2012
Class 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
2011
Increased Frequencies of Myelin Oligodendrocyte Glycoprotein/MHC Class II-Binding CD4 Cells in Patients with Multiple Sclerosis
Raddassi K, Kent SC, Yang J, Bourcier K, Bradshaw EM, Seyfert-Margolis V, Nepom GT, Kwok WW, Hafler DA. Increased Frequencies of Myelin Oligodendrocyte Glycoprotein/MHC Class II-Binding CD4 Cells in Patients with Multiple Sclerosis. The Journal Of Immunology 2011, 187: 1039-1046. PMID: 21653833, PMCID: PMC3131477, DOI: 10.4049/jimmunol.1001543.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAmino Acid SubstitutionCD4 Lymphocyte CountCD4-Positive T-LymphocytesCell CommunicationCell Line, TransformedCells, CulturedEpitopes, T-LymphocyteFemaleGene FrequencyHLA-DR AntigensHLA-DRB1 ChainsHumansImmunophenotypingMaleMiddle AgedMultiple SclerosisMyelin-Associated GlycoproteinMyelin-Oligodendrocyte GlycoproteinPeptide FragmentsProtein BindingProtein MultimerizationConceptsMyelin-reactive T cellsMultiple sclerosisT cell clonesT cellsHealthy controlsMOG-reactive T cellsAutoantigen-specific T cellsCell clonesStimulation of PMBCsClass II tetramersPathogenic immune cellsReactive T cellsSpecific T cellsMyelin oligodendrocyte glycoproteinHLA class IIBlood of subjectsT-cell cloning techniqueMOG peptidesShort-term cultureCD4 cellsMS subjectsAutoimmune diseasesPeripheral bloodControl subjectsOligodendrocyte glycoprotein
2008
Lysosomal Cysteine and Aspartic Proteases Are Heterogeneously Expressed and Act Redundantly to Initiate Human Invariant Chain Degradation
Costantino CM, Hang HC, Kent SC, Hafler DA, Ploegh HL. Lysosomal Cysteine and Aspartic Proteases Are Heterogeneously Expressed and Act Redundantly to Initiate Human Invariant Chain Degradation. The Journal Of Immunology 2008, 180: 2876-2885. PMID: 18292509, DOI: 10.4049/jimmunol.180.5.2876.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAntigen PresentationAntigens, Differentiation, B-LymphocyteAspartic Acid EndopeptidasesB-LymphocytesCD4-Positive T-LymphocytesCell Line, TransformedClone CellsCoculture TechniquesCysteine EndopeptidasesGene Expression Regulation, EnzymologicGenetic HeterogeneityHistocompatibility Antigens Class IIHLA-D AntigensHumansLysosomesMolecular Sequence DataProtease InhibitorsProtein Processing, Post-TranslationalConceptsAsparagine endopeptidasePeptide AgClass II MHC productsMyelin basic protein epitopeClass II MHCClass II invariant chainInvariant chain cleavageInvariant chain degradationPresentation of AgInvariant chain processingAEP inhibitionB cell linesDistinct allelic variantsII MHCMHC productsDifferent EBVMHC dimersAllelic variantsHuman AgInvariant chainAltered regulation
2002
Strength of prior stimuli determines the magnitude of secondary responsiveness in CD8+ T cells
Lim DG, Höllsberg P, Hafler DA. Strength of prior stimuli determines the magnitude of secondary responsiveness in CD8+ T cells. Cellular Immunology 2002, 217: 36-46. PMID: 12425999, DOI: 10.1016/s0008-8749(02)00511-7.Peer-Reviewed Original ResearchConceptsT cellsSecondary responsivenessCostimulatory moleculesInduction of CD8Magnitude of CD8T cell responsesT cell anergyCell anergyCD8Prior stimulusSecondary stimulationPrimary stimulationCell responsesCellular mechanismsFollowing activationPeptide ligandsActivation thresholdStimulationCellsResponsivenessHigh levelsCD4AnergyStimuliStrength of signal
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
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 adultsExamination 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
1997
Expression of a hypoglycosylated form of CD86 (B7-2) on human T cells with altered binding properties to CD28 and CTLA-4.
Höllsberg P, Scholz C, Anderson DE, Greenfield EA, Kuchroo VK, Freeman GJ, Hafler DA. Expression of a hypoglycosylated form of CD86 (B7-2) on human T cells with altered binding properties to CD28 and CTLA-4. The Journal Of Immunology 1997, 159: 4799-805. PMID: 9366404, DOI: 10.4049/jimmunol.159.10.4799.Peer-Reviewed Original ResearchMeSH KeywordsAbataceptAnimalsAntibodies, MonoclonalAntigens, CDAntigens, DifferentiationB7-2 AntigenCD28 AntigensCD3 ComplexCD4-Positive T-LymphocytesCell Line, TransformedCHO CellsClone CellsCricetinaeCTLA-4 AntigenGlycosylationHumansImmunoconjugatesLymphocyte ActivationMembrane GlycoproteinsProtein BindingT-Lymphocyte SubsetsConceptsPost-translational modificationsCell type-specific post-translational modificationsHuman T cellsDifferent cell typesMajor costimulatory signalChinese hamster ovary cellsHamster ovary cellsCell clonesFusion proteinCostimulatory signalsCell typesT cell activationFunctional significanceOvary cellsBiochemical analysisSurface membraneCostimulatory functionDetectable bindingExpressionT cellsClonesCell activationCTLA-4-Ig fusion proteinCellsCell expressionVariable Immortalizing Potential and Frequent Virus Latency in Blood-Derived T-Cell Clones Infected With Human T-Cell Leukemia Virus Type I
Richardson JH, Höllsberg P, Windhagen A, Child LA, Hafler DA, Lever A. Variable Immortalizing Potential and Frequent Virus Latency in Blood-Derived T-Cell Clones Infected With Human T-Cell Leukemia Virus Type I. Blood 1997, 89: 3303-3314. PMID: 9129036, DOI: 10.1182/blood.v89.9.3303.Peer-Reviewed Original ResearchConceptsT cell clonesHuman T-cell leukemia virus type IVirus type IT cellsSpontaneous proliferationFresh peripheral blood lymphocytesGag p24 productionCD4 T cellsInfected cellsPeripheral blood lymphocytesHTLV-I provirusViral mRNA expressionType IP24 productionVirus-cell interactionsIL-6Virus carriersInterleukin-6Blood lymphocytesHost cell factorsCytokine mRNAVirus latencyVirus-producing clonesHTLVMRNA expression
1995
Differential activation of proliferation and cytotoxicity in human T-cell lymphotropic virus type I Tax-specific CD8 T cells by an altered peptide ligand.
Höllsberg P, Weber WE, Dangond F, Batra V, Sette A, Hafler DA. Differential activation of proliferation and cytotoxicity in human T-cell lymphotropic virus type I Tax-specific CD8 T cells by an altered peptide ligand. Proceedings Of The National Academy Of Sciences Of The United States Of America 1995, 92: 4036-4040. PMID: 7732026, PMCID: PMC42097, DOI: 10.1073/pnas.92.9.4036.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceBinding SitesB-LymphocytesCD8-Positive T-LymphocytesCell DivisionCell Line, TransformedCytotoxicity, ImmunologicGene Products, taxHerpesvirus 4, HumanHLA-A2 AntigenHuman T-lymphotropic virus 1HumansKineticsLymphocyte ActivationMolecular Sequence DataMutagenesis, Site-DirectedPoint MutationThymidineConceptsCD8 T cellsInterleukin-2 secretionT cell receptor contact residuesT cellsReceptor contact residuesCD8 T cell clonesCytotoxic CD8 T cellsMyelopathy/tropical spastic paraparesisT cell-mediated cytotoxicityHAM/TSPTropical spastic paraparesisT cell clonesAltered peptide ligandT cell-mediated cytolysisHuman T-cell leukemia virus type IT cell stimulationVirus type IAnalog peptidesHLA-A2Spastic paraparesisNeurologic diseaseSecondary stimulationSecondary responsePeptide antigensPrimary activation
1994
Regional specificity of HTLV-I pro viral integration in the human genome
Zoubak S, Richardson JH, Rynditch A, Hollsberg P, Hafler DA, Boeri E, Lever A, Bernardi G. Regional specificity of HTLV-I pro viral integration in the human genome. Gene 1994, 143: 155-163. PMID: 8206368, DOI: 10.1016/0378-1119(94)90091-4.Peer-Reviewed Original Research