Recombinant Mouse OX40/TNFRSF4 Fc Chimera Protein, CF

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Summary
Reactivity MuSpecies Glossary
Applications Bioactivity
Format
Carrier-Free

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Recombinant Mouse OX40/TNFRSF4 Fc Chimera Protein, CF Summary

Details of Functionality
Measured by its ability to inhibit OX40 Ligand induced IL-2 secretion by mouse T cells. The ED50 for this effect is 0.1-0.3 µg/mL in the presence of 30 ng/mL of Recombinant Mouse OX40 Ligand/TNFSF4 (Catalog # 1236-OX).
Source
Mouse myeloma cell line, NS0-derived mouse OX40/TNFRSF4 protein
Murine OX40
(Val20-Pro211)
Accession # P47741
DIEGRMD Human IgG1
(Pro100-Lys330)
N-terminus C-terminus
Accession #
N-terminal Sequence
Val20
Structure / Form
Disulfide-linked homodimer
Protein/Peptide Type
Recombinant Proteins
Gene
Tnfrsf4
Purity
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Theoretical MW
48 kDa (monomer).
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
SDS-PAGE
65-75 kDa, reducing conditions
Reviewed Applications
Read 1 Review rated 5
using
1256-OX in the following application:

Publications
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1256-OX in the following applications:

Packaging, Storage & Formulations

Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS.
Purity
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain
Reconstitution Instructions
Reconstitute at 100 μg/mL in sterile PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Mouse OX40/TNFRSF4 Fc Chimera Protein, CF

  • ACT-135
  • ACT35 antigen
  • ACT35ATC35 antigen
  • CD134 antigen
  • CD134
  • Ly-70
  • OX40 cell surface antigen
  • OX40 homologue
  • OX40
  • OX40L receptor
  • OX40lymphoid activation antigene ACT35
  • TAX transcriptionally-activated glycoprotein 1 receptor
  • tax-transcriptionally activated glycoprotein 1 receptor
  • TNFRSF4
  • tumor necrosis factor receptor superfamily member 4
  • tumor necrosis factor receptor superfamily, member 4
  • Txgp1
  • TXGP1L
  • TXGP1LOX40 antigen

Background

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). Mouse OX40 cDNA encodes a 256 amino acid (aa) type I transmembrane glycoprotein with a 19 aa signal sequence, a 192 aa extracellular domain (ECD) that contains a cysteine-rich region, a 25 aa transmembrane segment, and a 36 aa cytoplasmic domain (4). The ECD of mouse OX40 shares 90% and 63% sequence identity with the ECD of rat and human OX40, respectively. 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).
  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.

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Publications for OX40/TNFRSF4 (1256-OX)(2)

Review for OX40/TNFRSF4 (1256-OX) (1) 51

Average Rating: 5
(Based on 1 review)

Reviews using 1256-OX:
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reviewed by:
Anonymous
11/16/2018
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Summary

LotGDO0217011

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Bioinformatics

Gene Symbol Tnfrsf4
Uniprot