2010
FOXP3+ regulatory T cells in the human immune system
Sakaguchi S, Miyara M, Costantino CM, Hafler DA. FOXP3+ regulatory T cells in the human immune system. Nature Reviews Immunology 2010, 10: 490-500. PMID: 20559327, DOI: 10.1038/nri2785.Peer-Reviewed Original ResearchConceptsForkhead box P3Human Treg cellsTreg cellsT cellsKey PointsRegulatory T (TReg) cellsTreg cell-based therapyAntitumour immune responseRegulatory T cellsExpression of CD45RAPromising therapeutic perspectiveHuman immune systemAutoimmune pathogenesisDominant toleranceBox P3HLA-DRCell-based therapiesAutoimmune diseasesImmune homeostasisImmune responseImmune diseasesSuppressive functionPotent mediatorCancer growthImmune systemTherapeutic perspectives
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 1Automated high-dimensional flow cytometric data analysis
Pyne S, Hu X, Wang K, Rossin E, Lin TI, Maier LM, Baecher-Allan C, McLachlan GJ, Tamayo P, Hafler DA, De Jager PL, Mesirov JP. Automated high-dimensional flow cytometric data analysis. Proceedings Of The National Academy Of Sciences Of The United States Of America 2009, 106: 8519-8524. PMID: 19443687, PMCID: PMC2682540, DOI: 10.1073/pnas.0903028106.Peer-Reviewed Original Research
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
PD-1 ligands, negative regulators for activation of naïve, memory, and recently activated human CD4+ T cells
Cai G, Karni A, Oliveira EM, Weiner HL, Hafler DA, Freeman GJ. PD-1 ligands, negative regulators for activation of naïve, memory, and recently activated human CD4+ T cells. Cellular Immunology 2004, 230: 89-98. PMID: 15598424, DOI: 10.1016/j.cellimm.2004.09.004.Peer-Reviewed Original ResearchConceptsPD-1 ligand blockadeT cellsPD-L1Myelin basic proteinPD-L2Human CD4Ex vivo dendritic cellsVivo dendritic cellsPD-1 ligandsPD-1 pathwayPrimary responseActivation of naïveNaive T cellsPD-1Dendritic cellsCytokine productionNormal donorsIFN-gammaSecondary responseCD4BlockadeHigh expressionNegative regulatory pathwaysInduced activationBasic protein
2001
Immunological Memory: Contribution of Memory B Cells Expressing Costimulatory Molecules in the Resting State
Bar-Or A, Oliveira E, Anderson D, Krieger J, Duddy M, O’Connor K, Hafler D. Immunological Memory: Contribution of Memory B Cells Expressing Costimulatory Molecules in the Resting State. The Journal Of Immunology 2001, 167: 5669-5677. PMID: 11698439, DOI: 10.4049/jimmunol.167.10.5669.Peer-Reviewed Original ResearchConceptsMemory B cellsB cell subsetsB cellsCell subsetsCostimulatory moleculesB cell memory compartmentMemory responsesImmune memory responseDistinct B cell subsetsHuman memory B cellsHumoral memory responsesHuman B cellsTh cellsImmunological memoryT cellsMemory compartmentPoor APCsMurine systemNovel subpopulationRelative paucityCells
2000
Human and Murine CD4 T Cell Reactivity to a Complex Antigen: Recognition of the Synthetic Random Polypeptide Glatiramer Acetate
Duda P, Krieger J, Schmied M, Balentine C, Hafler D. Human and Murine CD4 T Cell Reactivity to a Complex Antigen: Recognition of the Synthetic Random Polypeptide Glatiramer Acetate. The Journal Of Immunology 2000, 165: 7300-7307. PMID: 11120865, DOI: 10.4049/jimmunol.165.12.7300.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnimalsCD4-Positive T-LymphocytesCell Line, TransformedCell SeparationClone CellsDose-Response Relationship, ImmunologicFemaleGlatiramer AcetateHematopoietic Stem CellsHLA-DR AntigensHumansImmunizationImmunologic MemoryImmunomagnetic SeparationInfant, NewbornLeukocytes, MononuclearLymphocyte ActivationLymphocyte CountMiceMice, Inbred BALB CMice, Inbred C57BLMultiple Sclerosis, Relapsing-RemittingPeptidesSpleenTh1 CellsTh2 CellsConceptsT cell populationsHLA class II DRGlatiramer acetateT cell proliferationClass II DRII DRT cellsCD4 T cell reactivityGA-reactive T cellsHuman T cell proliferative responsesT cell precursor frequencyCell populationsSpecific human T cell clonesT cell proliferative responsesHuman T cell clonesMemory T cellsT cell reactivityMultiple sclerosis patientsRecent clinical findingsCell precursor frequencyCell proliferative responsesCell proliferationT cell clonesDose-dependent proliferationHealthy human adults
1996
Induction of anergy in CD8 T cells by B cell presentation of antigen.
Höllsberg P, Batra V, Dressel A, Hafler DA. Induction of anergy in CD8 T cells by B cell presentation of antigen. The Journal Of Immunology 1996, 157: 5269-76. PMID: 8955172, DOI: 10.4049/jimmunol.157.12.5269.Peer-Reviewed Original ResearchMeSH KeywordsAntigen-Presenting CellsB7-1 AntigenB-LymphocytesCD40 LigandCD8-Positive T-LymphocytesCell LineClonal AnergyCytotoxicity, ImmunologicGene ExpressionHumansImmunologic MemoryInterleukin-2Lymphocyte ActivationMembrane GlycoproteinsReceptors, Antigen, T-CellSignal TransductionTranscription, GeneticConceptsCD8 T cellsT cell clonesInduction of anergyT cellsB cellsMononuclear cellsB7-1Cell clonesAg stimulationAnergic CD8 T cellsPeptide-pulsed B cellsPeptide-pulsed target cellsCD4 T-cell clonesCD8 T cell clonesSecondary Ag challengeExogenous IL-2B7-2 costimulationB cell presentationT cell anergyIL-2 secretionNormal proliferative responseIL-2 mRNA transcriptionT cell stimulationEarly tyrosine phosphorylationAdequate costimulation
1993
Increased Protein Kinase C Activity in Human Memory T Cells
Höllsberg P, Melinek J, Benjamin D, Hafler D. Increased Protein Kinase C Activity in Human Memory T Cells. Cellular Immunology 1993, 149: 170-179. PMID: 8099849, DOI: 10.1006/cimm.1993.1145.Peer-Reviewed Original ResearchConceptsCD26 T cellsMemory T cellsT cell populationsMemory T cell populationsT cellsT cell receptorProliferative responseCell populationsPeripheral blood T cellsHuman memory T cellsMemory T cell functionCD26 antigen expressionT-cell surface antigensPKC activityBlood T cellsT cell functionTCR/CD3 pathwayDifferentiated T cellsCell surface antigensCD26 mAbCD26- subsetAntigen challengeAntigen expressionCD26 antigenCD26 expression
1989
Mechanisms of immune memory. T cell activation and CD3 phosphorylation correlates with Ta1 (CDw26) expression.
Hafler DA, Chofflon M, Benjamin D, Dang NH, Breitmeyer J. Mechanisms of immune memory. T cell activation and CD3 phosphorylation correlates with Ta1 (CDw26) expression. The Journal Of Immunology 1989, 142: 2590-6. PMID: 2564857, DOI: 10.4049/jimmunol.142.8.2590.Peer-Reviewed Original ResearchMeSH KeywordsAntigens, Differentiation, T-LymphocyteAntigens, SurfaceCalciumCD2 AntigensCD3 ComplexHumansImmunologic MemoryLymphocyte ActivationPhosphorylationProtein Kinase CReceptors, Antigen, T-CellReceptors, ImmunologicTetradecanoylphorbol AcetateT-LymphocytesTumor Necrosis Factor Receptor Superfamily, Member 7ConceptsT cell immune memoryT cell activationImmune memoryT cellsCell activationPeripheral blood T cellsTA1 expressionBlood T cellsIntracellular calcium levelsTA1 cellsCD3/TCRT cell linesCalcium ionophore ionomycinAg challengeIL-2T lymphocytesMitogenic antibodiesCalcium levelsPhorbol ester PMAIonophore ionomycinCD2 moleculeGrowth factorActivation requirementsInvariant chainCD2 stimulation
1986
Antigen reactive memory T cells are defined by Ta1.
Hafler DA, Fox DA, Benjamin D, Weiner HL. Antigen reactive memory T cells are defined by Ta1. The Journal Of Immunology 1986, 137: 414-8. PMID: 3013990, DOI: 10.4049/jimmunol.137.2.414.Peer-Reviewed Original ResearchConceptsT cellsReactive memory T cellsPeripheral blood T cellsAutologous mixed lymphocyte responseHuman peripheral blood T cellsMemory T cellsMixed lymphocyte responseBlood T cellsPresence of PWMT cell clonesEnhanced proliferative responseTA1 cellsActivated T cellsNormal human subjectsT cell linesT memory cellsSuppressor cellsLymphocyte responsesAnamnestic responseMitogen PHAPeripheral bloodLymphocyte populationsIL-2Tetanus toxoidT lymphocytes