2023
Differential effects of anti-CD20 therapy on CD4 and CD8 T cells and implication of CD20-expressing CD8 T cells in MS disease activity
Shinoda K, Li R, Rezk A, Mexhitaj I, Patterson K, Kakara M, Zuroff L, Bennett J, von Büdingen H, Carruthers R, Edwards K, Fallis R, Giacomini P, Greenberg B, Hafler D, Ionete C, Kaunzner U, Lock C, Longbrake E, Pardo G, Piehl F, Weber M, Ziemssen T, Jacobs D, Gelfand J, Cross A, Cameron B, Musch B, Winger R, Jia X, Harp C, Herman A, Bar-Or A. Differential effects of anti-CD20 therapy on CD4 and CD8 T cells and implication of CD20-expressing CD8 T cells in MS disease activity. Proceedings Of The National Academy Of Sciences Of The United States Of America 2023, 120: e2207291120. PMID: 36634138, PMCID: PMC9934304, DOI: 10.1073/pnas.2207291120.Peer-Reviewed Original ResearchConceptsEarly disease activityDisease activityCD8 T cellsT cellsCD20 therapyPeripheral blood mononuclear cellsCellular immune profilesNew disease activityMS disease activityT cell poolMultiple sclerosis patientsAnti-inflammatory profileBlood mononuclear cellsTreatment-associated changesMultiparametric flow cytometryCentral nervous systemFurther dosingRepeat infusionsImmune profileMS patientsSclerosis patientsValidation cohortMononuclear cellsRelapse developmentImmune cascade
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
2019
Siponimod Chips Away at Progressive MS
Longbrake EE, Hafler DA. Siponimod Chips Away at Progressive MS. Cell 2019, 179: 1440. PMID: 31951523, PMCID: PMC8023412, DOI: 10.1016/j.cell.2019.11.034.Peer-Reviewed Original ResearchConceptsProgressive multiple sclerosisGadolinium-enhancing MRI lesionsInflammatory disease activityImmunomodulatory medicationsDisability progressionDisease activityMRI lesionsProgressive MSNeurologic disabilityPMS patientsMultiple sclerosisSiponimodMedicationsSclerosisPatientsLesionsBedsideProgression
2012
An RNA Profile Identifies Two Subsets of Multiple Sclerosis Patients Differing in Disease Activity
Ottoboni L, Keenan BT, Tamayo P, Kuchroo M, Mesirov JP, Buckle GJ, Khoury SJ, Hafler DA, Weiner HL, De Jager PL. An RNA Profile Identifies Two Subsets of Multiple Sclerosis Patients Differing in Disease Activity. Science Translational Medicine 2012, 4: 153ra131. PMID: 23019656, PMCID: PMC3753678, DOI: 10.1126/scitranslmed.3004186.Peer-Reviewed Original ResearchConceptsGlatiramer acetateDisease activityPatient populationFirst-line disease-modifying treatmentsMultiple sclerosis (MS) patient populationPeripheral blood mononuclear cellsMS patient populationDisease-modifying treatmentsMultiple sclerosis patientsBlood mononuclear cellsSubset of subjectsDisease courseSclerosis patientsMS subjectsMononuclear cellsInflammatory eventsTreatment responseUntreated subjectsAdditional groupHigh expressionTranscriptional signatureSubjectsRNA profilesTreatmentTranscriptional profiles
2008
F.34. Changes in the CD8dimCD4- Cell Population Parallel Disease Activity in Treated Multiple Sclerosis Subjects
De Jager P, Kivisäkk P, Hu X, Soler-Ferran D, Izmailova E, O'Brien C, Hafler D, Weiner H, Khoury S. F.34. Changes in the CD8dimCD4- Cell Population Parallel Disease Activity in Treated Multiple Sclerosis Subjects. Clinical Immunology 2008, 127: s54. DOI: 10.1016/j.clim.2008.03.146.Peer-Reviewed Original ResearchMultiple sclerosis subjectsDisease activity
1989
MS: a CNS and systematic autoimmune disease
Hafler D, Weiner H. MS: a CNS and systematic autoimmune disease. Trends In Immunology 1989, 10: 104-107. PMID: 2472810, DOI: 10.1016/0167-5699(89)90236-3.Peer-Reviewed Original ResearchConceptsPeripheral immune compartmentCentral nervous systemImmune compartmentMultiple sclerosisImmunoregulatory defectsMS patientsAutoimmune diseasesCNS inflammatory responsesTotal lymphoid irradiationProgressive multiple sclerosisT-cell abnormalitiesB cell hyperactivitySystemic lupus erythematosusT cell functionSystematic autoimmune diseaseActivated T cellsLymphoid irradiationDisease activityImmune abnormalitiesSystemic treatmentLupus erythematosusRheumatoid arthritisPeripheral bloodInflammatory diseasesInflammatory response
1984
Altered blood T-cell subsets in patients with multiple sclerosis
Weiner H, Hafler D, Fallis R, Johnson D, Ault K, Hauser S. Altered blood T-cell subsets in patients with multiple sclerosis. Journal Of Neuroimmunology 1984, 6: 115-121. PMID: 6373819, DOI: 10.1016/0165-5728(84)90032-8.Peer-Reviewed Original ResearchConceptsT cell subsetsMultiple sclerosisBlood T cell subsetsChronic progressive patientsActive multiple sclerosisStage of illnessSpontaneous immunoglobulin productionCentral nervous systemImmunoregulatory abnormalitiesT8 ratioActive diseaseDisease activityProgressive patientsAcute patientsPeripheral bloodImmunoglobulin productionImmune functionPatientsNervous systemSclerosisSpinal fluidDiagnostic testsAbnormalitiesVariety of protocolsPleocytosis