2023
Molecular Characterization of HER2-Low Invasive Breast Carcinoma by Quantitative RT-PCR Using Oncotype DX Assay
Lin H, Can T, Kahn A, Flannery C, Hoag J, Akkunuri A, Bailey H, Baehner R, Pusztai L, Rozenblit M. Molecular Characterization of HER2-Low Invasive Breast Carcinoma by Quantitative RT-PCR Using Oncotype DX Assay. The Oncologist 2023, 28: e973-e976. PMID: 37656608, PMCID: PMC10546821, DOI: 10.1093/oncolo/oyad249.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkers, TumorBreast NeoplasmsFemaleHumansNeoplasm Recurrence, LocalPrognosisReceptor, ErbB-2Receptors, EstrogenReproducibility of ResultsReverse Transcriptase Polymerase Chain ReactionConceptsHER2 mRNA levelsIHC 0MRNA levelsOncotype DX recurrence score resultsEstrogen receptor-positive breast cancerReceptor-positive breast cancerCurrent adjuvant chemotherapyOncotype DX assayRecurrence Score resultsPositive breast cancerInvasive breast carcinomaIHC score 0Adjuvant chemotherapyQuantitative RT-PCRBreast carcinomaPositive statusScore 0Breast cancerStage IYale cohortHigher mRNA levelsCancerRT-PCRPatientsHER2
2021
21-Gene Assay to Inform Chemotherapy Benefit in Node-Positive Breast Cancer
Kalinsky K, Barlow WE, Gralow JR, Meric-Bernstam F, Albain KS, Hayes DF, Lin NU, Perez EA, Goldstein LJ, Chia SKL, Dhesy-Thind S, Rastogi P, Alba E, Delaloge S, Martin M, Kelly CM, Ruiz-Borrego M, Gil-Gil M, Arce-Salinas CH, Brain EGC, Lee ES, Pierga JY, Bermejo B, Ramos-Vazquez M, Jung KH, Ferrero JM, Schott AF, Shak S, Sharma P, Lew DL, Miao J, Tripathy D, Pusztai L, Hortobagyi GN. 21-Gene Assay to Inform Chemotherapy Benefit in Node-Positive Breast Cancer. New England Journal Of Medicine 2021, 385: 2336-2347. PMID: 34914339, PMCID: PMC9096864, DOI: 10.1056/nejmoa2108873.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Agents, HormonalAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsChemotherapy, AdjuvantDisease-Free SurvivalFemaleGene Expression ProfilingHumansLymphatic MetastasisMiddle AgedNeoplasm Recurrence, LocalPostmenopausePremenopauseProspective StudiesReceptor, ErbB-2Receptors, SteroidReverse Transcriptase Polymerase Chain ReactionConceptsInvasive disease-free survivalDistant relapse-free survivalDisease-free survivalRelapse-free survivalChemotherapy benefitRecurrence scoreBreast cancerChemoendocrine therapyAdjuvant chemotherapyPostmenopausal womenPremenopausal womenLymph nodesAxillary lymph node-negative breast cancerLymph node-negative breast cancerPositive axillary lymph nodesHER2-negative breast cancerNode-positive breast cancerHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Positive lymph node diseasePositive lymph nodesSecondary end pointsAxillary lymph nodesLymph node diseaseGrowth factor receptor 2
2013
TIG1 Promotes the Development and Progression of Inflammatory Breast Cancer through Activation of Axl Kinase
Wang X, Saso H, Iwamoto T, Xia W, Gong Y, Pusztai L, Woodward WA, Reuben JM, Warner SL, Bearss DJ, Hortobagyi GN, Hung MC, Ueno NT. TIG1 Promotes the Development and Progression of Inflammatory Breast Cancer through Activation of Axl Kinase. Cancer Research 2013, 73: 6516-6525. PMID: 24014597, PMCID: PMC6135947, DOI: 10.1158/0008-5472.can-13-0967.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisAxl Receptor Tyrosine KinaseBlotting, WesternCell AdhesionCell CycleCell MovementCell ProliferationDisease ProgressionFemaleFluorescent Antibody TechniqueHumansImmunoprecipitationInflammatory Breast NeoplasmsMediator ComplexMiceNeoplasm InvasivenessProto-Oncogene ProteinsReal-Time Polymerase Chain ReactionReceptor Protein-Tyrosine KinasesReverse Transcriptase Polymerase Chain ReactionRNA, MessengerRNA, Small InterferingSignal TransductionTumor Cells, CulturedConceptsInflammatory breast cancerBreast cancerAxl expressionMalignant propertiesHigh tumoral expressionIBC cell proliferationMatrix metalloproteinase-9Inhibited tumor growthIBC specimensIBC cellsShorter survivalTumoral expressionProteasome-dependent degradationMetalloproteinase-9TIG1 expressionNF-κBTherapeutic targetTumor growthReceptor tyrosine kinasesAxl functionLethal formAxlIBC treatmentCancerAggressive properties
2010
Utility of oncotype DX risk estimates in clinically intermediate risk hormone receptor‐positive, HER2‐normal, grade II, lymph node‐negative breast cancers
Kelly CM, Krishnamurthy S, Bianchini G, Litton JK, Gonzalez‐Angulo A, Hortobagyi GN, Pusztai L. Utility of oncotype DX risk estimates in clinically intermediate risk hormone receptor‐positive, HER2‐normal, grade II, lymph node‐negative breast cancers. Cancer 2010, 116: 5161-5167. PMID: 20665886, DOI: 10.1002/cncr.25269.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkers, TumorBreast NeoplasmsChemotherapy, AdjuvantFemaleGene ExpressionHumansLymphatic MetastasisMiddle AgedNeoplasm MetastasisNeoplasms, Hormone-DependentReceptor, ErbB-2RecurrenceReverse Transcriptase Polymerase Chain ReactionRisk AssessmentSoftwareConceptsTrial Assigning Individualized OptionsRisk of recurrenceOncotype DXRecurrence scoreBreast cancerIntermediate riskGrade I/II tumorsLymph node-negative breast cancerNode-negative breast cancerStage I/IID. Anderson Cancer CenterOncotype DX breast cancerRisk estimatesIntermediate-risk populationEarly breast cancerRoutine clinical variablesHigh-risk groupOncotype DX testingAnderson Cancer CenterAdjuvant chemotherapyDistant recurrenceConsecutive patientsII tumorsClinicopathological variablesLobular carcinoma
2009
Inhibition of Lipocalin 2 Impairs Breast Tumorigenesis and Metastasis
Leng X, Ding T, Lin H, Wang Y, Hu L, Hu J, Feig B, Zhang W, Pusztai L, Symmans WF, Wu Y, Arlinghaus RB. Inhibition of Lipocalin 2 Impairs Breast Tumorigenesis and Metastasis. Cancer Research 2009, 69: 8579-8584. PMID: 19887608, DOI: 10.1158/0008-5472.can-09-1934.Peer-Reviewed Original ResearchMeSH KeywordsAcute-Phase ProteinsAnimalsBlotting, WesternBreast NeoplasmsCell Line, TumorFemaleFlow CytometryGene Expression Regulation, NeoplasticHumansImmunohistochemistryLipocalin-2LipocalinsMatrix Metalloproteinase 9MiceMice, KnockoutNeoplasm InvasivenessNF-kappa BOncogene ProteinsReceptor, ErbB-2Reverse Transcriptase Polymerase Chain ReactionSignal TransductionConceptsLCN2 expressionBreast cancerBreast tumorigenesisMatrix metalloproteinase-9 activityTumor formationMammary tumor mouse modelMammary tumor formationMetalloproteinase-9 activityMatrix metalloproteinase-9Breast cancer therapyTumor mouse modelBreast tumor formationAkt/NFBreast cancer cellsMurine breast tumorsInhibitory monoclonal antibodiesLCN2 functionsLung metastasesLipocalin-2Metalloproteinase-9Mouse modelAggressive typeBreast tumorsKappaB pathwayMetastasis
2008
Commercialized Multigene Predictors of Clinical Outcome for Breast Cancer
Ross JS, Hatzis C, Symmans WF, Pusztai L, Hortobágyi GN. Commercialized Multigene Predictors of Clinical Outcome for Breast Cancer. The Oncologist 2008, 13: 477-493. PMID: 18515733, DOI: 10.1634/theoncologist.2007-0248.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkers, TumorBreast NeoplasmsCost-Benefit AnalysisDevice ApprovalFemaleGene Expression ProfilingHumansMolecular Diagnostic TechniquesParaffin EmbeddingPredictive Value of TestsPrognosisReceptors, EstrogenReverse Transcriptase Polymerase Chain ReactionUnited StatesUnited States Food and Drug AdministrationConceptsQuantitative multiplex real-time polymerase chain reactionLymph node positiveValidation clinical trialEfficacy of tamoxifenER-positive patientsPredictive testRegulatory approval statusOncotype DX testCurrent clinical utilityReal-time polymerase chain reactionCytochrome P450 CYP2D6High accrual rateMultiplex real-time polymerase chain reactionParaffin-embedded tissuesThird-party payorsProspective trialYounger patientsNode positiveClinical outcomesOncotype DXPatient eligibilityMultigene assaysPolymerase chain reactionClinical trialsBreast cancer
2005
Gene Expression Profiles in Paraffin-Embedded Core Biopsy Tissue Predict Response to Chemotherapy in Women With Locally Advanced Breast Cancer
Gianni L, Zambetti M, Clark K, Baker J, Cronin M, Wu J, Mariani G, Rodriguez J, Carcangiu M, Watson D, Valagussa P, Rouzier R, Symmans WF, Ross JS, Hortobagyi GN, Pusztai L, Shak S. Gene Expression Profiles in Paraffin-Embedded Core Biopsy Tissue Predict Response to Chemotherapy in Women With Locally Advanced Breast Cancer. Journal Of Clinical Oncology 2005, 23: 7265-7277. PMID: 16145055, DOI: 10.1200/jco.2005.02.0818.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic AgentsBiopsy, NeedleBreastBreast NeoplasmsDoxorubicinFemaleGene Expression ProfilingHumansMiddle AgedNeoplasm StagingOligonucleotide Array Sequence AnalysisPaclitaxelPredictive Value of TestsRemission InductionReverse Transcriptase Polymerase Chain ReactionConceptsPathologic complete responseAdvanced breast cancerBreast cancerNeoadjuvant paclitaxelRecurrence scoreChemotherapy responseRecurrence riskLikelihood of pCRGreater recurrence riskReverse transcriptase-polymerase chain reactionTranscriptase-polymerase chain reactionCore biopsy tissueImmune-related genesNeoadjuvant anthracyclineNeoadjuvant studiesAssessable patientsReceptor-related genesChemotherapy benefitComplete responseCore biopsyPolymerase chain reactionUnivariate analysisProliferation-related genesIndependent patientsBiopsy tissue
2004
Improving patient care through molecular diagnostics
Perez EA, Pusztai L, van De Vijver M. Improving patient care through molecular diagnostics. Seminars In Oncology 2004, 31: 14-20. PMID: 15490370, DOI: 10.1053/j.seminoncol.2004.07.017.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkers, TumorBreast NeoplasmsDihydrouracil Dehydrogenase (NADP)Gene Expression ProfilingGenes, erbB-2HumansImmunohistochemistryIn Situ Hybridization, FluorescenceMolecular Diagnostic TechniquesOligonucleotide Array Sequence AnalysisProteomicsReceptor, ErbB-2Reverse Transcriptase Polymerase Chain ReactionThymidine PhosphorylaseConceptsLymph node statusPresence of metastasesSpecific tumor subtypesSingle tumor markerAdverse eventsMolecular diagnosticsNode statusSpecific therapyBreast cancerEstrogen receptorHistologic appearanceTumor gradingTumor markersTumor subtypesPatient careDiagnostic testsInitial evaluationParticular molecular defectsPatientsTherapyCancerParticular treatmentTreatmentSimultaneous assessmentDiagnostic techniquesExpression of sigma 1 receptor in human breast cancer
Wang B, Rouzier R, Albarracin C, Sahin A, Wagner P, Yang Y, Smith T, Bernstam F, Marcelo A, Hortobagyi G, Pusztai L. Expression of sigma 1 receptor in human breast cancer. Breast Cancer Research And Treatment 2004, 87: 205-214. PMID: 15528963, DOI: 10.1007/s10549-004-6590-0.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Combined Chemotherapy ProtocolsBlotting, WesternBreastBreast NeoplasmsCell Line, TumorDNA PrimersFemaleHumansImmunohistochemistryReceptors, sigmaReverse Transcriptase Polymerase Chain ReactionRNA, MessengerRNA, NeoplasmConceptsHuman breast cancerSigma-1 receptorBreast cancerS1R expressionNormal breastMDA-MBCell linesBenign breast diseaseEffect of chemotherapyEpithelial cell stainingNeoplastic breast epithelial cellsInvasive breast carcinomaBreast cancer cell linesNormal breast tissueDose-dependent inhibitionAdditive cytotoxic effectBreast epithelial cellsAdjuvant chemotherapyCancer cell linesDuctal hyperplasiaMCF-7 cellsPredictive factorsCancer patientsBreast diseaseSitu cancer