ThePD-1/PD-L1InhibitorScreeningCell-BasedAssayisabioluminescentcell-basedassaythatcanbeusedtoscreenandprofileinhibitorsofPD-1:PD-L1orPD-1:PD-L2interaction.Theassayconsistsoftwomaincomponents:•PD-1Effectorcells(PD-1/NFATreporter-Jurkatcells):ReporterJurkatTcellsexpressingfireflyluciferasegeneunderthecontrolofNFATresponseelementsandalsoconstitutivelyexpressinghumanPD-1.Thesecryopreservedcellsareprovidedinathaw-and-useformatthatdoesnotrequirecellpropagation.•ExpressionvectorsforTCRactivator,humanPD-L1,andhumanPD-L2:Transfection-readyvectorsareusedtotransfectcellstocreatethetargetcellsthatoverexpressPD-L1orPD-L2andanengineeredcellsurfaceTcellreceptor(TCR)activator.
