2018
Differential regulation of PD-L1 expression by immune and tumor cells in NSCLC and the response to treatment with atezolizumab (anti–PD-L1)
Kowanetz M, Zou W, Gettinger SN, Koeppen H, Kockx M, Schmid P, Kadel EE, Wistuba I, Chaft J, Rizvi NA, Spigel DR, Spira A, Hirsch FR, Cohen V, Smith D, Boyd Z, Miley N, Flynn S, Leveque V, Shames DS, Ballinger M, Mocci S, Shankar G, Funke R, Hampton G, Sandler A, Amler L, Mellman I, Chen DS, Hegde PS. Differential regulation of PD-L1 expression by immune and tumor cells in NSCLC and the response to treatment with atezolizumab (anti–PD-L1). Proceedings Of The National Academy Of Sciences Of The United States Of America 2018, 115: e10119-e10126. PMID: 30297397, PMCID: PMC6205493, DOI: 10.1073/pnas.1802166115.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerPD-L1 expressionImmune cellsTumor cellsCases of NSCLCHigh PD-L1 expressionHigh PD-L1 levelsSingle-agent checkpoint inhibitorsAntitumor T-cell responsesTumor-infiltrating immune cellsPD-L1 levelsEffector T cellsTumor-infiltrating lymphocytesDurable clinical responsesPD-L1 geneT cell responsesCell lung cancerStratification of patientsPoor immune infiltrationCheckpoint inhibitorsClinical responseAnticancer immunityImmune infiltrationLung cancerDesmoplastic stroma
2013
Programmed death ligand-1 expression in non-small cell lung cancer
Velcheti V, Schalper KA, Carvajal DE, Anagnostou VK, Syrigos KN, Sznol M, Herbst RS, Gettinger SN, Chen L, Rimm DL. Programmed death ligand-1 expression in non-small cell lung cancer. Laboratory Investigation 2013, 94: 107-116. PMID: 24217091, PMCID: PMC6125250, DOI: 10.1038/labinvest.2013.130.Peer-Reviewed Original ResearchMeSH KeywordsAgedB7-H1 AntigenBiomarkers, TumorCarcinoma, Non-Small-Cell LungCell Line, TumorChi-Square DistributionCohort StudiesConnecticutFemaleGreeceHumansImmunohistochemistryLung NeoplasmsLymphocytes, Tumor-InfiltratingMalePrognosisReproducibility of ResultsRNA, MessengerSurvival AnalysisTissue Array AnalysisConceptsNon-small cell lung cancerPD-L1 expressionCell lung cancerPD-L1Tissue microarrayBetter outcomesNSCLC casesLung cancerDeath ligand 1 (PD-L1) expressionCell death ligand 1PD-L1 protein expressionEarly phase clinical trialsLigand 1 expressionTumor-infiltrating lymphocytesDeath ligand 1Significant better outcomePD-L1 mRNAPD-L1 proteinPhase clinical trialsNormal human placentaPrediction of responseQuantitative fluorescence approachesFrequency of expressionPD-1Prognostic value