High-throughput single-cell profiling of B cell responses following inactivated influenza vaccination in young and older adults
Wang M, Jiang R, Mohanty S, Meng H, Shaw A, Kleinstein S. High-throughput single-cell profiling of B cell responses following inactivated influenza vaccination in young and older adults. Aging 2023, 15: 9250-9274. PMID: 37367734, PMCID: PMC10564424, DOI: 10.18632/aging.204778.Peer-Reviewed Original ResearchConceptsB cellsActivated B cellsB cell receptorOlder adultsInfluenza vaccinationAge groupsPeripheral blood B cellsYoung adultsInactivated influenza vaccineB cell responsesSubstantial disease burdenBlood B cellsMemory B cellsInfluenza vaccination responsesStrong antibody responseAge-related changesInfluenza vaccineVaccination responseSeasonal influenzaAntibody responseHospital visitsDisease burdenSomatic hypermutation frequenciesVaccinationCell responsesPD-1highCXCR5–CD4+ peripheral helper T cells promote CXCR3+ plasmablasts in human acute viral infection
Asashima H, Mohanty S, Comi M, Ruff W, Hoehn K, Wong P, Klein J, Lucas C, Cohen I, Coffey S, Lele N, Greta L, Raddassi K, Chaudhary O, Unterman A, Emu B, Kleinstein S, Montgomery R, Iwasaki A, Dela Cruz C, Kaminski N, Shaw A, Hafler D, Sumida T. PD-1highCXCR5–CD4+ peripheral helper T cells promote CXCR3+ plasmablasts in human acute viral infection. Cell Reports 2023, 42: 111895. PMID: 36596303, PMCID: PMC9806868, DOI: 10.1016/j.celrep.2022.111895.Peer-Reviewed Original ResearchConceptsAcute viral infectionTph cellsViral infectionCXCR3 expressionClinical outcomesHelper TSevere viral infectionsB cell helpBetter clinical outcomesProtective humoral immunityT cell-B cell interactionsKey immune responsesPlasmablast expansionB cell differentiationCell subsetsHumoral immunityCell helpImmune responseInterferon γPlasmablast differentiationB cellsPlasmablastsCell responsesInfectionCD4