2021
The impact of tumor epithelial and microenvironmental heterogeneity on treatment responses in HER2-positive breast cancer
Janiszewska M, Stein S, Filho O, Eng J, Kingston NL, Harper NW, Rye IH, Alečković M, Trinh A, Murphy KC, Marangoni E, Cristea S, Oakes B, Winer EP, Krop I, Russnes HG, Spellman PT, Bucher E, Hu Z, Chin K, Gray JW, Michor F, Polyak K. The impact of tumor epithelial and microenvironmental heterogeneity on treatment responses in HER2-positive breast cancer. JCI Insight 2021, 6: e147617. PMID: 33886505, PMCID: PMC8262355, DOI: 10.1172/jci.insight.147617.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntibodies, Monoclonal, HumanizedAntineoplastic Agents, ImmunologicalBreast NeoplasmsClass I Phosphatidylinositol 3-KinasesDNA Copy Number VariationsDrug Resistance, NeoplasmEpithelial CellsFemaleFibroblastsHumansMacrophagesMiddle AgedMutationNeoplasm TransplantationReceptor, ErbB-2TrastuzumabTumor MicroenvironmentVesicular Transport ProteinsConceptsBreast cancerTherapeutic resistanceHuman epidermal growth factor receptor 2HER2-positive breast cancerEpidermal growth factor receptor 2Patient-derived xenograft modelsLymphatic vessel endothelial hyaluronan receptorHER2-targeted therapiesGrowth factor receptor 2Impact of tumorFibroblastic reticular cellsFactor receptor 2Tumor epithelial cellsIntratumor heterogeneityDivergent cellular phenotypesResistance-conferring mutationsClinical outcomesPIK3CA mutationsTreatment responseClinical challengeDifferent therapiesFrequency of cellsXenograft modelReceptor 2Stromal determinants
2008
Epithelial and Stromal Cathepsin K and CXCL14 Expression in Breast Tumor Progression
Kleer CG, Bloushtain-Qimron N, Chen YH, Carrasco D, Hu M, Yao J, Kraeft SK, Collins LC, Sabel MS, Argani P, Gelman R, Schnitt SJ, Krop IE, Polyak K. Epithelial and Stromal Cathepsin K and CXCL14 Expression in Breast Tumor Progression. Clinical Cancer Research 2008, 14: 5357-5367. PMID: 18765527, PMCID: PMC2630242, DOI: 10.1158/1078-0432.ccr-08-0732.Peer-Reviewed Original ResearchConceptsBreast tumor progressionTumor epithelial cellsTumor progressionCathepsin KCTSK inhibitorsEpithelial cellsCXCL14 expressionBiopsy siteHuman breast tumor progressionBreast stromal fibroblastsExpression of CXCL14Higher tumor stageInvasive breast tumorsNormal breast tissueOverall survivalPatient characteristicsClinical outcomesHistopathologic characteristicsDuctal carcinomaTumor stageStromal expressionSitu carcinomaClinical roleEpithelial expressionImmunohistochemical analysis