Human Fas Ligand/TNFSF6 Antibody

Catalog # Availability Size / Price Qty
MAB0951-100
MAB0951-SP
Human Fas Ligand/TNFSF6 Antibody in Immunohistochemistry
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Human Fas Ligand/TNFSF6 Antibody Summary

Species Reactivity
Human
Specificity
Detects human Fas Ligand/TNFSF6 in direct ELISAs.
Source
Monoclonal Mouse IgG2B Clone # 154911
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
Chinese Hamster Ovary cell line, CHO-derived human Fas Ligand/TNFSF6
Pro134-Leu281
Accession # P48023
Formulation
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.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Immunohistochemistry
5-25 µg/mL
See below

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.

Data Example

Immunohistochemistry Fas Ligand/TNFSF6 in Human Thymus. View Larger

Fas Ligand/TNFSF6 in Human Thymus. Fas Ligand/TNFSF6 was detected in immersion fixed paraffin-embedded sections of human thymus (Hassall's corpuscle) using Mouse Anti-Human Fas Ligand/TNFSF6 Monoclonal Antibody (Catalog # MAB0951) at 5 µg/mL for 1 hour at room temperature followed by incubation with the Anti-Mouse IgG VisUCyte™ HRP Polymer Antibody (Catalog # VC001). Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained using DAB (brown) and counterstained with hematoxylin (blue). Specific staining was localized to cytoplasm. View our protocol for IHC Staining with VisUCyte HRP Polymer Detection Reagents.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
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), also known as CD178, CD95L, or TNFSF6, is a 40 kDa type II transmembrane member of the TNF superfamily of proteins. Its ability to induce apoptosis in target cells plays an important role in the development, homeostasis, and function of the immune system (1). Mature human Fas Ligand consists of a 179 amino acid (aa) extracellular domain (ECD), a 22 aa transmembrane segment, and a 80 aa cytoplasmic domain (2). Within the ECD, human Fas Ligand shares 81% and 78% aa sequence identity with mouse and rat Fas Ligand, respectively. Both mouse and human Fas Ligand are active on mouse and human cells (2, 3). Fas Ligand is expressed on the cell surface as a nondisulfide-linked homotrimer on activated CD4+ Th1 cells, CD8+ cytotoxic T cells, and NK cells (1). Fas Ligand binding to Fas/CD95 on an adjacent cell triggers apoptosis in the Fas‑expressing cell (2, 4). Fas Ligand also binds DcR3 which is a soluble decoy receptor that interferes with Fas Ligand-induced apoptosis (5). Fas Ligand can be released from the cell surface by metalloproteinases as a 26 kDa soluble molecule which remains trimeric (6, 7). Shed Fas Ligand retains the ability to bind Fas, although its ability to trigger apoptosis is dramatically reduced (6, 7). In the absence of TGF‑ beta, however, Fas Ligand/Fas interactions instead promote neutrophil-mediated inflammatory responses (3, 8). Fas Ligand itself transmits reverse signals that costimulate the proliferation of freshly antigen-stimulated T cells (9). Fas Ligand-induced apoptosis plays a central role in the development of immune tolerance and the maintance of immune privileged sites (10). This function is exploited by tumor cells which evade immune surveillance by upregulating Fas Ligand to kill tumor infiltrating lymphocytes (8, 11). In gld mice, a Fas Ligand point mutation is the cause of severe lymphoproliferation and systemic autoimmunity (12, 13).

References
  1. Lettau, M. et al. (2008) Curr. Med. Chem. 15:1684.
  2. Takahashi, T. et al. (1994) Int. Immunol. 6:1567.
  3. Seino, K-I. et al. (1998) J. Immunol. 161:4484.
  4. Suda, T. et al. (1993) Cell 75:1169.
  5. Pitti, R.M. et al. (1998) Nature 396:699.
  6. Schneider, P. et al. (1998) J. Exp. Med. 187:1205.
  7. Tanaka, M. et al. (1998) Nature Med. 4:31.
  8. Chen, J-J. et al. (1998) Science 282:1714.
  9. Suzuki, I. and P.J. Fink (2000) Proc. Natl. Acad. Sci. 97:1707.
  10. Ferguson, T.A. and T.S. Griffith (2006) Immunol. Rev. 213:228.
  11. Ryan, A.E. et al. (2005) Cancer Res. 65:9817.
  12. Takahashi, T. et al. (1994) Cell 76:969.
  13. Lynch, D.H. et al. (1994) Immunity 1:131.
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

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Secondary Antibodies

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