2015
PIK3CAH1047R- and Her2-initiated mammary tumors escape PI3K dependency by compensatory activation of MEK-ERK signaling
Cheng H, Liu P, Ohlson C, Xu E, Symonds L, Isabella A, Muller WJ, Lin NU, Krop IE, Roberts TM, Winer EP, Arteaga CL, Zhao JJ. PIK3CAH1047R- and Her2-initiated mammary tumors escape PI3K dependency by compensatory activation of MEK-ERK signaling. Oncogene 2015, 35: 2961-2970. PMID: 26640141, PMCID: PMC4896860, DOI: 10.1038/onc.2015.377.Peer-Reviewed Original ResearchConceptsBreast cancerPIK3CA mutationsMammary tumorsHER2 amplification/overexpressionHER2-positive breast cancerHER2-positive cancersPrimary mammary tumorsHER2/HER3PIK3CA-activating mutationsHER2/neuHuman breast cancerEffective treatment approachAmplification/overexpressionCompound mouse modelMEK-ERK signalingMouse mammary glandWorse prognosisCombination therapyMammary tumorigenesisMouse modelMutant PIK3CATreatment approachesHER2Combined inhibitionCompensatory activation
2010
Efficacy of Neoadjuvant Cisplatin in Triple-Negative Breast Cancer
Silver DP, Richardson AL, Eklund AC, Wang ZC, Szallasi Z, Li Q, Juul N, Leong CO, Calogrias D, Buraimoh A, Fatima A, Gelman RS, Ryan PD, Tung NM, De Nicolo A, Ganesan S, Miron A, Colin C, Sgroi DC, Ellisen LW, Winer EP, Garber JE. Efficacy of Neoadjuvant Cisplatin in Triple-Negative Breast Cancer. Journal Of Clinical Oncology 2010, 28: 1145-1153. PMID: 20100965, PMCID: PMC2834466, DOI: 10.1200/jco.2009.22.4725.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic AgentsBreast NeoplasmsCisplatinDNA MethylationDNA-Binding ProteinsFemaleGenes, BRCA1Genes, p53HumansMiddle AgedMutationNeoadjuvant TherapyNuclear ProteinsOligonucleotide Array Sequence AnalysisPromoter Regions, GeneticReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneTumor Protein p73Tumor Suppressor ProteinsConceptsTriple-negative breast cancerBreast cancerSubset of TNBCCisplatin responseSporadic triple-negative breast cancerGood pathologic responsePathologic treatment responseSingle-agent cisplatinCycles of cisplatinStandard adjuvant chemotherapyPathologic complete responseSubset of patientsPredictors of responseBasal-like tumorsPretreatment tumor samplesBreast cancer treatmentHER2/neuBRCA1 promoter methylationBRCA1 mRNA expressionAdjuvant chemotherapyNeoadjuvant cisplatinNeoadjuvant trialsDefinitive surgeryGene expression signaturesPartial response