2020
Acquired FGFR and FGF Alterations Confer Resistance to Estrogen Receptor (ER) Targeted Therapy in ER+ Metastatic Breast Cancer
Mao P, Cohen O, Kowalski KJ, Kusiel JG, Buendia-Buendia JE, Cuoco MS, Exman P, Wander SA, Waks AG, Nayar U, Chung J, Freeman S, Rozenblatt-Rosen O, Miller VA, Piccioni F, Root DE, Regev A, Winer EP, Lin NU, Wagle N. Acquired FGFR and FGF Alterations Confer Resistance to Estrogen Receptor (ER) Targeted Therapy in ER+ Metastatic Breast Cancer. Clinical Cancer Research 2020, 26: 5974-5989. PMID: 32723837, DOI: 10.1158/1078-0432.ccr-19-3958.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBreast NeoplasmsCell Line, TumorDrug Resistance, NeoplasmExome SequencingFemaleFibroblast Growth Factor 3FulvestrantGene Expression Regulation, NeoplasticHumansMCF-7 CellsMiddle AgedMutationNeoplasm MetastasisPiperazinesProtein Kinase InhibitorsPyridinesReceptor, Fibroblast Growth Factor, Type 1Receptor, Fibroblast Growth Factor, Type 2Receptors, EstrogenXenograft Model Antitumor AssaysConceptsMetastatic breast cancerEstrogen receptorBreast cancerFGFR pathwaySelective estrogen receptor degraderCDK4/6 inhibitor palbociclibBreast cancer cellsMAPK pathwayWhole-exome sequencingResistant cell linesMAPK pathway inhibitorsFulvestrant resistanceInhibitor palbociclibDrug combinationsFGFR inhibitorsTherapyPathway inhibitorMEK inhibitorsConfer resistanceCancer cellsCancerInsulin receptorGenes/pathwaysBiopsyCell lines
2018
Acquired HER2 mutations in ER+ metastatic breast cancer confer resistance to estrogen receptor–directed therapies
Nayar U, Cohen O, Kapstad C, Cuoco MS, Waks AG, Wander SA, Painter C, Freeman S, Persky NS, Marini L, Helvie K, Oliver N, Rozenblatt-Rosen O, Ma CX, Regev A, Winer EP, Lin NU, Wagle N. Acquired HER2 mutations in ER+ metastatic breast cancer confer resistance to estrogen receptor–directed therapies. Nature Genetics 2018, 51: 207-216. PMID: 30531871, DOI: 10.1038/s41588-018-0287-5.Peer-Reviewed Original ResearchConceptsHER2 mutationsEstrogen receptorBreast cancerClinical resistance mechanismsMainstay of treatmentMetastatic breast cancerReceptor-directed therapyCDK6 inhibitor palbociclibPre-existing mutationsMetastatic settingEstrogen independenceInhibitor palbociclibPrimary tumorMetastatic biopsiesInhibitor neratinibTherapyPatientsER mutationsCancerTamoxifenResistance mechanismsDistinct mechanismsMutationsConfer resistanceBiopsy