2014
Combined analysis of gene expression, DNA copy number, and mutation profiling data to display biological process anomalies in individual breast cancers
Shi W, Balazs B, Györffy B, Jiang T, Symmans WF, Hatzis C, Pusztai L. Combined analysis of gene expression, DNA copy number, and mutation profiling data to display biological process anomalies in individual breast cancers. Breast Cancer Research And Treatment 2014, 144: 561-568. PMID: 24619174, DOI: 10.1007/s10549-014-2904-z.Peer-Reviewed Original ResearchConceptsDNA copy numberBiological processesIndividual molecular eventsCopy numberGene expressionMolecular eventsMulticellular organismal processGene Ontology databaseGO biological processesSignal transduction pathwaysOrganismal processesGO termsMolecular dataTransduction pathwaysSiRNA screenComplex genomic abnormalitiesIndividual cancersOntology databaseFunctional roleDriver eventsCell growthSequence abnormalitiesBreast cancer cell linesCancer cell linesGenomic abnormalitiesMitochondrial dysfunction in some triple-negative breast cancer cell lines: role of mTOR pathway and therapeutic potential
Pelicano H, Zhang W, Liu J, Hammoudi N, Dai J, Xu RH, Pusztai L, Huang P. Mitochondrial dysfunction in some triple-negative breast cancer cell lines: role of mTOR pathway and therapeutic potential. Breast Cancer Research 2014, 16: 434. PMID: 25209360, PMCID: PMC4303115, DOI: 10.1186/s13058-014-0434-6.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateCell Line, TumorElectron Transport Chain Complex ProteinsEnergy MetabolismFemaleGlucoseGlutathioneHumansHydrocarbons, BrominatedLactic AcidMitochondriaNADPOxidation-ReductionOxygen ConsumptionPropionatesReactive Oxygen SpeciesReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneSignal TransductionTOR Serine-Threonine KinasesTriple Negative Breast NeoplasmsConceptsTNBC cellsBreast cancer cellsBreast cancerCancer cellsPositive cellsMetabolic alterationsIntroductionTriple-negative breast cancerMTOR pathwayEstrogen receptor-positive cellsER-positive cellsEffective therapeutic approachReceptor-positive cellsBreast cancer subtypesBreast cancer cell linesEffective therapeutic strategyTriple-negative breast cancer cell linesCurrent chemotherapeutic agentsMalignant breast cancerProfound metabolic alterationsHigher glucose uptakeInhibition of glycolysisCancer cell linesPoor prognosisLower mitochondrial respirationMitochondrial respiration
2012
A Systematic Evaluation of Multi-Gene Predictors for the Pathological Response of Breast Cancer Patients to Chemotherapy
Shen K, Song N, Kim Y, Tian C, Rice SD, Gabrin MJ, Symmans WF, Pusztai L, Lee JK. A Systematic Evaluation of Multi-Gene Predictors for the Pathological Response of Breast Cancer Patients to Chemotherapy. PLOS ONE 2012, 7: e49529. PMID: 23185353, PMCID: PMC3504014, DOI: 10.1371/journal.pone.0049529.Peer-Reviewed Original ResearchConceptsMulti-gene predictorsPatients' clinical outcomesClinical outcomesCancer patientsTherapeutic responseStandard combination chemotherapyBreast cancer patientsClinical outcome measurementsPatient's therapeutic responseBreast cancer cell linesCancer cell linesNegative patientsCombination chemotherapyPatient cohortPathological responseBreast cancerEstrogen receptorClinical utilityOutcome measurementsChemotherapyPatientsCell linesOutcomesPredictorsCOXEN
2011
P3-17-01: ApoE and Its Receptors (LRP8, VLDLR) Function as Growth Signals for Triple-Negative Breast Cancer and Represent a Novel Therapeutic Target.
Shiang C, Qi Y, Wang B, Broom B, Pusztai L. P3-17-01: ApoE and Its Receptors (LRP8, VLDLR) Function as Growth Signals for Triple-Negative Breast Cancer and Represent a Novel Therapeutic Target. Cancer Research 2011, 71: p3-17-01-p3-17-01. DOI: 10.1158/0008-5472.sabcs11-p3-17-01.Peer-Reviewed Original ResearchTriple-negative breast cancerER-negative cellsBreast cancerHuman epidermal growth factor 2 receptorReceptor systemAbstract Triple-negative breast cancerStimulatory effectCell linesEarly-onset breast cancerHuman triple-negative breast cancerER-negative cell linesExpression of estrogenReceptor-positive cancersER-positive cellsOnset breast cancerNovel therapeutic targetBreast cancer cell linesBreast cancer tissuesInflammatory signaling pathwaysMAPK/ERK pathwayPreferential growth inhibitionApoE4 expressionCancer cell linesTreatment optionsGrowth factor 2 receptorP4-16-02: Problems with Identifying Bone Metastasis-Specific Genes without Considering Biological Differences between ER-Positive and ER-Negative Breast Cancers.
Hayashi N, Iwamoto T, Qi Y, Niikura N, Santarpia L, Nakamura S, Hortobagyi G, Pusztai L, Symmans F, Ueno N. P4-16-02: Problems with Identifying Bone Metastasis-Specific Genes without Considering Biological Differences between ER-Positive and ER-Negative Breast Cancers. Cancer Research 2011, 71: p4-16-02-p4-16-02. DOI: 10.1158/0008-5472.sabcs11-p4-16-02.Peer-Reviewed Original ResearchER-negative breast cancerER-positive breast cancerMetastasis-specific genesBone metastasesER statusBreast cancerPrimary invasive breast cancer patientsInvasive breast cancer patientsCox proportional hazards modelER-negative breast cancer cell linesNon-bone metastasisFirst metastatic siteBreast cancer patientsProportional hazards modelBreast cancer cell linesSignificant differencesBiological differencesCancer cell linesMetastatic sitesER-positiveCancer patientsDifferent biological potentialsHazards modelPatientsMetastasis
2010
Prognostic and Therapeutic Implications of Distinct Kinase Expression Patterns in Different Subtypes of Breast Cancer
Bianchini G, Iwamoto T, Qi Y, Coutant C, Shiang CY, Wang B, Santarpia L, Valero V, Hortobagyi GN, Symmans WF, Gianni L, Pusztai L. Prognostic and Therapeutic Implications of Distinct Kinase Expression Patterns in Different Subtypes of Breast Cancer. Cancer Research 2010, 70: 8852-8862. PMID: 20959472, DOI: 10.1158/0008-5472.can-10-1039.Peer-Reviewed Original ResearchConceptsPathologic complete responseBreast cancerClinical subtypesPredictive valueHigher pathologic complete responseHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Different clinical subsetsDistinct prognostic informationNode-negative patientsGrowth factor receptor 2Different clinical subtypesBreast cancer cell linesFactor receptor 2Subtype-specific inhibitionCancer cell linesNeoadjuvant chemotherapyAdjuvant therapyComplete responseClinical subsetsWorse prognosisPrognostic valuePrognostic informationClinical subgroupsExpression patternsDevelopment of Candidate Genomic Markers to Select Breast Cancer Patients for Dasatinib Therapy
Moulder S, Yan K, Huang F, Hess KR, Liedtke C, Lin F, Hatzis C, Hortobagyi GN, Symmans WF, Pusztai L. Development of Candidate Genomic Markers to Select Breast Cancer Patients for Dasatinib Therapy. Molecular Cancer Therapeutics 2010, 9: 1120-1127. PMID: 20423993, DOI: 10.1158/1535-7163.mct-09-1117.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic AgentsBiomarkers, PharmacologicalBiomarkers, TumorBreast NeoplasmsCarcinomaCell Line, TumorDasatinibDrug Resistance, NeoplasmFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticGenetic Association StudiesGenome, HumanHumansMatched-Pair AnalysisOligonucleotide Array Sequence AnalysisPatient SelectionPrognosisPyrimidinesThiazolesConceptsClinical trialsCell linesPhase I/II trialIndependent breast cancer cell linesEarly phase clinical trialsDasatinib-resistant cellsPrimary breast cancerBreast cancer patientsDasatinib-resistant cell linesDifferent patient subsetsBreast cancer cell linesGenomic predictorsCancer cell linesDasatinib therapyDifferent potential predictorsII trialPatient subsetsPatient selectionCancer patientsBreast cancerDasatinib sensitivityMammary epithelial cellsDasatinib responseActivity indexPatient samples
2009
Amplification of fibroblast growth factor receptor-1 in breast cancer and the effects of brivanib alaninate
Shiang CY, Qi Y, Wang B, Lazar V, Wang J, Fraser Symmans W, Hortobagyi GN, Andre F, Pusztai L. Amplification of fibroblast growth factor receptor-1 in breast cancer and the effects of brivanib alaninate. Breast Cancer Research And Treatment 2009, 123: 747-755. PMID: 20024612, DOI: 10.1007/s10549-009-0677-6.Peer-Reviewed Original ResearchMeSH KeywordsAlanineAntineoplastic AgentsBreast NeoplasmsCell Line, TumorCell ProliferationComparative Genomic HybridizationDose-Response Relationship, DrugFemaleFibroblast Growth Factor 2Gene AmplificationGene DosageGene Expression ProfilingGene Expression Regulation, NeoplasticHumansInhibitory Concentration 50Mitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3PhosphorylationProto-Oncogene Proteins c-aktReceptor, Fibroblast Growth Factor, Type 1RNA, MessengerSignal TransductionTriazinesConceptsFibroblast growth factor receptor 1Growth factor receptor 1Breast cancer cell linesBreast cancerFactor receptor 1Cancer cell linesKinase activityProtein overexpressionReceptor 1Cell linesCopy numberDirect anti-proliferative effectsGene expression profilingHuman breast cancerTyrosine kinase activityAnti-angiogenic effectsMDA-MB-361Small molecule inhibitorsAnti-proliferative effectsGrowth inhibitionDNA copy numberProtein expression levelsBrivanib treatmentFGFR-1 mRNANormal copy numberThe Molecular Anatomy of Breast Cancer Stroma; Independent Prognostic Role in ER-Positive and ER-Negative Cancers.
Bianchini G, Bianchini G, Alvarez R, Qi Y, Hatzis C, Iwamoto T, Shiang C, Coutant C, Hortobagyi G, Symmans W, Pusztai L. The Molecular Anatomy of Breast Cancer Stroma; Independent Prognostic Role in ER-Positive and ER-Negative Cancers. Cancer Research 2009, 69: 105-105. DOI: 10.1158/0008-5472.sabcs-09-105.Peer-Reviewed Original ResearchDistant metastasis-free survivalCore needle biopsyFine-needle aspirationER- cancersPrognostic valueCancer cell linesER- tumorsB cells/plasma cellsStromal signaturesStromal genesBreast cancer stromaConsistent prognostic valueER- breast cancer cell linesReproducible prognostic markerTamoxifen-treated patientsIndependent prognostic roleER-negative cancersMetastasis-free survivalStromal gene signatureBreast cancer cell linesVariable prognostic valueCell linesFree survivalPreoperative chemotherapyUntreated patientsFrom the Lab to the Clinic: Gene-Expression Profiles That Are Associated with Mek-Inhibitor Sensitivity In Vitro Are Coordinately Co-Expressed in Breast Cancer Biopsy Samples from the I-SPY Trial (CALGB 150007/150012, ACRIN 6657).
Wolf D, Das D, Lenburg M, Paquette J, Spellman P, Gray J, Gray J, Pusztai L, Symmans F, Hatzis C, Esserman L, van 't Veer L, I-SPY Investigators .. From the Lab to the Clinic: Gene-Expression Profiles That Are Associated with Mek-Inhibitor Sensitivity In Vitro Are Coordinately Co-Expressed in Breast Cancer Biopsy Samples from the I-SPY Trial (CALGB 150007/150012, ACRIN 6657). Cancer Research 2009, 69: 2042-2042. DOI: 10.1158/0008-5472.sabcs-09-2042.Peer-Reviewed Original ResearchSensitive cell linesCancer cell linesOutcome dataCell linesI-SPY 2 TRIALI-SPY 1 TRIALInitial tumor responseNeo-adjuvant chemotherapyPre-treatment biopsiesThird of patientsBreast cancer biopsy samplesDrug response predictorsBreast cancer therapyBreast cancer cell linesMEK inhibitor sensitivityExpression of genesTumor responseTherapeutic responseResponse predictorsPatientsBiopsy samplesTumor samplesPatient samplesCancer ResDrug sensitivitySecreted Frizzled Receptor Protein 1 (sFRP-1) as Both a Potential Novel Biomarker of Triple Negative Breast Cancer (TNBC), and Its Sensitivity Against Taxane/Anthracycline Containing Neoadjuvant Chemotherapy.
Liedtke C, Ruckert C, Goette M, von Wahlde M, Kiesel L, Symmans W, Pusztai L. Secreted Frizzled Receptor Protein 1 (sFRP-1) as Both a Potential Novel Biomarker of Triple Negative Breast Cancer (TNBC), and Its Sensitivity Against Taxane/Anthracycline Containing Neoadjuvant Chemotherapy. Cancer Research 2009, 69: 4047-4047. DOI: 10.1158/0008-5472.sabcs-09-4047.Peer-Reviewed Original ResearchTriple-negative breast cancerRelapse-free survivalNegative breast cancerNeoadjuvant chemotherapyBreast cancerKi67 expressionTriple-negative breast cancer (TNBC) phenotypeNovel markerProtein 1Breast cancer phenotypeExpression of Ki67Breast cancer subtypesSFRP-1Breast cancer cell linesMDA-MB-468 breast cancer cell linePotential novel biomarkersCell linesSFRP-1 expressionNegative cell linesAnthracycline chemotherapyCancer cell linesFree survivalSystemic therapyUnfavorable prognosisNovel biomarkersClinical evaluation of chemotherapy response predictors developed from breast cancer cell lines
Liedtke C, Wang J, Tordai A, Symmans WF, Hortobagyi GN, Kiesel L, Hess K, Baggerly KA, Coombes KR, Pusztai L. Clinical evaluation of chemotherapy response predictors developed from breast cancer cell lines. Breast Cancer Research And Treatment 2009, 121: 301-309. PMID: 19603265, DOI: 10.1007/s10549-009-0445-7.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorBreast NeoplasmsCell Line, TumorCyclophosphamideDoxorubicinDrug Resistance, NeoplasmFemaleFluorouracilGene Expression ProfilingHumansNeoplasm StagingOligonucleotide Array Sequence AnalysisPaclitaxelPredictive Value of TestsTreatment OutcomeConceptsBreast cancer cell linesCancer cell linesResponse predictorsBaseline gene expression dataCell linesChemotherapy drugsHuman breast cancer cell linesStandard chemotherapy drugsFine-needle aspiration specimensNeedle aspiration specimensPathologic responseAffymetrix U133A gene chipsClinical evaluationBreast cancerPharmacogenomic predictorsSame drugStage IPredictive valueAspiration specimensMultigene predictorsTumor samplesPatientsResistant cellsPatient dataDrugsTargeting of breast cancer with non-oncology drugs – possible novel therapeutic option for triple-negative breast cancer.
Liedtke C, Yan K, Wu Y, Hortobagyi G, Symmans W, Valero V, Goette M, Kiesel L, Pusztai L. Targeting of breast cancer with non-oncology drugs – possible novel therapeutic option for triple-negative breast cancer. Cancer Research 2009, 69: 2119. DOI: 10.1158/0008-5472.sabcs-2119.Peer-Reviewed Original ResearchTriple-negative breast cancerBreast cancerTherapeutic optionsCell linesEarly-stage breast cancerHuman triple-negative breast cancerCurrent chemotherapy agentsDrug targetsReceptor-positive cancersStage breast cancerBreast cancer cell line MCF-7Future therapeutic optionsNovel therapeutic optionsCancer cell line MCF-7TNBC cell linesBreast cancer cell linesGlutathione S-transferase piFine-needle biopsyDose-dependent inhibitionLack of ERCell line MCF-7Normal HER2 expressionCancer cell linesUnique drug targetsBiological presentation
2005
The Role of Sigma Receptor in Breast Cancer
Pusztai L. The Role of Sigma Receptor in Breast Cancer. 2005 DOI: 10.21236/ada436919.Peer-Reviewed Original ResearchBreast cancerSKF 10047MRNA expressionCell linesEstrogen receptor statusBreast cancer cell linesCell migrationCancer cell linesReceptor statusLymph nodesSigma receptorsMDA-435 cellsMDA-231Western blotLigand exposureCancerCell proliferationCorrelative studiesNegative resultsSignaling pathwaysSiRNA technologyGene expression analysisActivity of RhoMolecular mechanismsExposure
2004
Expression 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 ResearchConceptsHuman 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 cancerThe Role of Sigma Receptor in Breast Cancer
Pusztai L. The Role of Sigma Receptor in Breast Cancer. 2004 DOI: 10.21236/ada425685.Peer-Reviewed Original ResearchBreast cancerReceptor mRNA expressionBreast cancer cell linesHuman breast cancerSigma-1 receptorCancer cell linesDuctal carcinomaInvasive cancerNormal breastSigma receptorsSIG 1Sigma ligandsMRNA expressionCancerCell linesReceptorsHuman tissuesCell growthExpressionChemotherapyCarcinomaHyperplasiaBreast
1999
Relative cytotoxic activity of immunotoxins reactive with different epitopes on the extracellular domain of the c‐erbB‐2 (HER‐2/neu) gene product p185
Boyer C, Pusztai L, Wiener J, Xu F, Dean G, Bast B, O'Briant K, Greenwald M, DeSombre K, Bast R. Relative cytotoxic activity of immunotoxins reactive with different epitopes on the extracellular domain of the c‐erbB‐2 (HER‐2/neu) gene product p185. International Journal Of Cancer 1999, 82: 525-531. PMID: 10404066, DOI: 10.1002/(sici)1097-0215(19990812)82:4<525::aid-ijc10>3.0.co;2-j.Peer-Reviewed Original ResearchConceptsDifferent epitopesHER-2 receptorBreast cancer cell linesHER-2/neu geneRelative cytotoxic activityCytotoxic activityCancer cell linesEpitope targetsImmunotoxin therapyC-erbBImmunoglobulin isotypesUnconjugated antibodyEffective immunotoxinsExtracellular domainClonogenic assayImmunotoxinEpitope expressionNeu geneCompetitive binding assaysAntibodiesEpitopesAntibody bindingCell linesReceptorsBinding assays