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
2018
Fingolimod modulates T cell phenotype and regulatory T cell plasticity in vivo
Dominguez-Villar M, Raddassi K, Danielsen AC, Guarnaccia J, Hafler DA. Fingolimod modulates T cell phenotype and regulatory T cell plasticity in vivo. Journal Of Autoimmunity 2018, 96: 40-49. PMID: 30122421, PMCID: PMC7882197, DOI: 10.1016/j.jaut.2018.08.002.Peer-Reviewed Original ResearchConceptsT cellsMultiple sclerosisT cell effector phenotypeRelapsing-remitting multiple sclerosisRegulatory T cell populationTh1-like phenotypeRegulatory T cellsPro-inflammatory cytokinesT-cell phenotypeT cell populationsExpression of Th1Immune cell functionRegulatory T cell plasticityT cell plasticityCentral nervous systemExpression of markersCell migratory capacityImportant immunomodulatory functionsExcessive Th1Fingolimod treatmentExhaustion markersTh17 cytokinesEffector phenotypeLymph nodesSerum levels
2014
Prolonged Proinflammatory Cytokine Production in Monocytes Modulated by Interleukin 10 After Influenza Vaccination in Older Adults
Mohanty S, Joshi SR, Ueda I, Wilson J, Blevins TP, Siconolfi B, Meng H, Devine L, Raddassi K, Tsang S, Belshe RB, Hafler DA, Kaech SM, Kleinstein SH, Trentalange M, Allore HG, Shaw AC. Prolonged Proinflammatory Cytokine Production in Monocytes Modulated by Interleukin 10 After Influenza Vaccination in Older Adults. The Journal Of Infectious Diseases 2014, 211: 1174-1184. PMID: 25367297, PMCID: PMC4366602, DOI: 10.1093/infdis/jiu573.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedCytokinesDual Specificity Phosphatase 1FemaleGene Expression RegulationGPI-Linked ProteinsHumansImmunity, InnateInfluenza VaccinesInfluenza, HumanInterleukin-10Interleukin-6Lipopolysaccharide ReceptorsMaleMonocytesPhosphorylationReceptors, IgGSignal TransductionSTAT3 Transcription FactorTumor Necrosis Factor-alphaVaccinationYoung AdultConceptsOlder adultsInfluenza vaccinationInflammatory monocytesInterleukin-10Cytokine productionOlder subjectsAnti-inflammatory cytokine interleukin-10Influenza vaccine antibody responseTumor necrosis factor αImpaired vaccine responsesVaccine antibody responseIL-10 productionCytokine interleukin-10Proinflammatory cytokine productionNecrosis factor αAge-associated elevationPhosphorylated signal transducerVaccine responsesAntibody responseInterleukin-6Immune responseMonocyte populationsDay 28Intracellular stainingVaccinationSystems Immunology Reveals Markers of Susceptibility to West Nile Virus Infection
Qian F, Goel G, Meng H, Wang X, You F, Devine L, Raddassi K, Garcia MN, Murray KO, Bolen CR, Gaujoux R, Shen-Orr SS, Hafler D, Fikrig E, Xavier R, Kleinstein SH, Montgomery RR. Systems Immunology Reveals Markers of Susceptibility to West Nile Virus Infection. MSphere 2014, 22: 6-16. PMID: 25355795, PMCID: PMC4278927, DOI: 10.1128/cvi.00508-14.Peer-Reviewed Original ResearchConceptsWest Nile virus infectionVirus infectionMyeloid dendritic cellsMarker of susceptibilityPotential therapeutic strategySeverity of infectionSevere neurological diseaseOlder patientsAcute infectionDendritic cellsCXCL10 expressionDetectable yearsImmunity-related genesStratified cohortWNV infectionTherapeutic strategiesPathogenic mechanismsAnimal studiesNeurological diseasesDisease severityVivo infectionPredictive signatureInfectionProminent alterationsPrimary cellsCommon Genetic Variants Modulate Pathogen-Sensing Responses in Human Dendritic Cells
Lee MN, Ye C, Villani AC, Raj T, Li W, Eisenhaure TM, Imboywa SH, Chipendo PI, Ran FA, Slowikowski K, Ward LD, Raddassi K, McCabe C, Lee MH, Frohlich IY, Hafler DA, Kellis M, Raychaudhuri S, Zhang F, Stranger BE, Benoist CO, De Jager PL, Regev A, Hacohen N. Common Genetic Variants Modulate Pathogen-Sensing Responses in Human Dendritic Cells. Science 2014, 343: 1246980. PMID: 24604203, PMCID: PMC4124741, DOI: 10.1126/science.1246980.Peer-Reviewed Original ResearchMeSH KeywordsAdultAutoimmune DiseasesCommunicable DiseasesDendritic CellsEscherichia coliFemaleGene-Environment InteractionGenetic LociGenome-Wide Association StudyHEK293 CellsHost-Pathogen InteractionsHumansInfluenza A virusInterferon Regulatory Factor-7Interferon-betaLipopolysaccharidesMaleMiddle AgedPolymorphism, Single NucleotideQuantitative Trait LociSTAT Transcription FactorsTranscriptomeYoung AdultConceptsGenetic variationPathogen-responsive genesHuman genetic variationGenetic variantsIRF transcription factorsCommon genetic variantsType I IFN inductionFunctional annotationExpression responsesTranscription factorsI IFN inductionCausal variantsPathogen sensingEnvironmental stimuliComplex diseasesCommon variantsCommon allelesIFN inductionComputational approachVariantsCellsInductionGenesInterindividual variationSTAT
2013
Microbial Reprogramming Inhibits Western Diet-Associated Obesity
Poutahidis T, Kleinewietfeld M, Smillie C, Levkovich T, Perrotta A, Bhela S, Varian BJ, Ibrahim YM, Lakritz JR, Kearney SM, Chatzigiagkos A, Hafler DA, Alm EJ, Erdman SE. Microbial Reprogramming Inhibits Western Diet-Associated Obesity. PLOS ONE 2013, 8: e68596. PMID: 23874682, PMCID: PMC3707834, DOI: 10.1371/journal.pone.0068596.Peer-Reviewed Original ResearchConceptsAge-associated weight gainWeight gainT cellsFast foodAd libitum caloric intakeActive immune toleranceImmune cell profilesRegulatory T cellsT cell balanceRecent epidemiological studiesLikelihood of obesityNaïve recipient animalsGut microbial ecologyT helperImmune toleranceBaseline dietWeight managementCaloric intakePopulation-based approachMouse modelCell balanceEpidemiological studiesRecipient animalsAnimal modelsAbdominal fatSerum autoantibodies to myelin peptides distinguish acute disseminated encephalomyelitis from relapsing– remitting multiple sclerosis
Van Haren K, Tomooka BH, Kidd BA, Banwell B, Bar-Or A, Chitnis T, Tenembaum SN, Pohl D, Rostasy K, Dale RC, O’Connor K, Hafler DA, Steinman L, Robinson WH. Serum autoantibodies to myelin peptides distinguish acute disseminated encephalomyelitis from relapsing– remitting multiple sclerosis. Multiple Sclerosis Journal 2013, 19: 1726-1733. PMID: 23612879, PMCID: PMC4411183, DOI: 10.1177/1352458513485653.Peer-Reviewed Original ResearchConceptsAcute disseminated encephalomyelitisMyelin basic proteinDisseminated encephalomyelitisMyelin peptidesMultiple sclerosisIgM autoantibodiesIsotype-specific secondary antibodiesPediatric acute disseminated encephalomyelitisRelapsing-remitting multiple sclerosisPediatric multiple sclerosisProteolipid proteinMicroarrays softwareBasic proteinMyelin antigensLaboratory featuresPeptide autoantibodiesMS seraSerum autoantibodiesIgG autoantibodiesAutoantibody biomarkersSerum IgGOligodendrocyte-specific proteinAutoantibody reactivityAdult MSAutoantibodiesPhIP-Seq characterization of autoantibodies from patients with multiple sclerosis, type 1 diabetes and rheumatoid arthritis
Larman HB, Laserson U, Querol L, Verhaeghen K, Solimini NL, Xu GJ, Klarenbeek PL, Church GM, Hafler DA, Plenge RM, Nigrovic PA, De Jager PL, Weets I, Martens GA, O'Connor KC, Elledge SJ. PhIP-Seq characterization of autoantibodies from patients with multiple sclerosis, type 1 diabetes and rheumatoid arthritis. Journal Of Autoimmunity 2013, 43: 1-9. PMID: 23497938, PMCID: PMC3677742, DOI: 10.1016/j.jaut.2013.01.013.Peer-Reviewed Original ResearchConceptsType 1 diabetes patientsRheumatoid arthritis patientsMultiple sclerosis patientsLoss of tolerancePhage immunoprecipitation sequencingType 1 diabetesNeurological autoimmunitySeropositivity statusArthritis patientsRheumatoid arthritisSclerosis patientsMultiple sclerosisAutoimmune diseasesDiabetes patientsCerebrospinal fluidGeneral populationSynovial fluidHealthy seraPatientsSusceptible individualsAntibody specificityDiseaseReceptor specificitySerumHuman peptidome
2011
Genome‐wide meta‐analysis identifies novel multiple sclerosis susceptibility loci
Patsopoulos NA, Esposito F, Reischl J, Lehr S, Bauer D, Heubach J, Sandbrink R, Pohl C, Edan G, Kappos L, Miller D, Montalbán J, Polman C, Freedman M, Hartung H, Arnason B, Comi G, Cook S, Filippi M, Goodin D, Jeffery D, O'Connor P, Ebers G, Langdon D, Reder A, Traboulsee A, Zipp F, Schimrigk S, Hillert J, Bahlo M, Booth D, Broadley S, Brown M, Browning B, Browning S, Butzkueven H, Carroll W, Chapman C, Foote S, Griffiths L, Kermode A, Kilpatrick T, Lechner-Scott J, Marriott M, Mason D, Moscato P, Heard R, Pender M, Perreau V, Perera D, Rubio J, Scott R, Slee M, Stankovich J, Stewart G, Taylor B, Tubridy N, Willoughby E, Wiley J, Matthews P, Boneschi F, Compston A, Haines J, Hauser S, McCauley J, Ivinson A, Oksenberg J, Pericak-Vance M, Sawcer S, De Jager P, Hafler D, de Bakker P. Genome‐wide meta‐analysis identifies novel multiple sclerosis susceptibility loci. Annals Of Neurology 2011, 70: 897-912. PMID: 22190364, PMCID: PMC3247076, DOI: 10.1002/ana.22609.Peer-Reviewed Original ResearchConceptsGenome-wide association studiesSingle nucleotide polymorphismsSusceptibility lociHapMap Phase IIUnique single nucleotide polymorphismsGene discovery effortsNew susceptibility lociStrongest cis effectsMS genome-wide association studiesQuantitative trait analysisFlanking genesGenetic architectureRNA expression dataMultiple sclerosis susceptibility lociIntergenic regionSecond intronNew lociNovel susceptibility allelesAdditional lociTrait analysisAssociation studiesExpression dataChromosome 2p21LociFunctional consequencesCD2 Costimulation Reveals Defective Activity by Human CD4+CD25hi Regulatory Cells in Patients with Multiple Sclerosis
Baecher-Allan CM, Costantino CM, Cvetanovich GL, Ashley CW, Beriou G, Dominguez-Villar M, Hafler DA. CD2 Costimulation Reveals Defective Activity by Human CD4+CD25hi Regulatory Cells in Patients with Multiple Sclerosis. The Journal Of Immunology 2011, 186: 3317-3326. PMID: 21300823, PMCID: PMC4467560, DOI: 10.4049/jimmunol.1002502.Peer-Reviewed Original ResearchMeSH KeywordsAdultCD2 AntigensCD4 AntigensCell DifferentiationCells, CulturedCoculture TechniquesFetal BloodForkhead Transcription FactorsHumansInfant, NewbornInterleukin-2 Receptor alpha SubunitInterleukin-7 Receptor alpha SubunitLymphocyte ActivationMiddle AgedMultiple SclerosisSignal TransductionT-Lymphocyte SubsetsT-Lymphocytes, RegulatoryYoung AdultConceptsMultiple sclerosisIL-17Suppressive capacityDR cellsRegulatory T cell populationEffector T cellsExpression of CD127T cell populationsMechanism of actionTreg populationRegulatory cellsIL-10Effector cellsHLA-DREffector subsetsHuman TregsCD2 costimulationMemory TregsT cellsTregsAdult bloodLow expressionSclerosisPatientsCD127
2010
TGF-β Induces IL-9 Production from Human Th17 Cells
Beriou G, Bradshaw EM, Lozano E, Costantino CM, Hastings WD, Orban T, Elyaman W, Khoury SJ, Kuchroo VK, Baecher-Allan C, Hafler DA. TGF-β Induces IL-9 Production from Human Th17 Cells. The Journal Of Immunology 2010, 185: 46-54. PMID: 20498357, PMCID: PMC2936106, DOI: 10.4049/jimmunol.1000356.Peer-Reviewed Original ResearchMeSH KeywordsAdultCell PolarityCells, CulturedCoculture TechniquesDiabetes Mellitus, Type 1Gene Expression RegulationHumansImmunohistochemistryInflammation MediatorsInterleukin-17Interleukin-9Middle AgedResting Phase, Cell CycleT-Lymphocytes, Helper-InducerTransforming Growth Factor beta1Young AdultConceptsCD4 T cellsIL-9 productionIL-17IL-9IL-1betaCD4 cellsProinflammatory cytokinesT cellsNaive cellsIL-9/ILCD4 T cell subsetsMemory CD4 T cellsNaive CD4 T cellsHuman naive CD4 T cellsTh17-inducing cytokinesT cell subsetsHuman autoimmune diseasesAutoimmune diabetesMemory CD4Th17 cellsTh2 cytokinesAutoimmune diseasesCell subsetsIL-4Inflammatory conditionsGenetic variation in the IL7RA/IL7 pathway increases multiple sclerosis susceptibility
Zuvich RL, McCauley JL, Oksenberg JR, Sawcer SJ, De Jager PL, International Multiple Sclerosis Genetics Consortium, Aubin C, Cross AH, Piccio L, Aggarwal NT, Evans D, Hafler DA, Compston A, Hauser SL, Pericak-Vance MA, Haines JL. Genetic variation in the IL7RA/IL7 pathway increases multiple sclerosis susceptibility. Human Genetics 2010, 127: 525-535. PMID: 20112030, PMCID: PMC2854871, DOI: 10.1007/s00439-010-0789-4.Peer-Reviewed Original ResearchConceptsSingle nucleotide polymorphismsGene regionCase-control data setsPutative functional relationshipsNovel gene regionsIndependent case-control data setDense SNP mapReceptor alpha-chain geneIllumina Infinium BeadChipExperiment-wise significanceNovel associationsAlpha chain geneGenetic architectureComplex traitsStrong genetic componentGenetic variationSNP mapInfinium BeadChipAffordable genotypingBiological pathwaysGenesGenetic componentChain geneTYK2 geneNumerous family studies
2009
Monocytes from Patients with Type 1 Diabetes Spontaneously Secrete Proinflammatory Cytokines Inducing Th17 Cells
Bradshaw EM, Raddassi K, Elyaman W, Orban T, Gottlieb PA, Kent SC, Hafler DA. Monocytes from Patients with Type 1 Diabetes Spontaneously Secrete Proinflammatory Cytokines Inducing Th17 Cells. The Journal Of Immunology 2009, 183: 4432-4439. PMID: 19748982, PMCID: PMC2770506, DOI: 10.4049/jimmunol.0900576.Peer-Reviewed Original ResearchConceptsT cellsT1D subjectsImmune systemIL-17-secreting cellsIL-17-secreting T cellsProinflammatory cytokines IL-1betaProinflammatory T cellsEffector T cellsMemory T cellsLong-term patientsHealthy control subjectsCytokines IL-1betaIL-1R antagonistType 1 diabetesInnate immune systemAdaptive immune systemTh1/T1D patientsAutoimmune diseasesIL-6Control subjectsIL-1betaHealthy controlsMonocytesType 1Age-Dependent B Cell Autoimmunity to a Myelin Surface Antigen in Pediatric Multiple Sclerosis
McLaughlin KA, Chitnis T, Newcombe J, Franz B, Kennedy J, McArdel S, Kuhle J, Kappos L, Rostasy K, Pohl D, Gagne D, Ness JM, Tenembaum S, O'Connor KC, Viglietta V, Wong SJ, Tavakoli NP, de Seze J, Idrissova Z, Khoury SJ, Bar-Or A, Hafler DA, Banwell B, Wucherpfennig KW. Age-Dependent B Cell Autoimmunity to a Myelin Surface Antigen in Pediatric Multiple Sclerosis. The Journal Of Immunology 2009, 183: 4067-4076. PMID: 19687098, PMCID: PMC2795331, DOI: 10.4049/jimmunol.0801888.Peer-Reviewed Original ResearchConceptsMyelin oligodendrocyte glycoproteinMultiple sclerosisB cell autoimmunityCell autoimmunityMOG-AbNative myelin oligodendrocyte glycoproteinPediatric-onset multiple sclerosisEarly onsetSurface AgPediatric MS casesPediatric-onset MSPediatric multiple sclerosisAdult-onset patientsCNS white matterHuman CNS white matterYears of ageAdult-onset diseaseDifferent myelin proteinsImmunological mechanismsPediatric patientsSerum AbsSuch autoantibodiesOligodendrocyte glycoproteinDisease onsetGlial cellsSoluble IL-2RA Levels in Multiple Sclerosis Subjects and the Effect of Soluble IL-2RA on Immune Responses
Maier LM, Anderson DE, Severson CA, Baecher-Allan C, Healy B, Liu DV, Wittrup KD, De Jager PL, Hafler DA. Soluble IL-2RA Levels in Multiple Sclerosis Subjects and the Effect of Soluble IL-2RA on Immune Responses. The Journal Of Immunology 2009, 182: 1541-1547. PMID: 19155502, PMCID: PMC3992946, DOI: 10.4049/jimmunol.182.3.1541.Peer-Reviewed Original ResearchConceptsMultiple sclerosisIL-2 receptorMS subjectsHealthy controlsOrgan-specific autoimmune disordersChronic systemic inflammationType 1 diabetesT cell proliferationMultiple sclerosis subjectsStrong genetic factorIL-2 signalingSIL-2RaSystemic inflammationAutoimmune disordersImmunological perturbationsAutoimmune diseasesIL-2RAControl subjectsMS casesSerum concentrationsDisease onsetSpecific allelic variantsImmune responseAggressive formDisease risk