Featured Publications
In vivo imaging of retrovirus infection reveals a role for Siglec-1/CD169 in multiple routes of transmission
Haugh KA, Ladinsky MS, Ullah I, Stone HM, Pi R, Gilardet A, Grunst MW, Kumar P, Bjorkman PJ, Mothes W, Uchil PD. In vivo imaging of retrovirus infection reveals a role for Siglec-1/CD169 in multiple routes of transmission. ELife 2021, 10: e64179. PMID: 34223819, PMCID: PMC8298093, DOI: 10.7554/elife.64179.Peer-Reviewed Original ResearchConceptsSentinel macrophagesSiglec-1/CD169Immune surveillance functionCommon host factorMesenteric sacsPeyer's patchesGastrointestinal tractOral routeReporter virusRetrovirus transmissionRetrovirus infectionFrontline cellsRetroviral pathogenesisHost factorsBioluminescence imagingVirus entryIncoming virusInfectionRetrovirus life cycleCD169Early eventsMacrophagesMultiscale imaging approachVirusSurveillance functionRetroviruses use CD169-mediated trans-infection of permissive lymphocytes to establish infection
Sewald X, Ladinsky MS, Uchil PD, Beloor J, Pi R, Herrmann C, Motamedi N, Murooka TT, Brehm MA, Greiner DL, Shultz LD, Mempel TR, Bjorkman PJ, Kumar P, Mothes W. Retroviruses use CD169-mediated trans-infection of permissive lymphocytes to establish infection. Science 2015, 350: 563-567. PMID: 26429886, PMCID: PMC4651917, DOI: 10.1126/science.aab2749.Peer-Reviewed Original ResearchConceptsHuman immunodeficiency virusLymph nodesMurine leukemia virusCD169/SiglecSecondary lymphoid tissuesPermissive lymphocytesDendritic cellsImmunodeficiency virusSynaptic contactsLymphoid tissueRobust infectionVirological synapsesI-type lectinsRetroviral spreadViral spreadUninfected cellsInfectionLeukemia virusVirusMacrophagesCellsRetrovirusesCell-cell contactCD169LymphocytesTRIM E3 Ligases Interfere with Early and Late Stages of the Retroviral Life Cycle
Uchil PD, Quinlan BD, Chan WT, Luna JM, Mothes W. TRIM E3 Ligases Interfere with Early and Late Stages of the Retroviral Life Cycle. PLOS Pathogens 2008, 4: e16. PMID: 18248090, PMCID: PMC2222954, DOI: 10.1371/journal.ppat.0040016.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnti-Retroviral AgentsApoptosisAvian leukosis virusCell SurvivalGag Gene Products, Human Immunodeficiency VirusGene Expression Regulation, ViralGene SilencingHeLa CellsHIVHost-Pathogen InteractionsHumansLeukemia Virus, MurineMiceRetroviridaeUbiquitin-Protein LigasesVirus ReplicationConceptsHuman immunodeficiency virus-1Viral life cycleMurine leukemia virusAvian leukosis virusImmunodeficiency virus-1Antiretroviral activityHIV entryTRIM proteinsAntiviral activityLater stagesVirus 1TRIM11Virus releaseViral releaseLeukemia virusRetroviral life cycleHEK293 cellsLeukosis virusVirusComprehensive screenReleaseCellsProtein
2019
In vivo Imaging-Driven Approaches to Study Virus Dissemination and Pathogenesis
Uchil PD, Haugh KA, Pi R, Mothes W. In vivo Imaging-Driven Approaches to Study Virus Dissemination and Pathogenesis. Annual Review Of Virology 2019, 6: 1-24. PMID: 31283440, PMCID: PMC7217087, DOI: 10.1146/annurev-virology-101416-041429.Peer-Reviewed Original Research
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
2013
Cell-to-Cell Transmission Can Overcome Multiple Donor and Target Cell Barriers Imposed on Cell-Free HIV
Zhong P, Agosto LM, Ilinskaya A, Dorjbal B, Truong R, Derse D, Uchil PD, Heidecker G, Mothes W. Cell-to-Cell Transmission Can Overcome Multiple Donor and Target Cell Barriers Imposed on Cell-Free HIV. PLOS ONE 2013, 8: e53138. PMID: 23308151, PMCID: PMC3538641, DOI: 10.1371/journal.pone.0053138.Peer-Reviewed Original ResearchConceptsCell-free human immunodeficiency virusHuman immunodeficiency virusTarget cell typeCell transmissionTarget T cellsCell-free virusCell-free modeRestriction factor tetherinCell typesViral replication cycleHIV transmissionImmunodeficiency virusHIV cellT cellsTarget cellsDonor cellsVirus transmissionCell barrierPermissive cellsVirusProviral contentMultiple donorsReplication cycleCell contactExtracellular space
2008
Retroviruses Human Immunodeficiency Virus and Murine Leukemia Virus Are Enriched in Phosphoinositides
Chan R, Uchil PD, Jin J, Shui G, Ott DE, Mothes W, Wenk MR. Retroviruses Human Immunodeficiency Virus and Murine Leukemia Virus Are Enriched in Phosphoinositides. Journal Of Virology 2008, 82: 11228-11238. PMID: 18799574, PMCID: PMC2573248, DOI: 10.1128/jvi.00981-08.Peer-Reviewed Original ResearchConceptsPlasma membraneMurine leukemia virusHIV-1 buddingLipid contentLeukemia virusMass spectrometry analysisCholesterol-rich regionsOverall lipid contentCell peripheryMutant virionsLipid envelopeTotal lipid contentPhosphorylated derivativesSpectrometry analysisPhosphoinositideRetrovirusesMembraneCellsMatrix domainParticle releaseHuman immunodeficiency virus type 1Immunodeficiency virus type 1VirusVirus type 1PhosphatidylinositolRNA interference screen for human genes associated with West Nile virus infection
Krishnan MN, Ng A, Sukumaran B, Gilfoy FD, Uchil PD, Sultana H, Brass AL, Adametz R, Tsui M, Qian F, Montgomery RR, Lev S, Mason PW, Koski RA, Elledge SJ, Xavier RJ, Agaisse H, Fikrig E. RNA interference screen for human genes associated with West Nile virus infection. Nature 2008, 455: 242-245. PMID: 18690214, PMCID: PMC3136529, DOI: 10.1038/nature07207.Peer-Reviewed Original ResearchMeSH KeywordsComputational BiologyDengue VirusEndoplasmic ReticulumGene Expression ProfilingGenome, HumanHeLa CellsHIVHumansImmunityMonocarboxylic Acid TransportersMuscle ProteinsProtein BindingRNA InterferenceUbiquitinationUbiquitin-Protein LigasesVesiculovirusVirus ReplicationWest Nile FeverWest Nile virus
2003
Screening for T cell-eliciting proteins of Japanese encephalitis virus in a healthy JE-endemic human cohort using recombinant baculovirus-infected insect cell preparations
Kumar P, Uchil PD, Sulochana P, Nirmala G, Chandrashekar R, Haridattatreya M, Satchidanandam V. Screening for T cell-eliciting proteins of Japanese encephalitis virus in a healthy JE-endemic human cohort using recombinant baculovirus-infected insect cell preparations. Archives Of Virology 2003, 148: 1569-1591. PMID: 12898332, DOI: 10.1007/s00705-003-0118-5.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, ViralBaculoviridaeCells, CulturedCohort StudiesEncephalitis Virus, JapaneseEncephalitis, JapaneseEndemic DiseasesFemaleHumansImmunologic MemoryLymphocyte ActivationMaleRecombinant ProteinsRNA HelicasesSerine EndopeptidasesSpodopteraT-LymphocytesViral Nonstructural ProteinsViral ProteinsConceptsJapanese encephalitis virusCell-mediated immune responsesT cell responsesImmune responseJEV infectionT cellsCell responsesEncephalitis virusAdaptive T cell responsesHuman cohortsTh1 immune responseMemory T cellsCell preparationsImmune controlHealthy individualsCohortWhole cell preparationsViral proteinsInfectionNS3 proteinImportant targetVirusCritical determinantNS1NS5 protein