2021
Cutting Edge: Distinct B Cell Repertoires Characterize Patients with Mild and Severe COVID-19
Hoehn KB, Ramanathan P, Unterman A, Sumida TS, Asashima H, Hafler DA, Kaminski N, Dela Cruz CS, Sealfon SC, Bukreyev A, Kleinstein SH. Cutting Edge: Distinct B Cell Repertoires Characterize Patients with Mild and Severe COVID-19. The Journal Of Immunology 2021, 206: 2785-2790. PMID: 34049971, PMCID: PMC8627528, DOI: 10.4049/jimmunol.2100135.Peer-Reviewed Original ResearchConceptsSevere COVID-19Mild COVID-19B cell responsesMemory B cellsB cell repertoireB cellsCell repertoireCOVID-19Cell responsesExtrafollicular B cell responsesLong-term immunitySymptomatic COVID-19Onset of symptomsB cell populationsGerminal center reactionProtective immunityPlasma cellsSingle-cell RNA sequencingCenter reactionPatientsCell populationsImmunityRNA sequencingCellsPostvaccination
2008
Cytometric profiling in multiple sclerosis uncovers patient population structure and a reduction of CD8low cells
De Jager PL, Rossin E, Pyne S, Tamayo P, Ottoboni L, Viglietta V, Weiner M, Soler D, Izmailova E, Faron-Yowe L, O’Brien C, Freeman S, Granados S, Parker A, Roubenoff R, Mesirov JP, Khoury SJ, Hafler DA, Weiner HL. Cytometric profiling in multiple sclerosis uncovers patient population structure and a reduction of CD8low cells. Brain 2008, 131: 1701-1711. PMID: 18567923, PMCID: PMC2730047, DOI: 10.1093/brain/awn118.Peer-Reviewed Original ResearchConceptsRelapsing-remitting MSImmunological profileRRMS subjectsPeripheral bloodUntreated subjectsNatural killer cell profileComprehensive Longitudinal InvestigationAbsence of treatmentCell surface markersCIS subjectsDemyelinating diseaseDemyelination syndromeWomen's HospitalHealthy controlsCytometric profilingCell profilesMonoclonal antibodiesExtension phaseFresh bloodBiomarker discovery effortsDistinct subsetsBloodCell populationsGating strategyHospital
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 TransductionSirolimusT-LymphocytesTime FactorsTumor 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
2000
Human and Murine CD4 T Cell Reactivity to a Complex Antigen: Recognition of the Synthetic Random Polypeptide Glatiramer Acetate
Duda P, Krieger J, Schmied M, Balentine C, Hafler D. Human and Murine CD4 T Cell Reactivity to a Complex Antigen: Recognition of the Synthetic Random Polypeptide Glatiramer Acetate. The Journal Of Immunology 2000, 165: 7300-7307. PMID: 11120865, DOI: 10.4049/jimmunol.165.12.7300.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnimalsCD4-Positive T-LymphocytesCell Line, TransformedCell SeparationClone CellsDose-Response Relationship, ImmunologicFemaleGlatiramer AcetateHematopoietic Stem CellsHLA-DR AntigensHumansImmunizationImmunologic MemoryImmunomagnetic SeparationInfant, NewbornLeukocytes, MononuclearLymphocyte ActivationLymphocyte CountMiceMice, Inbred BALB CMice, Inbred C57BLMultiple Sclerosis, Relapsing-RemittingPeptidesSpleenTh1 CellsTh2 CellsConceptsT cell populationsHLA class II DRGlatiramer acetateT cell proliferationClass II DRII DRT cellsCD4 T cell reactivityGA-reactive T cellsHuman T cell proliferative responsesT cell precursor frequencyCell populationsSpecific human T cell clonesT cell proliferative responsesHuman T cell clonesMemory T cellsT cell reactivityMultiple sclerosis patientsRecent clinical findingsCell precursor frequencyCell proliferative responsesCell proliferationT cell clonesDose-dependent proliferationHealthy human adults
1993
Increased Protein Kinase C Activity in Human Memory T Cells
Höllsberg P, Melinek J, Benjamin D, Hafler D. Increased Protein Kinase C Activity in Human Memory T Cells. Cellular Immunology 1993, 149: 170-179. PMID: 8099849, DOI: 10.1006/cimm.1993.1145.Peer-Reviewed Original ResearchConceptsCD26 T cellsMemory T cellsT cell populationsMemory T cell populationsT cellsT cell receptorProliferative responseCell populationsPeripheral blood T cellsHuman memory T cellsMemory T cell functionCD26 antigen expressionT-cell surface antigensPKC activityBlood T cellsT cell functionTCR/CD3 pathwayDifferentiated T cellsCell surface antigensCD26 mAbCD26- subsetAntigen challengeAntigen expressionCD26 antigenCD26 expressionHuman fetal liver gamma/delta T cells predominantly use unusual rearrangements of the T cell receptor delta and gamma loci expressed on both CD4+CD8- and CD4-CD8- gamma/delta T cells.
Wucherpfennig KW, Liao YJ, Prendergast M, Prendergast J, Hafler DA, Strominger JL. Human fetal liver gamma/delta T cells predominantly use unusual rearrangements of the T cell receptor delta and gamma loci expressed on both CD4+CD8- and CD4-CD8- gamma/delta T cells. Journal Of Experimental Medicine 1993, 177: 425-432. PMID: 8093893, PMCID: PMC2190895, DOI: 10.1084/jem.177.2.425.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceBase SequenceCD4-Positive T-LymphocytesClone CellsGene Rearrangement, delta-Chain T-Cell Antigen ReceptorGene Rearrangement, gamma-Chain T-Cell Antigen ReceptorHumansLiverMolecular Sequence DataOligodeoxyribonucleotidesReceptors, Antigen, T-Cell, gamma-deltaT-Lymphocyte SubsetsConceptsGamma/delta T cellsGamma/delta T cell clonesDelta T cellsT cell clonesGamma/delta T cell populationsT cell populationsT cellsFetal liverT cell developmentCell clonesCD4-CD8TCR delta chain transcriptsUnusual T-cell populationCell populationsFetal immune systemDelta-chain transcriptsGene rearrangementsT-cell receptor gammaGamma chain rearrangementT-cell receptor deltaHuman fetal liverTCR delta chainCell developmentAlpha/betaFetal thymus
1991
Immunologic effects of cyclophosphamide/ACTH in patients with chronic progressive multiple sclerosis
Hafler D, Orav J, Gertz R, Stazzone L, Weiner H. Immunologic effects of cyclophosphamide/ACTH in patients with chronic progressive multiple sclerosis. Journal Of Neuroimmunology 1991, 32: 149-158. PMID: 1672870, DOI: 10.1016/0165-5728(91)90007-t.Peer-Reviewed Original ResearchConceptsT cell populationsDisability Status ScaleMixed lymphocyte reactionSpontaneous proliferationT cellsImmune measuresACTH infusionImmune functionChronic progressive multiple sclerosisProgressive multiple sclerosis patientsCD4/CD8 ratioCell populationsAllogeneic mixed lymphocyte reactionFunctional immune measuresPeripheral blood CD4Progressive multiple sclerosisPositive clinical responsePositive T cellsMultiple sclerosis patientsFunctional immune assaysLevels of proliferationBlood CD4CD8 ratioClinical improvementClinical responseInterleukin-1 corrects the defective autologous mixed lymphocyte response in multiple sclerosis
Hafler D, Chofflon M, Kurt-Jones E, Weiner H. Interleukin-1 corrects the defective autologous mixed lymphocyte response in multiple sclerosis. Clinical Immunology 1991, 58: 115-125. PMID: 1670583, DOI: 10.1016/0090-1229(91)90153-2.Peer-Reviewed Original ResearchConceptsAutologous mixed lymphocyte reactionMultiple sclerosisWhole T cellsMS patientsT cellsImmune defectsChronic progressive multiple sclerosisNon-T cell populationsAutologous mixed lymphocyte responseProgressive multiple sclerosisMixed lymphocyte responseMixed lymphocyte reactionResponse of CD4T cell populationsSex-matched controlsT cell regulationIL-1 secretionCell populationsLymphokine IFN-gammaImmunoregulatory defectsLymphocyte responsesRIL-2Lymphocyte reactionMS subjectsAutoimmune diseases
1988
Oligoclonal T lymphocytes in the cerebrospinal fluid of patients with multiple sclerosis.
Hafler DA, Duby AD, Lee SJ, Benjamin D, Seidman JG, Weiner HL. Oligoclonal T lymphocytes in the cerebrospinal fluid of patients with multiple sclerosis. Journal Of Experimental Medicine 1988, 167: 1313-1322. PMID: 3258624, PMCID: PMC2188923, DOI: 10.1084/jem.167.4.1313.Peer-Reviewed Original ResearchConceptsT cell clonesT cell populationsOligoclonal T-cell populationsTCR gene rearrangement patternsCerebrospinal fluidGene rearrangement patternsCell clonesT cellsRearrangement patternsChronic progressive multiple sclerosis patientsProgressive multiple sclerosis patientsCell populationsChronic progressive MSHerpes zoster meningoencephalitisOligoclonal T lymphocytesOligoclonal T cellsT cell responsesMultiple sclerosis patientsCentral nervous systemT cell receptor beta chainTCR gene rearrangementsIndividual T cellsProgressive MSGamma chain geneImmune compartment