2024
Single-Cell Transcriptomic Analyses of Brain Parenchyma in Patients With New-Onset Refractory Status Epilepticus (NORSE)
Hanin A, Zhang L, Huttner A, Plu I, Mathon B, Bielle F, Navarro V, Hirsch L, Hafler D. Single-Cell Transcriptomic Analyses of Brain Parenchyma in Patients With New-Onset Refractory Status Epilepticus (NORSE). Neurology Neuroimmunology & Neuroinflammation 2024, 11: e200259. PMID: 38810181, PMCID: PMC11139018, DOI: 10.1212/nxi.0000000000200259.Peer-Reviewed Original ResearchConceptsNew-onset refractory status epilepticusTemporal lobe epilepsyGABAergic neuronsExcitatory neuronsInfiltrating macrophagesProportion of GABAergic neuronsChronic temporal lobe epilepsyRefractory status epilepticusInhibitory GABAergic neuronsSingle-cell transcriptome analysisDecreased expression of genesDegree of demyelinationImmune disturbancesNeuronal excitabilityImmune dysregulationNew-onsetStatus epilepticusPoor outcomeRefractory epilepsyHealthy childrenMicroglial reactivitySingle-nucleus RNA sequencingNLRP3 inflammasome activationInflammatory responseLobe epilepsy
2023
Intrathecal delivery of nanoparticle PARP inhibitor to the cerebrospinal fluid for the treatment of metastatic medulloblastoma
Khang M, Lee J, Lee T, Suh H, Lee S, Cavaliere A, Rushing A, Geraldo L, Belitzky E, Rossano S, de Feyter H, Shin K, Huttner A, Roussel M, Thomas J, Carson R, Marquez-Nostra B, Bindra R, Saltzman W. Intrathecal delivery of nanoparticle PARP inhibitor to the cerebrospinal fluid for the treatment of metastatic medulloblastoma. Science Translational Medicine 2023, 15: eadi1617. PMID: 37910601, PMCID: PMC11078331, DOI: 10.1126/scitranslmed.adi1617.Peer-Reviewed Original ResearchConceptsCerebrospinal fluidDelivery of drugsEffective therapyTherapeutic indexPARP inhibitorsBlood-brain barrierSite of tumorRapid systemic clearanceXenograft mouse modelSolvent evaporation processAdministration of substancesLeptomeningeal spreadIntrathecal deliveryLeptomeningeal metastasesBrain penetrationSystemic clearanceTumor regressionPolymer nanoparticlesMetastatic medulloblastomaMouse modelPediatric medulloblastomaDrug accumulationCSF turnoverEncapsulated drugsPET imaging
2022
Spectrum of qualitative and quantitative imaging of pilomyxoid, intermediate pilomyxoid and pilocytic astrocytomas in relation to their genetic alterations
Fadel SA, von Reppert M, Kazarian E, Omay EZE, Marks A, Linder N, Hoffmann KT, Darbinyan A, Huttner A, Aboian MS. Spectrum of qualitative and quantitative imaging of pilomyxoid, intermediate pilomyxoid and pilocytic astrocytomas in relation to their genetic alterations. Neuroradiology 2022, 65: 195-205. PMID: 35984480, DOI: 10.1007/s00234-022-03027-3.Peer-Reviewed Original ResearchConceptsPilocytic astrocytomaImaging characteristicsADC valuesAggressive imaging characteristicsSuprasellar pilocytic astrocytomaRecurrence/progressionPediatric brain tumorsFrontal white matterWhole-exome sequencingPilomyxoid astrocytomaIntraventricular extensionSuprasellar regionThird ventriclePosterior fossaAtypical locationBrain tumorsWhite matterGrade 1TumorsAstrocytomasDriver mutationsExome sequencingGenetic alterationsPatientsHippocampus
2021
Protein kinase D1 variant associated with human epilepsy and peripheral nerve hypermyelination
Omer S, Jin SC, Koumangoye R, Robert SM, Duran D, Nelson‐Williams C, Huttner A, DiLuna M, Kahle KT, Delpire E. Protein kinase D1 variant associated with human epilepsy and peripheral nerve hypermyelination. Clinical Genetics 2021, 100: 176-186. PMID: 33904160, DOI: 10.1111/cge.13973.Peer-Reviewed Original ResearchConceptsProtein kinase D1Kainate-induced seizure activityHomozygote micePeripheral nerve diseaseWild-type miceBrain hyperexcitabilityPatient's epilepsyPeripheral neuropathyNerve diseaseSeizure activityHuman epilepsyCotransporter 3Nervous systemProgressive epilepsyHeterozygote miceHuman nervous systemPKD1 variantsMiceEpilepsyInactivating variantPotential targetSignificant increaseNovel roleDiseaseLocomotor behavior
2020
A Rare Case of a Pediatric Medullary Intracranial Germinoma
Seifert K, Huttner A, Malhotra A. A Rare Case of a Pediatric Medullary Intracranial Germinoma. World Neurosurgery 2020, 138: 137-140. PMID: 32147555, DOI: 10.1016/j.wneu.2020.02.147.Peer-Reviewed Original Research
2019
Prognostic markers for immunodeficiency-associated primary central nervous system lymphoma
Kaulen LD, Galluzzo D, Hui P, Barbiero F, Karschnia P, Huttner A, Fulbright R, Baehring JM. Prognostic markers for immunodeficiency-associated primary central nervous system lymphoma. Journal Of Neuro-Oncology 2019, 144: 107-115. PMID: 31190317, DOI: 10.1007/s11060-019-03208-w.Peer-Reviewed Original ResearchConceptsPrimary central nervous system lymphomaDiffusion-weighted imaging patternsMagnetic resonance imagingCentral nervous system lymphomaNervous system lymphomaSystem lymphomaPeripheral enhancementDWI patternsPCNSL casesImaging featuresPrognostic markerHuman immunodeficiency virus (HIV) infectionKaplan-Meier survival analysisDiffuse large B-cell lymphomaYale-New Haven HospitalLarge B-cell lymphomaMedian overall survivalImmunodeficiency virus infectionPredictors of survivalSolid organ transplantationImmunoglobulin heavy chain gene rearrangementPeripheral contrast enhancementLog-rank testMajor risk factorHeavy chain gene rearrangement
2017
A p190BRhoGAP mutation and prolonged RhoB activation in fatal systemic capillary leak syndrome
Pierce RW, Merola J, Lavik JP, Kluger MS, Huttner A, Khokha MK, Pober JS. A p190BRhoGAP mutation and prolonged RhoB activation in fatal systemic capillary leak syndrome. Journal Of Experimental Medicine 2017, 214: 3497-3505. PMID: 29097442, PMCID: PMC5716031, DOI: 10.1084/jem.20162143.Peer-Reviewed Original ResearchConceptsTumor necrosis factorSystemic capillary leakDermal microvascular endothelial cellsMicrovascular endothelial cellsPatient-derived endothelial cellsEndothelial cellsCapillary leakNormal human dermal microvascular endothelial cellsSystemic capillary leak syndromeBarrier functionCapillary leak syndromeHuman dermal microvascular endothelial cellsTransendothelial electrical resistanceEC barrier functionNormal endothelial cellsLeak syndromeCritical illnessFatal casesNecrosis factorBarrier recoverySiRNA knockdownEC culturesRhoB activationGreater increaseJunctional proteinsSOX2 immunity and tissue resident memory in children and young adults with glioma
Vasquez JC, Huttner A, Zhang L, Marks A, Chan A, Baehring JM, Kahle KT, Dhodapkar KM. SOX2 immunity and tissue resident memory in children and young adults with glioma. Journal Of Neuro-Oncology 2017, 134: 41-53. PMID: 28620836, PMCID: PMC7906294, DOI: 10.1007/s11060-017-2515-8.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsAntigen-Presenting CellsB7-H1 AntigenBrain NeoplasmsCell ProliferationChildChild, PreschoolCytokinesFemaleFlow CytometryGliomaHumansInfantMaleMyeloid CellsProgrammed Cell Death 1 ReceptorReceptors, ImmunologicRNA, Small InterferingSOXB1 Transcription FactorsT-LymphocytesTransfectionYoung AdultConceptsPediatric glial tumorsGlial tumorsT cellsExpression of SOX2Inhibitory checkpointsCD8/CD4 T cellsTissue-resident memory phenotypeTumor-infiltrating immune cellsTumor-infiltrating T cellsTumor cellsYoung adultsResident memory phenotypeTissue-resident memoryAnti-tumor immunityT cell immunityCD4 T cellsNatural killer cellsGlial tumor cellsNew antigenic targetsSingle-cell mass cytometryHigh mutation burdenStem cell antigenGlioma initiating cellsImmune checkpointsPD-1
2015
Somatic POLE mutations cause an ultramutated giant cell high-grade glioma subtype with better prognosis
Erson-Omay EZ, Çağlayan AO, Schultz N, Weinhold N, Omay SB, Özduman K, Köksal Y, Li J, Serin Harmancı A, Clark V, Carrión-Grant G, Baranoski J, Çağlar C, Barak T, Coşkun S, Baran B, Köse D, Sun J, Bakırcıoğlu M, Moliterno Günel J, Pamir MN, Mishra-Gorur K, Bilguvar K, Yasuno K, Vortmeyer A, Huttner AJ, Sander C, Günel M. Somatic POLE mutations cause an ultramutated giant cell high-grade glioma subtype with better prognosis. Neuro-Oncology 2015, 17: 1356-1364. PMID: 25740784, PMCID: PMC4578578, DOI: 10.1093/neuonc/nov027.Peer-Reviewed Original ResearchConceptsHigh-grade gliomasSomatic POLE mutationsPOLE mutationsMalignant high-grade gliomasLonger progression-free survivalProgression-free survivalSomatic mutationsOverall survivalPediatric patientsBetter prognosisClinical featuresImproved prognosisClinical behaviorImmune cellsBizarre cellsAggressive formGlioblastoma multiformeDisease pathophysiologyMolecular subgroupsHomozygous germline mutationGermline mutationsPrognosisGlioma subtypesComprehensive genomic analysisDistinct subgroups
2011
Spatio-temporal transcriptome of the human brain
Kang HJ, Kawasawa YI, Cheng F, Zhu Y, Xu X, Li M, Sousa AM, Pletikos M, Meyer KA, Sedmak G, Guennel T, Shin Y, Johnson MB, Krsnik Ž, Mayer S, Fertuzinhos S, Umlauf S, Lisgo SN, Vortmeyer A, Weinberger DR, Mane S, Hyde TM, Huttner A, Reimers M, Kleinman JE, Šestan N. Spatio-temporal transcriptome of the human brain. Nature 2011, 478: 483-489. PMID: 22031440, PMCID: PMC3566780, DOI: 10.1038/nature10523.Peer-Reviewed Original Research
2010
Clinicopathologic study of glioblastoma in children with neurofibromatosis type 1
Huttner AJ, Kieran MW, Yao X, Cruz L, Ladner J, Quayle K, Goumnerova LC, Irons MB, Ullrich NJ. Clinicopathologic study of glioblastoma in children with neurofibromatosis type 1. Pediatric Blood & Cancer 2010, 54: 890-896. PMID: 20310005, DOI: 10.1002/pbc.22462.Peer-Reviewed Original ResearchMeSH KeywordsBrain NeoplasmsChildChild, PreschoolDNA Modification MethylasesDNA Repair EnzymesErbB ReceptorsGene DosageGlioblastomaHumansImmunohistochemistryIn Situ HybridizationInfantKaplan-Meier EstimateMaleNeurofibromatosis 1PTEN PhosphohydrolaseRetrospective StudiesTumor Suppressor Protein p53Tumor Suppressor ProteinsConceptsNeurofibromatosis type 1Malignant tumorsType 1Median overall survivalLow-grade tumorsPeripheral nervous systemEpidermal growth factor receptor copy numberNon-NF1 patientsAdditional molecular studiesClinicopathologic studyOverall prognosisOverall survivalRetrospective reviewVascular proliferationPathologic indicatorsPatientsNervous systemTumors differsSame time periodGlioblastomaSmall sample sizeTumorsMethylguanine-DNA methyltransferase (MGMT) geneSurvivalChildren
2009
Primary, non-exophytic, optic nerve germ cell tumors
DiLuna ML, Two AM, Levy GH, Patel T, Huttner AJ, Duncan CC, Piepmeier JM. Primary, non-exophytic, optic nerve germ cell tumors. Journal Of Neuro-Oncology 2009, 95: 437-443. PMID: 19554263, DOI: 10.1007/s11060-009-9941-1.Peer-Reviewed Original ResearchConceptsGerm cell tumorsOptic chiasmatic gliomasMalignant mixed germ cell tumorMixed germ cell tumorOptic chiasmCell tumorsOptic chiasm tumorAdrenal axis dysfunctionSub-frontal approachChiasm gliomaChiasmatic gliomasAxis dysfunctionBiopsy confirmationProgressive symptomsVisual lossCase seriesFirst patientTreatment regimensPterional craniotomyDiabetes insipidusTissue diagnosisTissue biopsiesTumorsPatientsChiasm