2022
Human WDR5 promotes breast cancer growth and metastasis via KMT2-independent translation regulation
Cai WL, Chen JF, Chen H, Wingrove E, Kurley SJ, Chan LH, Zhang M, Arnal-Estape A, Zhao M, Balabaki A, Li W, Yu X, Krop ED, Dou Y, Liu Y, Jin J, Westbrook TF, Nguyen DX, Yan Q. Human WDR5 promotes breast cancer growth and metastasis via KMT2-independent translation regulation. ELife 2022, 11: e78163. PMID: 36043466, PMCID: PMC9584608, DOI: 10.7554/elife.78163.Peer-Reviewed Original ResearchConceptsBreast cancer cellsMetastatic breast cancerBreast cancerRibosomal gene expressionCancer cellsKnockdown of WDR5Vivo genetic screenReversible epigenetic mechanismsGenetic screenTranslation regulationTriple-negative breast cancerEpigenetic regulatorsEpigenetic mechanismsBreast cancer growthCancer-related deathTranslation efficiencyWDR5Novel therapeutic strategiesTranslation rateGene expressionCell growthAdvanced diseaseEffective therapyMetastatic capabilityPotent suppressionBrain metastatic outgrowth and osimertinib resistance are potentiated by RhoA in EGFR-mutant lung cancer
Adua S, Arnal-Estapé A, Zhao M, Qi B, Liu Z, Kravitz C, Hulme H, Strittmatter N, López-Giráldez F, Chande S, Albert A, Melnick M, Hu B, Politi K, Chiang V, Colclough N, Goodwin R, Cross D, Smith P, Nguyen D. Brain metastatic outgrowth and osimertinib resistance are potentiated by RhoA in EGFR-mutant lung cancer. Nature Communications 2022, 13: 7690. PMID: 36509758, PMCID: PMC9744876, DOI: 10.1038/s41467-022-34889-z.Peer-Reviewed Original ResearchConceptsGene expression programsRas homolog family member ACancer cellsFamily member AEpidermal growth factor receptorExpression programsMetastatic cancer cellsSRF signalingGrowth factor receptorTumor microenvironmentLung cancerFunctional linkExtracellular lamininDrug-resistant cancer cellsMutant non-small cell lung cancerNon-small cell lung cancerCentral nervous system relapseMolecular studiesMember AEGFR-mutant lung cancerFactor receptorNervous system relapseCell lung cancerDisseminated tumor cellsBrain tumor microenvironment
2020
Tumor progression and chromatin landscape of lung cancer are regulated by the lineage factor GATA6
Arnal-Estapé A, Cai WL, Albert AE, Zhao M, Stevens LE, López-Giráldez F, Patel KD, Tyagi S, Schmitt EM, Westbrook TF, Nguyen DX. Tumor progression and chromatin landscape of lung cancer are regulated by the lineage factor GATA6. Oncogene 2020, 39: 3726-3737. PMID: 32157212, PMCID: PMC7190573, DOI: 10.1038/s41388-020-1246-z.Peer-Reviewed Original ResearchConceptsChromatin landscapeTranscription factorsBone morphogenetic protein (BMP) signalingDiverse transcriptional programsAlters chromatin accessibilityMultiple genomic lociMorphogenetic protein signalingDistal enhancer elementsSelective transcription factorsEpithelial cell typesSurfactant protein CChromatin accessibilityGenomic lociTranscriptional programsLung adenocarcinoma progressionTumor progressionEpigenetic mechanismsProtein signalingBiological functionsLUAD progressionLUAD cellsEnhancer elementsLineage dependencyTumor suppressionLung cancer cellsSpecific chromatin landscapes and transcription factors couple breast cancer subtype with metastatic relapse to lung or brain
Cai WL, Greer CB, Chen JF, Arnal-Estapé A, Cao J, Yan Q, Nguyen DX. Specific chromatin landscapes and transcription factors couple breast cancer subtype with metastatic relapse to lung or brain. BMC Medical Genomics 2020, 13: 33. PMID: 32143622, PMCID: PMC7060551, DOI: 10.1186/s12920-020-0695-0.Peer-Reviewed Original ResearchConceptsOpen chromatin signaturesTranscription factorsChromatin landscapeChromosome conformation captureOpen chromatin landscapeSpecific chromatin landscapesHomophilic cell adhesionTransposase-accessible chromatinEnhancer-promoter interactionsSpecific transcription factorsActive chromatin sitesATAC-seq dataMetastatic cellsGene expression dataChromatin signaturesConformation captureChromatin sitesActive chromatinATAC-seqEpigenomic propertiesChIP-seqChromatin immunoprecipitationEndothelial cell migrationEpigenomic analysisTranscriptomic differences
2019
Transcriptomic Hallmarks of Tumor Plasticity and Stromal Interactions in Brain Metastasis
Wingrove E, Liu ZZ, Patel KD, Arnal-Estapé A, Cai WL, Melnick MA, Politi K, Monteiro C, Zhu L, Valiente M, Kluger HM, Chiang VL, Nguyen DX. Transcriptomic Hallmarks of Tumor Plasticity and Stromal Interactions in Brain Metastasis. Cell Reports 2019, 27: 1277-1292.e7. PMID: 31018140, PMCID: PMC6592283, DOI: 10.1016/j.celrep.2019.03.085.Peer-Reviewed Original ResearchConceptsBrain metastasesBrain tumor microenvironmentLineage programTumor microenvironmentTumor plasticityStromal gene expressionTranscriptomic hallmarksGene expressionTranscriptional hallmarksMultiple tumor typesMolecular landscapeStromal interactionsMajor siteIntact tissueNeuroinflammatory responseSyngeneic modelPatient biopsiesTumor typesMetastasisMalignant cellsDifferent subtypesTumor cellsHallmarkTranscriptomeCells
2024
BSLM-10 MOLECULAR AND HISTOLOGICAL CHARACTERIZATION OF NSCLC PROGRESSION TO LEPTOMENINGEAL METASTASIS WITH COMORBID INTRAPARENCHYMAL DISEASE
Kandigian S, Chande S, Dolezal D, Tang T, Wang D, Arnal-Estapé A, Cheok S, McGuone D, Liu Y, Goldberg S, Blondin N, Chiang V, Nguyen D. BSLM-10 MOLECULAR AND HISTOLOGICAL CHARACTERIZATION OF NSCLC PROGRESSION TO LEPTOMENINGEAL METASTASIS WITH COMORBID INTRAPARENCHYMAL DISEASE. Neuro-Oncology Advances 2024, 6: i7-i7. PMCID: PMC11296776, DOI: 10.1093/noajnl/vdae090.020.Peer-Reviewed Original ResearchNon-small cell lung cancerLeptomeningeal diseaseCentral nervous systemLeptomeningeal metastasesParenchymal metastasesCerebrospinal fluidTumor cellsTyrosine kinase inhibitor treatmentCell lung cancerKinase inhibitor treatmentCerebrospinal fluid of patientsCell linesCerebral lateral ventriclesIntra-arterial injectionTGF-b signalingIn vivo passageIntraparenchymal diseaseMechanisms of progressionTumor microenvironmentMultiplex immunofluorescenceAggressive treatmentLeptomeningeal infiltrationPerivascular invasionIntraparenchymal metastasesMurine model154 Elucidating the Immune Landscape of Radiation Necrosis Through Single Cell Analysis of Recurrent Brain Lesions in Patients After Stereotactic Radio Surgery
Robert S, Kiziltug E, Lu B, Arnal-Estape A, Nguyen D, Chiang V. 154 Elucidating the Immune Landscape of Radiation Necrosis Through Single Cell Analysis of Recurrent Brain Lesions in Patients After Stereotactic Radio Surgery. Neurosurgery 2024, 70: 35-36. DOI: 10.1227/neu.0000000000002809_154.Peer-Reviewed Original ResearchRadiation necrosisFluorescence-activated cell sortingInterferon-stimulated genesStereotactic radiosurgeryNatural killerMyeloid cellsImmune cellsRadiosurgical treatment of brain metastasesTreatment of brain metastasesCD4+ T cellsExpression of immune cellsMorbid side effectsTreatment of RNSubpopulations of myeloid cellsStereotactic radio surgeryMetastatic brain tumorsInvasive brain biopsyCellular immune profilesInflammatory immune responseCSF of patientsRN patientsBrain metastasesCD8+Immunotherapy optionsMetastatic tumorsASCL1 Drives Tolerance to Osimertinib in EGFR Mutant Lung Cancer in Permissive Cellular Contexts.
Hu B, Wiesehöfer M, de Miguel F, Liu Z, Chan L, Choi J, Melnick M, Arnal Estape A, Walther Z, Zhao D, Lopez-Giraldez F, Wurtz A, Cai G, Fan R, Gettinger S, Xiao A, Yan Q, Homer R, Nguyen D, Politi K. ASCL1 Drives Tolerance to Osimertinib in EGFR Mutant Lung Cancer in Permissive Cellular Contexts. Cancer Research 2024, 84: 1303-1319. PMID: 38359163, DOI: 10.1158/0008-5472.can-23-0438.Peer-Reviewed Original ResearchTyrosine kinase inhibitorsPatient-derived xenograftsEGFR mutant lung cancerMutant lung cancerPre-treatment tumorsResidual diseaseDrug toleranceLung cancerResidual tumor cells in vivoEGFR mutant lung adenocarcinomaTyrosine kinase inhibitor osimertinibEGFR tyrosine kinase inhibitorsTyrosine kinase inhibitor treatmentTumor cells in vivoMutant lung adenocarcinomaMaximal tumor regressionTranscription factor Ascl1Drug-tolerant cellsTime of maximal responseEvidence of cellsCells in vivoOsimertinib treatmentTumor regressionSingle cell transcriptional profilingTumor cells
2023
465 Defining the Immune Profile of Radiation Necrosis Through Single-cell Analysis of Intracranial Lesions
Robert S, Lu B, Arnal-Estape A, Nguyen D, Chiang V. 465 Defining the Immune Profile of Radiation Necrosis Through Single-cell Analysis of Intracranial Lesions. Neurosurgery 2023, 69: 97-98. DOI: 10.1227/neu.0000000000002375_465.Peer-Reviewed Original ResearchRadiation necrosisFluorescence-activated cell sortingImmune profileNatural killer (NK) cellsIncidence of radiation necrosisManagement of brain metastasesMetastatic brain tumor patientsMorbid side effectsTreatment of RNRecurrent metastatic diseaseExpression of Foxp3Cytotoxic T cellsInvasive brain biopsyCellular immune profilesInterleukin-7 receptorBrain tumor patientsBrain metastasesMetastatic diseaseMetastatic tumorsImmune landscapeIntraoperative samplesPatient survivalT cellsBrain biopsyIntracranial lesions
2021
Tumor DNA Mutations From Intraparenchymal Brain Metastases Are Detectable in CSF
Cheok SK, Narayan A, Arnal-Estape A, Gettinger S, Goldberg SB, Kluger HM, Nguyen D, Patel A, Chiang V. Tumor DNA Mutations From Intraparenchymal Brain Metastases Are Detectable in CSF. JCO Precision Oncology 2021, 5: 163-172. PMID: 34250381, PMCID: PMC8232069, DOI: 10.1200/po.20.00292.Peer-Reviewed Original ResearchConceptsIntraparenchymal brain metastasesBrain metastasesCell-free DNAExtracranial tumorsBrain metastasis tissuesProgressive brain metastasesThird of patientsNormal pressure hydrocephalusTumor DNA mutationsPrimary cancer typeAnalysis of CSFSamples of CSFLeptomeningeal diseaseEffective surrogate markerBrain biopsyPressure hydrocephalusLumbar punctureSurrogate markerCancer-associated genesMetastasis tissuesPatientsMetastasisDiscordant responsesRenal cellsGenomic profiling
2017
Extracellular Matrix Receptor Expression in Subtypes of Lung Adenocarcinoma Potentiates Outgrowth of Micrometastases
Stevens LE, Cheung WKC, Adua SJ, Arnal-Estapé A, Zhao M, Liu Z, Brewer K, Herbst RS, Nguyen DX. Extracellular Matrix Receptor Expression in Subtypes of Lung Adenocarcinoma Potentiates Outgrowth of Micrometastases. Cancer Research 2017, 77: 1905-1917. PMID: 28196904, PMCID: PMC5468792, DOI: 10.1158/0008-5472.can-16-1978.Peer-Reviewed Original ResearchConceptsBrain metastatic nicheRisk of relapseDistant metastasisPoor prognosisLUAD subtypesLung tumorsLung adenocarcinomaLUAD cellsMetastatic outgrowthMetastatic nicheCancer ResCancer cellsECM-mediated signalingExtracellular matrix moleculesCell survivalMolecular signaturesDifferential expressionHMMRMatrix moleculesImportant mechanismCellsRelapseAdenocarcinomaPrognosisMetastasis
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