2022
LCOR mediates interferon-independent tumor immunogenicity and responsiveness to immune-checkpoint blockade in triple-negative breast cancer
Pérez-Núñez I, Rozalén C, Palomeque JÁ, Sangrador I, Dalmau M, Comerma L, Hernández-Prat A, Casadevall D, Menendez S, Liu DD, Shen M, Berenguer J, Ruiz IR, Peña R, Montañés JC, Albà MM, Bonnin S, Ponomarenko J, Gomis RR, Cejalvo JM, Servitja S, Marzese DM, Morey L, Voorwerk L, Arribas J, Bermejo B, Kok M, Pusztai L, Kang Y, Albanell J, Celià-Terrassa T. LCOR mediates interferon-independent tumor immunogenicity and responsiveness to immune-checkpoint blockade in triple-negative breast cancer. Nature Cancer 2022, 3: 355-370. PMID: 35301507, DOI: 10.1038/s43018-022-00339-4.Peer-Reviewed Original ResearchConceptsTriple-negative breast cancerCancer stem cellsLigand-dependent corepressorTumor immunogenicityBreast cancerImmune checkpoint blockadeBreast cancer metastasisICB efficacyICB resistanceLCoR expressionClinical responsePresentation machineryImmune escapeAPM genesPreclinical modelsTherapy resistanceCancer metastasisPromising targetOvercame resistanceIFNRNA therapyCancerImmunogenicitySignaling-independent mannerStem cells
2014
Cancer cell–autonomous contribution of type I interferon signaling to the efficacy of chemotherapy
Sistigu A, Yamazaki T, Vacchelli E, Chaba K, Enot DP, Adam J, Vitale I, Goubar A, Baracco EE, Remédios C, Fend L, Hannani D, Aymeric L, Ma Y, Niso-Santano M, Kepp O, Schultze JL, Tüting T, Belardelli F, Bracci L, La Sorsa V, Ziccheddu G, Sestili P, Urbani F, Delorenzi M, Lacroix-Triki M, Quidville V, Conforti R, Spano JP, Pusztai L, Poirier-Colame V, Delaloge S, Penault-Llorca F, Ladoire S, Arnould L, Cyrta J, Dessoliers MC, Eggermont A, Bianchi ME, Pittet M, Engblom C, Pfirschke C, Préville X, Uzè G, Schreiber RD, Chow MT, Smyth MJ, Proietti E, André F, Kroemer G, Zitvogel L. Cancer cell–autonomous contribution of type I interferon signaling to the efficacy of chemotherapy. Nature Medicine 2014, 20: 1301-1309. PMID: 25344738, DOI: 10.1038/nm.3708.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Vesicular TransportAnimalsAnthracyclinesBreast NeoplasmsChemokine CXCL10DoxorubicinFemaleGene Expression Regulation, NeoplasticHumansImmunocompetenceInterferon Type IMice, Inbred C57BLMyxovirus Resistance ProteinsNeoadjuvant TherapyNeoplasm MetastasisReceptor, Interferon alpha-betaReceptors, Pattern RecognitionRNARNA, MessengerSignal TransductionToll-Like Receptor 3Treatment Outcome
2013
Novel Functional Assay for Spindle-Assembly Checkpoint by Cyclin-Dependent Kinase Activity to Predict Taxane Chemosensitivity in Breast Tumor Patient
Torikoshi Y, Gohda K, Davis ML, Symmans WF, Pusztai L, Kazansky A, Nakayama S, Yoshida T, Matsushima T, Hortobagyi GN, Ishihara H, Kim SJ, Noguchi S, Ueno NT. Novel Functional Assay for Spindle-Assembly Checkpoint by Cyclin-Dependent Kinase Activity to Predict Taxane Chemosensitivity in Breast Tumor Patient. Journal Of Cancer 2013, 4: 697-702. PMID: 24312139, PMCID: PMC3842438, DOI: 10.7150/jca.6248.Peer-Reviewed Original ResearchTaxane-containing chemotherapyClinical responsePreoperative chemotherapyTaxane-induced cell deathAnthracycline-based treatmentFine-needle aspiration biopsyLarge prospective studiesBreast cancer patientsCyclin-dependent kinase 1Taxane-resistant tumorsLogistic regression analysisTaxane-containing therapyBreast tumor patientsDysfunction groupTaxane therapyPathologic responseProspective studyCancer patientsPredictive biomarkersTumor patientsBreast cancerClinicopathologic parametersAspiration biopsyBiopsy samplesPatientsClinical benefit from neoadjuvant chemotherapy in oestrogen receptor-positive invasive ductal and lobular carcinomas
Delpech Y, Coutant C, Hsu L, Barranger E, Iwamoto T, Barcenas CH, Hortobagyi GN, Rouzier R, Esteva FJ, Pusztai L. Clinical benefit from neoadjuvant chemotherapy in oestrogen receptor-positive invasive ductal and lobular carcinomas. British Journal Of Cancer 2013, 108: 285-291. PMID: 23299541, PMCID: PMC3566807, DOI: 10.1038/bjc.2012.557.Peer-Reviewed Original ResearchConceptsInvasive ductal carcinomaBreast-conserving surgeryNeoadjuvant chemotherapyPure lobular carcinomaLobular carcinomaClinical benefitTumor sizeER-positive invasive ductal carcinomasLower pathological complete response rateResponse ratePathological complete response ratePathological response rateComplete response rateGood clinical responsePathological complete responseType of chemotherapyPositive surgical marginsSurgical resection marginsClinical responseNodal statusComplete responseResection marginsSurgical marginsDuctal carcinomaPositive margins
2007
Prospective study of changes in spindle assembly checkpoint (SAC) to predict breast tumor response to taxanes
Ueno N, Kim S, Symmans W, Detry M, Pusztai L, Sanchez L, Ishihara H, Hortobagyi G, Noguchi S. Prospective study of changes in spindle assembly checkpoint (SAC) to predict breast tumor response to taxanes. Journal Of Clinical Oncology 2007, 25: 586-586. DOI: 10.1200/jco.2007.25.18_suppl.586.Peer-Reviewed Original ResearchClinical responseTaxane sensitivityPreoperative therapyPrognostic factorsHER2 tumorsProspective studyBreast cancerDocetaxel/capecitabineDocetaxel/doxorubicinTaxane-containing regimensLarge prospective studiesPrimary breast cancerClinical prognostic factorsHER2- breast cancerNovel predictive markerCyclin-dependent kinase 1Breast tumor responseLogistic regression modelsEvaluable ptsAdjuvant therapyClinical outcomesPreclinical findingsPredictive markerTumor responseHER2 overexpression
2005
Weekly Paclitaxel Improves Pathologic Complete Remission in Operable Breast Cancer When Compared With Paclitaxel Once Every 3 Weeks
Green MC, Buzdar AU, Smith T, Ibrahim NK, Valero V, Rosales MF, Cristofanilli M, Booser DJ, Pusztai L, Rivera E, Theriault RL, Carter C, Frye D, Hunt KK, Symmans WF, Strom EA, Sahin AA, Sikov W, Hortobagyi GN. Weekly Paclitaxel Improves Pathologic Complete Remission in Operable Breast Cancer When Compared With Paclitaxel Once Every 3 Weeks. Journal Of Clinical Oncology 2005, 23: 5983-5992. PMID: 16087943, DOI: 10.1200/jco.2005.06.232.Peer-Reviewed Original ResearchConceptsPrimary systemic chemotherapyWeekly paclitaxelLymph nodesBreast cancerClinical responseFrequent administrationPathologic complete response rateClinical N0 diseaseDoxorubicin/cyclophosphamidePathologic complete remissionSchedule of paclitaxelClinical stage IComplete response rateIIIA breast cancerOperable breast cancerBreast conservation ratesLymph node involvementInvasive breast cancerLymph node statusDoses of paclitaxelFine-needle aspirationN0 diseaseComplete remissionNode involvementSystemic chemotherapyPhase II study of tariquidar, a selective P‐glycoprotein inhibitor, in patients with chemotherapy‐resistant, advanced breast carcinoma
Pusztai L, Wagner P, Ibrahim N, Rivera E, Theriault R, Booser D, Symmans FW, Wong F, Blumenschein G, Fleming DR, Rouzier R, Boniface G, Hortobagyi GN. Phase II study of tariquidar, a selective P‐glycoprotein inhibitor, in patients with chemotherapy‐resistant, advanced breast carcinoma. Cancer 2005, 104: 682-691. PMID: 15986399, DOI: 10.1002/cncr.21227.Peer-Reviewed Original ResearchConceptsAdministration of tariquidarP-gp expressionSestamibi scanBreast carcinomaSestamibi uptakeP-gp-positive tumorsTaxane-containing chemotherapy regimensDocetaxel-related toxicitiesLimited clinical activityObjective tumor responsePercent of patientsPhase II studyAdvanced breast carcinomaP-glycoprotein inhibitor tariquidarP-glycoprotein inhibitorsMultidrug resistance modulationP-gp transporterMultidrug resistance inhibitorsSame chemotherapyStable diseaseChemotherapy regimenChemotherapy regimensTaxane chemotherapyClinical responseDose modification
2004
Change in tumor cellularity of breast carcinoma after neoadjuvant chemotherapy as a variable in the pathologic assessment of response
Rajan R, Poniecka A, Smith TL, Yang Y, Frye D, Pusztai L, Fiterman DJ, Gal‐Gombos E, Whitman G, Rouzier R, Green M, Kuerer H, Buzdar AU, Hortobagyi GN, Symmans WF. Change in tumor cellularity of breast carcinoma after neoadjuvant chemotherapy as a variable in the pathologic assessment of response. Cancer 2004, 100: 1365-1373. PMID: 15042669, DOI: 10.1002/cncr.20134.Peer-Reviewed Original ResearchConceptsResidual tumor sizeCore needle biopsyNeoadjuvant chemotherapyTumor sizeResection specimensNeedle biopsyBreast carcinomaTumor cellularityClinical responsePathologic responseControl groupDiagnostic core needle biopsyGreatest dimensionPrimary surgical managementResidual primary tumorResidual tumor categoriesComplete pathologic responseWeeks of diagnosisResidual tumor groupEosin-stained tissue sectionsCyclophosphamide chemotherapyPartial responsePathologic assessmentPathologic evaluationPathologic sizeExpression of BAG-1 and BcL-2 Proteins Before and After Neoadjuvant Chemotherapy of Locally Advanced Breast Cancer
Pusztai L, Krishnamurti S, Cardona J, Sneige N, Esteva FJ, Volchenok M, Breitenfelder P, Kau SW, Takayama S, Krajewski S, Reed JC, Bast RC, Hortobagyi GN. Expression of BAG-1 and BcL-2 Proteins Before and After Neoadjuvant Chemotherapy of Locally Advanced Breast Cancer. Cancer Investigation 2004, 22: 248-256. PMID: 15199607, DOI: 10.1081/cnv-120030213.Peer-Reviewed Original ResearchMeSH KeywordsAdultAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsCarrier ProteinsCell DeathChemotherapy, AdjuvantDNA-Binding ProteinsDoxorubicinFemaleHumansImmunohistochemistryMiddle AgedNeoadjuvant TherapyPredictive Value of TestsPrognosisProto-Oncogene Proteins c-bcl-2Transcription FactorsTreatment OutcomeConceptsComplete pathological responsePathological responseBcl-2 expressionNeoplastic cellsBcl-2Breast cancerTissue specimensSubsequent pathological responsesAdvanced breast cancerBAG-1Breast epithelial cellsBAG-1 expressionExploratory pilot studyPrechemotherapy specimensNeoadjuvant chemotherapyClinical responseResidual tumorCytotoxic therapyPosttreatment specimensAnti-apoptotic proteinsPreoperative doxorubicinChemotherapyCytoplasmic stainingIndividual tumorsBreast tissue
2003
HER-2/neu testing in breast cancer.
Ross JS, Fletcher JA, Bloom KJ, Linette GP, Stec J, Clark E, Ayers M, Symmans WF, Pusztai L, Hortobagyi GN. HER-2/neu testing in breast cancer. American Journal Of Clinical Pathology 2003, 120 Suppl: s53-71. PMID: 15298144, DOI: 10.1309/949fpq1aq3p0rlc0.Peer-Reviewed Original ResearchConceptsBreast cancerNeu testingNeu statusProspective clinical outcome studyTrastuzumab-based therapyMajor clinical trialsEarly clinical stagePredictors of responseClinical outcome studiesBreast cancer specimensAdvanced diseaseClinical responseClinical stageClinical trialsStandards of practiceCancer specimensImmunohistochemical analysisOutcome studiesPotential efficacyCancerSitu hybridization techniqueRecent evidenceTherapySitu hybridization methodExcellent resultsCorrelation between HER‐2 expression and response to neoadjuvant chemotherapy with 5‐fluorouracil, doxorubicin, and cyclophosphamide in patients with breast carcinoma
Zhang F, Yang Y, Smith T, Kau S, McConathy JM, Esteva FJ, Kuerer HM, Symmans WF, Buzdar AU, Hortobagyi GN, Pusztai L. Correlation between HER‐2 expression and response to neoadjuvant chemotherapy with 5‐fluorouracil, doxorubicin, and cyclophosphamide in patients with breast carcinoma. Cancer 2003, 97: 1758-1765. PMID: 12655533, DOI: 10.1002/cncr.11245.Peer-Reviewed Original ResearchConceptsCourses of FACBreast carcinomaNeoadjuvant chemotherapyPathologic responseResponse rateLymph node-positive diseaseGood pathologic responseMedian patient ageClinical response rateNode-positive diseasePercent of patientsTime of surgeryClinical laboratory assessmentsMinimal residual diseaseClinical responsePositive diseasePathologic assessmentPatient agePhysical examinationPositive tumorsResidual diseaseImaging assessmentClinical assessmentResponse assessmentNonsignificant trend
2001
Surgical conservation planning after neoadjuvant chemotherapy for stage II and operable stage III breast carcinoma
Kuerer H, Singletary S, Buzdar A, Ames F, Valero V, Buchholz T, Ross M, Pusztai L, Hortobagyi G, Hunt K. Surgical conservation planning after neoadjuvant chemotherapy for stage II and operable stage III breast carcinoma. The American Journal Of Surgery 2001, 182: 601-608. PMID: 11839324, DOI: 10.1016/s0002-9610(01)00793-0.Peer-Reviewed Original ResearchConceptsLocal-regional recurrence rateOperable breast cancerPrimary tumorBreast cancerTumor downstagingNeoadjuvant chemotherapyResidual carcinomaRecurrence rateStage III breast carcinomaStage IIComplete clinical responseCycles of chemotherapyMedian tumor sizeAxillary node dissectionBreast conservation surgeryNode dissectionClinical responseProspective trialSurgical resectionPalpable massSegmental resectionAdequate resectionPathologic examinationTumor sizeLarge tumors
1999
Relapse after complete response to anthracycline‐based combination chemotherapy in metastatic breast cancer
Pusztai L, Asmar L, Smith T, Hortobagyi G. Relapse after complete response to anthracycline‐based combination chemotherapy in metastatic breast cancer. Breast Cancer Research And Treatment 1999, 55: 1-8. PMID: 10472774, DOI: 10.1023/a:1006161906667.Peer-Reviewed Original ResearchConceptsAnthracycline-based combination chemotherapyComplete clinical responseDisease-free intervalMetastatic breast cancerInitial disease-free intervalSecond relapseFirst relapseCombination chemotherapyCR durationMedian survivalBreast cancerShorter CR durationSite of recurrenceLength of survivalMore frequent recurrenceClinical characteristicsClinical responseFirst recurrenceMetastatic diseaseVisceral sitesComplete responseClinical featuresMetastatic sitesSubsequent therapySecond recurrence
1998
Physiologic and Pathologic Drug Resistance in Ovarian Carcinoma: A Hypothesis Based on a Clonal Progression Model
Pusztai L, Siddik Z, Mills G, Bast R. Physiologic and Pathologic Drug Resistance in Ovarian Carcinoma: A Hypothesis Based on a Clonal Progression Model. Acta Oncologica 1998, 37: 629-640. PMID: 10050979, DOI: 10.1080/028418698429964.Peer-Reviewed Original ResearchConceptsEarly-stage ovarian cancerDrug-resistant cellsDrug resistanceDrug sensitivityOvarian cancerTumor progressionDisease-free survivalHigh-dose chemotherapyNumerous clinical studiesDifferent treatment strategiesCell populationsHigh response rateCorresponding normal tissuesInsufficient chemotherapyAdjuvant chemotherapyIntensive chemotherapyAdvanced diseaseClinical responseCombination chemotherapyConventional dosesMolecular biological observationsOvarian carcinomaPhysiological drug resistanceClinical failureClinical studies