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AlphaLISA technology allows the detection of molecules of interest in buffer, cell culture media, serum and plasma in a highly sensitive, quantitative, reproducible and user-friendly mode. In an AlphaLISA assay, a Biotinylated Anti-Analyte Antibody binds to the Streptavidin-coated Alpha Donor beads, while another Anti-Analyte Antibody is conjugated to AlphaLISA Acceptor beads. In the presence of the analyte, the beads come into close proximity. The excitation of the Donor beads provokes the release of singlet oxygen molecules that triggers a cascade of energy transfer in the Acceptor beads, resulting in a sharp peak of light emission at 615 nm.
Interleukin 17A (IL-17A) is a 155 aa protein with a unique structure only shared with interleukin 17F. IL-17A acts as an early response component in inflammation. Upon detection of an abnormal element, macrophages will secrete interleukin 17A. This cytokine plays two major roles. The first is as a potent chemoattractant for neutrophils and NK killer cells. Its second role is to stimulate the secretion of inflammatory cytokines such as TGFβ, TNFα, IL2 and IL6 amongst others. These roles make IL17A a clear marker of inflammation in animals and also serve to measure early response to infection and/or vaccination. This kit has been designed for the detection of porcine IL17A in porcine serum.
|Assay Target Class||Cytokine|
|Product Brand Name||AlphaLISA|
|Shipping Condition||Blue Ice|
|Unit Size||100 Assay Points|
The introduction of enzyme-linked immunosorbent assays (ELISAs) in the early 1970’s offered researchers a non-radiometric immunoassay platform without compromising sensitivity. Over the last 50 years scientists have made huge strides in disease research and drug discovery and a demand for greater assay throughput and sensitivity has evolved. In response, more robust immunoassays have been developed to address some of the limitations of the standard, colorimetric ELISA.
Find out about the most common limitations of traditional ELISAs and how different ELISA alternative technologies address these limitations.