HEK293 human embryonic kidney cell line transfected with (A) Fas Ligand/TNFSF6 or (B) irrelevant protein, and eGFP were stained with Goat Anti-Human Fas Ligand/TNFSF6 Affinity Purified Polyclonal Antibody (Catalog # ...read more
Fas Ligand/TNFSF6 was detected in immersion fixed paraffin-embedded sections of human melanoma tissue using Goat Anti-Human Fas Ligand/TNFSF6 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF126) at 15 µg/mL ...read more
Fas Ligand/TNFSF6 was detected in immersion fixed paraffin-embedded sections of human thymus using Goat Anti-Human Fas Ligand/TNFSF6 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF126) at ...read more
In the presence of a cross-linking antibody, Mouse polyHistidine Monoclonal Antibody (10 µg/mL, Catalog # MAB050), Recombinant Human Fas Ligand/TNFSF6 (Catalog # 126-FL) induces apoptosis in the Jurkat human acute T ...read more
Chinese hamster ovary cell line CHO-derived recombinant human Fas Ligand/TNFSF6 Pro134-Leu281 Accession # Q53ZZ1
Specificity
Detects human Fas Ligand in direct ELISAs and Western blots. In direct ELISAs, approximately 20% cross-reactivity with recombinant mouse Fas Ligand is observed, approximately 7% cross-reactivity with recombinant rat Fas Ligand and recombinant human (rh) BAFF, and less than 1% cross-reactivity with rhTRAIL, rhTNF-alpha , rhGITR Ligand, and rhAPRIL is observed.
Source
N/A
Isotype
IgG
Clonality
Polyclonal
Host
Goat
Gene
FASLG
Purity Statement
Antigen Affinity-purified
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.
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.
Buffer
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.
Preservative
No Preservative
Concentration
LYOPH
Reconstitution Instructions
Reconstitute at 0.2 mg/mL in sterile PBS.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Fas Ligand/TNFSF6 Antibody [Unconjugated]
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
Background
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).
Lettau, M. et al. (2008) Curr. Med. Chem. 15:1684.
Takahashi, T. et al. (1994) Int. Immunol. 6:1567.
Seino, K-I. et al. (1998) J. Immunol. 161:4484.
Suda, T. et al. (1993) Cell 75:1169.
Pitti, R.M. et al. (1998) Nature 396:699.
Schneider, P. et al. (1998) J. Exp. Med. 187:1205.
Tanaka, M. et al. (1998) Nature Med. 4:31.
Chen, J-J. et al. (1998) Science 282:1714.
Suzuki, I. and P.J. Fink (2000) Proc. Natl. Acad. Sci. USA 97:1707.
Ferguson, T.A. and T.S. Griffith (2006) Immunol. Rev. 213:228.
Ryan, A.E. et al. (2005) Cancer Res. 65:9817.
Takahashi, T. et al. (1994) Cell 76:969.
Lynch, D.H. et al. (1994) Immunity 1:131.
Limitations
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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