2012
Low levels of Stat5a protein in breast cancer are associated with tumor progression and unfavorable clinical outcomes
Peck AR, Witkiewicz AK, Liu C, Klimowicz AC, Stringer GA, Pequignot E, Freydin B, Yang N, Ertel A, Tran TH, Girondo MA, Rosenberg AL, Hooke JA, Kovatich AJ, Shriver CD, Rimm DL, Magliocco AM, Hyslop T, Rui H. Low levels of Stat5a protein in breast cancer are associated with tumor progression and unfavorable clinical outcomes. Breast Cancer Research 2012, 14: r130. PMID: 23036105, PMCID: PMC4053108, DOI: 10.1186/bcr3328.Peer-Reviewed Original ResearchConceptsPoor prognosisBreast cancerClinical outcomesIndependent markerNode-negative breast cancer patientsNode-negative breast cancerLower tumor levelsPrimary breast cancerUnfavorable clinical outcomeBreast cancer patientsClinical outcome dataProtein levelsRandomized clinical trialsPredictors of responseNew independent markerBreast cancer progressionTherapy-naïveFourfold riskCancer patientsTherapy failureTumor levelsArchival cohortUnfavorable outcomeClinical trialsStat5a/b
2011
Loss of Nuclear Localized and Tyrosine Phosphorylated Stat5 in Breast Cancer Predicts Poor Clinical Outcome and Increased Risk of Antiestrogen Therapy Failure
Peck AR, Witkiewicz AK, Liu C, Stringer GA, Klimowicz AC, Pequignot E, Freydin B, Tran TH, Yang N, Rosenberg AL, Hooke JA, Kovatich AJ, Nevalainen MT, Shriver CD, Hyslop T, Sauter G, Rimm DL, Magliocco AM, Rui H. Loss of Nuclear Localized and Tyrosine Phosphorylated Stat5 in Breast Cancer Predicts Poor Clinical Outcome and Increased Risk of Antiestrogen Therapy Failure. Journal Of Clinical Oncology 2011, 29: 2448-2458. PMID: 21576635, PMCID: PMC3675698, DOI: 10.1200/jco.2010.30.3552.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Agents, HormonalBreast NeoplasmsCarcinoma, Ductal, BreastCarcinoma, Intraductal, NoninfiltratingCohort StudiesDisease ProgressionDisease-Free SurvivalDrug Resistance, NeoplasmEstrogen Receptor ModulatorsFemaleHumansLymphatic MetastasisMiddle AgedNeoplasm ProteinsNuclear ProteinsPhosphorylationPhosphotyrosinePrognosisProtein Processing, Post-TranslationalSTAT5 Transcription FactorSurvival AnalysisTreatment FailureTumor Suppressor ProteinsYoung AdultConceptsNode-negative breast cancerCancer-specific survivalIndependent prognostic markerBreast cancerWhole tissue sectionsTherapy failurePrognostic markerTissue microarrayPathologist scoringMultivariate analysis patientsSystemic adjuvant therapyAdjuvant hormone therapyMarker of prognosisPoor clinical outcomeUseful predictive markerPredictors of responseNormal breast epitheliumTissue sectionsCohort IVAdjuvant therapyHormone therapyAnalysis patientsClinical outcomesDuctal carcinomaProspective study
2003
Tissue microarray analysis of hepatocyte growth factor/Met pathway components reveals a role for Met, matriptase, and hepatocyte growth factor activator inhibitor 1 in the progression of node-negative breast cancer.
Kang JY, Dolled-Filhart M, Ocal IT, Singh B, Lin CY, Dickson RB, Rimm DL, Camp RL. Tissue microarray analysis of hepatocyte growth factor/Met pathway components reveals a role for Met, matriptase, and hepatocyte growth factor activator inhibitor 1 in the progression of node-negative breast cancer. Cancer Research 2003, 63: 1101-5. PMID: 12615728.Peer-Reviewed Original ResearchConceptsHepatocyte growth factor activator inhibitor-1Breast carcinomaSeries of proteasesNode-negative breast cancerHigh-level expressionNode-negative breast carcinomaHGF/MET pathwayIndependent prognostic valueBreast cancer progressionPoor patient outcomesTissue microarray analysisPathway componentsMicroarray analysisExtracellular domainActivator inhibitor-1Expression of HGFOverexpression of METMet receptorHepatocyte growth factorCancer progressionMatriptasePrognostic valueBreast markersPatient followPatient outcomesTissue microarray analysis of signal transducers and activators of transcription 3 (Stat3) and phospho-Stat3 (Tyr705) in node-negative breast cancer shows nuclear localization is associated with a better prognosis.
Dolled-Filhart M, Camp RL, Kowalski DP, Smith BL, Rimm DL. Tissue microarray analysis of signal transducers and activators of transcription 3 (Stat3) and phospho-Stat3 (Tyr705) in node-negative breast cancer shows nuclear localization is associated with a better prognosis. Clinical Cancer Research 2003, 9: 594-600. PMID: 12576423.Peer-Reviewed Original ResearchMeSH KeywordsAcute-Phase ProteinsBiomarkersBreast NeoplasmsCell NucleusDNA-Binding ProteinsFemaleHumansImmunohistochemistryLymphatic MetastasisMultivariate AnalysisPhosphorylationPhosphotyrosinePrognosisProportional Hazards ModelsSTAT3 Transcription FactorSurvival AnalysisTime FactorsTrans-ActivatorsConceptsNode-negative breast cancerBreast cancerCytoplasmic expressionNuclear expressionOverall survivalReceptor stainingPrognostic markerPhospho-STAT3Breast cancer tissue microarrayEstrogen receptor stainingProgesterone receptor stainingNode-negative tumorsLarge retrospective studyIndependent prognostic markerBreast cancer specimensTissue microarray analysisCancer tissue microarrayShort-term survivalTranscription 3Breast cancer tumorsHER2 stainingBetter prognosisRetrospective studyRole of STAT3Signal transducer