OX40 Ligand/TNFSF4 Antibody (159403) [Unconjugated]


OX40 Ligand/TNFSF4 was detected in immersion fixed human peripheral blood mononuclear cells (PBMCs) stimulated with LPS using Mouse Anti-Human OX40 Ligand/TNFSF4 Monoclonal Antibody (Catalog # MAB10541) at 25 µg/mL for ...read more
Human mature dentritic cells differentated from human peripheral blood mononuclear cell derived CD14+ cells treated with 20 ng/mL Recombinant Human IL‑4 (Catalog # 204-IL) and 50 ng/mL Recombinant Human GM‑CSF ...read more
Recombinant Human OX40 Ligand/TNFSF4 (Catalog # 1054-OX) induces IL‑8 secretion in the HT1080 human fibrosarcoma cell line transfected with human OX40 in a dose-dependent manner (orange line) as measured by Human ...read more

Product Details

Reactivity HuSpecies Glossary
Applications Flow, B/N, CyTOF-ready, ICC/IF

OX40 Ligand/TNFSF4 Antibody (159403) [Unconjugated] Summary

Mouse myeloma cell line NS0-derived recombinant human OX40 Ligand
Accession # P23510
Detects human OX40 Ligand in direct ELISAs. In direct ELISAs, no cross-reactivity with recombinant human (rh) APRIL, rhBAFF, rhCD27 Ligand, recombinant mouse (rm) CD27 Ligand, rhCD30 Ligand, rmCD30 Ligand, rhCD40 Ligand, rmEDA, rhFas Ligand, rmFas Ligand, rhGITR Ligand, recombinant cotton rat TNF-alpha, rhTNF-alpha, rmTNF-alpha, recombinant porcine TNF-alpha, recombinant rat TNF-alpha, rhTRAIL, rhTRANCE, rmTRANCE, or rhVEGF is observed.
Purity Statement
Protein A or G purified from hybridoma culture supernatant
Endotoxin Note
<0.10 EU per 1 μg of the antibody by the LAL method.
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.


  • Flow Cytometry 2.5 ug/10^6 cells
  • CyTOF-ready
  • Immunocytochemistry 8-25 ug/mL
  • Neutralization 0.1-0.6 ug/mL
Read Publications using
MAB10541 in the following applications:

Packaging, Storage & Formulations

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.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
No Preservative
Reconstitution Instructions
Reconstitute at 0.5 mg/mL in sterile PBS.


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

Alternate Names for OX40 Ligand/TNFSF4 Antibody (159403) [Unconjugated]

  • CD134 ligand
  • CD134L
  • CD252 antigen
  • CD252
  • Glycoprotein Gp34
  • gp34
  • OX40 antigen ligand
  • OX40 Ligand
  • OX40L
  • OX-40L
  • OX4OL
  • TAX transcriptionally-activated glycoprotein 1
  • tax-transcriptionally activated glycoprotein 1 (34kD)
  • tax-transcriptionally activated glycoprotein 1, 34kD
  • TNFSF4
  • tumor necrosis factor (ligand) superfamily, member 4
  • tumor necrosis factor ligand superfamily member 4
  • TXGP1


OX40 Ligand (OX40L), also known as gp34, is a type II transmembrane glycoprotein designated TNFSF4 within the TNF superfamily. Human OX40L cDNA encodes a 183 amino acids (aa) polypeptide with an amino-terminal cytoplasmic domain (aa 1-23) and a carboxy-terminal extracellular domain (aa 51-183). It shares 46% aa sequence identity with the mouse counterpart. OX40L is expressed on the surface of activated B cells, T cells, dendritic cells and endothelial cells. Like other TNF superfamily members, membrane-bound OX40 Ligand exists as a homotrimer. OX40L binds to OX40 (CD134), a member of the TNF receptor superfamily that is expressed predominantly on activated CD4+ T cells. OX40 Ligand is one of the group of co-stimulatory molecules in the immune system that includes B7, CD40 Ligand, CD30 Ligand, CD27 Ligand and 4-1BB Ligand. OX40 appears as a late activation-induced T cell surface antigen, and its major function of OX40-OX40L interaction may be to transmit a late co-stimulatory signal to promote the survival and proliferation of activated CD4+ T cells and prolong the immune response. Engagement of OX40 on activated T cells in situ in tumors has been shown to augment immune responses and subsequent tumor regression.

  1. Godfrey, W.R. et al. (1994) J. Exp. Med. 180:757.
  2. Baum, P.R. et al. (1994) EMBO J. 13:3992.
  3. Al-Shamkhani, A. et al. (1997) J. Biol. Chem. 272:5275.
  4. Kjaergaard, J. et al. (2000) Cancer Res. 60:5514.


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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Publications for OX40 Ligand/TNFSF4 Antibody (MAB10541)(5)

We have publications tested in 1 confirmed species: Human.

We have publications tested in 2 applications: IHC, Neutralization.

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Showing Publications 1 - 5 of 5.
Publications using MAB10541 Applications Species
C Jacquemin, JF Augusto, M Scherlinge, N Gensous, E Forcade, I Douchet, E Levionnois, C Richez, E Lazaro, P Duffau, ME Truchetet, J Seneschal, L Couzi, JL Pellegrin, JF Viallard, T Schaeverbe, V Pascual, C Contin-Bor, P Blanco OX40L/OX40 axis impairs follicular and natural Treg function in human SLE JCI Insight, 2018;3(24):. 2018 [PMID: 30568041] (IHC, Human) IHC Human
MMM Kaisar, M Ritter, C Del Fresno, HS Jónasdótti, AJ van der Ha, LR Pelgrom, G Schramm, LE Layland, D Sancho, C Prazeres d, M Giera, M Yazdanbakh, B Everts Dectin-1/2-induced autocrine PGE2 signaling licenses dendritic cells to prime Th2 responses PLoS Biol., 2018;16(4):e2005504. 2018 [PMID: 29668708] (Neutralization, Human) Neutralization Human
Beynon V, Quintana FJ, Weiner HL Activated Human CD4+CD45RO+ Memory T-Cells Indirectly Inhibit NLRP3 Inflammasome Activation through Downregulation of P2X7R Signalling. PLoS ONE, 2012;7(6):e39576. 2012 [PMID: 22768094] (Neutralization, Human) Neutralization Human
B7-CD28 costimulatory signals control the survival and proliferation of murine and human gammadelta T cells via IL-2 production. J. Immunol., 2012;189(3):1202-8. 2012 [PMID: 22732586] (Neutralization, Human) Neutralization Human
Godfrey WR, Spoden DJ, Ge YG, Baker SR, Liu B, Levine BL, June CH, Blazar BR, Porter SB Cord blood CD4(+)CD25(+)-derived T regulatory cell lines express FoxP3 protein and manifest potent suppressor function. Blood, 2005;105(2):750-8. 2005 [PMID: 15374887] (Neutralization, Human) Neutralization Human

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Gene Symbol TNFSF4