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AlphaLISA B7-H5/VISTA Detection Kit, 100 Assay Points

The AlphaLISA® immunoassay kit for human V-domain Ig suppressor of T cell activation (VISTA) enables the quantitative determination of human VISTA (B7-H5, PD-1H) in serum, buffered solution and cell culture supernatants using a homogeneous AlphaLISA assay (no wash steps).

For research use only. Not for use in 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).
Part Number: AL3059HV
Unit Size: 100 Assay Points
Part Number: AL3059C
Unit Size: 500 Assay Points
Part Number: AL3059F
Unit Size: 5,000 Assay Points
  • Formats:

    • Our 100 assay point kit allows you to run 100 wells in 96-well format, using a 100 µL reaction volume (10 µL of sample).
    • Our 500 assay point kit allows you to run 500 wells in 96-well or 384-well format, using a 50 µL reaction volume (5 µL of sample).
    • Our 5,000 assay point kit allows you to run 5,000 wells in 96-well or 384-well format, using a 50 µL reaction volume (5 µL of sample).

    Features:

    • No-wash steps, no separation steps
    • ELISA alternative technology
    • Sensitive detection
    • Broad sample compatibility
    • Small sample volume
    • Results in less than 3 hours
    • Half the time of an ELISA assay

    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.

    V-domain Ig suppressor of T cell activation (VISTA), also known as B7-H5 and PD-1H, is a transmembrane protein that functions as an immune checkpoint. VISTA is primarily express in white blood cells and can act either as a ligand or receptor on T-cells. Its main function is to inhibit T cell effector function and maintain peripheral tolerance. VISTA is upregulated in tumor-infiltrating lymphocytes and blocking it with an antibody has proven to stunt tumor growth in mouse melanoma models. HIV-infected individuals also display increased VISTA levels in monocytes.

  • Application
    Protein Analysis & Detection
    Assay Points
    100
    Assay Target Class
    Biomarker
    Protein
    Automation Compatible
    Yes
    Brand
    AlphaLISA
    Detection Method
    Alpha
    Therapeutic Area
    Oncology
    Unit Size
    100 Assay Points

Resources

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Application Note Icon Image
Application Note
Protocol Optimization for Detection and Quantification of Membrane-Bound Proteins Using AlphaLISA Te

This study uses AlphaLISA kits to analyze the various parameters involved in the detection and quantification of membrane-based...

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