PD-1:PD-L1[Biotinylated] Inhibitor Screening Colorimetric Assay Kit

Cell signaling through the PD-1 receptor upon binding the PD-L1 ligandattenuates immune responses and is exploited by both tumors and viruses. The PD-1:PDL1[Biotinylated] Inhibitor Screening Colorimetric Assay Kit is designed for screening inhibitors ofPD-L1 ligand binding to PD-1 receptor. The key to this kit is the high affinity of biotin-labeled PD-L1 for streptavidin-HRP.Only a few simple steps on a microtiter plate are required for the assay. First|PD-1 is coated ona 96-well plate. Next|PD-L1 is incubated with PD-1 on the plate. Finally|the plate is treated withstreptavidin-HRP followed by addition of a colorimetric HRP substrate to produce color|whichcan then be measured using a UV/Vis spectrophotometer microplate reader.

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