Mouse Fas Ligand/TNFSF6 Antibody

Catalog #: MAB526 Datasheet / COA / SDS

Catalog #	Availability	Size / Price	Qty
MAB526
MAB526-SP

Cytotoxicity Induced by Fas Ligand/TNFSF6 and Neutralization by Mouse Fas Ligand/TNFSF6 Antibody.

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Mouse Fas Ligand/TNFSF6 Antibody Summary

Species Reactivity

Mouse

Specificity

Detects mouse Fas Ligand/TNFSF6 in direct ELISAs and Western blots. In Western blots, approximately 10% cross-reactivity with recombinant human (rh) TRAIL and recombinant mouse (rm) TRANCE is observed and 5% cross-reactivity with rhFas Ligand, recombinant rat Fas Ligand, rmTNF-alpha, rhAPRIL, and rhVEGI is observed and no cross-reactivity with rhGITR Ligand and rhLIGHT is observed.

Source

Monoclonal Rat IgG₁ Clone # 101624

Purification

Protein A or G purified from hybridoma culture supernatant

Immunogen

Mouse myeloma cell line NS0-derived recombinant mouse Fas Ligand/TNFSF6
Pro132-Leu279
Accession # P41047

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Endotoxin Level

<0.10 EU per 1 μg of the antibody by the LAL method.

Label

Unconjugated

Applications

Recommended Concentration

Sample

Western Blot

1 µg/mL

Recombinant Mouse Fas Ligand/TNFSF6 (Catalog # 526-SA)

Neutralization

Measured by its ability to neutralize Fas Ligand/TNFSF6-induced cytotoxicity in the Jurkat human acute T cell leukemia cell line. The Neutralization Dose (ND₅₀) is typically 4-20 µg/mL in the presence of 5 µg/mL Recombinant Mouse Fas Ligand/TNFSF6 and 10 µg/mL of a cross-linking antibody, Mouse polyHistidine Monoclonal Antibody.

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

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Cytotoxicity Induced by Fas Ligand/TNFSF6 and Neutralization by Mouse Fas Ligand/TNFSF6 Antibody. In the presence of a cross-linking antibody, Mouse polyHistidine Monoclonal Antibody (10 µg/mL, Catalog # MAB050), Recombinant Mouse Fas Ligand/TNFSF6 (Catalog # 526-SA) induces cytotoxicity in the Jurkat human acute T cell leukemia cell line in a dose-dependent manner (orange line). Under these conditions, cytotoxicity elicited by Recombinant Mouse Fas Ligand/ TNFSF6 (5 µg/mL) is neutral-ized (green line) by increasing concentrations of Rat Anti-Mouse Fas Ligand/TNFSF6 Monoclonal Antibody (Catalog # MAB526). The ND₅₀ is typically 10-20 µg/mL.

Reconstitution Calculator

Preparation and Storage

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS.

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

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.

Background: Fas Ligand/TNFSF6

Fas Ligand (FasL) is a 40 kDa type II membrane protein belonging to the TNF family. In the new TNF super family nomenclature, FasL is referred to as TNFSF6. The specific receptor for FasL is Fas (CD95, Apo-1), a 45 kDa type I transmembrane protein that is a member of the TNF receptor family. FasL is predominantly expressed on activated T cells and NK cells, while Fas is expressed on various types of cells. The Fas/FasL system plays a crucial role in modulating immune response by inducing cell apoptosis to maintain homeostasis, self-tolerance of lymphocytes, and immune privilege. FasL was reported to be a potent chemoattractant for neutrophils, suggesting a novel proinflammatory function of this molecule. Like other members of the TNF family, the membrane-bound FasL can be cleaved by metalloproteinase to generate the soluble Fas ligand (sFasL) which is mainly a non-covalently linked homotrimer. It has been shown that the membrane-bound TNF‑ alpha and FasL are primary activators of their receptors. In contrast to soluble TNF‑ alpha which has potent cytotoxicity, sFasL is much less cytotoxic. Studies have shown that sFasL may competitively inhibit the killing effect of membrane FasL indicating that the cleaving of membrane FasL might be a mechanism to down‑regulate their activities.

References

Suda, T. et al. (1993) Cell 75:1169.
Kägi, D. et al. (1994) Science 265:528.
Schneider, P. et al. (1998) J. Exp. Med. 187:1205.
Seino, K. et al. (1998) J. Immunol. 161:4484.

Entrez Gene IDs

356 (Human); 14103 (Mouse); 25385 (Rat)

Alternate Names

apoptosis (APO-1) antigen ligand 1; Apoptosis antigen ligand; APT1LG1CD95L; APTL; CD178 antigen; CD178; CD95L; CD95-L; Fas antigen ligand; Fas ligand (TNF superfamily, member 6); Fas Ligand; FASLCD95 ligand; FASLG; TNFSF6; TNFSF6FasL; tumor necrosis factor (ligand) superfamily, member 6; tumor necrosis factor ligand superfamily member 6