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
2019
A Positioning Device for the Placement of Mice During Intranasal siRNA Delivery to the Central Nervous System.
Ullah I, Chung K, Beloor J, Lee SK, Kumar P. A Positioning Device for the Placement of Mice During Intranasal siRNA Delivery to the Central Nervous System. Journal Of Visualized Experiments 2019 PMID: 31475960, DOI: 10.3791/59201.Peer-Reviewed Original ResearchConceptsCentral nervous systemBlood-brain barrierNervous systemIntranasal drug deliveryBody temperatureMin rest periodMouse body temperatureCNS uptakeReceptor-binding domainRabies virus glycoproteinCNS deliveryAnesthetized miceDominant handNondominant handMiceInhalationDelivery of siRNASiRNA approachDelivery of drugsRest periodHeating padMouse headAdministrationVirus glycoproteinForward position
2018
Small Interfering RNA-Mediated Control of Virus Replication in the CNS Is Therapeutic and Enables Natural Immunity to West Nile Virus
Beloor J, Maes N, Ullah I, Uchil P, Jackson A, Fikrig E, Lee SK, Kumar P. Small Interfering RNA-Mediated Control of Virus Replication in the CNS Is Therapeutic and Enables Natural Immunity to West Nile Virus. Cell Host & Microbe 2018, 23: 549-556.e3. PMID: 29606496, PMCID: PMC6074029, DOI: 10.1016/j.chom.2018.03.001.Peer-Reviewed Original ResearchConceptsWest Nile virusWNV infectionCell-mediated immune responsesLate-stage therapySubsequent WNV infectionWNV-infected miceLong-term immunityNile virusWNV E proteinViral burdenIntranasal routeVirus clearanceVirus infectionImmune responseMice succumbPeripheral tissuesNatural immunitySurvival rateDisease resultsDay 9Virus replicationInfectionImmunityCNSVirus
2007
Transvascular delivery of small interfering RNA to the central nervous system
Kumar P, Wu H, McBride JL, Jung KE, Hee Kim M, Davidson BL, Kyung Lee S, Shankar P, Manjunath N. Transvascular delivery of small interfering RNA to the central nervous system. Nature 2007, 448: 39-43. PMID: 17572664, DOI: 10.1038/nature05901.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBlood-Brain BarrierBrainCell LineDrug Delivery SystemsEncephalitis Virus, JapaneseEncephalitis, JapaneseGene SilencingGenetic VectorsGlycoproteinsGreen Fluorescent ProteinsHeLa CellsHumansLentivirusLiposomesMiceMice, Inbred BALB CMice, Inbred C57BLMice, Inbred NODMice, SCIDMolecular Sequence DataNeuronsOligopeptidesRabies virusReceptors, NicotinicRecombinant ProteinsRNA, Small InterferingSuperoxide DismutaseSuperoxide Dismutase-1Viral ProteinsConceptsRVG-9RBlood-brain barrierRabies virus glycoproteinNeuronal cellsTransvascular deliveryFatal viral encephalitisCentral nervous systemTherapeutic moleculesIntravenous treatmentViral encephalitisInflammatory cytokinesAntiviral siRNAIntravenous injectionNervous systemAcetylcholine receptorsNeurological diseasesAnti-peptide antibodiesChimaeric peptidesNoninvasive approachDelivery of siRNABrainSiRNAMiceVirus glycoproteinRobust protection