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Biospes

SKU:BEK1057

Human FASL ELISA Kit

Human FASL ELISA Kit

Regular price $500.00 USD
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Application: For quantitative detection of FASL in human serum, plasma, body fluids, tissue lysates or cell culture supernatants.

Introduction: Fas ligand (FasL or CD95L) is a type-II transmembrane protein that belongs to the tumor necrosis factor (TNF) family. It is generated by cleaving membrane-bound FasL at a conserved cleavage site by the external matrix metalloproteinase MMP-7. Its binding with its receptor induces apoptosis. Fas ligand/receptor interactions play an important role in the regulation of the immune system and the progression of cancer. It may be instrumental in the prevention of leukocyte trafficking between the mother and the fetus, although no pregnancy defects have yet been attributed to a faulty Fas-Fas ligand system.

Principle of the Assay: This kit was based on sandwich enzyme-linked immune-sorbent assay technology. Anti-FASL polyclonal antibody was pre-coated onto 96-well plates. And the biotin conjugated anti-FASL polyclonal antibody was used as detection antibodies. The standards, test samples and biotin conjugated detection antibody were added to the wells subsequently, and wash with wash buffer. Avidin-Biotin-Peroxidase Complex was added and unbound conjugates were washed away with wash buffer. TMB substrates were used to visualize HRP enzymatic reaction. TMB was catalyzed by HRP to produce a blue color product that changed into yellow after adding acidic stop solution. The density of yellow is proportional to the FASL amount of sample captured in plate. Read the O.D. absorbance at 450nm in a microplate reader, and then the concentration of FASL can be calculated.

Storage and Expiration: Store at 2-8℃ for 6 months, or at -20℃ for 12 months.

Range: 15.6 pg/ml - 1000 pg/ml

Sensitivity: < 2 pg/ml
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