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
2021
A stem-loop RNA RIG-I agonist protects against acute and chronic SARS-CoV-2 infection in mice
Mao T, Israelow B, Lucas C, Vogels CBF, Gomez-Calvo ML, Fedorova O, Breban MI, Menasche BL, Dong H, Linehan M, Alpert T, Anderson F, Earnest R, Fauver J, Kalinich C, Munyenyembe K, Ott I, Petrone M, Rothman J, Watkins A, Wilen C, Landry M, Grubaugh N, Pyle A, Iwasaki A. A stem-loop RNA RIG-I agonist protects against acute and chronic SARS-CoV-2 infection in mice. Journal Of Experimental Medicine 2021, 219: e20211818. PMID: 34757384, PMCID: PMC8590200, DOI: 10.1084/jem.20211818.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 infectionChronic SARS-CoV-2 infectionVariants of concernLethal SARS-CoV-2 infectionPost-infection therapyLower respiratory tractPost-exposure treatmentType I interferonSARS-CoV-2Effective medical countermeasuresAdaptive immune systemBroad-spectrum antiviralsContext of infectionSingle doseRespiratory tractViral controlImmunodeficient miceSevere diseaseMouse modelI interferonViral infectionImmune systemInnate immunityDisease preventionConsiderable efficacy