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Human FAS / CD95 / APO-1 / TNFRSF6 ELISA Pair Set

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Human CD95 Materials provided
Capture Ab:0.3 mg/mL of mouse anti-FAS monoclonal antibody. Dilute to a working concentration of 2 μg/mL in CBS before coating.
Detection Ab:0.5 mg/mL mouse anti-FAS monoclonal antibody conjugated to horseradish-peroxidase (HRP). Dilute to working concentration of 0.5 μg/mL in detection antibody dilution buffer before use.
Standard:Each vial contains 28 ng of recombinant FAS. Reconstitute with 1 mL detection antibody dilution buffer. After reconstitution, store at -20℃ to -80℃ in a manual defrost freezer. A seven-point standard curve using 2-fold serial dilutions in sample dilution buffer, and a high standard of 0.3 ng/mL is recommended.
Human CD95 Sensitivity
The minimum detectable dose of Human CD95 / APO-1 / TNFRSF6 / FAS was determined to be approximately 4.7 pg/ml. This is defined as at least three times standard deviations above the mean optical density of 10 replicates of the zero standard.
Human CD95 Principle of the product
The Human CD95 / APO-1 / TNFRSF6 / FAS ELISA Pair Set is for the quantitative determination of Human CD95 / APO-1 / TNFRSF6 / FAS.
This ELISA Pair Set contains the basic components required for the development of sandwich ELISAs.
The Sino Biological ELISA Pair Set is a solid phase sandwich ELISA (Enzyme-Linked Immunosorbent Assay). It utilizes a monoclonal antibody specific for CD95 / APO-1 / TNFRSF6 / FAS coated on a 96-well plate. Standards and samples are added to the wells, and any CD95 / APO-1 / TNFRSF6 / FAS present binds to the immobilized antibody. The wells are washed and a horseradish peroxidase conjugated mouse anti-CD95 / APO-1 / TNFRSF6 / FAS monoclonal antibody is then added, producing an antibody-antigen-antibody “sandwich”. The wells are again washed and TMB substrate solution is loaded, which produces color in proportion to the amount of CD95 / APO-1 / TNFRSF6 / FAS present in the sample. To end the enzyme reaction, the stop solution is added and absorbances of the microwell are read at 450 nm.
Human CD95 Storage
Capture Antibody: Aliquot and store at -20℃ to -80℃ for up to 6 months from date of receipt. Avoid repeated freeze-thaw cycles.
Detection Antibody: Protect it from prolonged exposure to light. Aliquot and store at -20℃ to -80℃ and for up to 6 months from date of receipt. Avoid repeated freeze-thaw cycles.
Standard: Store lyophilized Standard at -20℃ to -80℃ for up to 6 months from date of receipt. Aliquot and store the reconstituted Standard at -80℃ for up to 1 month. Avoid repeated freeze-thaw cycles.
Human CD95 ELISA Pair Set Standard Curve
CD95/APO-1/TNFRSF6 Background

CD95 (APO-1/Fas) is an important inducer of the extrinsic apoptosis signaling pathway and therapy induced apoptosis of many tumor cells has been linked to the activity of CD95. is a prototype death receptor characterized by the presence of an 80 amino acid death domain in its cytoplasmic tail. This domain is essential for the recruitment of a number of signaling components upon activation by either agonistic anti-CD95 antibodies or cognate CD95 ligand that initiate apoptosis. The complex of proteins that forms upon triggering of CD95 is called the death-inducting signaling complex (DISC). The DISC consists of an adaptor protein and initiator caspases and is essential for induction of apoptosis. CD95 is also crucial for the negative selection of B cells within the germinal center (GC). Impairment of CD95-mediated apoptosis results in defective affinity maturation and the persistence of autoreactive B-cell clones. Changes in the expression of CD95 and/or its ligand CD95L are frequently found in human cancer. The downregulation or mutation of CD95 has been proposed as a mechanism by which cancer cells avoid destruction by the immune system through reduced apoptosis sensitivity. Thus, CD95 has therefore been viewed as a tumor suppressor. CD95 has been reported to be involved in the activation of NF-kappaB, MAPK3/ERK1, MAPK8/JNK, and the alternate pathways for CTL-mediated cytotoxicity. Accordingly, this protein is implicated in the pathogenesis of various malignancies and diseases of the immune system. The CD95/CD95L system was implicated in the etiology of inflammatory bowel disease (IBD) based, primarily, on the finding that CD95 is highly expressed in the intestinal epithelial cells and that epithelial apoptosis is increased in IBD.

Human CD95/APO-1/TNFRSF6 References
  • Mschen M, et al. (2002) The origin of CD95-gene mutations in B-cell lymphoma. Trends Immunol. 23(2): 75-80.
  • Peter ME, et al. (2003) The CD95(APO-1/Fas) DISC and beyond. Cell Death Differ. 10(1): 26-35.
  • Peter ME, et al. (2005) Does CD95 have tumor promoting activities Biochim Biophys Acta. 1755(1): 25-36.
  • Chen L, et al. (2010) Cell death in the colonic epithelium during inflammatory bowel diseases: CD95/Fas and beyond. Inflamm Bowel Dis. 16(6): 1071-6.
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    Catalog: SEK10217-5
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