2020
Immune Cell PD-L1 Colocalizes with Macrophages and Is Associated with Outcome in PD-1 Pathway Blockade Therapy
Liu Y, Zugazagoitia J, Ahmed FS, Henick BS, Gettinger S, Herbst RS, Schalper KA, Rimm DL. Immune Cell PD-L1 Colocalizes with Macrophages and Is Associated with Outcome in PD-1 Pathway Blockade Therapy. Clinical Cancer Research 2020, 26: 970-977. PMID: 31615933, PMCID: PMC7024671, DOI: 10.1158/1078-0432.ccr-19-1040.Peer-Reviewed Original ResearchConceptsPD-L1 expressionHigh PD-L1 expressionPD-L1 levelsPD-L1Immune cellsTumor cellsT cellsHigh PD-L1 levelsPredominant immune cell typeNon-small cell lung cancer (NSCLC) casesDifferent immune cell subsetsCell lung cancer casesElevated PD-L1High PD-L1Better overall survivalDeath ligand 1Natural killer cellsImmune cell subsetsMultiple immune cellsCytotoxic T cellsLung cancer casesImmune cell typesCD68 levelsCell typesBlockade therapy
2018
Immune Marker Profiling and Programmed Death Ligand 1 Expression Across NSCLC Mutations
Toki MI, Mani N, Smithy JW, Liu Y, Altan M, Wasserman B, Tuktamyshov R, Schalper K, Syrigos KN, Rimm DL. Immune Marker Profiling and Programmed Death Ligand 1 Expression Across NSCLC Mutations. Journal Of Thoracic Oncology 2018, 13: 1884-1896. PMID: 30267840, PMCID: PMC6251746, DOI: 10.1016/j.jtho.2018.09.012.Peer-Reviewed Original ResearchConceptsPD-L1 expressionPD-L1TIL activationHigh PD-L1 levelsDeath ligand 1 (PD-L1) expressionActivation statusKRAS wild-type tumorsKRAS mutantEGFR mutantsHigh PD-L1Multiplexed quantitative immunofluorescenceUnique immune profilePD-L1 levelsLigand 1 expressionDeath-1/EGFR-mutant tumorsImmunotherapy response ratesKRAS mutant tumorsWild-type tumorsHigher CD4NSCLC patientsImmune profileClinical efficacyKRAS WTLymphocyte populationsTumor infiltrating lymphocytes and PD-L1 expression in pre- and post-treatment breast cancers in the SWOG S0800 Phase II neoadjuvant chemotherapy trial
Pelekanou V, Barlow WE, Nahleh Z, Wasserman B, Lo YC, von Wahlde MK, Hayes D, Hortobagyi GN, Gralow J, Tripathy D, Porter P, Szekely B, Hatzis C, Rimm DL, Pusztai L. Tumor infiltrating lymphocytes and PD-L1 expression in pre- and post-treatment breast cancers in the SWOG S0800 Phase II neoadjuvant chemotherapy trial. Molecular Cancer Therapeutics 2018, 17: molcanther.1005.2017. PMID: 29588392, PMCID: PMC6548451, DOI: 10.1158/1535-7163.mct-17-1005.Peer-Reviewed Original ResearchConceptsPD-L1 expressionPathologic complete responseTIL countPosttreatment tissuePD-L1Estrogen receptorImmune checkpoint inhibitor therapyPD-L1 positivity rateTumor-infiltrating lymphocyte countsDoxorubicin/cyclophosphamideCheckpoint inhibitor therapyPD-L1 levelsMol Cancer TherNab-paclitaxelLymphocyte countResidual cancerComplete responseER statusImmune changesInhibitor therapyCox regressionPatient populationControl armClinical trialsPositivity rate
2017
Immune marker profiling and PD-L1, PD-L2 expression mechanisms across non-small cell lung cancer mutations.
Toki M, Mani N, Smithy J, Liu Y, Altan M, Wasserman B, Tuktamyshov R, Syrigos K, Rimm D. Immune marker profiling and PD-L1, PD-L2 expression mechanisms across non-small cell lung cancer mutations. Journal Of Clinical Oncology 2017, 35: 9076-9076. DOI: 10.1200/jco.2017.35.15_suppl.9076.Peer-Reviewed Original ResearchNon-small cell lung cancerEpidermal growth factor receptorPD-L1 expressionPD-L2 expressionPD-L1Stroma expressionTIL activationKRAS mutantPD-1/PD-L1 axis inhibitorsMutation statusResponse rateProximity ligation assayHigh PD-L1 levelsActivation statusProgrammed Death Ligand 1EGFR mutantsHigh PD-L1NSCLC patient tumorsTherapy response ratesPD-L1 levelsDeath ligand 1Cell lung cancerEGFR-mutant tumorsPD-L1 tumorsHigh response rate
2016
Evaluation of PD-L1 Expression and Associated Tumor-Infiltrating Lymphocytes in Laryngeal Squamous Cell Carcinoma
Vassilakopoulou M, Avgeris M, Velcheti V, Kotoula V, Rampias T, Chatzopoulos K, Perisanidis C, Kontos CK, Giotakis AI, Scorilas A, Rimm D, Sasaki C, Fountzilas G, Psyrri A. Evaluation of PD-L1 Expression and Associated Tumor-Infiltrating Lymphocytes in Laryngeal Squamous Cell Carcinoma. Clinical Cancer Research 2016, 22: 704-713. PMID: 26408403, DOI: 10.1158/1078-0432.ccr-15-1543.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overB7-H1 AntigenBiomarkers, TumorCarcinoma, Squamous CellFemaleFollow-Up StudiesGene ExpressionHumansImmunohistochemistryKaplan-Meier EstimateLaryngeal NeoplasmsLymphocytes, Tumor-InfiltratingMaleMiddle AgedNeoplasm GradingNeoplasm MetastasisNeoplasm StagingPrognosisProportional Hazards ModelsRetrospective StudiesRisk FactorsRNA, MessengerConceptsLaryngeal squamous cell carcinomaSquamous cell carcinomaPrimary laryngeal squamous cell carcinomaPD-L1 expressionTumor-infiltrating lymphocytesPD-L1 mRNA expressionTIL densityCell carcinomaAssessment of TILsLaryngeal squamous cell cancerStromal tumor-infiltrating lymphocytesSuperior disease-free survivalTumor PD-L1 expressionMRNA expressionPD-L1 protein expressionPD-L1 mRNA levelsHigher TIL densityImmune checkpoint inhibitorsPD-L1 levelsDisease-free survivalT cell infiltrationSquamous cell cancerSecond independent cohortAdjacent tissue specimensFresh-frozen tumors