2002
GAD65-reactive T cells are activated in patients with autoimmune type 1a diabetes
Viglietta V, Kent SC, Orban T, Hafler DA. GAD65-reactive T cells are activated in patients with autoimmune type 1a diabetes. Journal Of Clinical Investigation 2002, 109: 895-903. PMID: 11927616, PMCID: PMC150925, DOI: 10.1172/jci14114.Peer-Reviewed Original ResearchMeSH KeywordsAbataceptAdultAntigens, CDAntigens, DifferentiationAutoimmunityB7-1 AntigenB7-2 AntigenCD28 AntigensCell DivisionCTLA-4 AntigenDiabetes Mellitus, Type 1FemaleGlutamate DecarboxylaseHumansImmunoconjugatesInterferon-gammaInterleukin-13IsoenzymesMaleMembrane GlycoproteinsSignal TransductionT-LymphocytesConceptsGAD65-reactive T cellsType 1 diabetesAutoreactive T cellsT cellsB7-1New-onset type 1 diabetesPancreatic islet cell antigensInsulin-dependent type 1 diabetesGlutamic acid decarboxylase 65B7-2 engagementType 1A diabetesMemory T cellsStimulation ex vivoIslet cell antigensB7-2 moleculesT cell proliferationB7-1 costimulationAutoimmune diseasesCTLA-4Healthy controlsPathogenic roleSelective blockadeCytokine secretionHuman diabetesT lymphocytes
2000
A novel population of B7‐1+ T cells producing intracellular IL‐4 is decreased in patients with multiple sclerosis
Kipp B, Bar‐Or A, Gausling R, Oliveira E, Fruhan S, Stuart W, Hafler D. A novel population of B7‐1+ T cells producing intracellular IL‐4 is decreased in patients with multiple sclerosis. European Journal Of Immunology 2000, 30: 2092-2100. PMID: 10940899, DOI: 10.1002/1521-4141(200007)30:7<2092::aid-immu2092>3.0.co;2-7.Peer-Reviewed Original ResearchConceptsT cell receptorIntracellular IL-4Multiple sclerosisT cellsB7-1IL-4Autoimmune diseasesTNF-alphaIFN-gammaIL-4-producing T cellsLittle IL-4Immunoregulatory T cellsIL-4 productionIntracellular IFN-gammaT cell populationsLittle IFN-gammaNovel populationDiverse TCR repertoireMHC class IIHuman T cellsShort-term cultureCell surface moleculesTCR repertoireNormal subjectsPatients
1998
Expansion of autoreactive T cells in multiple sclerosis is independent of exogenous B7 costimulation.
Scholz C, Patton K, Anderson D, Freeman G, Hafler D. Expansion of autoreactive T cells in multiple sclerosis is independent of exogenous B7 costimulation. The Journal Of Immunology 1998, 160: 1532-8. PMID: 9570577, DOI: 10.4049/jimmunol.160.3.1532.Peer-Reviewed Original ResearchMeSH KeywordsAbataceptAntigens, CDAntigens, DifferentiationAutoantigensB7-1 AntigenB7-2 AntigenClone CellsCTLA-4 AntigenEpitopes, T-LymphocyteHumansImmunoconjugatesImmunoglobulin Fc FragmentsImmunosuppressive AgentsInterleukin-4Lymphocyte ActivationMembrane GlycoproteinsMultiple SclerosisMyelin Basic ProteinRecombinant Fusion ProteinsT-Lymphocyte SubsetsTetanus ToxoidThymidineConceptsCD4 T cellsMultiple sclerosisT cellsB7-1Myelin basic proteinPathogenesis of MSMyelin-reactive T cellsPeripheral blood T cellsB7-2 engagementAutoreactive T cellsBlood T cellsAbsence of costimulationCentral nervous systemAntigen-specific signalT cell activationMS patientsB7 costimulationInflammatory diseasesTetanus toxoidB7-2Normal controlsNormal subjectsCostimulatory signalsNervous systemCell activation
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 expressionWeak peptide agonists reveal functional differences in B7-1 and B7-2 costimulation of human T cell clones.
Anderson DE, Ausubel LJ, Krieger J, Höllsberg P, Freeman GJ, Hafler DA. Weak peptide agonists reveal functional differences in B7-1 and B7-2 costimulation of human T cell clones. The Journal Of Immunology 1997, 159: 1669-75. PMID: 9257827, DOI: 10.4049/jimmunol.159.4.1669.Peer-Reviewed Original ResearchB7.2 expressed by T cells does not induce CD28-mediated costimulatory activity but retains CTLA4 binding: implications for induction of antitumor immunity to T cell tumors.
Greenfield EA, Howard E, Paradis T, Nguyen K, Benazzo F, McLean P, Höllsberg P, Davis G, Hafler DA, Sharpe AH, Freeman GJ, Kuchroo VK. B7.2 expressed by T cells does not induce CD28-mediated costimulatory activity but retains CTLA4 binding: implications for induction of antitumor immunity to T cell tumors. The Journal Of Immunology 1997, 158: 2025-34. PMID: 9036945, DOI: 10.4049/jimmunol.158.5.2025.Peer-Reviewed Original ResearchMeSH KeywordsAbataceptAnimalsAntigens, CDAntigens, DifferentiationB7-2 AntigenCD28 AntigensCell DivisionCTLA-4 AntigenFemaleImmunoconjugatesLymphocyte ActivationMembrane GlycoproteinsMiceMice, Inbred BALB CMice, Inbred C57BLProtein BindingT-LymphocytesThymomaThymus NeoplasmsTransfectionTumor Cells, Cultured
1996
Activation of human T cell lymphotropic virus type I-infected T cells is independent of B7 costimulation.
Scholz C, Freeman GJ, Greenfield EA, Hafler DA, Höllsberg P. Activation of human T cell lymphotropic virus type I-infected T cells is independent of B7 costimulation. The Journal Of Immunology 1996, 157: 2932-8. PMID: 8816399, DOI: 10.4049/jimmunol.157.7.2932.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, MonoclonalAntigen-Presenting CellsAntigens, CDAutoimmunityB7-1 AntigenB7-2 AntigenBase SequenceCD28 AntigensCHO CellsClone CellsCricetinaeCricetulusEnzyme ActivationHLA-DR AntigensHLA-DRB1 ChainsHuman T-lymphotropic virus 1HumansInterferon-gammaInterleukin-4Interleukin-5Janus Kinase 3Lymphocyte ActivationMembrane GlycoproteinsMolecular Sequence DataMyelin Basic ProteinProtein-Tyrosine KinasesSignal TransductionT-Lymphocyte SubsetsTransfectionConceptsHuman T-cell lymphotropic virus type ILymphotropic virus type IB7 costimulationT cell clonesT cellsB7-1Virus type IIL-4IL-5B7-2IFN-gammaAutoreactive T cell responsesCell clonesAg-specific signalAutoimmune-like diseaseT cell responsesAutoreactive T cellsHTLV-I infectionB7-2 costimulationB7-2 moleculesUninfected T cellsType IAutoimmune responseB7 expressionCytokine secretion
1995
Expression of costimulatory molecules B7-1 (CD80), B7-2 (CD86), and interleukin 12 cytokine in multiple sclerosis lesions.
Windhagen A, Newcombe J, Dangond F, Strand C, Woodroofe MN, Cuzner ML, Hafler DA. Expression of costimulatory molecules B7-1 (CD80), B7-2 (CD86), and interleukin 12 cytokine in multiple sclerosis lesions. Journal Of Experimental Medicine 1995, 182: 1985-1996. PMID: 7500044, PMCID: PMC2192240, DOI: 10.1084/jem.182.6.1985.Peer-Reviewed Original ResearchConceptsAutoreactive T cellsMultiple sclerosisT cellsB7-1Autoimmune diseasesCostimulatory moleculesMS plaquesB7-2T cell-mediated autoimmune diseaseInitiation of MSMyelin-autoreactive T cellsCell-mediated autoimmune diseaseSelf-reactive T cellsCostimulatory molecules B7-1Acute MS plaquesAutoimmune animal modelsInterleukin-12 cytokinesPutative autoimmune diseaseSemiquantitative reverse transcriptase-polymerase chain reactionReverse transcriptase-polymerase chain reactionExpression of cytokinesTranscriptase-polymerase chain reactionT cell activationMultiple sclerosis lesionsInflammatory cuffs