FAS (CD95) Blocking/Activating Mouse Monoclonal [PRP-204ANT]

SKU: PRP-204ANT Category: Antibody Type: Monoclonal | Host: mouse | Reactivity: Human |Usage: blocking, ELISA |

The Fas receptor (CD95) mediates apoptotic signaling by Fas-ligand expressed on the surface of other cells. The Fas-FasL interaction plays an important role in the immune system and lack of this system leads to autoimmunity, indicating that Fas-mediated apoptosis removes self-reactive lymphocytes. Fas signaling is also involved in immune surveillance to remove transformed cells and virus infected cells. Binding of FAS to oligimerized FasL on another cell activates apoptotic signaling through a cytoplasmic domain termed the death domain that interacts with signaling adaptors including FAF, FADD and DAX to activate the caspase proteolytic cascade. Caspase-8 and caspase-10 are activated, then they cleave and activate downstream caspases and a variety of cell substrates leading to cell death. Caspases cleave nuclear lamins, causing the nucleus to break down and lose its normal structure. Another caspase substrate is DFF which induces cleavage and degradation of the genome. Other caspase substrates are involved in cytoskeletal structure, cell cycle regulation and signaling pathways. Activation of JNK kinase, activation of Jun, and production of ceramide may also play roles in Fas-mediated apoptosis. Activation of fas-mediated apoptosis is opposed by I-FLICE and FAP. Viruses and tumors may escape immune surveillance in part through suppression of fas-mediated apoptosis using similar mechanisms.

Mouse anti-human FAS (blocking/activating) is purified by protein-A column. Protein concentration is 1 mg/ml in PBS (after reconstitution).

Reported to be effective for direct ELISA, blocking FAS-mediated apoptosis and activating FAS-mediated killing.

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