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Human OX40 Ligand/TNFSF4 Antibody

Catalog #: AF1054
4 Citations Datasheet / COA / SDS
Catalog # Availability Size / Price Qty
AF1054
AF1054-SP
IL-8 Secretion Induced by OX40 Ligand/TNFSF4 and Neutralization by Human OX40 Ligand/TNFSF4 Antibody.
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Citations (4)
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Human OX40 Ligand/TNFSF4 Antibody Summary

Species Reactivity
Human
Specificity
Detects human OX40 Ligand/TNFSF4 in direct ELISAs and Western blots. In direct ELISAs, less than 5% cross-reactivity with recombinant mouse OX40 Ligand/TNFSF4 is observed.
Source
Polyclonal Goat IgG
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. See Certificate of Analysis for details.
*Small pack size (-SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
0.1 µg/mL
Recombinant Human OX40 Ligand/TNFSF4 (Catalog # 1054-OX)
ELISA

This antibody functions as an ELISA detection antibody when paired with Mouse Anti-Human OX40/TNFRSF4 Monoclonal Antibody (Catalog # MAB10544).

This product is intended for assay development on various assay platforms requiring antibody pairs.

 
Neutralization
Measured by its ability to neutralize OX40 Ligand/TNFSF4-induced IL-8 secretion in the HT1080 human fibrosarcoma cell line transfected with human OX40. Muller, N. et al. (2008) FEBS Journal 275:2296. The Neutralization Dose (ND50) is typically 0.015-0.09 μg/mL in the presence of 10 ng/mL Recombinant Human OX40 Ligand/TNFSF4.

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.

Scientific Data

Neutralization IL-8 Secretion Induced by OX40 Ligand/TNFSF4 and Neutralization by Human OX40 Ligand/TNFSF4 Antibody. View Larger

IL-8 Secretion Induced by OX40 Ligand/TNFSF4 and Neutralization by Human OX40 Ligand/TNFSF4 Antibody. 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 as measured by the Human IL-8 DuoSet (Catalog # DY208). IL-8 secretion elicited by Recombinant Human OX40 Ligand/TNFSF4 (10 ng/mL) is neutralized (green line) by increasing concentrations of Goat Anti-Human OX40 Ligand/TNFSF4 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1054). The ND50 is typically 0.015-0.09 µg/mL.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.
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Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Store the unopened product at -20 to -70 °C. Use a manual defrost freezer and avoid repeated freeze-thaw cycles. Do not use past expiration date.

Background: OX40 Ligand/TNFSF4

OX40 Ligand (OX40L), also known as gp34, is a type II transmembrane glycoprotein belonging to 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. Similarly to 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 co-stimulatory molecules in the immune system that includes B7, CD40 Ligand, CD30 Ligand, CD27 Ligand, and 4-1BB Ligand. Because OX40 appears as a late activation-induced T cell surface antigen, it has been speculated that the major function of OX40-OX40L interaction is 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.

References
  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.
Entrez Gene IDs
7292 (Human); 22164 (Mouse); 89814 (Rat)
Alternate Names
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

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Citations for Human OX40 Ligand/TNFSF4 Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

4 Citations: Showing 1 - 4
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  1. CD40 Enhances Type I Interferon Responses Downstream of CD47 Blockade, Bridging Innate and Adaptive Immunity
    Authors: S de Silva, G Fromm, CW Shuptrine, K Johannes, A Patel, KJ Yoo, K Huang, TH Schreiber
    Cancer Immunol Res, 2019-12-18;0(0):.
    Species: Human, Mouse
    Sample Types: Protein
    Applications: Western Blot
  2. HDAC11 plays an essential role in regulating OX40 ligand expression in Hodgkin lymphoma.
    Authors: Buglio D, Khaskhely NM, Voo KS, Martinez-Valdez H, Liu YJ, Younes A
    Blood, 2011-01-14;117(10):2910-7.
    Species: Human
    Sample Types: Whole Cells
    Applications: Neutralization
  3. Mapping the domains of CD134 as a functional receptor for feline immunodeficiency virus.
    Authors: Willett BJ, McMonagle EL, Bonci F, Pistello M, Hosie MJ
    J. Virol., 2006-08-01;80(15):7744-7.
    Species: Feline
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  4. Effector function of CTLs is increased by irradiated colorectal tumor cells that modulate OX-40L and 4-1BBL and is reversed following dual blockade
    Authors: Anita Kumari, Charlie Garnett-Benson
    BMC Research Notes

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