2023
Mammalian SWI/SNF chromatin remodeling complexes promote tyrosine kinase inhibitor resistance in EGFR-mutant lung cancer
de Miguel F, Gentile C, Feng W, Silva S, Sankar A, Exposito F, Cai W, Melnick M, Robles-Oteiza C, Hinkley M, Tsai J, Hartley A, Wei J, Wurtz A, Li F, Toki M, Rimm D, Homer R, Wilen C, Xiao A, Qi J, Yan Q, Nguyen D, Jänne P, Kadoch C, Politi K. Mammalian SWI/SNF chromatin remodeling complexes promote tyrosine kinase inhibitor resistance in EGFR-mutant lung cancer. Cancer Cell 2023, 41: 1516-1534.e9. PMID: 37541244, PMCID: PMC10957226, DOI: 10.1016/j.ccell.2023.07.005.Peer-Reviewed Original ResearchConceptsMammalian SWI/SNF chromatinSWI/SNF chromatinMSWI/SNF complexesGenome-wide localizationGene regulatory signaturesNon-genetic mechanismsEpithelial cell differentiationEGFR-mutant cellsChromatin accessibilitySNF complexCellular programsRegulatory signaturesTKI-resistant lung cancerGene targetsKinase inhibitor resistanceCell differentiationMesenchymal transitionTKI resistancePharmacologic disruptionTyrosine kinase inhibitor resistanceCell proliferationChromatinInhibitor resistanceEGFR-mutant lungKinase inhibitors
2021
Elevated murine HB-EGF confers sensitivity to diphtheria toxin in EGFR-mutant lung adenocarcinoma
Robles-Oteiza C, Ayeni D, Levy S, Homer RJ, Kaech SM, Politi K. Elevated murine HB-EGF confers sensitivity to diphtheria toxin in EGFR-mutant lung adenocarcinoma. Disease Models & Mechanisms 2021, 14: dmm049072. PMID: 34494649, PMCID: PMC8617309, DOI: 10.1242/dmm.049072.Peer-Reviewed Original ResearchConceptsHuman diphtheria toxin receptorDiphtheria toxin receptorTumor regressionEGFR-mutant lung cancerEGFR-mutant lung adenocarcinomaEGFR-mutant tumorsMutant EGFRTissue-specific promotorsFVB miceLung cancerSystemic administrationLung adenocarcinomaMurine lungRapid regressionConditional ablationTumor cellsUpregulated expressionMiceElevated expressionToxin receptorHB-EGFCell populationsHBEGFEGFRPrimary targetGenetic Determinants of EGFR-Driven Lung Cancer Growth and Therapeutic Response In VivoTumor Suppressor Genes and EGFR-Driven Lung Adenocarcinoma
Foggetti G, Li C, Cai H, Hellyer JA, Lin WY, Ayeni D, Hastings K, Choi J, Wurtz A, Andrejka L, Maghini DG, Rashleigh N, Levy S, Homer R, Gettinger SN, Diehn M, Wakelee HA, Petrov DA, Winslow MM, Politi K. Genetic Determinants of EGFR-Driven Lung Cancer Growth and Therapeutic Response In VivoTumor Suppressor Genes and EGFR-Driven Lung Adenocarcinoma. Cancer Discovery 2021, 11: 1736-1753. PMID: 33707235, PMCID: PMC8530463, DOI: 10.1158/2159-8290.cd-20-1385.Peer-Reviewed Original ResearchConceptsSuppressor geneKey tumor suppressorPutative tumor suppressor geneTumor suppressor geneSensitivity of EGFRTumor growthOncogenic contextTumor suppressorHuman EGFRGenetic determinantsKeap1 pathwayComplex genotypesTumor suppressor gene alterationsLung cancer growthGenesDeficient lung adenocarcinomaLung adenocarcinomaGenetic alterationsIssue featureStrong driverCancer growthEGFR inhibitorsKinase inhibitorsInactivationGene alterations
2020
Drug Sensitivity and Allele Specificity of First-Line Osimertinib Resistance EGFR Mutations
Starrett JH, Guernet AA, Cuomo ME, Poels KE, van Alderwerelt van Rosenburgh IK, Nagelberg A, Farnsworth D, Price KS, Khan H, Ashtekar KD, Gaefele M, Ayeni D, Stewart TF, Kuhlmann A, Kaech S, Unni AM, Homer R, Lockwood WW, Michor F, Goldberg SB, Lemmon MA, Smith PD, Cross D, Politi K. Drug Sensitivity and Allele Specificity of First-Line Osimertinib Resistance EGFR Mutations. Cancer Research 2020, 80: 2017-2030. PMID: 32193290, PMCID: PMC7392201, DOI: 10.1158/0008-5472.can-19-3819.Peer-Reviewed Original ResearchConceptsOsimertinib resistancePreferred first-line therapyThird-generation EGFR tyrosine kinase inhibitorEGFR tyrosine kinase inhibitorsResistance EGFR mutationsFirst-line therapyMutant lung cancerFirst-line osimertinibSubsequent treatment approachesTransgenic mouse modelTyrosine kinase inhibitorsSecondary mutationsErlotinib treatmentLung cancerEGFR mutationsLung adenocarcinomaMouse modelTherapeutic strategiesTherapeutic testingTreatment approachesMutant tumorsResistance mutationsDrug sensitivityDriver mutationsKinase inhibitors
2019
Tumor regression mediated by oncogene withdrawal or erlotinib stimulates infiltration of inflammatory immune cells in EGFR mutant lung tumors
Ayeni D, Miller B, Kuhlmann A, Ho PC, Robles-Oteiza C, Gaefele M, Levy S, de Miguel FJ, Perry C, Guan T, Krystal G, Lockwood W, Zelterman D, Homer R, Liu Z, Kaech S, Politi K. Tumor regression mediated by oncogene withdrawal or erlotinib stimulates infiltration of inflammatory immune cells in EGFR mutant lung tumors. Journal For ImmunoTherapy Of Cancer 2019, 7: 172. PMID: 31291990, PMCID: PMC6617639, DOI: 10.1186/s40425-019-0643-8.Peer-Reviewed Original ResearchConceptsTyrosine kinase inhibitorsEGFR-mutant lung cancerMutant lung cancerTumor regressionErlotinib treatmentLung cancerImmune cellsLung tumorsMouse modelEffects of TKIsGrowth factor receptor tyrosine kinase inhibitorsTumor-infiltrating immune cellsDrug resistanceReceptor tyrosine kinase inhibitorsInflammatory immune cellsInflammatory T cellsEffect of erlotinibEGFR mutant lung tumorsInflammatory cellsImmunological profileT cellsCD40 agonistsImmunostimulatory effectsAlveolar macrophagesErlotinib
2016
Oncogenic EGFR Represses the TET1 DNA Demethylase to Induce Silencing of Tumor Suppressors in Cancer Cells
Forloni M, Gupta R, Nagarajan A, Sun LS, Dong Y, Pirazzoli V, Toki M, Wurtz A, Melnick MA, Kobayashi S, Homer RJ, Rimm DL, Gettinger SJ, Politi K, Dogra SK, Wajapeyee N. Oncogenic EGFR Represses the TET1 DNA Demethylase to Induce Silencing of Tumor Suppressors in Cancer Cells. Cell Reports 2016, 16: 457-471. PMID: 27346347, PMCID: PMC4945411, DOI: 10.1016/j.celrep.2016.05.087.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaAdenocarcinoma of LungAntineoplastic AgentsBrain NeoplasmsCCAAT-Enhancer-Binding ProteinsCell Line, TumorCpG IslandsDNA MethylationDrug Screening Assays, AntitumorErbB ReceptorsGene Expression Regulation, NeoplasticGene SilencingGlioblastomaHumansLung NeoplasmsMAP Kinase Signaling SystemMixed Function OxygenasesMutationOncogenesProtein Kinase InhibitorsProto-Oncogene ProteinsTranscription, GeneticTumor Suppressor ProteinsUp-RegulationConceptsOncogenic epidermal growth factor receptorMethylation-mediated transcriptional silencingEpidermal growth factor receptorTumor suppressorTranscriptional silencingActive DNA demethylationCancer cellsFamily member 1TET1 knockdownDNA demethylaseDNA demethylationTranscription factorsGrowth factor receptorEctopic expressionCytoplasmic localizationGlioblastoma tumor growthLung cancer cellsTET1 expressionFunctional roleSuppressorFactor receptorMember 1TET1SilencingLung cancer samples
2013
Identification of EGFR mutation, KRAS mutation, and ALK gene rearrangement in cytological specimens of primary and metastatic lung adenocarcinoma
Cai G, Wong R, Chhieng D, Levy GH, Gettinger SN, Herbst RS, Puchalski JT, Homer RJ, Hui P. Identification of EGFR mutation, KRAS mutation, and ALK gene rearrangement in cytological specimens of primary and metastatic lung adenocarcinoma. Cancer Cytopathology 2013, 121: 500-507. PMID: 23495083, DOI: 10.1002/cncy.21288.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaAdultAgedAged, 80 and overAnaplastic Lymphoma KinaseBiomarkers, TumorBone NeoplasmsCytodiagnosisDNA, NeoplasmErbB ReceptorsFeasibility StudiesFemaleGene RearrangementHumansIn Situ Hybridization, FluorescenceLiver NeoplasmsLung NeoplasmsMaleMiddle AgedMutationNeoplasm Recurrence, LocalPrognosisProto-Oncogene ProteinsProto-Oncogene Proteins p21(ras)Ras ProteinsReal-Time Polymerase Chain ReactionReceptor Protein-Tyrosine KinasesSoft Tissue NeoplasmsYoung AdultConceptsALK gene rearrangementMetastatic lung adenocarcinomaEGFR mutationsKRAS mutationsMetastatic tumorsEpidermal growth factor receptorLung adenocarcinomaCytological specimensGene rearrangementsMolecular testsMolecular alterationsKirsten rat sarcoma viral oncogene homolog (KRAS) mutationsALK gene rearrangement analysisAnaplastic lymphoma kinase (ALK) gene rearrangementEGFR T790M mutationRat sarcoma viral oncogene homolog mutationsCases of lungT790M mutationImportant therapeutic implicationsFine needle aspiratesGene rearrangement analysisCell block materialGrowth factor receptorRecurrent lungRecurrent adenocarcinoma
2008
Acidic Mammalian Chitinase Is Secreted via an ADAM17/Epidermal Growth Factor Receptor-dependent Pathway and Stimulates Chemokine Production by Pulmonary Epithelial Cells*
Hartl D, He CH, Koller B, Da Silva CA, Homer R, Lee CG, Elias JA. Acidic Mammalian Chitinase Is Secreted via an ADAM17/Epidermal Growth Factor Receptor-dependent Pathway and Stimulates Chemokine Production by Pulmonary Epithelial Cells*. Journal Of Biological Chemistry 2008, 283: 33472-33482. PMID: 18824549, PMCID: PMC2586247, DOI: 10.1074/jbc.m805574200.Peer-Reviewed Original ResearchConceptsEpidermal growth factor receptorLung epithelial cellsAcidic mammalian chitinaseChemokine productionEpithelial cellsT helper cell type 2 inflammationEpidermal growth factor receptor-dependent pathwayAsthma-like responsesType 2 inflammationMammalian chitinaseEpithelial cell productionReceptor-dependent pathwayPulmonary epithelial cellsEGFR-dependent pathwayGrowth factor receptorCotransfection experimentsEffector responsesParacrine fashionEGFR inhibitionSecretionFactor receptorA549 cellsAMCaseRecombinant AMCaseRegulatory effects