2019
Quantitative assessment of PD-L1 as an analyte in immunohistochemistry diagnostic assays using a standardized cell line tissue microarray
Martinez-Morilla S, McGuire J, Gaule P, Moore L, Acs B, Cougot D, Gown AM, Yaziji H, Wang WL, Cartun RW, Hornick JL, Sholl LM, Qiu J, Mino-Kenudson M, Yi ES, Beasley MB, Merrick DT, Ambaye AB, Zhang ZJ, Walker J, Rimm DL. Quantitative assessment of PD-L1 as an analyte in immunohistochemistry diagnostic assays using a standardized cell line tissue microarray. Laboratory Investigation 2019, 100: 4-15. PMID: 31409885, PMCID: PMC6920558, DOI: 10.1038/s41374-019-0295-9.Peer-Reviewed Original ResearchConceptsTissue microarrayPD-L1Quantitative immunofluorescencePD-L1 expressionPD-L1 immunohistochemistryMulti-institutional settingRoutine clinical samplesCell linesPredictive markerClinical trialsTumor typesIHC assaysQuantitative digital image analysisImmunohistochemistryCut pointsClinical samplesAntibodiesFDAInter-assay comparisonsDiagnostic assaysIsogenic cell linesAssaysDigital image analysisSubjective assessmentLow levels
2017
Measurement of PD-1, TIM-3 and LAG-3 protein in non-small cell lung carcinomas (NSCLCs) with acquired resistance to PD-1 axis blockers.
Datar I, Mani N, Henick B, Wurtz A, Kaftan E, Herbst R, Rimm D, Gettinger S, Politi K, Schalper K. Measurement of PD-1, TIM-3 and LAG-3 protein in non-small cell lung carcinomas (NSCLCs) with acquired resistance to PD-1 axis blockers. Journal Of Clinical Oncology 2017, 35: e14611-e14611. DOI: 10.1200/jco.2017.35.15_suppl.e14611.Peer-Reviewed Original ResearchNon-small cell lung carcinomaTim-3PD-1LAG-3T cellsInhibitory receptorsAdvanced non-small cell lung carcinomaPD-1 axis blockadeHigh TIM-3Immune suppressive pathwaysImmune inhibitory receptorsCell lung carcinomaMembranous staining patternPre-treatment samplesWhole tissue sectionsWhole tumor areaClinical responseMost patientsAxis blockadeLow levelsLung carcinomaT lymphocytesMultiplex immunofluorescenceHigh levelsSuppressive pathways