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Mouse Monoclonal to CD95 / Fas

LT95 (IgG1)

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CD95 (Fas, APO-1), a 46 kDa transmembrane glycoprotein, is a cell death receptor of the TNFR superfamily. Stimulation of CD95 results in aggregation of its intracellular death domains, formation of the death-inducing signaling complex (DISC) and activation of caspases. In type I cells caspase 3 is activated by high amounts of caspase 8 generated at the DISC, in type II cells low concentration of caspase 8 activates pathway leading to the release of cytochrome c from mitochondria and activation of caspase 3 by cytochom c. Besides its roles in induction of apoptosis, Fas also triggers pro-inflammatory cytokine responses.


The antibody LT95 reacts with CD95 (Fas/APO-1), a 46 kDa single chain type I glycoprotein of the tumour necrosis factor/nerve growth factor (TNF/NGF) receptor superfamily, expressed on a variety of normal and neoplastic cells.
It seems that the antibody LT95 does not induce Fas mediated apoptosis, although it cross-blocks anti-Fas DX2 antibody that recognizes a functional epitope of Fas molecule.

Regulatory Status


HUT-78 human T cell lymphoma cell line

Species Reactivity:

  • Human

Negative Species:


  • Flow Cytometry
  • Immunohistochemistry (paraffin sections)
    Positive tissue:tonsil
Usage note:
Indicated dilutions are recommended starting points for use of this product. Working concentrations should be determined by the investigator.

General references

  • *Scaffidi C, Fulda S, Srinivasan A, Friesen C, Li F, Tomaselli KJ, Debatin KM, Krammer PH, Peter ME: Two CD95 (APO-1/Fas) signaling pathways. EMBO J. 1998 Mar 16;17(6):1675-87. [Abstract] [Full Text]
  • *Park DR, Thomsen AR, Frevert CW, Pham U, Skerrett SJ, Kiener PA, Liles WC: Fas (CD95) induces proinflammatory cytokine responses by human monocytes and monocyte-derived macrophages. J Immunol. 2003 Jun 15;170(12):6209-16. [Abstract] [Full Text]
  • *Guo Z, Zhang M, Tang H, Cao X: Fas signal links innate and adaptive immunity by promoting dendritic-cell secretion of CC and CXC chemokines. Blood. 2005 Sep 15;106(6):2033-41. [Abstract] [Full Text]
  • *Brumatti G, Yon M, Castro FA, Bueno-da-Silva AE, Jacysyn JF, Brunner T, Amarante-Mendes GP: Conversion of CD95 (Fas) Type II into Type I signaling by sub-lethal doses of cycloheximide. Exp Cell Res. 2008 Feb 1;314(3):554-63. [Abstract]
  • Product Specific References

  • *Drosopoulos KG, Roberts ML, Cermak L, Sasazuki T, Shirasawa S, Andera L, Pintzas A.: Transformation by oncogenic RAS sensitizes human colon cells to TRAIL-induced apoptosis by up-regulating death receptor 4 and death receptor 5 through a MEK-dependent pathway. J Biol Chem. 2005 Jun 17;280(24):22856-67. Epub 2005 Mar 8. [Abstract] [Full Text]
  • For research use only. Not for drug, diagnostic or other use.

    Related Products

  • Mouse IgG1 Isotype Control
  • Example Data

    Fig. 1. Flow Cytometry analysis

    Fig. 1. Flow cytometry analysis of Fas (CD95) expression on the surface of various hematopoietic cell lines with purified anti-human CD95 (LT95) (detection by Goat anti-mouse IgG1 PE).
    Red – Isotype mouse IgG1 control staining
    Black – standard anti-CD95 monoclonal antibody (DX2)
    Green – anti-CD95 (LT95)

    A – JURKAT human peripheral blood T cell leukemia cell line
    B – RAMOS human Burkitt lymphoma cell line
    C – CEM human leukemia cell line
    D – MOLT-4 human acute lymphoblastic T cell leukemia cell line

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