2022
Impaired TIGIT expression on B cells drives circulating follicular helper T cell expansion in multiple sclerosis
Asashima H, Axisa PP, Pham THG, Longbrake EE, Ruff WE, Lele N, Cohen I, Raddassi K, Sumida TS, Hafler DA. Impaired TIGIT expression on B cells drives circulating follicular helper T cell expansion in multiple sclerosis. Journal Of Clinical Investigation 2022, 132: e156254. PMID: 36250467, PMCID: PMC9566906, DOI: 10.1172/jci156254.Peer-Reviewed Original ResearchConceptsRelapsing-remitting multiple sclerosisMemory B cellsCTfh cellsB cellsTIGIT expressionMultiple sclerosisT cellsFollicular helper T cellsHealthy age-matched controlsB-cell depletionT cell expansionHelper T cellsAge-matched controlsB cell functionB-cell pathwayDifferential gene expression signaturesTfh cellsDisease activityGene expression signaturesCell depletionCD40 ligandTranscription factor TCF4Disease pathogenesisImmune systemNew MRI
1997
Increased interleukin 12 production in progressive multiple sclerosis: Induction by activated CD4+ T cells via CD40 ligand
Balashov K, Smith D, Khoury S, Hafler D, Weiner H. Increased interleukin 12 production in progressive multiple sclerosis: Induction by activated CD4+ T cells via CD40 ligand. Proceedings Of The National Academy Of Sciences Of The United States Of America 1997, 94: 599-603. PMID: 9012830, PMCID: PMC19559, DOI: 10.1073/pnas.94.2.599.Peer-Reviewed Original ResearchConceptsIL-12 secretionIFN-gamma secretionMS patientsMultiple sclerosisT cellsIL-12Anti-CD40 ligand antibodyTh1-type immune activationCell-mediated autoimmune diseaseProgressive MS patientsProgressive multiple sclerosisIFN-gamma administrationRelapsing-remitting patientsExacerbation of diseaseInterleukin-12 productionChronic inflammatory diseaseCD40 ligand expressionCentral nervous systemActivated T cellsImmune interventionImmune activationAutoimmune diseasesInterleukin-12Inflammatory diseasesCD40 ligand
1996
Induction of anergy in CD8 T cells by B cell presentation of antigen.
Höllsberg P, Batra V, Dressel A, Hafler DA. Induction of anergy in CD8 T cells by B cell presentation of antigen. The Journal Of Immunology 1996, 157: 5269-76. PMID: 8955172, DOI: 10.4049/jimmunol.157.12.5269.Peer-Reviewed Original ResearchMeSH KeywordsAntigen-Presenting CellsB7-1 AntigenB-LymphocytesCD40 LigandCD8-Positive T-LymphocytesCell LineClonal AnergyCytotoxicity, ImmunologicGene ExpressionHumansImmunologic MemoryInterleukin-2Lymphocyte ActivationMembrane GlycoproteinsReceptors, Antigen, T-CellSignal TransductionTranscription, GeneticConceptsCD8 T cellsT cell clonesInduction of anergyT cellsB cellsMononuclear cellsB7-1Cell clonesAg stimulationAnergic CD8 T cellsPeptide-pulsed B cellsPeptide-pulsed target cellsCD4 T-cell clonesCD8 T cell clonesSecondary Ag challengeExogenous IL-2B7-2 costimulationB cell presentationT cell anergyIL-2 secretionNormal proliferative responseIL-2 mRNA transcriptionT cell stimulationEarly tyrosine phosphorylationAdequate costimulation