Featured Publications
Maturation of germinal center B cells after influenza virus vaccination in humans
McIntire K, Meng H, Lin T, Kim W, Moore N, Han J, McMahon M, Wang M, Malladi S, Mohammed B, Zhou J, Schmitz A, Hoehn K, Carreño J, Yellin T, Suessen T, Middleton W, Teefey S, Presti R, Krammer F, Turner J, Ward A, Wilson I, Kleinstein S, Ellebedy A. Maturation of germinal center B cells after influenza virus vaccination in humans. Journal Of Experimental Medicine 2024, 221: e20240668. PMID: 38935072, PMCID: PMC11211068, DOI: 10.1084/jem.20240668.Peer-Reviewed Original ResearchConceptsB cellsInfluenza vaccineGerminal centersAntigen-specific GC B cellsResponse to seasonal influenza vaccinationLong-lived bone marrow plasma cellsResponse to influenza vaccinationBone marrow plasma cellsGerminal center B cellsGC B cell clonesInfluenza virus vaccineMaturation of B cellsMarrow plasma cellsSeasonal influenza vaccineMemory B cellsHemagglutinin (HAB cell clonesGC B cellsInfluenza hemagglutinin (HAH5 HANeedle aspirationLymphoid structuresLymph nodesPlasma cellsGC reaction
2021
Human B cell lineages associated with germinal centers following influenza vaccination are measurably evolving
Hoehn KB, Turner JS, Miller FI, Jiang R, Pybus OG, Ellebedy A, Kleinstein SH. Human B cell lineages associated with germinal centers following influenza vaccination are measurably evolving. ELife 2021, 10: e70873. PMID: 34787567, PMCID: PMC8741214, DOI: 10.7554/elife.70873.Peer-Reviewed Original ResearchConceptsSeasonal influenza vaccinationInfluenza vaccinationB-cell lineageGerminal centersB cell evolutionPoor efficacyB cellsSeasonal influenza virus vaccinationSeasonal influenza virus vaccinesVaccine-induced B cell responsesInfluenza virus vaccinationInfluenza virus vaccinePre-existing immunityB cell responsesMemory B cellsCell lineagesGC B cellsSeasonal vaccinationHIV infectionVirus vaccinationVirus vaccineVaccinationVaccine antigensCell responsesSignificant heterogeneity
2020
Mutant EZH2 Induces a Pre-malignant Lymphoma Niche by Reprogramming the Immune Response
Béguelin W, Teater M, Meydan C, Hoehn KB, Phillip JM, Soshnev AA, Venturutti L, Rivas MA, Calvo-Fernández MT, Gutierrez J, Camarillo JM, Takata K, Tarte K, Kelleher NL, Steidl C, Mason CE, Elemento O, Allis CD, Kleinstein SH, Melnick AM. Mutant EZH2 Induces a Pre-malignant Lymphoma Niche by Reprogramming the Immune Response. Cancer Cell 2020, 37: 655-673.e11. PMID: 32396861, PMCID: PMC7298875, DOI: 10.1016/j.ccell.2020.04.004.Peer-Reviewed Original ResearchConceptsFollicular lymphomaB cellsIndolent tumorsCell helpFollicular dendritic cell networksB cell requirementDendritic cell networksFollicular helper cellsGerminal center B cellsGC B cellsHelper cellsImmunological nicheImmune responseMalignant transformationHuman follicular lymphomaEZH2 mutationsPrevents inductionFunction mutationsTumorsCell requirementsCellsMutant EZH2LymphomaMutations
2019
Overexpression of T-bet in HIV infection is associated with accumulation of B cells outside germinal centers and poor affinity maturation
Austin JW, Buckner CM, Kardava L, Wang W, Zhang X, Melson VA, Swanson RG, Martins AJ, Zhou JQ, Hoehn KB, Fisk JN, Dimopoulos Y, Chassiakos A, O'Dell S, Smelkinson MG, Seamon CA, Kwan RW, Sneller MC, Pittaluga S, Doria-Rose NA, McDermott A, Li Y, Chun TW, Kleinstein SH, Tsang JS, Petrovas C, Moir S. Overexpression of T-bet in HIV infection is associated with accumulation of B cells outside germinal centers and poor affinity maturation. Science Translational Medicine 2019, 11 PMID: 31776286, PMCID: PMC7479651, DOI: 10.1126/scitranslmed.aax0904.Peer-Reviewed Original ResearchMeSH KeywordsAdultAntibodies, NeutralizingAntibody AffinityAntigens, CD19B-LymphocytesCytokinesFemaleGerminal CenterHIV InfectionsHumansImmunologic MemoryLymph NodesMaleMiddle AgedMutation RatePhenotypeReceptors, Antigen, B-CellT-Box Domain ProteinsT-Lymphocytes, Helper-InducerTranscriptomeYoung AdultConceptsHIV-specific B cellsT-betGC B cellsGerminal centersB cellsLymph nodesPoor affinity maturationChronic immune activationMemory B cell compartmentAntibody-mediated immunityChronic infectious diseaseOptimal antibody responseB cell compartmentChronic human infectionsB cell receptorHIV viremiaImmunologic outcomesHIV infectionViremic individualsChronic viremiaImmune activationPeripheral bloodProtective antibodiesAntibody responseCD19
2017
Interleukin-10 from CD4+ follicular regulatory T cells promotes the germinal center response
Laidlaw BJ, Lu Y, Amezquita RA, Weinstein JS, Vander Heiden JA, Gupta NT, Kleinstein SH, Kaech SM, Craft J. Interleukin-10 from CD4+ follicular regulatory T cells promotes the germinal center response. Science Immunology 2017, 2 PMID: 29054998, PMCID: PMC5846620, DOI: 10.1126/sciimmunol.aan4767.Peer-Reviewed Original ResearchConceptsFollicular regulatory T cellsRegulatory T cellsIL-10Lymphocytic choriomeningitis virusT cellsB cellsInterleukin-10GC responseCell-derived IL-10Follicular helper T cellsHelper T cellsB cell responsesGerminal center responseGerminal center developmentActivated B cellsBox protein 1GC B cellsAcute infectionCenter responseCell responsesImportant mediatorNuclear translocationGC reactionProtein 1Forkhead box protein 1