2021
Cutting 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
2020
Human germinal centres engage memory and naive B cells after influenza vaccination
Turner JS, Zhou JQ, Han J, Schmitz AJ, Rizk AA, Alsoussi WB, Lei T, Amor M, McIntire KM, Meade P, Strohmeier S, Brent RI, Richey ST, Haile A, Yang YR, Klebert MK, Suessen T, Teefey S, Presti RM, Krammer F, Kleinstein SH, Ward AB, Ellebedy AH. Human germinal centres engage memory and naive B cells after influenza vaccination. Nature 2020, 586: 127-132. PMID: 32866963, PMCID: PMC7566073, DOI: 10.1038/s41586-020-2711-0.Peer-Reviewed Original ResearchConceptsB cell clonesInfluenza vaccinationGerminal center B cellsB cellsGerminal center reactionCell clonesLymph nodesMonoclonal antibodiesPre-existing memory B cellsGerminal center B cell responsesStrain-specific monoclonal antibodiesCenter reactionUltrasound-guided fine-needle aspirationMajor public health threatEarly plasmablast responsesInfluenza virus vaccinationSeasonal influenza vaccinationCross-reactive monoclonal antibodiesB cell responsesMemory B cellsB-cell originFine-needle aspirationNaive B cellsPublic health threatHuman germinal centre
2018
Affinity Maturation Is Impaired by Natural Killer Cell Suppression of Germinal Centers
Rydyznski CE, Cranert SA, Zhou JQ, Xu H, Kleinstein SH, Singh H, Waggoner SN. Affinity Maturation Is Impaired by Natural Killer Cell Suppression of Germinal Centers. Cell Reports 2018, 24: 3367-3373.e4. PMID: 30257198, PMCID: PMC6192537, DOI: 10.1016/j.celrep.2018.08.075.Peer-Reviewed Original ResearchConceptsNK cellsGC B cell frequencyNatural killer cell suppressionAntigen-reactive B cellsB cell frequenciesNatural killer cellsFollicular helper TAntigen-specific immunoglobulinsAdministration of alumGerminal center reactionVaccine elicitationHelper TKiller cellsHumoral immunityProtective antibodiesHigh-affinity antibodiesCell suppressionGerminal centersB cellsCell frequencyCenter reactionSomatic hypermutationGC developmentGC reactionAntibody affinity