2024
Multi-platform biomarkers of response to an immune checkpoint inhibitor in the neoadjuvant I-SPY 2 trial for early-stage breast cancer
Campbell M, Wolf D, Yau C, Brown-Swigart L, Wulfkuhle J, Gallagher I, Zhu Z, Bolen J, Vandenberg S, Hoyt C, Mori H, Borowsky A, Sit L, Perlmutter J, Asare S, Investigators I, Nanda R, Liu M, Yee D, DeMichele A, Hylton N, Pusztai L, Berry D, Hirst G, Petricoin E, Veer L, Esserman L. Multi-platform biomarkers of response to an immune checkpoint inhibitor in the neoadjuvant I-SPY 2 trial for early-stage breast cancer. Cell Reports Medicine 2024, 5: 101799. PMID: 39510069, PMCID: PMC11604542, DOI: 10.1016/j.xcrm.2024.101799.Peer-Reviewed Original ResearchImmune checkpoint blockadeI-SPY 2 TRIALPathological complete responseTumor microenvironmentBreast cancerAssociated with pathologic complete responseBreast cancer receptor subtypesNeoadjuvant immune checkpoint blockadePD-L1<sup>+</sup> cellsSpatial distribution of immune cellsDistribution of immune cellsEarly-stage breast cancerImmune checkpoint inhibitorsBiomarkers of responseImmune cell populationsImmune cell densityAssociated with responseImmune cell signalingCheckpoint blockadeCheckpoint inhibitorsComplete responsePretreatment biopsiesReceptor subtypesT cellsImmune cellsElucidating the immune active state of HR+HER2- MammaPrint High 2 early breast cancer.
Cobain E, Pusztai L, Graham C, Whitworth P, Beitsch P, Osborne C, Layeequr Rahman R, Johnson N, Brufsky A, Mahtani R, Gadi V, Hoskins K, Linden H, Mukhtar R, Esserman L, Haan J, Quinn K, Menicucci A, Audeh M, O'Shaughnessy J. Elucidating the immune active state of HR+HER2- MammaPrint High 2 early breast cancer. Journal Of Clinical Oncology 2024, 42: 506-506. DOI: 10.1200/jco.2024.42.16_suppl.506.Peer-Reviewed Original ResearchEarly-stage breast cancerAntigen presenting cellsImmune cell frequenciesImmune activation stateT cellsAntigen presentationB cellsBreast cancerResponse rate to neoadjuvant chemotherapyCell frequencyRate to neoadjuvant chemotherapyResponse rates to immunotherapyRisk of distant recurrenceCD4+ memory T cellsHigh-risk early-stage breast cancerCD8+ T cellsAntigen processingI-SPY 2Major histocompatibilityTumor-infiltrating lymphocytesMemory T cellsIncreased antigen presentationMemory B cellsActivated dendritic cellsImmune therapy response
2023
Breast cancers with high proliferation and low ER-related signalling have poor prognosis and unique molecular features with implications for therapy
Licata L, Barreca M, Galbardi B, Dugo M, Viale G, Győrffy B, Karn T, Pusztai L, Gianni L, Callari M, Bianchini G. Breast cancers with high proliferation and low ER-related signalling have poor prognosis and unique molecular features with implications for therapy. British Journal Of Cancer 2023, 129: 2025-2033. PMID: 37935787, PMCID: PMC10703787, DOI: 10.1038/s41416-023-02477-7.Peer-Reviewed Original ResearchConceptsNeoadjuvant chemotherapyPoor prognosisBreast cancerTreatment responseHigher pathological complete response rateResponse rateHigh pathological response ratePathological complete response ratePathological response rateComplete response rateHigher proliferationHigh recurrence riskMolecular featuresEndocrine therapyLower ERHigh TMBDismal outcomePIK3CA mutationsMethodsGene expression dataClinical dataT cellsPotential therapyRecurrence riskTumorsUnique molecular features
2021
Quantitative assessment of the immune microenvironment in African American Triple Negative Breast Cancer: a case–control study
Yaghoobi V, Moutafi M, Aung TN, Pelekanou V, Yaghoubi S, Blenman K, Ibrahim E, Vathiotis IA, Shafi S, Sharma A, O’Meara T, Fernandez AI, Pusztai L, Rimm DL. Quantitative assessment of the immune microenvironment in African American Triple Negative Breast Cancer: a case–control study. Breast Cancer Research 2021, 23: 113. PMID: 34906209, PMCID: PMC8670126, DOI: 10.1186/s13058-021-01493-w.Peer-Reviewed Original ResearchConceptsNegative breast cancerT cellsTumor microenvironmentAA patientsImmune cellsAA tumorsBreast cancerPurposeTriple-negative breast cancerAfrican AmericansTriple-negative breast cancerCase-control studySignificant differencesActivated T cellsImmunologic biomarkersPD-L1Lymphocytic infiltrationLymphoid infiltrationImmune microenvironmentControl cohortTNBC tumorsMyeloid markersQuantitative immunofluorescenceMean expression levelPatientsTNBC
2017
Immune 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