector T cells into immunosuppressive regulatory T cells (Tregs) and can promote the maintenance of and recall response in memory T cells (3, 7-10). OX40 is constitutively expressed on Tregs and enhances the sensitivity of Tregs to IL-2, thus promoting Treg proliferation. OX40 has also been shown to decrease the cells’ immunosuppressive activity on effector T cells (11-14). OX40-OX40 Ligand signaling is involved in allergic airway inflammation, graft-versus-host disease and autoimmune disease (6, 15, 16). Mutations in OX40 and OX40 Ligand are associated with cardiovascular disease (17, 18).

References

  1. Hori, T. (2006) Int. J. Hematol. 83:17.
  2. Latza, U. et al. (1994) Eur. J. Immunol. 24:677.
  3. Salek-Ardakani, S. et al. (2003) J. Exp. Med. 198:315.
  4. al-Shamkhani, A. et al. (1996) Eur. J. Immunol. 26:1695.
  5. Moran, A.E. et al. (2013) Curr. Opin. Immunol. 25:230.
  6. Gramaglia, I. et al. (1998) J. Immunol. 161:6510.
  7. Xiao, X. et al. (2008) J. Immunol. 181:3193.
  8. So, T. and M. Croft (2007) J. Immunol. 179:1427.
  9. Mousavi, S.F. et al. (2008) J. Immunol. 181:5990.
  10. Bansal-Pakala, P. et al. (2001) Nat. Med. 7:907.
  11. Piconese, S. et al. (2010) Eur. J. Immunol. 40:2902.
  12. Griseri, T. et al. (2010) J. Exp. Med. 207:699.
  13. Xiao, X. et al. (2012) J. Immunol. 188:892.
  14. Vu, M.D. et al. (2007) Blood 110:2501.
  15. Damayanti, T. et al. (2010) Am. J. Respir. Crit. Care Med. 181:688.
  16. Xiao, X. et al. (2012) Nat. Immunol. 13:981.
  17. Nakano, M. et al. (2010) Cardiovasc. Res. 88:539.
  18. Ishii, N. et al. (2010) Adv. Immunol. 105:63.
  19. Godfrey, W.R. et al. (1994) J. Exp. Med. 180:757

Alternate Names

ACT-135, CD134, Ly-70, TNFRSF4, Txgp1, TXGP1L

Entrez Gene IDs

7293 (Human); 22163 (Mouse); 25572 (Rat); 102145978 (Cynomolgus Monkey)

Gene Symbol

TNFRSF4

UniProt

P34389

Additional OX40 Products

Product Documents for Human OX40/TNFRSF4 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 OX40/TNFRSF4 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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