2020
Transcriptomic and clonal characterization of T cells in the human central nervous system
Pappalardo JL, Zhang L, Pecsok MK, Perlman K, Zografou C, Raddassi K, Abulaban A, Krishnaswamy S, Antel J, van Dijk D, Hafler DA. Transcriptomic and clonal characterization of T cells in the human central nervous system. Science Immunology 2020, 5 PMID: 32948672, PMCID: PMC8567322, DOI: 10.1126/sciimmunol.abb8786.Peer-Reviewed Original ResearchConceptsCentral nervous systemCSF of patientsT cellsCerebrospinal fluidMultiple sclerosisImmune surveillanceNervous systemCSF T cellsHuman central nervous systemHealthy human donorsT cell activationImmune dysfunctionNeuroinflammatory diseasesCytotoxic capacityHealthy donorsHealthy individualsCell activationHuman donorsTissue adaptationPatientsClonal characterizationExpression of genesCellsSurveillanceFurther characterization
2014
Decreased RORC-dependent silencing of prostaglandin receptor EP2 induces autoimmune Th17 cells
Kofler DM, Marson A, Dominguez-Villar M, Xiao S, Kuchroo VK, Hafler DA. Decreased RORC-dependent silencing of prostaglandin receptor EP2 induces autoimmune Th17 cells. Journal Of Clinical Investigation 2014, 124: 2513-2522. PMID: 24812667, PMCID: PMC4089462, DOI: 10.1172/jci72973.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnimalsAutoimmunityCase-Control StudiesDinoprostoneDown-RegulationFemaleGene Knockdown TechniquesGene SilencingHumansMaleMiceMice, Inbred C57BLMice, KnockoutMiddle AgedModels, ImmunologicalMultiple SclerosisNuclear Receptor Subfamily 1, Group F, Member 3PhenotypePromoter Regions, GeneticReceptors, Prostaglandin E, EP2 SubtypeSignal TransductionTh17 CellsConceptsTh17 cell phenotypeProstaglandin receptor EP2Receptor EP2Healthy individualsOverexpression of EP2Transcription factor RORCT cell subsetsEffects of PGE2Cell phenotypeExpression of IFNInflammatory gene transcriptionPGE2-dependent pathwayTh17 cellsWT miceAutoimmune diseasesCell subsetsHealthy subjectsEP2 expressionGM-CSFEP2RORCCD4Cell typesCellsGene transcriptionPolarization of the Effects of Autoimmune and Neurodegenerative Risk Alleles in Leukocytes
Raj T, Rothamel K, Mostafavi S, Ye C, Lee MN, Replogle JM, Feng T, Lee M, Asinovski N, Frohlich I, Imboywa S, Von Korff A, Okada Y, Patsopoulos NA, Davis S, McCabe C, Paik HI, Srivastava GP, Raychaudhuri S, Hafler DA, Koller D, Regev A, Hacohen N, Mathis D, Benoist C, Stranger BE, De Jager PL. Polarization of the Effects of Autoimmune and Neurodegenerative Risk Alleles in Leukocytes. Science 2014, 344: 519-523. PMID: 24786080, PMCID: PMC4910825, DOI: 10.1126/science.1249547.Peer-Reviewed Original ResearchMeSH KeywordsAdaptive ImmunityAllelesAlzheimer DiseaseAutoimmune DiseasesAutoimmunityCD4-Positive T-LymphocytesEthnicityGenetic Predisposition to DiseaseGenome-Wide Association StudyHumansImmunity, InnateMonocytesMultiple SclerosisNeurodegenerative DiseasesParkinson DiseasePolymorphism, Single NucleotideQuantitative Trait LociRheumatic FeverTranscriptomeConceptsSpecific immune cell typesHuman immune functionImmune cell typesMulti-ethnic cohortCell-autonomous effectsAutoimmune diseasesT cellsImmune functionParkinson's diseaseHealthy individualsInnate immunityRisk allelesDiseaseExpression quantitative trait loci (eQTL) studiesQuantitative trait loci studiesSusceptibility allelesPutative functional assignmentsCausal regulatory variantsDisease-associated lociDisease susceptibility variantsCell typesSusceptibility variantsTrans-eQTLsFunctional assignmentRegulatory variants
2013
Regulatory T Cells in MS
Gawlik B, Hafler D. Regulatory T Cells in MS. 2013, 27-47. DOI: 10.1007/978-1-4614-7953-6_2.Peer-Reviewed Original ResearchRegulatory T cellsAutoreactive T cellsT cellsCentral nervous systemMultiple sclerosisTreg cellsHealthy individualsPathogenic autoreactive T cellsMultifocal demyelinating diseaseDemyelinating diseaseCNS lesionsMS patientsAutoimmune responseAutoimmune diseasesPeripheral bloodImmune homeostasisImmune responseNervous systemSusceptible individualsProgressive neurodegenerationDiseaseKey regulatorCellsIndividualsHigher numberSpecific peripheral B cell tolerance defects in patients with multiple sclerosis
Kinnunen T, Chamberlain N, Morbach H, Cantaert T, Lynch M, Preston-Hurlburt P, Herold KC, Hafler DA, O’Connor K, Meffre E. Specific peripheral B cell tolerance defects in patients with multiple sclerosis. Journal Of Clinical Investigation 2013, 123: 2737-2741. PMID: 23676463, PMCID: PMC3668812, DOI: 10.1172/jci68775.Peer-Reviewed Original ResearchConceptsB cell tolerance checkpointsB cell tolerance defectsMultiple sclerosisRheumatoid arthritisTolerance checkpointsB cellsPeripheral B cell tolerance checkpointsTolerance defectsAutoreactive B cell clonesMature naive B cellsType 1 diabetesAutoreactive B cellsB cell toleranceCentral nervous systemNaive B cellsB cell clonesB cell selectionEarly B cell developmentIPEX patientsMost patientsTreg functionHomeostatic proliferationAutoimmune diseasesPatientsHealthy individuals
2008
Multiple Sclerosis and Regulatory T Cells
Costantino CM, Baecher-Allan C, Hafler DA. Multiple Sclerosis and Regulatory T Cells. Journal Of Clinical Immunology 2008, 28: 697-706. PMID: 18763026, PMCID: PMC2752287, DOI: 10.1007/s10875-008-9236-x.Peer-Reviewed Original ResearchConceptsRegulatory T cellsCentral nervous systemAutoreactive T cellsT cellsAntigen-specific Treg cellsAutoreactive effector T cellsAutoimmune tissue damageFrequency of TregsOrgan-specific autoimmunityEffector T cellsReactive T cellsBlood-brain barrierPathology of MSIntroductionMultiple sclerosisTreg cellsMS patientsPeripheral toleranceChronic inflammationMultiple sclerosisImmune disordersNew therapiesHealthy individualsNervous systemTissue damageDisease modelsMultiple Sclerosis and Regulatory T Cells
Hutton J, Baecher-Allan C, Hafler D. Multiple Sclerosis and Regulatory T Cells. 2008, 265-277. DOI: 10.1007/978-0-387-77909-6_13.Peer-Reviewed Original ResearchRegulatory T cellsAutoreactive T cellsMultiple sclerosisT cellsAntigen-specific Treg cellsImmunopathology of MSCentral nervous system white matterAutoimmune tissue damageFrequency of TregsNervous system white matterOrgan-specific autoimmunityEffector T cellsReactive T cellsImmunosuppressive therapyTreg cellsAutoimmune processMS patientsPeripheral toleranceSpecific autoimmunityImmune disordersNew therapiesHealthy individualsB cellsWhite matterTissue damage
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
2006
Human regulatory T cells and their role in autoimmune disease
Baecher‐Allan C, Hafler DA. Human regulatory T cells and their role in autoimmune disease. Immunological Reviews 2006, 212: 203-216. PMID: 16903916, DOI: 10.1111/j.0105-2896.2006.00417.x.Peer-Reviewed Original ResearchConceptsRegulatory T cellsAutoimmune diseasesSelf-reactive cellsT cellsHealthy individualsHuman natural regulatory T cellsSelf-reactive T cellsNatural regulatory T cellsHuman regulatory T cellsPathologic T cellsReduced inhibitory functionSpecific autoimmune diseasesT cell populationsMature T cellsT cell maturationNon-responsive stateRegulatory cellsNatural CD4Peripheral circulationImmune systemPatientsDiseaseInhibitory functionNumber of mechanismsCells
2004
Cross-Reactive TCR Responses to Self Antigens Presented by Different MHC Class II Molecules
Mycko MP, Waldner H, Anderson DE, Bourcier KD, Wucherpfennig KW, Kuchroo VK, Hafler DA. Cross-Reactive TCR Responses to Self Antigens Presented by Different MHC Class II Molecules. The Journal Of Immunology 2004, 173: 1689-1698. PMID: 15265898, DOI: 10.4049/jimmunol.173.3.1689.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAmino Acid SubstitutionAnimalsAntigen PresentationAutoantigensCD4 AntigensCross ReactionsEncephalomyelitis, Autoimmune, ExperimentalHLA-DR alpha-ChainsHLA-DR AntigensHLA-DRB1 ChainsHumansHybridomasL CellsLymphocyte ActivationMembrane ProteinsMiceMolecular Sequence DataMultiple Sclerosis, Relapsing-RemittingMyelin Basic ProteinPeptide FragmentsPhosphorylationProtein Processing, Post-TranslationalReceptors, Antigen, T-CellReceptors, Antigen, T-Cell, alpha-betaT-Lymphocyte SubsetsTransfectionConceptsAutoreactive T cellsMHC class II moleculesClass II moleculesT cellsSpontaneous experimental autoimmune encephalomyelitisRelapsing-remitting multiple sclerosisDifferent MHC class II moleculesExperimental autoimmune encephalomyelitisAltered peptide ligandTh cell clonesT cell hybridomasMyelin basic proteinAutoimmune encephalomyelitisMultiple sclerosisSelf antigensCD4 coreceptorRestriction elementsHealthy individualsDiseased patientsHuman TCRPatientsTCR responsesCell clonesCell hybridomasPeptide ligandsRegulatory T cells in type 1 diabetes mellitus
Viglietta V, Baecher-Allan C, Hafler A, Gottlieb P. Regulatory T cells in type 1 diabetes mellitus. Current Opinion In Endocrinology Diabetes And Obesity 2004, 11: 85-90. DOI: 10.1097/01.med.0000129641.34639.2e.Peer-Reviewed Original ResearchRegulatory T cellsType 1 diabetes mellitusType 1 diabetesT cellsDiabetes mellitusT lymphocytesHuman type 1 diabetesΒ-cell antigensNK T cellsTh2-type responseMost healthy subjectsReactive T lymphocytesOnset of diseaseInsulin-producing β-cellsAutoimmune conditionsPeripheral toleranceRegulatory cellsPeripheral deletionSpecific immunizationTh2 cytokinesAutoimmune diseasesHealthy subjectsAntigen reactivityHealthy individualsAnergy induction
2001
In vitro evidence that immunuaffinity-purified MOG contains immunogenic quantities of contaminating mouse IgG; techniques for producing Ig-free MOG
Ohashi T, Yukitake M, Slavin A, Krieger J, Hafler D. In vitro evidence that immunuaffinity-purified MOG contains immunogenic quantities of contaminating mouse IgG; techniques for producing Ig-free MOG. Journal Of Neuroimmunology 2001, 118: 194-202. PMID: 11498254, DOI: 10.1016/s0165-5728(01)00321-6.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, MonoclonalAntibody SpecificityBlotting, WesternCell LineClone CellsCytokinesElectrophoresis, Polyacrylamide GelEnzyme-Linked Immunosorbent AssayFlow CytometryHumansImmunoglobulin GImmunophenotypingImmunosorbent TechniquesLymphocyte ActivationMiceMultiple SclerosisMyelin ProteinsMyelin SheathMyelin-Associated GlycoproteinMyelin-Oligodendrocyte GlycoproteinSensitivity and SpecificityT-Lymphocytes