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
2016
Immune Signatures Following Single Dose Trastuzumab Predict Pathologic Response to PreoperativeTrastuzumab and Chemotherapy in HER2-Positive Early Breast Cancer
Varadan V, Gilmore H, Miskimen KL, Tuck D, Parsai S, Awadallah A, Krop IE, Winer EP, Bossuyt V, Somlo G, Abu-Khalaf MM, Fenton MA, Sikov W, Harris L. Immune Signatures Following Single Dose Trastuzumab Predict Pathologic Response to PreoperativeTrastuzumab and Chemotherapy in HER2-Positive Early Breast Cancer. Clinical Cancer Research 2016, 22: 3249-3259. PMID: 26842237, PMCID: PMC5439498, DOI: 10.1158/1078-0432.ccr-15-2021.Peer-Reviewed Original ResearchMeSH KeywordsAlbuminsAntineoplastic Agents, ImmunologicalBiomarkers, TumorB-LymphocytesBreast NeoplasmsFemaleGene Expression ProfilingHumansImmunity, InnateLymphocyte ActivationMacrophagesMiddle AgedNeoadjuvant TherapyPaclitaxelProgrammed Cell Death 1 ReceptorReceptor, ErbB-2T-Lymphocytes, Helper-InducerTrastuzumabTreatment OutcomeConceptsPathologic complete responseBreast cancerImmune indicesBrief exposureFollicular helper T (Tfh) cell signatureHER2-positive breast cancerPD-1 positivitySingle-agent trastuzumabTrastuzumab-based therapyT cell activityT-cell signatureImmune cell infiltrationTumor core biopsiesImmune cell activationPreoperative trastuzumabNab-paclitaxelAntitumor immunityImmune signaturesPCR rateComplete responseMulticenter trialPD-1Cell infiltrationCore biopsyIntrinsic subtypes