2023
PD-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
2020
Reduced development of COVID-19 in children reveals molecular checkpoints gating pathogenesis illuminating potential therapeutics
Steinman JB, Lum FM, Ho PP, Kaminski N, Steinman L. Reduced development of COVID-19 in children reveals molecular checkpoints gating pathogenesis illuminating potential therapeutics. Proceedings Of The National Academy Of Sciences Of The United States Of America 2020, 117: 24620-24626. PMID: 32883878, PMCID: PMC7547272, DOI: 10.1073/pnas.2012358117.Peer-Reviewed Original ResearchConceptsSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) receptorT helper 2 (Th2) immune responsesCross-reactive humoral immunityCOVID-19T cell immunityT helper 2SARS-CoV-2Cell immunityCommon coronavirusesHelper 2Humoral immunityInflammatory cytokinesRespiratory tractImmune responseCommon coldPandemic virusPotential therapeuticsChildrenPathogenesisImmunityReduced developmentMolecular checkpointsCoronavirusLow levelsEosinophilia