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 sheath
2001
Uncoupling p70s6 Kinase Activation and Proliferation: Rapamycin-Resistant Proliferation of Human CD8+ T Lymphocytes
Slavik J, Lim D, Burakoff S, Hafler D. Uncoupling p70s6 Kinase Activation and Proliferation: Rapamycin-Resistant Proliferation of Human CD8+ T Lymphocytes. The Journal Of Immunology 2001, 166: 3201-3209. PMID: 11207273, DOI: 10.4049/jimmunol.166.5.3201.Peer-Reviewed Original ResearchMeSH KeywordsAntibodies, MonoclonalCD2 AntigensCD28 AntigensCD3 ComplexCD8 AntigensCD8-Positive T-LymphocytesCell Line, TransformedClone CellsDose-Response Relationship, DrugDose-Response Relationship, ImmunologicDrug ResistanceEnzyme ActivationEpitopes, T-LymphocyteHLA-A AntigensHumansImmunosuppressive AgentsInterleukin-2Lymphocyte ActivationMajor Histocompatibility ComplexModels, ImmunologicalRibosomal Protein S6 KinasesSirolimusT-Lymphocyte SubsetsConceptsT cell clonesT cellsEffect of rapamycinHuman T cell responsesPeripheral blood T cellsCell clonesHeterogeneous proliferative responsesT cell responsesBlood T cellsT cell proliferationSpecific costimulatory signalsGraft infiltrationResistant proliferationInhibition of AgGraft rejectionHuman CD8IL-2RT lymphocytesProliferative responseCostimulatory signalsCell responsesPresence of rapamycinCell proliferationRapamycinProliferation
2000
Examination of CD8+ T Cell Function in Humans Using MHC Class I Tetramers: Similar Cytotoxicity but Variable Proliferation and Cytokine Production Among Different Clonal CD8+ T Cells Specific to a Single Viral Epitope
Lim D, Bourcier K, Freeman G, Hafler D. Examination of CD8+ T Cell Function in Humans Using MHC Class I Tetramers: Similar Cytotoxicity but Variable Proliferation and Cytokine Production Among Different Clonal CD8+ T Cells Specific to a Single Viral Epitope. The Journal Of Immunology 2000, 165: 6214-6220. PMID: 11086055, DOI: 10.4049/jimmunol.165.11.6214.Peer-Reviewed Original ResearchMeSH KeywordsAntigens, ViralB7-1 AntigenCD58 AntigensCD8-Positive T-LymphocytesCell Line, TransformedClone CellsCytokinesCytotoxicity, ImmunologicDose-Response Relationship, ImmunologicEpitopes, T-LymphocyteGene Products, taxGenes, T-Cell Receptor betaHLA-A2 AntigenHuman T-lymphotropic virus 1HumansLymphocyte ActivationPeptide FragmentsStaining and LabelingConceptsT cell clonesCytokine secretionT cellsEffector functionsCell clonesCostimulatory moleculesViral epitopesHuman T-cell lymphotrophic virusDifferent T cell clonesImmunodominant viral epitopesCytotoxic effector functionClonal originT cell functionSingle viral epitopeMHC class IDifferent clonal originCD2-LFA-3 interactionInduction of proliferationClonal CD8Cytokine productionPeripheral bloodCTL populationsIL-2Lymphotrophic virusProliferative response
1999
T cell Autoreactivity to Proinsulin Epitopes in Diabetic Patients and Healthy Subjects
Semana G, Gausling R, Jackson R, Hafler D. T cell Autoreactivity to Proinsulin Epitopes in Diabetic Patients and Healthy Subjects. Journal Of Autoimmunity 1999, 12: 259-267. PMID: 10330297, DOI: 10.1006/jaut.1999.0282.Peer-Reviewed Original ResearchConceptsProinsulin epitopesImmune responseProliferative responseReactive cellsPeptide-specific T cellsShort-term cell linesSpecific T cell clonesHigher 3H-thymidine incorporationPredominant immune responseT cell autoreactivitySpecific T cellsLow proliferative responseTissue-specific autoantigensT cell clonesCD3-CD28IDDM groupIDDM patientsDiabetic patientsControl subjectsDisease onsetPotential autoantigensStrong TCR signalsC-peptideT cellsHealthy subjects
1995
T cell recognition of immunodominant and cryptic proteolipid protein epitopes in humans.
Markovic-Plese S, Fukaura H, Zhang J, al-Sabbagh A, Southwood S, Sette A, Kuchroo VK, Hafler DA. T cell recognition of immunodominant and cryptic proteolipid protein epitopes in humans. The Journal Of Immunology 1995, 155: 982-92. PMID: 7541828, DOI: 10.4049/jimmunol.155.2.982.Peer-Reviewed Original ResearchConceptsMultiple sclerosisT cellsPLP epitopesMHC class II isotypesPLP-reactive T cellsShort-term T cell linesCryptic epitopesProteolipid proteinT cell responsesT cell recognitionClass II isotypesT cell linesIndividual synthetic peptidesControl subjectsMHC restrictionImmune responseDR2 moleculesProliferative responseImmunodominant epitopesPLP peptidesProtein AgCell responsesCentral nervous system myelin proteinsMyelin proteinsEpitopesInhibition of T cell responses by activated human CD8+ T cells is mediated by interferon-gamma and is defective in chronic progressive multiple sclerosis.
Balashov KE, Khoury SJ, Hafler DA, Weiner HL. Inhibition of T cell responses by activated human CD8+ T cells is mediated by interferon-gamma and is defective in chronic progressive multiple sclerosis. Journal Of Clinical Investigation 1995, 95: 2711-2719. PMID: 7769110, PMCID: PMC295954, DOI: 10.1172/jci117973.Peer-Reviewed Original ResearchConceptsAutologous mixed lymphocyte reactionProgressive multiple sclerosisChronic progressive multiple sclerosisInduction of CD8Tact cellsMultiple sclerosisT cellsHuman CD8Suppressive propertiesAutologous T cellsRelapsing-remitting MST cell responsesHuman autoimmune diseasesMixed lymphocyte reactionGM-CSF antibodySuppressive CD8Autologous antigenLymphocyte reactionAutoimmune diseasesBeta antibodyGamma antibodyCD8Proliferative responseSpecific cytokinesNormal controls
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
1992
Early signaling defects in human T cells anergized by T cell presentation of autoantigen.
LaSalle JM, Tolentino PJ, Freeman GJ, Nadler LM, Hafler DA. Early signaling defects in human T cells anergized by T cell presentation of autoantigen. Journal Of Experimental Medicine 1992, 176: 177-186. PMID: 1535366, PMCID: PMC2119294, DOI: 10.1084/jem.176.1.177.Peer-Reviewed Original ResearchConceptsAntigen-presenting cellsT cell presentationPhorbol myristate acetateT cellsAnergized T cellsCell presentationL cell transfectantsProliferative responseAlpha CD3B cellsMajor histocompatibility complex classHuman T cell clonesPrimary proliferative responsesAllogeneic B cellsT cell anergyT cell clonesHistocompatibility complex classInduction of anergyInterferon-gamma mRNANormal proliferative responseT cell activationCD2 monoclonal antibodiesT cell receptorCell transfectantsPresence of costimulation
1987
Secondary immune amplification following live poliovirus immunization in humans
Hafler D, Fox D, Benjamin D, Blue M, Weiner H. Secondary immune amplification following live poliovirus immunization in humans. Clinical Immunology 1987, 44: 321-328. PMID: 3040309, DOI: 10.1016/0090-1229(87)90076-6.Peer-Reviewed Original ResearchConceptsAutologous mixed lymphocyte responseRecall antigensAnamnestic responseImmune amplificationImmune responseHuman T cell responsesT cell proliferative responsesLive virus infectionT cell responsesMixed lymphocyte responseSecondary immune responsePoliovirus immunizationLymphocyte responsesVirus infectionProliferative responsePoliovirus infectionAntigenPotential mechanismsAmplification pathwayConsistent changesImmunizationInfectionPoliovirusSubjectsResponse
1986
Cell-mediated immunity to myelin-associated glycoprotein, proteolipid protein, and myelin basic protein in multiple sclerosis
Johnson D, Hafler D, Fallis R, Lees M, Brady R, Quarles R, Weiner H. Cell-mediated immunity to myelin-associated glycoprotein, proteolipid protein, and myelin basic protein in multiple sclerosis. Journal Of Neuroimmunology 1986, 13: 99-108. PMID: 2428837, DOI: 10.1016/0165-5728(86)90053-6.Peer-Reviewed Original ResearchConceptsActive MS patientsMyelin basic proteinPeripheral blood lymphocytesMyelin antigensMS patientsControl subjectsActive MSMultiple sclerosisNeurologic diseaseProteolipid proteinStable multiple sclerosis patientsMean proliferative responseCell-mediated immunityMultiple sclerosis patientsBasic proteinStable MSOND groupSclerosis patientsT8 subsetsBlood lymphocytesLymphocyte stimulationProliferative responseProportion of individualsPatientsAntigen