2021
Intranasal priming induces local lung-resident B cell populations that secrete protective mucosal antiviral IgA
Oh JE, Song E, Moriyama M, Wong P, Zhang S, Jiang R, Strohmeier S, Kleinstein SH, Krammer F, Iwasaki A. Intranasal priming induces local lung-resident B cell populations that secrete protective mucosal antiviral IgA. Science Immunology 2021, 6: eabj5129. PMID: 34890255, PMCID: PMC8762609, DOI: 10.1126/sciimmunol.abj5129.Peer-Reviewed Original ResearchConceptsVirus infectionIgA secretionB cellsMucosal surfacesIgA-secreting B cellsIgA-expressing cellsRole of IgARespiratory virus infectionsIgA-secreting cellsLower respiratory tractInfluenza virus infectionEffective immune protectionHeterologous virus infectionMemory B cellsSecretory immunoglobulin AProtein-based vaccinesB cell populationsPredominant Ig isotypeSite of entryIntranasal primingBronchoalveolar spaceProtective immunityVaccine strategiesRespiratory mucosaImmune protectionSingle cell immunophenotyping of the skin lesion erythema migrans Identifies IgM memory B cells
Jiang R, Meng H, Raddassi K, Fleming I, Hoehn KB, Dardick KR, Belperron AA, Montgomery RR, Shalek AK, Hafler DA, Kleinstein SH, Bockenstedt LK. Single cell immunophenotyping of the skin lesion erythema migrans Identifies IgM memory B cells. JCI Insight 2021, 6: e148035. PMID: 34061047, PMCID: PMC8262471, DOI: 10.1172/jci.insight.148035.Peer-Reviewed Original ResearchConceptsMemory B cellsErythema migransB cellsEM lesionsIgM memory B cellsLyme diseaseB-cell receptor sequencingSkin infection siteCell receptor sequencingEarly Lyme diseaseLocal antigen presentationSkin immune responsesB cell populationsSingle-cell immunophenotypingMHC class II genesUninvolved skinImmune cellsSpirochetal infectionAntigen presentationCell immunophenotypingT cellsImmune responseIsotype usageAntibody productionInitial signsCutting 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
2019
Early B cell tolerance defects in neuromyelitis optica favour anti-AQP4 autoantibody production
Cotzomi E, Stathopoulos P, Lee CS, Ritchie AM, Soltys JN, Delmotte FR, Oe T, Sng J, Jiang R, K A, Vander Heiden JA, Kleinstein SH, Levy M, Bennett JL, Meffre E, O’Connor K. Early B cell tolerance defects in neuromyelitis optica favour anti-AQP4 autoantibody production. Brain 2019, 142: 1598-1615. PMID: 31056665, PMCID: PMC6536857, DOI: 10.1093/brain/awz106.Peer-Reviewed Original ResearchConceptsNeuromyelitis optica spectrum disorderB cell tolerance checkpointsNMOSD patientsNaïve B cellsAQP4 autoantibodiesTolerance checkpointsHealthy donorsB cellsEarly B cell tolerance checkpointsPeripheral B cell tolerance checkpointsMature naïve B cellsB cell tolerance defectsSeropositive NMOSD patientsOptica spectrum disorderRare autoimmune disorderNaïve B-cell compartmentB cell compartmentB cell populationsAquaporin-4 water channelsPathogenic autoantibodiesAutoantibody productionOptic nerveAutoimmune disordersSevere inflammationSpinal cord
2018
Spatiotemporal segregation of human marginal zone and memory B cell populations in lymphoid tissue
Zhao Y, Uduman M, Siu JHY, Tull TJ, Sanderson JD, Wu YB, Zhou JQ, Petrov N, Ellis R, Todd K, Chavele KM, Guesdon W, Vossenkamper A, Jassem W, D’Cruz D, Fear DJ, John S, Scheel-Toellner D, Hopkins C, Moreno E, Woodman NL, Ciccarelli F, Heck S, Kleinstein SH, Bemark M, Spencer J. Spatiotemporal segregation of human marginal zone and memory B cell populations in lymphoid tissue. Nature Communications 2018, 9: 3857. PMID: 30242242, PMCID: PMC6155012, DOI: 10.1038/s41467-018-06089-1.Peer-Reviewed Original ResearchConceptsMemory B cellsMZ B cellsLymphoid tissueB cellsClassical memory B cellsMemory B cell populationsDistant lymphoid tissuesGut lymphoid tissueExpression of CD27Marginal zone B cellsB cell poolHuman memory B cellsB cell populationsSomatic mutationsMicroanatomical nichesGerminal centersPhenotypic progressionCell poolMass cytometryCell populationsIGHV repertoireTissueMarginal zoneCellsPopulation
2015
The mutation patterns in B-cell immunoglobulin receptors reflect the influence of selection acting at multiple time-scales
Yaari G, Benichou JI, Heiden J, Kleinstein SH, Louzoun Y. The mutation patterns in B-cell immunoglobulin receptors reflect the influence of selection acting at multiple time-scales. Philosophical Transactions Of The Royal Society B Biological Sciences 2015, 370: 20140242. PMID: 26194756, PMCID: PMC4528419, DOI: 10.1098/rstb.2014.0242.Peer-Reviewed Original ResearchMeSH KeywordsAntibody AffinityAntibody DiversityB-LymphocytesCell LineageClonal Selection, Antigen-MediatedComplementarity Determining RegionsGenes, ImmunoglobulinHumansImmunoglobulin Heavy ChainsImmunoglobulin Variable RegionModels, GeneticModels, ImmunologicalMutationReceptors, Antigen, B-CellSomatic Hypermutation, ImmunoglobulinTime FactorsConceptsLineage treesPositive selectionStrong selection pressureLong-term selectionInfluence of selectionGene familyVariable gene familiesComplementarity determining regionsClone membersMutation patternsSelection pressureB cell populationsImmunoglobulin genesB cellsFramework regionsSomatic hypermutationSomatic mutationsAffinity maturationMutationsClone sizeMaturation processLong trunkAffinity maturation processSignificant diversityMultiple rounds
2013
The immune cell infiltrate populating meningiomas is composed of mature, antigen-experienced T and B cells
Fang L, Lowther DE, Meizlish ML, Anderson RC, Bruce JN, Devine L, Huttner AJ, Kleinstein SH, Lee JY, Stern JN, Yaari G, Lovato L, Cronk KM, O'Connor KC. The immune cell infiltrate populating meningiomas is composed of mature, antigen-experienced T and B cells. Neuro-Oncology 2013, 15: 1479-1490. PMID: 23978377, PMCID: PMC3813416, DOI: 10.1093/neuonc/not110.Peer-Reviewed Original ResearchConceptsTumor-infiltrating B cellsImmune cell infiltratesT cell repertoireCell infiltrateB cellsT cellsCell repertoireAntigen experienceImmune checkpoint molecules PD-1Memory/effector T cellsCheckpoint molecules PD-1Antigen-driven B cell responsesEffector T cell populationsTumor microenvironmentT-cell infiltratesRegulatory T cellsEffector T cellsT-cell phenotypeT cell populationsB cell responsesPeripheral blood lymphocytesAntigen-experienced CD4Cell populationsB cell populationsB cell repertoire