2014
Enhanced suppressor function of TIM‐3+FoxP3+ regulatory T cells
Gautron A, Dominguez-Villar M, de Marcken M, Hafler DA. Enhanced suppressor function of TIM‐3+FoxP3+ regulatory T cells. European Journal Of Immunology 2014, 44: 2703-2711. PMID: 24838857, PMCID: PMC4165702, DOI: 10.1002/eji.201344392.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, CDCell DifferentiationCTLA-4 AntigenFemaleForkhead Transcription FactorsGene Expression RegulationGranzymesHepatitis A Virus Cellular Receptor 2HumansInterleukin 1 Receptor Antagonist ProteinInterleukin-10InterleukinsLymphocyte Activation Gene 3 ProteinMaleMembrane ProteinsMiceMinor Histocompatibility AntigensReceptors, CCR6STAT3 Transcription FactorTh17 CellsT-Lymphocytes, RegulatoryConceptsTim-3 expressionRegulatory T cellsTreg cellsTim-3T cellsNatural regulatory T cellsMucin domain 3Number of TIMTh17 cell responseEffector T cellsT cell suppressionHuman Treg cellsT-cell immunoglobulinAnti-CD28 stimulationT cell differentiationSTAT-3 expressionPathogenic Th1Th17 cellsTc1 cellsImmune toleranceTh1 cellsLevel of expressionReduced gene expressionGene expressionSuppressor function
2007
Allelic variant in CTLA4 alters T cell phosphorylation patterns
Maier LM, Anderson DE, De Jager PL, Wicker LS, Hafler DA. Allelic variant in CTLA4 alters T cell phosphorylation patterns. Proceedings Of The National Academy Of Sciences Of The United States Of America 2007, 104: 18607-18612. PMID: 18000051, PMCID: PMC2141824, DOI: 10.1073/pnas.0706409104.Peer-Reviewed Original ResearchConceptsT cell antigen receptorAllelic variationMemory T cellsAutoimmune diseasesCell antigen receptorT cell signalingT cellsFunctional effectsDisease susceptibility allelesCell signalingPhosphorylation patternPhosphorylation levelsSusceptibility variantsTCR stimulationAllelic variantsHuman immune cellsAntigen receptorGenesImmune cellsHealthy individualsCTLA4 geneCellsSpecific mAbsCTLA4Disease
2004
An Autoimmune Disease-Associated CTLA-4 Splice Variant Lacking the B7 Binding Domain Signals Negatively in T Cells
Vijayakrishnan L, Slavik JM, Illés Z, Greenwald RJ, Rainbow D, Greve B, Peterson LB, Hafler DA, Freeman GJ, Sharpe AH, Wicker LS, Kuchroo VK. An Autoimmune Disease-Associated CTLA-4 Splice Variant Lacking the B7 Binding Domain Signals Negatively in T Cells. Immunity 2004, 20: 563-575. PMID: 15142525, DOI: 10.1016/s1074-7613(04)00110-4.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAntigens, CDAntigens, DifferentiationAutoimmune DiseasesB7-1 AntigenBlotting, WesternCloning, MolecularCTLA-4 AntigenFemaleFlow CytometryHumansMembrane ProteinsMiceMice, Inbred NODMolecular Sequence DataReceptors, Antigen, T-CellReverse Transcriptase Polymerase Chain ReactionRNA, MessengerSignal TransductionT-LymphocytesConceptsCytotoxic T-lymphocyte-associated antigen 4T cell responsesT cellsNOD miceAutoimmune diseasesT cell-mediated autoimmune diseaseT-lymphocyte-associated antigen 4Cell responsesCell-mediated autoimmune diseaseSusceptible NOD miceRegulatory T cellsNOD congenic miceCTLA-4 locusAntigen-4B7-1B7-2Primary T cellsCongenic miceSplice variantsMiceNegative signalingMYPPPY motifDiseaseType IGenetic linkage
2003
CTLA-4 dysregulation in the activation of myelin basic protein reactive T cells may distinguish patients with multiple sclerosis from healthy controls
Oliveira EM, Bar-Or A, Waliszewska AI, Cai G, Anderson DE, Krieger JI, Hafler DA. CTLA-4 dysregulation in the activation of myelin basic protein reactive T cells may distinguish patients with multiple sclerosis from healthy controls. Journal Of Autoimmunity 2003, 20: 71-81. PMID: 12604314, DOI: 10.1016/s0896-8411(02)00106-3.Peer-Reviewed Original ResearchConceptsMultiple sclerosisT cellsMyelin basic proteinHealthy controlsMyelin basic protein-reactive T cellsMBP-reactive T cellsPathogenesis of MSPeripheral blood mononuclear cellsCTLA-4 blockadeReactive T cellsBlood mononuclear cellsCo-stimulatory pathwaysNaïve T cellsCo-stimulatory signalsCentral nervous systemCTLA-4 engagementCytokine responsesAutoimmune responseMononuclear cellsInflammatory diseasesB7-CD28Proliferative responseNervous systemPatientsMyelin sheathCTLA4 is associated with susceptibility to multiple sclerosis
Kantarci OH, Hebrink DD, Achenbach SJ, Atkinson EJ, Waliszewska A, Buckle G, McMurray CT, de Andrade M, Hafler DA, Weinshenker BG. CTLA4 is associated with susceptibility to multiple sclerosis. Journal Of Neuroimmunology 2003, 134: 133-141. PMID: 12507781, DOI: 10.1016/s0165-5728(02)00395-8.Peer-Reviewed Original ResearchAbataceptAge of OnsetAlternative SplicingAntigens, CDAntigens, DifferentiationBostonCTLA-4 AntigenDisease ProgressionDNA Mutational AnalysisExonsFemaleGenetic LinkageGenetic Predisposition to DiseaseGenetic TestingGenetic VariationGenotypeHaplotypesHumansImmunoconjugatesMaleMicrosatellite RepeatsMinnesotaMultiple SclerosisPolymorphism, Genetic
2002
GAD65-reactive T cells are activated in patients with autoimmune type 1a diabetes
Viglietta V, Kent SC, Orban T, Hafler DA. GAD65-reactive T cells are activated in patients with autoimmune type 1a diabetes. Journal Of Clinical Investigation 2002, 109: 895-903. PMID: 11927616, PMCID: PMC150925, DOI: 10.1172/jci14114.Peer-Reviewed Original ResearchMeSH KeywordsAbataceptAdultAntigens, CDAntigens, DifferentiationAutoimmunityB7-1 AntigenB7-2 AntigenCD28 AntigensCell DivisionCTLA-4 AntigenDiabetes Mellitus, Type 1FemaleGlutamate DecarboxylaseHumansImmunoconjugatesInterferon-gammaInterleukin-13IsoenzymesMaleMembrane GlycoproteinsSignal TransductionT-LymphocytesConceptsGAD65-reactive T cellsType 1 diabetesAutoreactive T cellsT cellsB7-1New-onset type 1 diabetesPancreatic islet cell antigensInsulin-dependent type 1 diabetesGlutamic acid decarboxylase 65B7-2 engagementType 1A diabetesMemory T cellsStimulation ex vivoIslet cell antigensB7-2 moleculesT cell proliferationB7-1 costimulationAutoimmune diseasesCTLA-4Healthy controlsPathogenic roleSelective blockadeCytokine secretionHuman diabetesT lymphocytes
2001
CD4+CD25high Regulatory Cells in Human Peripheral Blood
Baecher-Allan C, Brown J, Freeman G, Hafler D. CD4+CD25high Regulatory Cells in Human Peripheral Blood. The Journal Of Immunology 2001, 167: 1245-1253. PMID: 11466340, DOI: 10.4049/jimmunol.167.3.1245.Peer-Reviewed Original ResearchMeSH KeywordsAbataceptAntigens, CDAntigens, DifferentiationB7-1 AntigenB7-H1 AntigenBlood ProteinsCD4 AntigensCD4-Positive T-LymphocytesCells, CulturedCoculture TechniquesCTLA-4 AntigenHLA-DR AntigensHumansImmunoconjugatesImmunosuppressive AgentsInterleukin-2KineticsLeukocyte Common AntigensLymphocyte ActivationLymphocyte CountMembrane GlycoproteinsPeptidesReceptors, Antigen, T-CellReceptors, Interleukin-2RNA, MessengerSignal TransductionT-Lymphocyte SubsetsConceptsRegulatory T cellsRegulatory cellsT cellsPD-1/PD-L1Regulatory CD4 T cellsAnti-CD3 stimulusCD4 T cellsHuman autoimmune disordersMultiorgan autoimmune diseasePeripheral lymphoid tissuesRegulatory cell functionIL-2 receptorPD-L1 receptorCirculation of humansHuman peripheral bloodContact-dependent mannerNeonatal day 3B7 pathwayPD-L1Regulatory populationAutoimmune disordersAutoimmune diseasesPeripheral bloodResponder cellsIL-2
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
The B7–CD28/CTLA-4 costimulatory pathways in autoimmune disease of the central nervous system
Anderson D, Sharpe A, Hafler D. The B7–CD28/CTLA-4 costimulatory pathways in autoimmune disease of the central nervous system. Current Opinion In Immunology 1999, 11: 677-683. PMID: 10631554, DOI: 10.1016/s0952-7915(99)00036-9.Peer-Reviewed Original ResearchConceptsSelf-reactive T cellsB7-CD28/CTLAAutoimmune diseasesT cellsTh1/Th2 cell differentiationB7-CD28 costimulationHuman autoimmune diseasesCentral nervous systemTh2 cell differentiationCostimulatory pathwayEffector phaseCTLA-4Nervous systemCritical roleDiseaseCTLARecent studiesCell differentiationCellsPast yearPathwayAutoimmunityCD28InitiationCostimulation
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 expressionB7.2 expressed by T cells does not induce CD28-mediated costimulatory activity but retains CTLA4 binding: implications for induction of antitumor immunity to T cell tumors.
Greenfield EA, Howard E, Paradis T, Nguyen K, Benazzo F, McLean P, Höllsberg P, Davis G, Hafler DA, Sharpe AH, Freeman GJ, Kuchroo VK. B7.2 expressed by T cells does not induce CD28-mediated costimulatory activity but retains CTLA4 binding: implications for induction of antitumor immunity to T cell tumors. The Journal Of Immunology 1997, 158: 2025-34. PMID: 9036945, DOI: 10.4049/jimmunol.158.5.2025.Peer-Reviewed Original ResearchMeSH KeywordsAbataceptAnimalsAntigens, CDAntigens, DifferentiationB7-2 AntigenCD28 AntigensCell DivisionCTLA-4 AntigenFemaleImmunoconjugatesLymphocyte ActivationMembrane GlycoproteinsMiceMice, Inbred BALB CMice, Inbred C57BLProtein BindingThymomaThymus NeoplasmsT-LymphocytesTransfectionTumor Cells, Cultured
1992
CTLA-4 and CD28 mRNA are coexpressed in most T cells after activation. Expression of CTLA-4 and CD28 mRNA does not correlate with the pattern of lymphokine production.
Freeman GJ, Lombard DB, Gimmi CD, Brod SA, Lee K, Laning JC, Hafler DA, Dorf ME, Gray GS, Reiser H. CTLA-4 and CD28 mRNA are coexpressed in most T cells after activation. Expression of CTLA-4 and CD28 mRNA does not correlate with the pattern of lymphokine production. The Journal Of Immunology 1992, 149: 3795-801. PMID: 1281186, DOI: 10.4049/jimmunol.149.12.3795.Peer-Reviewed Original ResearchMeSH KeywordsAbataceptAnimalsAntigens, CDAntigens, DifferentiationAntigens, Differentiation, T-LymphocyteAntigens, SurfaceB7-1 AntigenBase SequenceBlotting, NorthernCD28 AntigensCell Adhesion MoleculesCell LineCTLA-4 AntigenHumansImmunoconjugatesInterferon-gammaInterleukinsLeukemia, T-CellLymphocyte ActivationLymphokinesMiceMolecular Sequence DataOligonucleotide ProbesPolymerase Chain ReactionRNA, MessengerT-LymphocytesTumor Necrosis Factor-alphaConceptsT cell clonesCTLA-4 mRNACTLA-4T cellsActivated T cellsT cell activationT cell linesMurine T cell clonesCell clonesCD28 mRNACostimulatory signalsT cell receptor-dependent stimulationCell activationNormal T cell subsetsAg-presenting cellsHuman T cell clonesT cell subsetsExpression of CD28Th2 cytokine profileMost T cellsLeukemic T cell lineCell linesReceptor-dependent stimulationSuch costimulatory signalsInteraction of B7