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 ligands
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
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
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
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 activationModulation 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