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
2003
Rapamycin-resistant Proliferation of CD8+ T Cells Correlates with p27 kip1 Down-regulation and bcl-xL Induction, and Is Prevented by an Inhibitor of Phosphoinositide 3-Kinase Activity*
Slavik JM, Lim DG, Burakoff SJ, Hafler DA. Rapamycin-resistant Proliferation of CD8+ T Cells Correlates with p27 kip1 Down-regulation and bcl-xL Induction, and Is Prevented by an Inhibitor of Phosphoinositide 3-Kinase Activity*. Journal Of Biological Chemistry 2003, 279: 910-919. PMID: 14573608, DOI: 10.1074/jbc.m209733200.Peer-Reviewed Original ResearchMeSH KeywordsAnnexin A5Antibiotics, AntineoplasticBcl-X ProteinCD28 AntigensCD3 ComplexCD8-Positive T-LymphocytesCell Cycle ProteinsCell DivisionColoring AgentsCyclin DCyclin-Dependent Kinase Inhibitor p27CyclinsDose-Response Relationship, DrugDown-RegulationEnzyme InhibitorsEstersFluoresceinsHumansKineticsLymphocytesPhosphatidylinositol 3-KinasesProtein BindingProto-Oncogene Proteins c-bcl-2Signal TransductionSirolimusTime FactorsT-LymphocytesTumor Suppressor ProteinsConceptsInhibitor of phosphoinositideT cell receptorMammalian cell typesCell receptorBcl-xL inductionAction of rapamycinBcl-xL expressionT cellsHuman cellsCell survivalP27 Kip1Resistant proliferationCell typesPhosphoinositideHuman CD8RapamycinCellular proliferationEffect of rapamycinMicrobial infectionsCell populationsHigh-affinity T-cell receptorsSelective immunosuppressive effectT Cells CorrelateT cell populationsProliferation
2001
Immunological Memory: Contribution of Memory B Cells Expressing Costimulatory Molecules in the Resting State
Bar-Or A, Oliveira E, Anderson D, Krieger J, Duddy M, O’Connor K, Hafler D. Immunological Memory: Contribution of Memory B Cells Expressing Costimulatory Molecules in the Resting State. The Journal Of Immunology 2001, 167: 5669-5677. PMID: 11698439, DOI: 10.4049/jimmunol.167.10.5669.Peer-Reviewed Original ResearchConceptsMemory B cellsB cell subsetsB cellsCell subsetsCostimulatory moleculesB cell memory compartmentMemory responsesImmune memory responseDistinct B cell subsetsHuman memory B cellsHumoral memory responsesHuman B cellsTh cellsImmunological memoryT cellsMemory compartmentPoor APCsMurine systemNovel subpopulationRelative paucityCellsCD4+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
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
1986
Antigen reactive memory T cells are defined by Ta1.
Hafler DA, Fox DA, Benjamin D, Weiner HL. Antigen reactive memory T cells are defined by Ta1. The Journal Of Immunology 1986, 137: 414-8. PMID: 3013990, DOI: 10.4049/jimmunol.137.2.414.Peer-Reviewed Original ResearchConceptsT cellsReactive memory T cellsPeripheral blood T cellsAutologous mixed lymphocyte responseHuman peripheral blood T cellsMemory T cellsMixed lymphocyte responseBlood T cellsPresence of PWMT cell clonesEnhanced proliferative responseTA1 cellsActivated T cellsNormal human subjectsT cell linesT memory cellsSuppressor cellsLymphocyte responsesAnamnestic responseMitogen PHAPeripheral bloodLymphocyte populationsIL-2Tetanus toxoidT lymphocytes