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 protectionB Cell Mobilization, Dissemination, Fine Tuning of Local Antigen Specificity and Isotype Selection in Asthma
Ohm-Laursen L, Meng H, Hoehn KB, Nouri N, Jiang Y, Clouser C, Johnstone TG, Hause R, Sandhar BS, Upton NEG, Chevretton EB, Lakhani R, Corrigan CJ, Kleinstein SH, Gould HJ. B Cell Mobilization, Dissemination, Fine Tuning of Local Antigen Specificity and Isotype Selection in Asthma. Frontiers In Immunology 2021, 12: 702074. PMID: 34721376, PMCID: PMC8552043, DOI: 10.3389/fimmu.2021.702074.Peer-Reviewed Original ResearchConceptsLower respiratory tractRespiratory tractB cellsAtopic asthmaPlasma cellsCommon respiratory tract diseaseB-cell mobilizationNon-atopic controlsRespiratory tract mucosaUpper respiratory tractRespiratory tract diseaseOrgan-specific diseasesAntibody repertoireB cell clonesAdaptive immune receptor repertoire sequencingBronchial mucosaNasal mucosaTract diseaseCell mobilizationIsotype selectionAntigen specificityAdult volunteersMucosal surfacesImmune systemAsthma