2022
Fatty Acid Metabolism and T Cells in Multiple Sclerosis
Pompura SL, Hafler DA, Dominguez-Villar M. Fatty Acid Metabolism and T Cells in Multiple Sclerosis. Frontiers In Immunology 2022, 13: 869197. PMID: 35603182, PMCID: PMC9116144, DOI: 10.3389/fimmu.2022.869197.Peer-Reviewed Original ResearchConceptsT cell functionT cellsMultiple sclerosisSpecific lipid speciesEffector T cellsRegulatory T cellsCell functionT helper subsetsMetabolic programsT cell activationT cell transitionLipid speciesFatty acid metabolismTh subsetsHelper subsetsEffector stateBody of evidenceCell activationDisease settingsDisease statesFunctional phenotypeOrganismal levelAcid metabolismMetabolic remodelingNutrient availability
2020
Transcriptomic and clonal characterization of T cells in the human central nervous system
Pappalardo JL, Zhang L, Pecsok MK, Perlman K, Zografou C, Raddassi K, Abulaban A, Krishnaswamy S, Antel J, van Dijk D, Hafler DA. Transcriptomic and clonal characterization of T cells in the human central nervous system. Science Immunology 2020, 5 PMID: 32948672, PMCID: PMC8567322, DOI: 10.1126/sciimmunol.abb8786.Peer-Reviewed Original ResearchConceptsCentral nervous systemCSF of patientsT cellsCerebrospinal fluidMultiple sclerosisImmune surveillanceNervous systemCSF T cellsHuman central nervous systemHealthy human donorsT cell activationImmune dysfunctionNeuroinflammatory diseasesCytotoxic capacityHealthy donorsHealthy individualsCell activationHuman donorsTissue adaptationPatientsClonal characterizationExpression of genesCellsSurveillanceFurther characterization
2018
Regulatory T Cells: From Discovery to Autoimmunity
Kitz A, Singer E, Hafler D. Regulatory T Cells: From Discovery to Autoimmunity. Cold Spring Harbor Perspectives In Medicine 2018, 8: a029041. PMID: 29311129, PMCID: PMC6280708, DOI: 10.1101/cshperspect.a029041.Peer-Reviewed Original ResearchConceptsAutoreactive T cellsT cellsMultiple sclerosisEffector-like T cellsInterferon γ secretionEffector T cellsRegulatory T cellsTreg cell functionT-bet expressionCentral nervous systemT cell activationFunctional TregsΓ secretionProinflammatory cytokinesVitamin DAutoimmune diseasesGenetic predispositionNervous systemLoss of functionReduced suppressionConsistent findingCell functionDisease developmentActivationCells
2013
The CD226/CD155 Interaction Regulates the Proinflammatory (Th1/Th17)/Anti-Inflammatory (Th2) Balance in Humans
Lozano E, Joller N, Cao Y, Kuchroo VK, Hafler DA. The CD226/CD155 Interaction Regulates the Proinflammatory (Th1/Th17)/Anti-Inflammatory (Th2) Balance in Humans. The Journal Of Immunology 2013, 191: 3673-3680. PMID: 23980210, PMCID: PMC3819731, DOI: 10.4049/jimmunol.1300945.Peer-Reviewed Original ResearchConceptsNaive T cellsT cellsInflammatory balanceIL-13IL-17-producing cellsRole of CD226IL-17 productionIL-17 secretionHuman autoimmune diseasesIFN-γ productionIL-13 secretionIFN-γ expressionProduction of IFNSTAT-6 phosphorylationT cell activationHuman T cellsLigand CD155Th17 cellsIL-17Autoimmune diseasesIL-4T-betTh1 differentiationTh17 conditionsTherapeutic approaches
2012
Prostaglandin E2 Affects T Cell Responses through Modulation of CD46 Expression
Kickler K, Maltby K, Choileain S, Stephen J, Wright S, Hafler DA, Jabbour HN, Astier AL. Prostaglandin E2 Affects T Cell Responses through Modulation of CD46 Expression. The Journal Of Immunology 2012, 188: 5303-5310. PMID: 22544928, PMCID: PMC3758685, DOI: 10.4049/jimmunol.1103090.Peer-Reviewed Original ResearchConceptsG protein-coupled receptor kinasesCell functionProtein-coupled receptor kinasesT cell functionT cell activationG protein-coupled receptorsProtein-coupled receptorsCD46 expressionPrimary T cellsReceptor kinaseT cellsCD46 functionsCell activationRegulatory mechanismsDiverse rolesDifferentiation pathwayNovel roleCytokine productionProstanoid familyActivation signalsActivated T cellsT cell responsesChronic inflammatory diseaseSubtypes of receptorsCD46 activationProstaglandin E2 affects T cell responses through modulation of CD46 expression. (178.8)
Astier A, Kickler K, Ni Choileain S, Stephen J, Hafler D, Jabbour H. Prostaglandin E2 affects T cell responses through modulation of CD46 expression. (178.8). The Journal Of Immunology 2012, 188: 178.8-178.8. DOI: 10.4049/jimmunol.188.supp.178.8.Peer-Reviewed Original ResearchT cell functionCell functionReceptor kinase familyT cell activationProstaglandin E2CD46 expressionT cellsPrimary T cellsKinase familyCytokine productionCD46 functionsCell activationRegulatory mechanismsDiverse rolesDifferentiation pathwayNovel roleG proteinsCell surfaceRole of PGE2Addition of PGE2T cell surfaceT cell responsesChronic inflammatory diseaseComplement regulator CD46Activation signals
2011
The CD6 Multiple Sclerosis Susceptibility Allele Is Associated with Alterations in CD4+ T Cell Proliferation
Kofler DM, Severson CA, Mousissian N, De Jager PL, Hafler DA. The CD6 Multiple Sclerosis Susceptibility Allele Is Associated with Alterations in CD4+ T Cell Proliferation. The Journal Of Immunology 2011, 187: 3286-3291. PMID: 21849685, DOI: 10.4049/jimmunol.1100626.Peer-Reviewed Original ResearchMeSH KeywordsAllelesAntigens, CDAntigens, Differentiation, T-LymphocyteCD4-Positive T-LymphocytesCD8-Positive T-LymphocytesCell ProliferationCell SeparationCells, CulturedFemaleFlow CytometryGenetic Predisposition to DiseaseGenotypeHumansMaleMultiple SclerosisPhenotypeReverse Transcriptase Polymerase Chain ReactionRisk FactorsRNA, Small InterferingConceptsGenome-wide association studiesAssociation studiesAllelic variantsNew susceptibility lociSusceptibility allelesRisk allelesProliferation defectExon 5Risk-associated allelesSingle nucleotide polymorphismsExtracellular binding sitesCD6 geneSusceptibility lociLinkage disequilibriumMS risk alleleSelective knockdownT cell activationNucleotide polymorphismsAltered proliferationCell proliferationGenetic associationAllelesLong-term activationBinding sitesMS susceptibility alleles
2009
RNA Interference Screen in Primary Human T Cells Reveals FLT3 as a Modulator of IL-10 Levels
Astier AL, Beriou G, Eisenhaure TM, Anderton SM, Hafler DA, Hacohen N. RNA Interference Screen in Primary Human T Cells Reveals FLT3 as a Modulator of IL-10 Levels. The Journal Of Immunology 2009, 184: 685-693. PMID: 20018615, PMCID: PMC3746748, DOI: 10.4049/jimmunol.0902443.Peer-Reviewed Original ResearchConceptsIL-10 levelsRegulatory type 1 (Tr1) cellsIL-10 secretionIL-10 productionT cellsType 1 cellsHuman T cellsIL-10Primary human T cellsPotent anti-inflammatory cytokineHematopoeitic growth factorsAnti-inflammatory cytokinesHuman primary immune cellsT cell functionActivated T cellsAddition of FLPrimary immune cellsT cell activationRegulatory cellsNovel regulatory feedback loopImmune cellsSuppressive activityCell activationFLT3Growth factorT-Cells in Multiple Sclerosis
Severson C, Hafler DA. T-Cells in Multiple Sclerosis. 2009, 51: 1-24. PMID: 19582415, DOI: 10.1007/400_2009_12.Peer-Reviewed Original ResearchConceptsMultiple sclerosisT cellsMultifocal demyelinating diseaseMultiple cell subtypesRegulatory T cellsT cell subsetsT cell functionCentral nervous systemRational therapeutic strategiesT cell activationDemyelinating diseaseMS pathogenesisMS pathophysiologyCell subsetsAdaptive immunityEffective treatmentTherapeutic strategiesNervous systemCell activationCell subtypesEvidence implicateSpecific toleranceFunctional defectsIntrinsic cellsCell functionT-Cells in Multiple Sclerosis
Severson C, Hafler D. T-Cells in Multiple Sclerosis. Results And Problems In Cell Differentiation 2009, 51: 75-98. DOI: 10.1007/400_2009_9012.Peer-Reviewed Original ResearchMultiple sclerosisT cellsMultifocal demyelinating diseaseMultiple cell subtypesRegulatory T cellsT cell subsetsT cell functionCentral nervous systemRational therapeutic strategiesT cell activationDemyelinating diseaseMS pathogenesisMS pathophysiologyCell subsetsAdaptive immunityEffective treatmentTherapeutic strategiesNervous systemCell activationCell subtypesEvidence implicateSpecific toleranceFunctional defectsIntrinsic cellsCell function
2008
CTLA4Ig treatment in patients with multiple sclerosis
Viglietta V, Bourcier K, Buckle GJ, Healy B, Weiner HL, Hafler DA, Egorova S, Guttmann CR, Rusche JR, Khoury SJ. CTLA4Ig treatment in patients with multiple sclerosis. Neurology 2008, 71: 917-924. PMID: 18794494, DOI: 10.1212/01.wnl.0000325915.00112.61.Peer-Reviewed Original ResearchConceptsMultiple sclerosisCostimulatory pathwayPhase 1 dose-escalation studyT cell-mediated autoimmune diseaseCell-mediated autoimmune diseaseRelapsing-remitting multiple sclerosisT-cell costimulatory pathwaysCostimulatory molecule interactionsMonths of infusionDose-escalation studyInterferon-gamma productionT cell activationOriginal therapeutic approachAdverse eventsImmunologic assessmentImmunologic effectsCTLA4Ig treatmentChronic inflammationAutoimmune diseasesInflammatory processT cellsImmune responseTherapeutic approachesCTLA4IgExtension study
2006
Alterations in CD46-mediated Tr1 regulatory T cells in patients with multiple sclerosis
Astier AL, Meiffren G, Freeman S, Hafler DA. Alterations in CD46-mediated Tr1 regulatory T cells in patients with multiple sclerosis. Journal Of Clinical Investigation 2006, 116: 3252-3257. PMID: 17099776, PMCID: PMC1635165, DOI: 10.1172/jci29251.Peer-Reviewed Original ResearchConceptsIL-10 secretionTr1 regulatory T cellsRegulatory T cellsHuman autoimmune diseasesMultiple sclerosisT cellsAutoimmune diseasesTr1 cellsIL-10Antiinflammatory cytokine IL-10Cytokine IL-10IFN-gamma secretionT cell functionT cell activationHuman T cellsTreg defectsTreg phenotypeTreg functionCostimulatory moleculesHealthy subjectsMurine modelCD46 costimulationCell activationCD28 costimulationPatients
2000
Paradoxical inhibition of T-cell function in response to CTLA-4 blockade; heterogeneity within the human T-cell population
Anderson D, Bieganowska K, Bar-Or A, Oliveira E, Carreno B, Collins M, Hafler D. Paradoxical inhibition of T-cell function in response to CTLA-4 blockade; heterogeneity within the human T-cell population. Nature Medicine 2000, 6: 211-214. PMID: 10655112, DOI: 10.1038/72323.Peer-Reviewed Original ResearchConceptsCTLA-4 blockadeT cell populationsCTLA-4T cellsMonoclonal antibodiesB7-1B7-2Immune responseCytotoxic T-lymphocyte antigen-4Whole T cell populationsT-lymphocyte antigen-4Antigen-specific T cellsT cell activation stateHuman T cell populationsT cell functionT cell receptor signalsCo-stimulatory signalsDifferent T cellsT cell stimulationEffect of B7T cell activationActivation stateT cell receptorHuman T cellsFab fragments
1999
HTLV-I-Infected T Cells Evade the Antiproliferative Action of IFN-β
Smith D, Buckle G, Hafler D, Frank D, Höllsberg P. HTLV-I-Infected T Cells Evade the Antiproliferative Action of IFN-β. Virology 1999, 257: 314-321. PMID: 10329542, DOI: 10.1006/viro.1999.9679.Peer-Reviewed Original ResearchConceptsT cell clonesIFN-betaT cellsAntiproliferative actionHuman T-cell lymphotropic virus type IMyelopathy/tropical spastic paraparesisLymphotropic virus type INormal immunoregulatory mechanismsInnate immune defense mechanismsHost T cellsExogenous IL-2Tropical spastic paraparesisT cell proliferationImmune defense mechanismsVirus type IT cell activationPathogenesis of HTLVImmunoregulatory mechanismsSpastic paraparesisIL-2Phosphorylation of STAT1IFN-gammaViral infectionHigh dosesHTLV
1998
Expansion of autoreactive T cells in multiple sclerosis is independent of exogenous B7 costimulation.
Scholz C, Patton K, Anderson D, Freeman G, Hafler D. Expansion of autoreactive T cells in multiple sclerosis is independent of exogenous B7 costimulation. The Journal Of Immunology 1998, 160: 1532-8. PMID: 9570577, DOI: 10.4049/jimmunol.160.3.1532.Peer-Reviewed Original ResearchMeSH KeywordsAbataceptAntigens, CDAntigens, DifferentiationAutoantigensB7-1 AntigenB7-2 AntigenClone CellsCTLA-4 AntigenEpitopes, T-LymphocyteHumansImmunoconjugatesImmunoglobulin Fc FragmentsImmunosuppressive AgentsInterleukin-4Lymphocyte ActivationMembrane GlycoproteinsMultiple SclerosisMyelin Basic ProteinRecombinant Fusion ProteinsTetanus ToxoidThymidineT-Lymphocyte SubsetsConceptsCD4 T cellsMultiple sclerosisT cellsB7-1Myelin basic proteinPathogenesis of MSMyelin-reactive T cellsPeripheral blood T cellsB7-2 engagementAutoreactive T cellsBlood T cellsAbsence of costimulationCentral nervous systemAntigen-specific signalT cell activationMS patientsB7 costimulationInflammatory diseasesTetanus toxoidB7-2Normal controlsNormal subjectsCostimulatory signalsNervous systemCell activation
1997
Expression of a hypoglycosylated form of CD86 (B7-2) on human T cells with altered binding properties to CD28 and CTLA-4.
Höllsberg P, Scholz C, Anderson DE, Greenfield EA, Kuchroo VK, Freeman GJ, Hafler DA. Expression of a hypoglycosylated form of CD86 (B7-2) on human T cells with altered binding properties to CD28 and CTLA-4. The Journal Of Immunology 1997, 159: 4799-805. PMID: 9366404, DOI: 10.4049/jimmunol.159.10.4799.Peer-Reviewed Original ResearchMeSH KeywordsAbataceptAnimalsAntibodies, MonoclonalAntigens, CDAntigens, DifferentiationB7-2 AntigenCD28 AntigensCD3 ComplexCD4-Positive T-LymphocytesCell Line, TransformedCHO CellsClone CellsCricetinaeCTLA-4 AntigenGlycosylationHumansImmunoconjugatesLymphocyte ActivationMembrane GlycoproteinsProtein BindingT-Lymphocyte SubsetsConceptsPost-translational modificationsCell type-specific post-translational modificationsHuman T cellsDifferent cell typesMajor costimulatory signalChinese hamster ovary cellsHamster ovary cellsCell clonesFusion proteinCostimulatory signalsCell typesT cell activationFunctional significanceOvary cellsBiochemical analysisSurface membraneCostimulatory functionDetectable bindingExpressionT cellsClonesCell activationCTLA-4-Ig fusion proteinCellsCell expressionConstitutive expression of costimulatory molecules by human microglia and its relevance to CNS autoimmunity
Dangond F, Windhagen A, Groves C, Hafler D. Constitutive expression of costimulatory molecules by human microglia and its relevance to CNS autoimmunity. Journal Of Neuroimmunology 1997, 76: 132-138. PMID: 9184642, DOI: 10.1016/s0165-5728(97)00043-x.Peer-Reviewed Original ResearchConceptsCentral nervous systemCostimulatory moleculesHuman microgliaMyelin-reactive T cellsTh1 T cell responsesExpression of B7.1Reactive T cellsT cell responsesMultiple sclerosis plaquesT cell surface moleculesB7.2 costimulatory moleculesMHC-antigen complexesT cell activationT cell receptorCNS autoimmunityCNS inflammationB7.2 expressionBiopsy specimensB7 familyT cellsNormal brainMicrogliaNervous systemB7.1High expression
1996
HTLV-I-induced T-cell activation.
Buckle GJ, Hafler DA, Höllsberg P. HTLV-I-induced T-cell activation. JAIDS Journal Of Acquired Immune Deficiency Syndromes 1996, 13 Suppl 1: s107-13. PMID: 8797712, DOI: 10.1097/00042560-199600001-00018.Peer-Reviewed Original ResearchConceptsT cell activationT cellsUninfected T cellsT cell interactionsMyelopathy/tropical spastic paraparesisHuman T-cell lymphotropic virus type ILymphotropic virus type ITropical spastic paraparesisInfected T cellsT cell clonesIL-2 productionInterleukin-2 productionVirus type ISpastic paraparesisSpontaneous proliferationCD28 pathwayGeneralized activationCostimulatory signalsImmune systemSeparate mechanismsHTLVProlonged stateType IActivationCells
1995
Expression of costimulatory molecules B7-1 (CD80), B7-2 (CD86), and interleukin 12 cytokine in multiple sclerosis lesions.
Windhagen A, Newcombe J, Dangond F, Strand C, Woodroofe MN, Cuzner ML, Hafler DA. Expression of costimulatory molecules B7-1 (CD80), B7-2 (CD86), and interleukin 12 cytokine in multiple sclerosis lesions. Journal Of Experimental Medicine 1995, 182: 1985-1996. PMID: 7500044, PMCID: PMC2192240, DOI: 10.1084/jem.182.6.1985.Peer-Reviewed Original ResearchConceptsAutoreactive T cellsMultiple sclerosisT cellsB7-1Autoimmune diseasesCostimulatory moleculesMS plaquesB7-2T cell-mediated autoimmune diseaseInitiation of MSMyelin-autoreactive T cellsCell-mediated autoimmune diseaseSelf-reactive T cellsCostimulatory molecules B7-1Acute MS plaquesAutoimmune animal modelsInterleukin-12 cytokinesPutative autoimmune diseaseSemiquantitative reverse transcriptase-polymerase chain reactionReverse transcriptase-polymerase chain reactionExpression of cytokinesTranscriptase-polymerase chain reactionT cell activationMultiple sclerosis lesionsInflammatory cuffs
1994
Human T cell lymphotropic virus type I-induced T cell activation. Resistance to TGF-beta 1-induced suppression.
Höllsberg P, Ausubel LJ, Hafler DA. Human T cell lymphotropic virus type I-induced T cell activation. Resistance to TGF-beta 1-induced suppression. The Journal Of Immunology 1994, 153: 566-73. PMID: 8021495, DOI: 10.4049/jimmunol.153.2.566.Peer-Reviewed Original ResearchConceptsT cell clonesT cell activationHuman T-cell lymphotropic virus type ILymphotropic virus type IVirus type ICell activationCell clonesT cellsCD3/TCR complexHTLV-I myelopathyT cell proliferationType IImmune regulationHTLVHyperphosphorylation of pRbProductive infectionCell cycle progressionCell proliferationTCR complexPatientsG1 phaseInfectionSingle cell cloningCycle progressionActivation