2024
154 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 tumors
2023
BSBM-18 SINGLE-CELL PROFILING TUMOR-INFILTRATING IMMUNE CELLS REVEALS CXCL13+ FOLLICULAR HELPER-LIKE CD4+ T CELLS IN HUMAN BRAIN TUMORS
Lu B, Lucca L, DiStasio M, Liu Y, Pham G, Buitrago-Pocasangre N, Arnal-Estape A, Moliterno J, Chiang V, Omuro A, Hafler D. BSBM-18 SINGLE-CELL PROFILING TUMOR-INFILTRATING IMMUNE CELLS REVEALS CXCL13+ FOLLICULAR HELPER-LIKE CD4+ T CELLS IN HUMAN BRAIN TUMORS. Neuro-Oncology Advances 2023, 5: iii4-iii4. PMCID: PMC10402449, DOI: 10.1093/noajnl/vdad070.014.Peer-Reviewed Original ResearchT cell populationsT cell functionT cellsHigh-grade gliomasBrain metastasesHuman brain tumorsImmune cellsBrain tumorsNon-small cell lung cancer brain metastasesB cellsAnti-PD-1 therapy responseCell lung cancer brain metastasesLung cancer brain metastasesProductive antitumor immune responsesFollicular helper T cellsT-cell receptor sequencingTumor-infiltrating T cellsAntitumor T-cell functionCancer brain metastasesCo-inhibitory receptorsAntitumor immune responseCell receptor sequencingLonger overall survivalCell functionTertiary lymphoid structures465 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
2022
513 Surveilling Cerebrospinal Fluid Protein Biomarkers in Brain Metastasis
Cheok S, Arnal-Estape A, Wei W, Nguyen D, Chiang V. 513 Surveilling Cerebrospinal Fluid Protein Biomarkers in Brain Metastasis. Neurosurgery 2022, 68: 129-129. DOI: 10.1227/neu.0000000000001880_513.Peer-Reviewed Original ResearchBrain metastasesCerebrospinal fluidIntraparenchymal diseaseCentral nervous system pathologyCerebrospinal fluid (CSF) protein biomarkersIntraparenchymal brain metastasesManagement of patientsNormal pressure hydrocephalusNervous system pathologyCurrent diagnostic standardNon-malignant samplesWarrants further explorationCSF profilePressure hydrocephalusRadiation necrosisLung cancerSimilar pathogenesisBrain parenchymaInflammatory diseasesIntracranial diseaseBreast cancerClinical dataCSF leakTreatment responsePatients
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
2020
35. EVALUATING CSF CIRCULATING TUMOR DNA IN INTRAPARENCHYMAL BRAIN METASTASIS
Cheok S, Narayan A, Arnal-Estape A, Patel A, Nguyen D, Chiang V. 35. EVALUATING CSF CIRCULATING TUMOR DNA IN INTRAPARENCHYMAL BRAIN METASTASIS. Neuro-Oncology Advances 2020, 2: ii6-ii6. PMCID: PMC7401400, DOI: 10.1093/noajnl/vdaa073.023.Peer-Reviewed Original ResearchIntraparenchymal brain metastasesBrain metastasis tissuesNormal pressure hydrocephalusBrain metastasesCerebrospinal fluidLeptomeningeal diseaseCell-free DNACSF ctDNAMetastasis tissuesTumor DNASamples of CSFStudy 12 patientsPrimary cancer typeAnalysis of CSFIntraparenchymal diseaseFurther therapySystemic metastasesPlasma ctDNASixteen patientsIntraparenchymal tumorsPressure hydrocephalusColorectal cancerLumbar punctureDetection of novelCancer-associated genes
2019
Transcriptomic Hallmarks of Tumor Plasticity and Stromal Interactions in Brain Metastasis
Wingrove E, Liu Z, Patel K, Arnal‐Estape A, Melnick M, Politi K, Monteiro C, Zhu L, Valiente M, Kluger H, Chiang V, Nguyen D. Transcriptomic Hallmarks of Tumor Plasticity and Stromal Interactions in Brain Metastasis. The FASEB Journal 2019, 33: 368.8-368.8. DOI: 10.1096/fasebj.2019.33.1_supplement.368.8.Peer-Reviewed Original ResearchBrain tumor microenvironmentBrain metastasesTumor microenvironmentTumor cellsLung adenocarcinomaTumor lesionsBrain metastatic tumor cellsBreast cancer brain metastasesHuman tumorsExpression of TIM3Cancer brain metastasesMetastatic brain tumorsExpression of astrocytesIntra-arterial injectionTumor-associated macrophagesSyngeneic model systemModels of melanomaFull-text articlesMetastatic tumor cellsCNS metastasesNeuroinflammatory responseBrain lesionsLung tumorsT cellsAthymic miceTranscriptomic 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