2019
Phenotypic and Ig Repertoire Analyses Indicate a Common Origin of IgD−CD27− Double Negative B Cells in Healthy Individuals and Multiple Sclerosis Patients
Fraussen J, Marquez S, Takata K, Beckers L, Montes Diaz G, Zografou C, Van Wijmeersch B, Villar LM, O'Connor KC, Kleinstein SH, Somers V. Phenotypic and Ig Repertoire Analyses Indicate a Common Origin of IgD−CD27− Double Negative B Cells in Healthy Individuals and Multiple Sclerosis Patients. The Journal Of Immunology 2019, 203: 1650-1664. PMID: 31391234, PMCID: PMC6736705, DOI: 10.4049/jimmunol.1801236.Peer-Reviewed Original ResearchConceptsDN B cellsDouble-negative B cellsMultiple sclerosis patientsMS patientsNegative B cellsHealthy controlsClass-switched memoryB cellsAdaptive immune receptor repertoire sequencingSclerosis patientsRepertoire sequencingFrequency of CD95Naive B cellsUnique differentiation pathwayLow CD5Proinflammatory characteristicsImmune agingCD38 expressionHealthy individualsPatientsFlow cytometryLow mutation loadCD27Repertoire analysisMaturation state
2014
B cells populating the multiple sclerosis brain mature in the draining cervical lymph nodes
Stern JN, Yaari G, Vander Heiden JA, Church G, Donahue WF, Hintzen RQ, Huttner AJ, Laman JD, Nagra RM, Nylander A, Pitt D, Ramanan S, Siddiqui BA, Vigneault F, Kleinstein SH, Hafler DA, O'Connor KC. B cells populating the multiple sclerosis brain mature in the draining cervical lymph nodes. Science Translational Medicine 2014, 6: 248ra107. PMID: 25100741, PMCID: PMC4388137, DOI: 10.1126/scitranslmed.3008879.Peer-Reviewed Original ResearchConceptsCervical lymph nodesCentral nervous systemB cellsCerebrospinal fluidLymph nodesMultiple sclerosisLymphoid tissueCNS of patientsCNS B cellsAntigen-experienced B cellsMultiple sclerosis brainSecondary lymphoid tissuesB cell compartmentB cell trafficB cell maturationImmunomodulatory therapyImmune infiltratesPeripheral bloodInflammatory diseasesLymphocyte transmigrationPeripheral tissuesNervous systemMembers of clonesCell maturationCell traffic
2013
Protein array–based profiling of CSF identifies RBPJ as an autoantigen in multiple sclerosis
Querol L, Clark PL, Bailey MA, Cotsapas C, Cross AH, Hafler DA, Kleinstein SH, Lee JY, Yaari G, Willis SN, O'Connor KC. Protein array–based profiling of CSF identifies RBPJ as an autoantigen in multiple sclerosis. Neurology 2013, 81: 956-963. PMID: 23921886, PMCID: PMC3888197, DOI: 10.1212/wnl.0b013e3182a43b48.Peer-Reviewed Original ResearchConceptsCSF of patientsMultiple sclerosisNeurologic diseaseEpstein-Barr virus infectionImmunoglobulin GElevated immunoglobulin GInflammatory neurologic diseasesSubset of patientsLarger validation cohortRecombination signal binding proteinImmunoglobulin kappa J regionCSF autoantibodiesValidation cohortControl subjectsSerum reactivityAutoantigen candidatesHigh prevalenceVirus infectionPatientsAutoantibodiesCSFSclerosisArray-based profilingDiseaseELISA