2022
Tumor immune microenvironment of self-identified African American and non-African American triple negative breast cancer
Marczyk M, Qing T, O’Meara T, Yagahoobi V, Pelekanou V, Bai Y, Reisenbichler E, Cole KS, Li X, Gunasekharan V, Ibrahim E, Fanucci K, Wei W, Rimm DL, Pusztai L, Blenman KRM. Tumor immune microenvironment of self-identified African American and non-African American triple negative breast cancer. Npj Breast Cancer 2022, 8: 88. PMID: 35869114, PMCID: PMC9307813, DOI: 10.1038/s41523-022-00449-3.Peer-Reviewed Original ResearchTumor immune microenvironmentImmune microenvironmentTriple-negative breast cancer tissuesTriple-negative breast cancerAfrican AmericansImmune checkpoint inhibitorsTumor mutation burdenNegative breast cancerBreast cancer tissuesImmune-related pathwaysStromal TILsCheckpoint inhibitorsImmune exclusionClinical outcomesPD-L1Self-identified African AmericansCancer patientsImmune infiltrationBreast cancerMutation burdenCancer tissuesPredictive signatureMRNA expressionTherapeutic agentsPatients
2017
Association Between Genomic Metrics and Immune Infiltration in Triple-Negative Breast Cancer
Karn T, Jiang T, Hatzis C, Sänger N, El-Balat A, Rody A, Holtrich U, Becker S, Bianchini G, Pusztai L. Association Between Genomic Metrics and Immune Infiltration in Triple-Negative Breast Cancer. JAMA Oncology 2017, 3: 1707-1711. PMID: 28750120, PMCID: PMC5824276, DOI: 10.1001/jamaoncol.2017.2140.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkers, TumorCohort StudiesGene DosageGene Expression ProfilingGene Expression Regulation, NeoplasticGenetic HeterogeneityHumansImmunologic SurveillanceLymphocyte CountLymphocytes, Tumor-InfiltratingPrognosisSequence Analysis, DNASequence Analysis, RNASurvival AnalysisTriple Negative Breast NeoplasmsConceptsTriple-negative breast cancerImmune infiltrationTNBC cohortBetter prognosisPrognostic categoriesPoor prognosisInverse associationBreast cancerImmune surveillanceImmune checkpoint inhibitor therapyMore effective immunotherapy strategiesSubset of TNBCLow immune cell infiltrationClonal heterogeneityCheckpoint inhibitor therapySelection of patientsImmune cell infiltrationEffective immunotherapy strategiesIndependent validation cohortPatient survival informationLymphocyte countImmunotherapy strategiesInhibitor therapyNeoantigen loadValidation cohortImmune Gene Expression Is Associated with Genomic Aberrations in Breast Cancer
Safonov A, Jiang T, Bianchini G, Győrffy B, Karn T, Hatzis C, Pusztai L. Immune Gene Expression Is Associated with Genomic Aberrations in Breast Cancer. Cancer Research 2017, 77: 3317-3324. PMID: 28428277, DOI: 10.1158/0008-5472.can-16-3478.Peer-Reviewed Original ResearchConceptsTumor-infiltrating lymphocytesBreast cancer subtypesImmune infiltrationNeoantigen loadImmune surveillanceLower clonal heterogeneityCancer subtypesHigher immune gene expressionClonal heterogeneityImmune checkpoint inhibitorsMajor breast cancer subtypesFavorable prognostic factorTriple-negative cancersOverall mutation loadImmune gene expressionCheckpoint inhibitorsCancer Genome AtlasPrognostic factorsImmune metagenesBreast cancerCNV loadMutation loadGermline polymorphismsCancerCancer ResImmune gene signatures in triple-negative breast cancers characterized by varying levels of chromosomal instability.
Gyorffy B, Bottai G, Nagy A, Pusztai L, Santarpia L. Immune gene signatures in triple-negative breast cancers characterized by varying levels of chromosomal instability. Journal Of Clinical Oncology 2017, 35: 1096-1096. DOI: 10.1200/jco.2017.35.15_suppl.1096.Peer-Reviewed Original ResearchTriple-negative breast cancerCytotoxic T cellsNatural killerDendritic cellsT cellsImmune infiltrationBreast cancerTNBC samplesB cellsImmune gene signaturesOverall good prognosisKaplan-Meier analysisMann-Whitney U testChromosomal instabilityWarrants further investigationImmune infiltratesBetter prognosisTNBC patientsTNBC tumorsImmune metagenesMS tumorsImmune responseBetter survivalImmune componentsTherapeutic strategies
2016
New Strategies in Breast Cancer: Immunotherapy
Pusztai L, Karn T, Safonov A, Abu-Khalaf MM, Bianchini G. New Strategies in Breast Cancer: Immunotherapy. Clinical Cancer Research 2016, 22: 2105-2110. PMID: 26867935, PMCID: PMC9359478, DOI: 10.1158/1078-0432.ccr-15-1315.Peer-Reviewed Original ResearchConceptsBreast cancerClinical trialsEffective immune checkpoint inhibitorsObjective tumor response rateEstrogen receptor-positive cancersLocal antitumor immune responsePhase I clinical trialImmune checkpoint inhibitorsTumor response rateAntitumor immune responseReceptor-positive cancersTriple-negative cancersLocal immune microenvironmentHER2-positive cancersMost breast cancersNew treatment modalitiesCheckpoint inhibitorsDurable responsesL1 antibodyLymphocytic infiltrationImmune microenvironmentImmune infiltrationTreatment modalitiesImmune responsePreclinical studies
2011
Melanoma antigen family A identified by the bimodality index defines a subset of triple negative breast cancers as candidates for immune response augmentation
Karn T, Pusztai L, Ruckhäberle E, Liedtke C, Müller V, Schmidt M, Metzler D, Wang J, Coombes KR, Gätje R, Hanker L, Solbach C, Ahr A, Holtrich U, Rody A, Kaufmann M. Melanoma antigen family A identified by the bimodality index defines a subset of triple negative breast cancers as candidates for immune response augmentation. European Journal Of Cancer 2011, 48: 12-23. PMID: 21741824, DOI: 10.1016/j.ejca.2011.06.025.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAlgorithmsBreast NeoplasmsCancer VaccinesCarcinomaFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticHealth Status IndicatorsHumansImmunotherapyMelanoma-Specific AntigensMicroarray AnalysisMiddle AgedReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneConceptsTriple-negative breast cancerCancer/testis antigensNegative breast cancerBreast cancerTestis antigensMelanoma antigen family AHuman epidermal growth factor receptor 2 (HER2) receptorsImmune response augmentationImmune-stimulatory drugsMAGE-A antigensHigh expressionLymph node statusDistinct disease subsetsLess prognostic valueHigher MAGELow MAGEWorse survivalNode statusPoor prognosisPrognostic valueDisease subsetsImmune infiltrationPredictive markerImmune metagenesImmune response