2021
Live imaging of SARS-CoV-2 infection in mice reveals that neutralizing antibodies require Fc function for optimal efficacy
Ullah I, Prévost J, Ladinsky MS, Stone H, Lu M, Anand SP, Beaudoin-Bussières G, Symmes K, Benlarbi M, Ding S, Gasser R, Fink C, Chen Y, Tauzin A, Goyette G, Bourassa C, Medjahed H, Mack M, Chung K, Wilen CB, Dekaban GA, Dikeakos JD, Bruce EA, Kaufmann DE, Stamatatos L, McGuire AT, Richard J, Pazgier M, Bjorkman PJ, Mothes W, Finzi A, Kumar P, Uchil PD. Live imaging of SARS-CoV-2 infection in mice reveals that neutralizing antibodies require Fc function for optimal efficacy. Immunity 2021, 54: 2143-2158.e15. PMID: 34453881, PMCID: PMC8372518, DOI: 10.1016/j.immuni.2021.08.015.Peer-Reviewed Original ResearchConceptsCOVID-19 convalescent subjectsSARS-CoV-2 infectionBioluminescence imagingK18-hACE2 miceLive bioluminescence imagingNatural killer cellsFc effector functionsSARS-CoV-2Convalescent subjectsKiller cellsPotent NAbsImmune protectionInflammatory responseEffector functionsNasal cavityNaB treatmentOptimal efficacyFc functionDepletion studiesMiceNAbsCOVID-19Direct neutralizationInfectionAntibodies
2020
An ACE2 Microbody Containing a Single Immunoglobulin Fc Domain Is a Potent Inhibitor of SARS-CoV-2
Tada T, Fan C, Chen JS, Kaur R, Stapleford KA, Gristick H, Dcosta BM, Wilen CB, Nimigean CM, Landau NR. An ACE2 Microbody Containing a Single Immunoglobulin Fc Domain Is a Potent Inhibitor of SARS-CoV-2. Cell Reports 2020, 33: 108528. PMID: 33326798, PMCID: PMC7705358, DOI: 10.1016/j.celrep.2020.108528.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAngiotensin-Converting Enzyme 2AnimalsAntiviral AgentsCOVID-19Disease Models, AnimalDisulfidesFemaleHEK293 CellsHumansImmunoglobulin Fc FragmentsMaleMice, TransgenicMicrobodiesProtein DomainsProtein MultimerizationSARS-CoV-2Spike Glycoprotein, CoronavirusVirionVirus InternalizationConceptsSARS-CoV-2Soluble ACE2Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infectionAcute respiratory syndrome coronavirus 2 infectionLive SARS-CoV-2Syndrome coronavirus 2 infectionCoronavirus 2 infectionSARS-CoV-2 spikeCoronavirus disease 2019SARS-CoV-2 spike proteinDisease 2019Enzyme 2Mouse modelFuture coronavirusesFc fusion proteinΒ-coronavirusViral variantsImmunoglobulin heavy chainSpike proteinACE2 ectodomainImmunoglobulin Fc domainFc domainVirusACE2Potent inhibitor