Detects human Fas in direct ELISAs and Western blots. Does not cross-react with rhCD27, rmCD27, rhCD30, rmCD30, rhCD40, rmCD40, rhDR3, rmDR3, rhHVEM, rmHVEM, rhLymphotoxin beta R, rmLymphotoxin beta R, rhTRAIL R1, rmTRAIL R1, rhTRAIL R2, rmTRAIL R2, rhTRAIL R3, or rhTRAIL R4,
Monoclonal Mouse IgG1 Clone # DX2
Protein A or G purified from hybridoma culture supernatant
L cells transfected with human Fas
Supplied in a saline solution containing BSA and Sodium Azide.
Detection of Fas/TNFRSF6/CD95 in Jurkat Human Cell Line by Flow Cytometry.
Jurkat human acute T cell leukemia cell line was stained with Mouse Anti-Human Fas/TNFRSF6/CD95 Fluorescein‑conjugated Monoclonal Antibody (Catalog # FAB142F, filled histogram) or isotype control antibody (Catalog # IC002F, open histogram). View our protocol for Staining Membrane-associated Proteins.
Preparation and Storage
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze.
12 months from date of receipt, 2 to 8 °C as supplied.
Fas, also known as APO-1, CD95, and TNFRSF6, was originally identified as a cell-surface protein which binds to monoclonal antibodies that were cytolytic for various human cell lines. In the TNF Receptor superfamily nomenclature, Fas is referred to as TNFRSF6. Human Fas cDNA encodes a 325 amino acid (aa) residue type 1 membrane protein that belongs to the TNF and NGF receptor family. Alternatively spliced cDNAs encoding multiple Fas isoforms, including a soluble form of Fas lacking the transmembrane domain, have also been identified. Fas is highly expressed in epithelial cells, hepatocytes, activated mature lymphocytes, virus-transformed lymphocytes, and other tumor cells. Fas expression has also been detected in mouse thymus, liver, heart, lung, kidney, and ovary. The ligand for Fas (FasL) has been identified and shown to be a member of the TNF family of type 2 membrane proteins. FasL is predominantly expressed by activated T‑lymphocytes, NK cells, and in tissues with immune-privileged sites. Soluble FasL can be produced by proteolysis of membrane-associated Fas.
Ligation of Fas by FasL or anti-Fas antibody has been shown to induce apoptotic cell death in Fas-bearing cells. Fas plays a role in the down-regulation of the immune reaction and has been shown to be a key mediator of activation-induced death of activated T lymphocytes. Fas-mediated cell death has also been shown to be important for the deletion of activated or autoreactive B lymphocytes. Besides the perforin/granzyme-based mechanism, the Fas system has been identified as the alternate pathway for CTL-mediated cytotoxicity. FasL has also been shown to function in immunological privileged sites by killing infiltrating Fas-bearing lymphocytes and inflammatory cells.
Nagata, S. and P. Golstein (1995) Science 267:1449.
Nagata, S. (1997) Cell 88:355.
Parijs, L. and A.K. Abbas (1996) Current Opinion in Immunol. 8:355.
Green, D.R. and C.F. Ware (1997) Proc. Natl. Acad. Sci. USA 94:5986.
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