2023
Vaccinia Virus Strain MVA Expressing a Prefusion-Stabilized SARS-CoV-2 Spike Glycoprotein Induces Robust Protection and Prevents Brain Infection in Mouse and Hamster Models
Lorenzo M, Marín-López A, Chiem K, Jimenez-Cabello L, Ullah I, Utrilla-Trigo S, Calvo-Pinilla E, Lorenzo G, Moreno S, Ye C, Park J, Matía A, Brun A, Sánchez-Puig J, Nogales A, Mothes W, Uchil P, Kumar P, Ortego J, Fikrig E, Martinez-Sobrido L, Blasco R. Vaccinia Virus Strain MVA Expressing a Prefusion-Stabilized SARS-CoV-2 Spike Glycoprotein Induces Robust Protection and Prevents Brain Infection in Mouse and Hamster Models. Vaccines 2023, 11: 1006. PMID: 37243110, PMCID: PMC10220993, DOI: 10.3390/vaccines11051006.Peer-Reviewed Original ResearchVaccine candidatesStrong T cell responsesAngiotensin-converting enzyme 2Prime-boost regimensT cell responsesFull-length SARS-CoV-2 spike proteinEffective COVID-19 vaccineGolden Syrian hamstersSARS-CoV-2 spike glycoproteinSARS-CoV-2 spike proteinCOVID-19 vaccineRecombinant MVA vaccinesSARS-CoV-2S proteinBrain infectionMVA vaccinesCell-cell fusionAmino acid substitutionsVaccine platformHamster modelEnzyme 2Recombinant MVAVaccine vectorAnimal modelsRobust immunity
2022
Engineered ACE2-Fc counters murine lethal SARS-CoV-2 infection through direct neutralization and Fc-effector activities
Chen Y, Sun L, Ullah I, Beaudoin-Bussières G, Anand SP, Hederman AP, Tolbert WD, Sherburn R, Nguyen DN, Marchitto L, Ding S, Wu D, Luo Y, Gottumukkala S, Moran S, Kumar P, Piszczek G, Mothes W, Ackerman ME, Finzi A, Uchil PD, Gonzalez FJ, Pazgier M. Engineered ACE2-Fc counters murine lethal SARS-CoV-2 infection through direct neutralization and Fc-effector activities. Science Advances 2022, 8: eabn4188. PMID: 35857504, PMCID: PMC9278865, DOI: 10.1126/sciadv.abn4188.Peer-Reviewed Original ResearchAngiotensin-converting enzyme 2Soluble angiotensin-converting enzyme 2Fc effector functionsSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) receptorLethal SARS-CoV-2 infectionK18-hACE2 mouse modelSARS-CoV-2 infectionAntibody-dependent cellular cytotoxicitySARS-CoV-2 antiviralsFc effector activityCoV-2 infectionSARS-CoV-2 variantsHalf maximal inhibitory concentrationComplement depositionACE2-FcCellular cytotoxicityEnzyme 2Mouse modelTherapeutic activityInhibitory concentrationTherapeutic settingDirect neutralizationInfectionReceptorsEffect of neutralization
2020
Real-Time Conformational Dynamics of SARS-CoV-2 Spikes on Virus Particles
Lu M, Uchil PD, Li W, Zheng D, Terry DS, Gorman J, Shi W, Zhang B, Zhou T, Ding S, Gasser R, Prévost J, Beaudoin-Bussières G, Anand SP, Laumaea A, Grover JR, Liu L, Ho DD, Mascola JR, Finzi A, Kwong PD, Blanchard SC, Mothes W. Real-Time Conformational Dynamics of SARS-CoV-2 Spikes on Virus Particles. Cell Host & Microbe 2020, 28: 880-891.e8. PMID: 33242391, PMCID: PMC7664471, DOI: 10.1016/j.chom.2020.11.001.Peer-Reviewed Original ResearchConceptsSingle-molecule fluorescence resonance energy transferReceptor-binding domainSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2Respiratory syndrome coronavirus 2Conformational dynamicsSyndrome coronavirus 2SARS-CoV-2 spikeCoronavirus disease 2019Distinct conformational statesMechanism of neutralizationHuman receptor angiotensinVirus particlesConvalescent plasmaCoronavirus 2Disease 2019Enzyme 2Fluorescence resonance energy transferReceptor angiotensinVaccine developmentImmunogen designViral entryConformational changesDistinct conformationsS recognition