2012
An RNA Profile Identifies Two Subsets of Multiple Sclerosis Patients Differing in Disease Activity
Ottoboni L, Keenan BT, Tamayo P, Kuchroo M, Mesirov JP, Buckle GJ, Khoury SJ, Hafler DA, Weiner HL, De Jager PL. An RNA Profile Identifies Two Subsets of Multiple Sclerosis Patients Differing in Disease Activity. Science Translational Medicine 2012, 4: 153ra131. PMID: 23019656, PMCID: PMC3753678, DOI: 10.1126/scitranslmed.3004186.Peer-Reviewed Original ResearchConceptsGlatiramer acetateDisease activityPatient populationFirst-line disease-modifying treatmentsMultiple sclerosis (MS) patient populationPeripheral blood mononuclear cellsMS patient populationDisease-modifying treatmentsMultiple sclerosis patientsBlood mononuclear cellsSubset of subjectsDisease courseSclerosis patientsMS subjectsMononuclear cellsInflammatory eventsTreatment responseUntreated subjectsAdditional groupHigh expressionTranscriptional signatureSubjectsRNA profilesTreatmentTranscriptional profilesClass II MHC Self-Antigen Presentation in Human B and T Lymphocytes
Costantino CM, Spooner E, Ploegh HL, Hafler DA. Class II MHC Self-Antigen Presentation in Human B and T Lymphocytes. PLOS ONE 2012, 7: e29805. PMID: 22299025, PMCID: PMC3267721, DOI: 10.1371/journal.pone.0029805.Peer-Reviewed Original ResearchMeSH KeywordsAntigen PresentationAntigen-Antibody ComplexAutoantigensBlood DonorsB-LymphocytesCase-Control StudiesCD4-Positive T-LymphocytesCell Line, TransformedHistocompatibility Antigens Class IIHLA-DR AntigensHumansModels, BiologicalPeptidesProteomeSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationTandem Mass SpectrometryT-LymphocytesConceptsHLA-DRT cellsPeptide repertoireSelf-antigen presentationAntigen presenting cellsEndogenous peptide repertoireB cell repertoireT-cell processMHC-peptide complexesIL-2Presenting cellsAPC typesT lymphocytesCell repertoireNovel epitopesB cellsHuman BEndogenous epitopesClass II MHC-peptide complexesPeptide epitopesEpitopesCellsCell processesCell-specific proteomesVast majority
2010
Population structure and HLA DRB1*1501 in the response of subjects with multiple sclerosis to first-line treatments
Gross R, Healy BC, Cepok S, Chitnis T, Khoury SJ, Hemmer B, Weiner HL, Hafler DA, De Jager PL. Population structure and HLA DRB1*1501 in the response of subjects with multiple sclerosis to first-line treatments. Journal Of Neuroimmunology 2010, 233: 168-174. PMID: 21115201, DOI: 10.1016/j.jneuroim.2010.10.038.Peer-Reviewed Original ResearchA Randomized Controlled Double-Masked Trial of Albuterol Add-on Therapy in Patients With Multiple Sclerosis
Khoury SJ, Healy BC, Kivisäkk P, Viglietta V, Egorova S, Guttmann CR, Wedgwood JF, Hafler DA, Weiner HL, Buckle G, Cook S, Reddy S. A Randomized Controlled Double-Masked Trial of Albuterol Add-on Therapy in Patients With Multiple Sclerosis. JAMA Neurology 2010, 67: 1055-1061. PMID: 20837847, PMCID: PMC2954052, DOI: 10.1001/archneurol.2010.222.Peer-Reviewed Original ResearchMeSH KeywordsAdjuvants, ImmunologicAdrenergic beta-AgonistsAdultAlbuterolDouble-Blind MethodDrug Administration ScheduleDrug Therapy, CombinationFemaleGlatiramer AcetateHumansInterferon-gammaInterleukin-13Logistic ModelsMaleMiddle AgedMultiple Sclerosis, Relapsing-RemittingOdds RatioPeptidesPilot ProjectsTreatment OutcomeConceptsMultiple Sclerosis Functional CompositeRelapsing-remitting multiple sclerosisGlatiramer acetateMultiple sclerosisClinical trialsAlbuterol groupTime pointsOral doseIL-13Subcutaneous injectionHelper T-cell subtypes 1Double-masked clinical trialGlatiramer acetate treatmentImmunologic end pointsMasked clinical trialEffects of albuterolIL-12 expressionIL-13 productionStudy time pointsΒ2-adrenergic agonistAlbuterol treatmentAcetate therapyAdverse eventsFirst relapseImmunologic effects
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 activationVivoActivationSclerosisDiabetesCytokinesDisease
2007
Polyspecificity of T cell and B cell receptor recognition
Wucherpfennig KW, Allen PM, Celada F, Cohen IR, De Boer R, Garcia KC, Goldstein B, Greenspan R, Hafler D, Hodgkin P, Huseby ES, Krakauer DC, Nemazee D, Perelson AS, Pinilla C, Strong RK, Sercarz EE. Polyspecificity of T cell and B cell receptor recognition. Seminars In Immunology 2007, 19: 216-224. PMID: 17398114, PMCID: PMC2034306, DOI: 10.1016/j.smim.2007.02.012.Peer-Reviewed Original ResearchMultispecific responses by T cells expanded by endogenous self‐peptide/MHC complexes
Cai G, Hafler DA. Multispecific responses by T cells expanded by endogenous self‐peptide/MHC complexes. European Journal Of Immunology 2007, 37: 602-612. PMID: 17304631, DOI: 10.1002/eji.200636787.Peer-Reviewed Original ResearchConceptsT cellsHuman T cell responsesSelf-peptide/MHCSelf-peptide/MHC complexesEndogenous self-antigenPercentage of CD4Pathological immune responsesT cell responsesAntigen-presenting cellsT cell clonesCell cycleMultispecific responseMHC determinantsSelf antigensAntigen stimulationHealthy subjectsImmune responseAntigen reactivityCD4Cell responsesMultiple antigensCD28 costimulationMHC complexesCell clonesTCRbeta chain
2003
In vitro evidence that subcutaneous administration of glatiramer acetate induces hyporesponsive T cells in patients with multiple sclerosis
Schmied M, Duda PW, Krieger JI, Trollmo C, Hafler DA. In vitro evidence that subcutaneous administration of glatiramer acetate induces hyporesponsive T cells in patients with multiple sclerosis. Clinical Immunology 2003, 106: 163-174. PMID: 12706402, DOI: 10.1016/s1521-6616(03)00020-2.Peer-Reviewed Original ResearchConceptsGA-reactive T cellsT cell reactivityT cellsRR-MSMultiple sclerosisCell reactivityT cell peripheral toleranceTh2-type T cellsT cell frequenciesMonths of treatmentT cell hyporesponsivenessT cell populationsT cell nonresponsivenessT cell anergyHyporesponsive T cellsMechanism of actionMyelin antigensGlatiramer acetatePeripheral toleranceCell hyporesponsivenessPeripheral bloodClonal eliminationIL-2Cell anergySubcutaneous administration
2002
Degeneracy, as opposed to specificity, in immunotherapy
Hafler DA. Degeneracy, as opposed to specificity, in immunotherapy. Journal Of Clinical Investigation 2002, 109: 581-584. PMID: 11877465, PMCID: PMC150898, DOI: 10.1172/jci15198.Peer-Reviewed Original Research
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
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 adultsGlatiramer acetate (Copaxone®) induces degenerate, Th2-polarized immune responses in patients with multiple sclerosis
Duda PW, Schmied MC, Cook SL, Krieger JI, Hafler DA. Glatiramer acetate (Copaxone®) induces degenerate, Th2-polarized immune responses in patients with multiple sclerosis. Journal Of Clinical Investigation 2000, 105: 967-976. PMID: 10749576, PMCID: PMC377485, DOI: 10.1172/jci8970.Peer-Reviewed Original ResearchMeSH KeywordsAdultAmino Acid SequenceCell DivisionCells, CulturedCross ReactionsEpitopes, T-LymphocyteFemaleGlatiramer AcetateHumansImmunodominant EpitopesImmunosuppressive AgentsInterferon-gammaInterleukin-5Leukocytes, MononuclearLigandsMaleMiddle AgedMolecular Sequence DataMultiple SclerosisMyelin Basic ProteinMyelin SheathPeptide FragmentsPeptidesTetanus ToxoidTh2 CellsConceptsT cell responsesMultiple sclerosisGlatiramer acetateT cellsAntigen-specific T cell responsesTh2-polarized immune responseCross-reactive T cellsAlters immune functionHuman autoimmune diseasesAcetate inducesCross-reactive responsesT cell receptorT cell linesImmune deviationMost patientsTh2 typeAutoimmune disordersTh2 cytokinesAutoimmune diseasesDaily injectionsIL-13IL-5Th2 cellsHealthy subjectsImmune response
1997
Autoantigen recognition by human CD8 T cell clones: enhanced agonist response induced by altered peptide ligands.
Dressel A, Chin JL, Sette A, Gausling R, Höllsberg P, Hafler DA. Autoantigen recognition by human CD8 T cell clones: enhanced agonist response induced by altered peptide ligands. The Journal Of Immunology 1997, 159: 4943-51. PMID: 9366420, DOI: 10.4049/jimmunol.159.10.4943.Peer-Reviewed Original ResearchConceptsT cell clonesCD8 T cell clonesTCR contact residuesHLA-A2Superagonist peptideCell clonesSelf-AgHLA-A2.1 binding motifsHuman autoimmune diseasesAltered peptide ligandMHC class IMyelin peptidesHLA-A2.1Autoimmune diseasesAutoantigen recognitionSecrete cytokinesEffector responsesLow MHCImmune responseAgonist responsesImmunodominant epitopesAgonist peptideAg recognitionContact residuesCytotoxic response
1995
A Review of T‐Cell Receptors in Multiple Sclerosis: Clonal Expansion and Persistence of Human T‐Cells Specific for an Immunodominant Myelin Basic Protein Peptidea
WUCHERPFENNIG K, HAFLER D. A Review of T‐Cell Receptors in Multiple Sclerosis: Clonal Expansion and Persistence of Human T‐Cells Specific for an Immunodominant Myelin Basic Protein Peptidea. Annals Of The New York Academy Of Sciences 1995, 756: 241-258. PMID: 7544075, DOI: 10.1111/j.1749-6632.1995.tb44522.x.Peer-Reviewed Original ResearchConceptsImmunodominant MBP peptidesT cell clonesMBP peptidesImmune responseNormal subjectsMBP-specific T cell clonesIndividual multiple sclerosis patientsTCR beta-chain usageMBP-specific T cellsTCR V beta chainsDR2 haplotypeSpecific T cell clonesBeta-chain usageT cell responsesAntigen-specific therapyMultiple sclerosis patientsSpecific T cellsDifferent T-cell linesT Cells SpecificIdentical TCR sequencesT cell receptorT cell linesAlpha-chain rearrangementMyelin antigensMS patients