Human Fas/TNFRSF6/CD95 Fluorescein-conjugated Antibody

Clone DX2 was used by HLDA to establish CD designation.
(2 citations)   
  • Species Reactivity
  • Specificity
    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,
  • Source
    Monoclonal Mouse IgG1 Clone # DX2
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    L cells transfected with human Fas
  • Formulation
    Supplied in a saline solution containing BSA and Sodium Azide.
  • Label
  • Flow Cytometry
    10 µL/106 cells
    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 Examples
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
  • Shipping
    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.
Background: Fas/TNFRSF6/CD95

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.

  • References:
    1. Nagata, S. and P. Golstein (1995) Science 267:1449.
    2. Nagata, S. (1997) Cell 88:355.
    3. Parijs, L. and A.K. Abbas (1996) Current Opinion in Immunol. 8:355.
    4. Green, D.R. and C.F. Ware (1997) Proc. Natl. Acad. Sci. USA 94:5986.
  • Long Name:
  • Entrez Gene IDs:
    355 (Human); 14102 (Mouse); 246097 (Rat); 493881 (Feline)
  • Alternate Names:
    Apo-1 antigen; Apo-1; apoptosis antigen 1; Apoptosis-mediating surface antigen FAS; APT1; APT1FASTM; CD95 antigen; CD95; CD95ALPS1A; Fas (TNF receptor superfamily, member 6); Fas AMA; Fas antigen; FAS1; FASLG receptor; TNFRSF6; TNFRSF6member 6; tumor necrosis factor receptor superfamily member 6
Related Research Areas

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.

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Sample Type
  1. Homeostatic regulation of T effector to Treg ratios in an area of seasonal malaria transmission.
    Authors: Finney OC, Nwakanma D, Conway DJ, Walther M, Riley EM
    Eur. J. Immunol., 2009;39(5):1288-300.
    Species: Human
    Sample Type: Whole Cells
    Application: Flow
  2. Human cytomegalovirus blocks tumor necrosis factor alpha- and interleukin-1beta-mediated NF-kappaB signaling.
    Authors: Montag C, Wagner J, Gruska I, Hagemeier C
    J. Virol., 2006;80(23):11686-98.
    Species: Human
    Sample Type: Whole Cells
    Application: Flow
Isotype Controls
Description Application Cat# Citations Images  

Mouse IgG1 Fluorescein-conjugated Antibody

Ctrl IC002F 9  
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Staining Reagents
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Flow Cytometry Staining Buffer (1X)

Flow FC001 3
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Flow Cytometry Mouse Lyse Buffer (10X)

Flow FC003 1
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Flow Cytometry Human Lyse Buffer (10X)

Flow FC002 1
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