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
2010
Functionally defective germline variants of sialic acid acetylesterase in autoimmunity
Surolia I, Pirnie SP, Chellappa V, Taylor KN, Cariappa A, Moya J, Liu H, Bell DW, Driscoll DR, Diederichs S, Haider K, Netravali I, Le S, Elia R, Dow E, Lee A, Freudenberg J, De Jager PL, Chretien Y, Varki A, MacDonald ME, Gillis T, Behrens TW, Bloch D, Collier D, Korzenik J, Podolsky DK, Hafler D, Murali M, Sands B, Stone JH, Gregersen PK, Pillai S. Functionally defective germline variants of sialic acid acetylesterase in autoimmunity. Nature 2010, 466: 243-247. PMID: 20555325, PMCID: PMC2900412, DOI: 10.1038/nature09115.Peer-Reviewed Original ResearchMeSH KeywordsAcetylationAcetylesteraseAllelesAnimalsAntibodies, AntinuclearArthritis, RheumatoidAutoimmune DiseasesAutoimmunityBiocatalysisB-LymphocytesCarboxylic Ester HydrolasesCase-Control StudiesCell LineDiabetes Mellitus, Type 1EuropeExonsGenetic Predisposition to DiseaseGerm-Line MutationHumansMiceN-Acetylneuraminic AcidOdds RatioPolymorphism, Single NucleotideSample SizeSequence Analysis, DNA
2009
On-Chip Activation and Subsequent Detection of Individual Antigen-Specific T Cells
Song Q, Han Q, Bradshaw EM, Kent SC, Raddassi K, Nilsson B, Nepom GT, Hafler DA, Love JC. On-Chip Activation and Subsequent Detection of Individual Antigen-Specific T Cells. Analytical Chemistry 2009, 82: 473-477. PMID: 20000848, PMCID: PMC2828941, DOI: 10.1021/ac9024363.Peer-Reviewed Original ResearchConceptsAntigen-specific T cellsAntigen-specific CD4T cellsAntigen-specific mannerType 1 diabetesMajor histocompatibility complex receptorIndividual CD4Multiple sclerosisAutoimmune diseasesPrimary T cellsCD4Subnanoliter wellsClinical samplesNumber of cellsComplex receptorSubsequent assessmentHuman tissuesCellsChip activationVivoActivationSclerosisDiabetesCytokinesDiseaseCathepsin S Regulates Class II MHC Processing in Human CD4+ HLA-DR+ T Cells
Costantino CM, Ploegh HL, Hafler DA. Cathepsin S Regulates Class II MHC Processing in Human CD4+ HLA-DR+ T Cells. The Journal Of Immunology 2009, 183: 945-952. PMID: 19553543, PMCID: PMC2752291, DOI: 10.4049/jimmunol.0900921.Peer-Reviewed Original ResearchConceptsT cellsCathepsin S expressionSelf-Ag presentationClass II MHC moleculesClass II MHCT cell clonesCathepsin SII MHC moleculesCLIP expressionProfessional APCsConsequence of activationII MHCHuman CD4Presentation pathwayB cellsMHC moleculesEx vivoHLACell clonesInvariant chain proteolysisLysosomal proteasesS expressionCellsActivationCell surface
2008
TIM-4 Expressed on APCs Induces T Cell Expansion and Survival
Rodriguez-Manzanet R, Meyers JH, Balasubramanian S, Slavik J, Kassam N, Dardalhon V, Greenfield EA, Anderson AC, Sobel RA, Hafler DA, Strom TB, Kuchroo VK. TIM-4 Expressed on APCs Induces T Cell Expansion and Survival. The Journal Of Immunology 2008, 180: 4706-4713. PMID: 18354194, PMCID: PMC2948965, DOI: 10.4049/jimmunol.180.7.4706.Peer-Reviewed Original ResearchIncreased IL-23 secretion and altered chemokine production by dendritic cells upon CD46 activation in patients with multiple sclerosis
Vaknin-Dembinsky A, Murugaiyan G, Hafler DA, Astier AL, Weiner HL. Increased IL-23 secretion and altered chemokine production by dendritic cells upon CD46 activation in patients with multiple sclerosis. Journal Of Neuroimmunology 2008, 195: 140-145. PMID: 18403025, PMCID: PMC2702859, DOI: 10.1016/j.jneuroim.2008.01.002.Peer-Reviewed Original ResearchConceptsMultiple sclerosisCentral nervous systemChemokine productionHealthy donorsCD46 activationPathogenesis of MSIL-23 secretionChronic inflammatory diseasePotent proinflammatory cytokineRole of CD46CCL2 levelsDC activationIL-23Dendritic cellsIL-23p19Proinflammatory cytokinesCCL5 productionInflammatory diseasesNervous systemPatientsPotential roleSclerosisCytokinesActivationElevated amounts
2002
Inhibition of Human CD4+CD25+high Regulatory T Cell Function
Baecher-Allan C, Viglietta V, Hafler DA. Inhibition of Human CD4+CD25+high Regulatory T Cell Function. The Journal Of Immunology 2002, 169: 6210-6217. PMID: 12444126, DOI: 10.4049/jimmunol.169.11.6210.Peer-Reviewed Original ResearchMeSH KeywordsAntigensCD4-Positive T-LymphocytesCoculture TechniquesCytokinesGlucocorticoid-Induced TNFR-Related ProteinHumansImmune ToleranceInterleukin-10Lymphocyte ActivationModels, ImmunologicalReceptors, Interleukin-2Receptors, Nerve Growth FactorReceptors, Tumor Necrosis FactorSignal TransductionT-Lymphocyte SubsetsTransforming Growth Factor betaConceptsAutoreactive T cellsT cellsRegulatory cellsRegulatory T cell functionInflammatory immune responseT cell functionStrength of stimulationPathologic responseInhibition of humanMicrobial AgsResponder cellsImmune responseEffector functionsTCR stimuliTime pointsCell functionTCR signalsPotent regulatorDifferential activationExtent of suppressionStimulationActivationCellsSuppressionStimuli
2000
Multiple differences in gene expression in regulatory Vα24JαQ T cells from identical twins discordant for type I diabetes
Wilson S, Kent S, Horton H, Hill A, Bollyky P, Hafler D, Strominger J, Byrne M. Multiple differences in gene expression in regulatory Vα24JαQ T cells from identical twins discordant for type I diabetes. Proceedings Of The National Academy Of Sciences Of The United States Of America 2000, 97: 7411-7416. PMID: 10840051, PMCID: PMC16559, DOI: 10.1073/pnas.120161297.Peer-Reviewed Original ResearchConceptsT cell receptor activationCell receptor activationT cellsTranscriptional consequencesDNA microarraysGene expressionActivation of cellsMyeloid lineageClonesMurine autoimmune diseaseInvariant T (MAIT) cellsIL-4 secretionType 1 diabetesAnti-CD3 stimulationT cell clonesIdentical twinsMRNA levelsReceptor activationCellsCell clonesAutoimmune diseasesActivationSecreting clonesQualitative defectsMultiple differences
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
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
1987
Phosphorylation of CD4 and CD8 molecules following T cell triggering.
Blue ML, Hafler DA, Craig KA, Levine H, Schlossman SF. Phosphorylation of CD4 and CD8 molecules following T cell triggering. The Journal Of Immunology 1987, 139: 3949-54. PMID: 2961801, DOI: 10.4049/jimmunol.139.12.3949.Peer-Reviewed Original ResearchConceptsCell receptor complexCD3-T cell receptor complexT cell triggeringReceptor complexPhorbol myristate acetate (PMA) treatmentMolecular signaling mechanismsDifferent receptor pathwaysErythrocyte binding proteinCD8 moleculesSignaling mechanismBinding proteinPhosphorylationCell triggeringT cell activationCD2 pathwayT cellsReceptor pathwayMolecular modificationsT cell clonesCell activationCell clonesPathwayActivationCD4Cells