2019
Immune microenvironment of triple-negative breast cancer in African-American and Caucasian women
O’Meara T, Safonov A, Casadevall D, Qing T, Silber A, Killelea B, Hatzis C, Pusztai L. Immune microenvironment of triple-negative breast cancer in African-American and Caucasian women. Breast Cancer Research And Treatment 2019, 175: 247-259. PMID: 30725384, PMCID: PMC6666415, DOI: 10.1007/s10549-019-05156-5.Peer-Reviewed Original ResearchConceptsTriple-negative breast cancerCaucasian breast cancersER-positive cancersBreast cancerTIL countImmune microenvironmentCaucasian patientsMolecular subtypesAA TNBCHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Pathologic complete responseGrowth factor receptor 2Immune cell distributionImmune cell populationsCancer Genome Atlas (TCGA) databaseConsistent racial differencesFactor receptor 2Immune gene expressionImmune attenuationNeoadjuvant chemotherapyLymphocyte countLymphocyte infiltrationComplete responseTNBC cases
2018
Association of T-Cell Receptor Repertoire Use With Response to Combined Trastuzumab-Lapatinib Treatment of HER2-Positive Breast Cancer: Secondary Analysis of the NeoALTTO Randomized Clinical Trial
Powles RL, Redmond D, Sotiriou C, Loi S, Fumagalli D, Nuciforo P, Harbeck N, de Azambuja E, Sarp S, Di Cosimo S, Huober J, Baselga J, Piccart-Gebhart M, Elemento O, Pusztai L, Hatzis C. Association of T-Cell Receptor Repertoire Use With Response to Combined Trastuzumab-Lapatinib Treatment of HER2-Positive Breast Cancer: Secondary Analysis of the NeoALTTO Randomized Clinical Trial. JAMA Oncology 2018, 4: e181564-e181564. PMID: 29902299, PMCID: PMC6224305, DOI: 10.1001/jamaoncol.2018.1564.Peer-Reviewed Original ResearchConceptsDual HER2 blockadeImmune gene signaturesPathologic complete responseDual HER2HER2 blockadeNeoALTTO trialDual anti-HER2 blockadeHigher immune gene expressionTrastuzumab Treatment Optimisation (ALTTO) trialHER2-positive breast cancerGene signatureAnti-HER2 blockadeHigher useHER2-positive patientsMultivariable logistic regressionRandomized clinical trialsGood responseHigh rateImmune gene expressionNeoadjuvant lapatinibTherapy armIdentifies patientsNeoadjuvant therapyComplete responseGene expression signatures
2017
Immune 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 Res