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 ligands4 Molecular Mimicry in Multiple Sclerosis Role of MHC-Altered Peptide Ligands (MAPL)
Lim D, Hafler D. 4 Molecular Mimicry in Multiple Sclerosis Role of MHC-Altered Peptide Ligands (MAPL). 2004, 45-55. PMCID: PMC7151874, DOI: 10.1016/b978-044451271-0.50004-1.Peer-Reviewed Original ResearchMicrobial peptidesMolecular mimicryMimicry hypothesisMolecular mechanismsMultiple sclerosisMolecular mimicry hypothesisDisease entityMajor pathogenic mechanismAttractive hypothesisMimicryPeptide ligandsMyelin proteinsSingle disease entityPathogenic mechanismsMultiple sclerosis lesionsCross-reacting antigenDirect evidenceDisease stageT cellsPeptidesSclerosis lesionsProteinDifferent disordersImmunological studiesMechanism
2003
Allelic Variation of MHC Structure Alters Peptide Ligands to Induce Atypical Partial Agonistic CD8+ T Cell Function
Lim DG, Slavik JM, Bourcier K, Smith KJ, Hafler DA. Allelic Variation of MHC Structure Alters Peptide Ligands to Induce Atypical Partial Agonistic CD8+ T Cell Function. Journal Of Experimental Medicine 2003, 198: 99-109. PMID: 12847139, PMCID: PMC2196091, DOI: 10.1084/jem.20021796.Peer-Reviewed Original ResearchConceptsT cell functionT cell clonesCell functionReactive T cell clonesCell clonesT cell responsesDifferent T cell responsesIndividual T cell clonesHLA-A2 moleculesAltered peptide ligandHLA-A2 peptideRecognition of MHCT cell receptorMHC-peptide complexesPolymorphic amino acidsFunctional outcomeHLA-A2Peptide ligandsAgonist functionMHC moleculesCell responsesEarly intracellularLong-term expressionCell receptorAntigen recognition
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
1999
Cross-Reactivity of T-Cell Clones Specific for Altered Peptide Ligands of Myelin Basic Protein
Ausubel L, Bieganowska K, Hafler D. Cross-Reactivity of T-Cell Clones Specific for Altered Peptide Ligands of Myelin Basic Protein. Cellular Immunology 1999, 193: 99-107. PMID: 10202117, DOI: 10.1006/cimm.1998.1447.Peer-Reviewed Original ResearchConceptsT cell clonesT cellsSpecific T cell repertoireAutoreactive T cellsTh1-type cytokinesTh2-type cytokinesMultiple sclerosis patientsT cell repertoireAltered peptide ligandT cell receptor alphaPotential beneficial effectsTCR contact residuesMyelin basic proteinDownregulatory cytokinesSclerosis patientsIL-4IL-5Individual patientsReceptor alphaBeneficial effectsClonal expansionCytokinesPeptide ligandsSubstantial proliferationCross reactivity
1995
Modulation of cytokine patterns of human autoreactive T cell clones by a single amino acid substitution of their peptide ligand
Windhagen A, Schooz C, Höllsberg P, Fukaura H, Sette A, Hafler D. Modulation of cytokine patterns of human autoreactive T cell clones by a single amino acid substitution of their peptide ligand. Immunity 1995, 2: 373-380. PMID: 7536622, DOI: 10.1016/1074-7613(95)90145-0.Peer-Reviewed Original ResearchConceptsT cell clonesCytokine patternCell clonesHuman autoreactive T cell clonesT cell cytokine secretionAutoreactive T cell clonesT cell receptor contact residuesIL-4 secretionAltered peptide ligandMajor histocompatability complexPresence of ionomycinMyelin basic proteinIL-10Receptor contact residuesIL-4IL-2TCR antagonistsCytokine secretionImmune responseIFN-gammaPeptide ligandsProtein secretionCalcium fluxMature T-cell clonesSecretion