This kit is designed for the detection of binding activity between Human CTLA-4 and CD80, using a homogeneous AlphaLISA assay (no wash steps). This assay can facilitate the design and development of antibody therapetics by using competitive binding to CTLA-4/CD80.
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|Part Number||Unit Size||List Price||Your Price||Quantity|
|AL3046C||500 Assay Points||1747.00 USD|
|AL3046F||5,000 Assay Points||10600.00 USD|
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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 CD80 binds to the Streptavidin-coated Alpha Donor beads, while His tagged CTLA-4 is captured by Anti-His AlphaLISA Acceptor beads. When CD80 binding to CTLA-4 happens, Donor beads and Acceptor 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.
Human Cytotoxic T-lymphocyte-associated protein 4 (CTLA-4), also known as CD152 (cluster of differentiation 152), is a cell membrane receptor and a member of immunoglobulin superfamily. CTLA-4 is expressed once a T cell becomes active and modulates T cell signals by blocking the CD80 (B7.1) and CD86 (B7.2) ligands from binding to CD28. CTLA-4, functioning as an immune checkpoint, downregulates T cell immune responses. Because of its profound inhibitory role blocking CTLA-4 and CD80 or CD86 binding has been considered as promising therapeutic target for human autoimmune disease and cancers.
Disclaimer: For research use only. Not for use in diagnostic procedures.
|Assay Target Class||Protein|
|Product Brand Name||AlphaLISA|
|Shipping Condition||Blue Ice|
|Unit Size||5,000 Assay Points|
|Resource Type||File Name||File Format|
|Brochure||Alpha product listing||PDF 124 KB|
|Application Note||Utilizing AlphaLISA Technology to Screen for Inhibitors of the CTLA-4 Immune Checkpoint||PDF 1 MB|
|Manual||Manual: AlphaLISA CTLA-4/CD80 Binding Assay AL3046||PDF 585 KB|