Variant-specific vaccination induces systems immune responses and potent in vivo protection against SARS-CoV-2
Peng L, Renauer PA, Ökten A, Fang Z, Park JJ, Zhou X, Lin Q, Dong MB, Filler R, Xiong Q, Clark P, Lin C, Wilen CB, Chen S. Variant-specific vaccination induces systems immune responses and potent in vivo protection against SARS-CoV-2. Cell Reports Medicine 2022, 3: 100634. PMID: 35561673, PMCID: PMC9040489, DOI: 10.1016/j.xcrm.2022.100634.Peer-Reviewed Original ResearchConceptsImmune responseImmune cell populationsSARS-CoV-2 spikeAssessment of efficacySARS-CoV-2LNP-mRNABreakthrough infectionsCD8 TImmune profilingMRNA vaccinesPotent protectionT lymphocytesNeutralization activityDelta variantAnimal modelsPotent antibodiesRepertoire diversityCell responsesAuthentic virusSystemic increaseVariant lineagesClonal expansionCell populationsCOVID-19VaccinationHigh-affinity, neutralizing antibodies to SARS-CoV-2 can be made without T follicular helper cells
Chen JS, Chow RD, Song E, Mao T, Israelow B, Kamath K, Bozekowski J, Haynes WA, Filler RB, Menasche BL, Wei J, Alfajaro MM, Song W, Peng L, Carter L, Weinstein JS, Gowthaman U, Chen S, Craft J, Shon JC, Iwasaki A, Wilen CB, Eisenbarth SC. High-affinity, neutralizing antibodies to SARS-CoV-2 can be made without T follicular helper cells. Science Immunology 2022, 7: eabl5652. PMID: 34914544, PMCID: PMC8977051, DOI: 10.1126/sciimmunol.abl5652.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 infectionSARS-CoV-2Follicular helper cellsB cell responsesHelper cellsAntibody productionCell responsesSARS-CoV-2 vaccinationB-cell receptor sequencingSevere COVID-19Cell receptor sequencingIndependent antibodiesT cell-B cell interactionsViral inflammationAntiviral antibodiesImmunoglobulin class switchingVirus infectionGerminal centersViral infectionClonal repertoireInfectionAntibodiesClass switchingCOVID-19Patients