2015
11C-PBR28 imaging in multiple sclerosis patients and healthy controls: test-retest reproducibility and focal visualization of active white matter areas
Park E, Gallezot JD, Delgadillo A, Liu S, Planeta B, Lin SF, O’Connor K, Lim K, Lee JY, Chastre A, Chen MK, Seneca N, Leppert D, Huang Y, Carson RE, Pelletier D. 11C-PBR28 imaging in multiple sclerosis patients and healthy controls: test-retest reproducibility and focal visualization of active white matter areas. European Journal Of Nuclear Medicine And Molecular Imaging 2015, 42: 1081-1092. PMID: 25833352, DOI: 10.1007/s00259-015-3043-4.Peer-Reviewed Original ResearchConceptsNormal-appearing white matterVolume of distributionTest-retest variabilityWhole brain white matterHealthy controlsMicroglial activationTest-retest reproducibilityGray matterMultiple sclerosisMS subjectsWhite matterWhole brain gray matterGood test-retest reproducibilityAbsolute test-retest variabilityActive MS patientsPositron emission tomography (PET) ligandMultiple sclerosis patientsMain outcome measuresWhite matter areasMS WM lesionsBrain gray matterDemyelinating injuryTest-retest resultsVT valuesMS patients
2014
Chapter 52 Multiple Sclerosis
Hernandez A, O’Connor K, Hafler D. Chapter 52 Multiple Sclerosis. 2014, 735-756. DOI: 10.1016/b978-0-12-384929-8.00052-6.ChaptersMultiple sclerosisT cellsCell subsetsInflammatory autoimmune diseaseRegulatory T cellsT cell subsetsCNS white matterB cell subsetsImmune dysregulationTh1 subsetAutoimmune diseasesHumoral responseDisease evolutionInfectious agentsGenetic susceptibility lociProgressive neurodegenerationWhite matterCurrent diseaseGenetic riskDiseasePotential roleSclerosisSusceptible hostsTherapyPutative role
2011
Related B cell clones populate the meninges and parenchyma of patients with multiple sclerosis
Lovato L, Willis SN, Rodig SJ, Caron T, Almendinger SE, Howell OW, Reynolds R, O’Connor K, Hafler DA. Related B cell clones populate the meninges and parenchyma of patients with multiple sclerosis. Brain 2011, 134: 534-541. PMID: 21216828, PMCID: PMC3030766, DOI: 10.1093/brain/awq350.Peer-Reviewed Original ResearchConceptsB cell clonesB cell aggregatesMultiple sclerosisCentral nervous systemParenchymal infiltratesCell clonesNervous systemMeningeal B cell aggregatesRelated B cell clonesProgressive multiple sclerosisB-cell infiltratesCerebral spinal fluidInflammatory plaquesCell infiltrateImmune compartmentParenchymal lesionsLymphoid tissueSclerosisSpinal fluidWhite matterPatientsGray matterBrain tissueInfiltratesMeninges
2005
Multiple sclerosis
Hafler DA, Slavik JM, Anderson DE, O'Connor KC, De Jager P, Baecher‐Allan C. Multiple sclerosis. Immunological Reviews 2005, 204: 208-231. PMID: 15790361, DOI: 10.1111/j.0105-2896.2005.00240.x.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsMultiple sclerosisT cellsB cellsImmunopathology of MSCentral nervous system white matterNervous system white matterRegulatory T cellsHallmark of inflammationImmunosuppressive therapyAutoimmune processImmunomodulatory therapeuticsAnimal modelsMS researchWhite matterDisease pathologyClonal expansionDiseaseMajor histocompatibility complex (MHC) genesMolecular pathologyRNA expressionSclerosisInflammationTherapyPathologyComplex genetic diseases
2001
The Neuroimmunology of Multiple Sclerosis: Possible Roles of T and B Lymphocytes in Immunopathogenesis
O'connor K, Bar-Or A, Hafler D. The Neuroimmunology of Multiple Sclerosis: Possible Roles of T and B Lymphocytes in Immunopathogenesis. Journal Of Clinical Immunology 2001, 21: 81-92. PMID: 11332657, DOI: 10.1023/a:1011064007686.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsMultiple sclerosisT cellsB cellsImmunopathology of MSMyelin-reactive T cellsCentral nervous system white matterNervous system white matterAutoreactive T cellsMS immunopathologyImmunosuppressive therapyCNS pathogenesisTolerance breakdownAutoreactive cellsInflammatory diseasesPathological studiesAnimal modelsB lymphocytesWhite matterMajor mediatorDisease pathologyNonhuman primatesDiseaseEvidence supportImmunopathologySclerosis