2022
Molecular basis for antiviral activity of two pediatric neutralizing antibodies targeting SARS-CoV-2 Spike RBD
Chen Y, Prévost J, Ullah I, Romero H, Lisi V, Tolbert W, Grover J, Ding S, Gong S, Beaudoin-Bussières G, Gasser R, Benlarbi M, Vézina D, Anand S, Chatterjee D, Goyette G, Grunst M, Yang Z, Bo Y, Zhou F, Béland K, Bai X, Zeher A, Huang R, Nguyen D, Sherburn R, Wu D, Piszczek G, Paré B, Matthies D, Xia D, Richard J, Kumar P, Mothes W, Côté M, Uchil P, Lavallée V, Smith M, Pazgier M, Haddad E, Finzi A. Molecular basis for antiviral activity of two pediatric neutralizing antibodies targeting SARS-CoV-2 Spike RBD. IScience 2022, 26: 105783. PMID: 36514310, PMCID: PMC9733284, DOI: 10.1016/j.isci.2022.105783.Peer-Reviewed Original ResearchReceptor-binding domainSARS-CoV-2 patientsK18-hACE2 micePlasma neutralization activitySARS-CoV-2 variantsSARS-CoV-2 spike receptor-binding domainSpike receptor-binding domainProphylactic administrationNAb responsesPediatric patientsPotent NAbsLethal challengeNeutralizing antibodiesNeutralization activityDelta VOCEffector activityAntiviral mechanismAntiviral activityClinical interventionsPatientsNAbsAntibodiesEpitopesMolecular determinantsMolecular basis
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