The AlphaLISA® Human IL-15 Biotin-Free Detection Kit is designed for the quantitative detection of human Interleukin 15 in serum, cell culture medium, and other samples types using a homogeneous (no wash steps, no separation steps) assay. The biotin-free kit is compatible with high-biotin culture media and other sample types that contain high levels biotin.
For research use only; not for diagnostic procedures. All products to be used in accordance with applicable laws and regulations including without limitation, consumption & disposal requirements under European REACH regulations (EC 1907/2006).
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The biotin-free kit uses anti-DIG (anti-Digoxin) Donor beads instead of streptavidin Donor beads, which makes the kit compatible with high-biotin culture media and other sample types that contain high levels biotin (including brain/liver tissue extracts, milk and eggs).
Human Interleukin 15 (IL15) is a cytokine produced as a precursor maturing into a 114 amino acid glycoprotein. IL15 is generated by multiple tissues (placenta, skeletal muscle, kidney, lung, heart, and monocytes/macrophages). IL15 acts mainly on T and B cells and it is well known as a key cytokine in natural killer cell development, proliferation, and survival. IL15 binds with high affinity to the IL15 receptor a and forms a complex with the a and ? chains of the IL2 receptor for signal transduction. It can regulate inflammatory response and NK cell activation during immune responses. IL15 signalling has become a focus of interest for therapeutic intervention especially in autoimmune diseases like inflammatory bowel disease, systemis lupus erythematosus, inflammatory synivitis, psoriasis, diabetes mellitus, asthma bronchiale, rheumatoid arthritis, and T-cell leukemia.
AlphaLISA technology allows the detection of molecules of interest in a no-wash, highly sensitive, quantitative assay. In an AlphaLISA biotin-free assay, a DIG-labeled anti-analyte antibody binds to the anti-DIG-coated 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 causes 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.
|Assay Target Class||Cytokine|
|Experimental Type||In vitro|
|Product Brand Name||AlphaLISA|
|Shipping Condition||Blue Ice|
|Unit Size||5,000 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.