2023
Toddler's T cells are taught in muco-school.
Khani-Habibabadi F, O'Connor K. Toddler's T cells are taught in muco-school. Science Immunology 2023, 8: eadj9555. PMID: 37540737, DOI: 10.1126/sciimmunol.adj9555.Peer-Reviewed Original ResearchPrecision targeting of autoantigen-specific B cells in muscle-specific tyrosine kinase myasthenia gravis with chimeric autoantibody receptor T cells
Oh S, Mao X, Manfredo-Vieira S, Lee J, Patel D, Choi E, Alvarado A, Cottman-Thomas E, Maseda D, Tsao P, Ellebrecht C, Khella S, Richman D, O’Connor K, Herzberg U, Binder G, Milone M, Basu S, Payne A. Precision targeting of autoantigen-specific B cells in muscle-specific tyrosine kinase myasthenia gravis with chimeric autoantibody receptor T cells. Nature Biotechnology 2023, 41: 1229-1238. PMID: 36658341, PMCID: PMC10354218, DOI: 10.1038/s41587-022-01637-z.Peer-Reviewed Original ResearchConceptsMuscle‐specific tyrosine kinase myasthenia gravisReceptor T cellsB cellsT cellsMyasthenia gravisChimeric autoantibody receptor T cellsCD19 chimeric antigen receptor T cellsAutoantigen-specific B cellsChimeric antigen receptor T cellsAntigen receptor T cellsAnti-MuSK antibodiesB-cell depletionTotal IgG levelsClinical study designInvestigational new drug applicationChronic immunosuppressionIgG levelsMuscle weaknessAutoimmune diseasesCell depletionCurrent therapiesSimilar efficacyCytolytic activityMouse modelNew drug applications
2020
CD4+ follicular regulatory T cells optimize the influenza virus–specific B cell response
Lu Y, Jiang R, Freyn AW, Wang J, Strohmeier S, Lederer K, Locci M, Zhao H, Angeletti D, O’Connor K, Kleinstein SH, Nachbagauer R, Craft J. CD4+ follicular regulatory T cells optimize the influenza virus–specific B cell response. Journal Of Experimental Medicine 2020, 218: e20200547. PMID: 33326020, PMCID: PMC7748821, DOI: 10.1084/jem.20200547.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibody FormationAntigensB-LymphocytesCD4 AntigensDisease Models, AnimalEpitopesForkhead Transcription FactorsGerminal CenterHumansImmunityImmunologic MemoryInfluenza, HumanInfluenzavirus BIntegrasesMice, Inbred C57BLOrthomyxoviridae InfectionsReceptors, Antigen, B-CellSpecies SpecificityT-Lymphocytes, RegulatoryVaccinationConceptsB cell responsesGerminal center B cell responsesFollicular regulatory T cellsRegulatory T cellsTfr cellsCell responsesT cellsViral challengeHumoral memoryVirus-specific B cell responsesAntigen-specific B cell responsesFollicular helper T cellsHA stalk regionHelper T cellsInfluenza virus infectionGerminal center developmentAntibody responsePlasma cellsVirus infectionImmunization modelAntibody productionBCR repertoireInfluenza virusRepeated exposureInfluenza virus glycoproteins
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
2005
Plasma cells in muscle in inclusion body myositis and polymyositis
Greenberg S, Bradshaw E, Pinkus J, Pinkus G, Burleson T, Due B, Bregoli L, O’Connor K, Amato A. Plasma cells in muscle in inclusion body myositis and polymyositis. Neurology 2005, 65: 1782-1787. PMID: 16344523, DOI: 10.1212/01.wnl.0000187124.92826.20.Peer-Reviewed Original ResearchMeSH KeywordsAntigens, SurfaceAutoantigensB-LymphocytesBiomarkersBiopsyCell DifferentiationCell LineageHumansImmunoglobulinsImmunohistochemistryLymphocyte ActivationMembrane GlycoproteinsMuscle, SkeletalMyositis, Inclusion BodyPlasma CellsPolymyositisProteoglycansRNA, MessengerSyndecan-1SyndecansT-LymphocytesConceptsInclusion body myositisBody myositisB cellsImmunoglobulin gene transcriptsPlasma cellsImmunohistochemical studyCell-mediated immune mechanismsMore T cellsT cell populationsMuscles of patientsMuscle biopsy specimensPrevious immunohistochemical studiesB cell activationDifferentiated B cellsB-cell lineageCell surface markersImmunoglobulin gene rearrangementsUntreated patientsHumoral mechanismsBiopsy specimensImmune mechanismsLaser capture microdissectionT cellsPolymyositisMyositisCharacterization of in vivo expanded OspA-specific human T-cell clones
Ausubel LJ, O'Connor KC, Baecher-Allen C, Trollmo C, Kessler B, Hekking B, Merritt D, Meyer AL, Kwok B, Ploegh H, Huber BT, Hafler DA. Characterization of in vivo expanded OspA-specific human T-cell clones. Clinical Immunology 2005, 115: 313-322. PMID: 15893699, DOI: 10.1016/j.clim.2005.02.015.Peer-Reviewed Original ResearchConceptsT cell clonesMajor histocompatibility complex class II tetramersTreatment-resistant Lyme arthritisCD4 T-cell clonesDistinct T-cell clonesT cell receptor repertoireHuman T cell clonesClass II tetramersBeta chainT cell recognitionTCR contact residuesTCR beta chainT cell receptorCell flow cytometryTCR usageImmune compartmentLyme arthritisAutoimmune diseasesMicrobial antigensT cellsOspA epitopeImmunodominant epitopesSynovial fluidReceptor repertoireReactive clonesMultiple 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
Immunological Memory: Contribution of Memory B Cells Expressing Costimulatory Molecules in the Resting State
Bar-Or A, Oliveira E, Anderson D, Krieger J, Duddy M, O’Connor K, Hafler D. Immunological Memory: Contribution of Memory B Cells Expressing Costimulatory Molecules in the Resting State. The Journal Of Immunology 2001, 167: 5669-5677. PMID: 11698439, DOI: 10.4049/jimmunol.167.10.5669.Peer-Reviewed Original ResearchConceptsMemory B cellsB cell subsetsB cellsCell subsetsCostimulatory moleculesB cell memory compartmentMemory responsesImmune memory responseDistinct B cell subsetsHuman memory B cellsHumoral memory responsesHuman B cellsTh cellsImmunological memoryT cellsMemory compartmentPoor APCsMurine systemNovel subpopulationRelative paucityCellsThe 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