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 neutralizationInfectionAntibodiesSingle-cell longitudinal analysis of SARS-CoV-2 infection in human airway epithelium identifies target cells, alterations in gene expression, and cell state changes
Ravindra NG, Alfajaro MM, Gasque V, Huston NC, Wan H, Szigeti-Buck K, Yasumoto Y, Greaney AM, Habet V, Chow RD, Chen JS, Wei J, Filler RB, Wang B, Wang G, Niklason LE, Montgomery RR, Eisenbarth SC, Chen S, Williams A, Iwasaki A, Horvath TL, Foxman EF, Pierce RW, Pyle AM, van Dijk D, Wilen CB. Single-cell longitudinal analysis of SARS-CoV-2 infection in human airway epithelium identifies target cells, alterations in gene expression, and cell state changes. PLOS Biology 2021, 19: e3001143. PMID: 33730024, PMCID: PMC8007021, DOI: 10.1371/journal.pbio.3001143.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 infectionSARS-CoV-2Human bronchial epithelial cellsInterferon-stimulated genesCell state changesAcute respiratory syndrome coronavirus 2 infectionSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infectionSyndrome coronavirus 2 infectionCell tropismCoronavirus 2 infectionCoronavirus disease 2019Onset of infectionCell-intrinsic expressionCourse of infectionAir-liquid interface culturesHost-viral interactionsBronchial epithelial cellsSingle-cell RNA sequencingCell typesIL-1Disease 2019Human airwaysDevelopment of therapeuticsDrug AdministrationViral replication
2012
Transmitted/Founder and Chronic Subtype C HIV-1 Use CD4 and CCR5 Receptors with Equal Efficiency and Are Not Inhibited by Blocking the Integrin α4β7
Parrish NF, Wilen CB, Banks LB, Iyer SS, Pfaff JM, Salazar-Gonzalez JF, Salazar MG, Decker JM, Parrish EH, Berg A, Hopper J, Hora B, Kumar A, Mahlokozera T, Yuan S, Coleman C, Vermeulen M, Ding H, Ochsenbauer C, Tilton JC, Permar SR, Kappes JC, Betts MR, Busch MP, Gao F, Montefiori D, Haynes BF, Shaw GM, Hahn BH, Doms RW. Transmitted/Founder and Chronic Subtype C HIV-1 Use CD4 and CCR5 Receptors with Equal Efficiency and Are Not Inhibited by Blocking the Integrin α4β7. PLOS Pathogens 2012, 8: e1002686. PMID: 22693444, PMCID: PMC3364951, DOI: 10.1371/journal.ppat.1002686.Peer-Reviewed Original ResearchMeSH KeywordsAntibodies, NeutralizingAntibodies, ViralCD4 AntigensCD4-Positive T-LymphocytesCells, CulturedCloning, MolecularHIV Envelope Protein gp120HIV InfectionsHIV-1Host-Pathogen InteractionsHumansIntegrinsMucous MembraneNeutralization TestsReceptors, CCR5Viral TropismVirus InternalizationVirus ReplicationConceptsF virusesInfectious molecular cloneMucosal HIV-1 acquisitionNew HIV-1 infectionsHuman immunodeficiency virus type 1Immunodeficiency virus type 1Transmitted/FounderHIV-1 acquisitionHIV-1 vaccine designSubtype C HIVHIV-1 infectionSingle genome amplificationAnti-α4β7 antibodyVirus type 1V2 variable loopsChronic EnvsC HIVFounder virusesSexual transmissionChronic virusesGp120 subunitIntegrin α4β7Transmission fitnessSame CD4CD4
2011
Primary Infection by a Human Immunodeficiency Virus with Atypical Coreceptor Tropism
Jiang C, Parrish N, Wilen C, Li H, Chen Y, Pavlicek J, Berg A, Lu X, Song H, Tilton J, Pfaff J, Henning E, Decker J, Moody M, Drinker M, Schutte R, Freel S, Tomaras G, Nedellec R, Mosier D, Haynes B, Shaw G, Hahn B, Doms R, Gao F. Primary Infection by a Human Immunodeficiency Virus with Atypical Coreceptor Tropism. Journal Of Virology 2011, 85: 10669-10681. PMID: 21835785, PMCID: PMC3187499, DOI: 10.1128/jvi.05249-11.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid MotifsAmino Acid SubstitutionApelin ReceptorsCD4-Positive T-LymphocytesCells, CulturedEnv Gene Products, Human Immunodeficiency VirusGene ExpressionHIV-1HumansMacrophagesReceptors, Formyl PeptideReceptors, G-Protein-CoupledReceptors, HIVReceptors, LipoxinReceptors, PeptideViral TropismConceptsF virusesHuman immunodeficiency virus type 1Immunodeficiency virus type 1Alternative coreceptor GPR15Sequential plasma samplesHuman immunodeficiency virusClade B virusesVirus type 1Cell linesPrimary human CD4Third variable loopEarly time pointsCoreceptor tropismFounder virusesMultiple CD4Immunodeficiency virusAlternative coreceptorsCCR5 coreceptorPrimary infectionB virusCXCR4 coreceptorFPRL-1T cellsHuman CD4Homozygous donors