2024
SARS-CoV-2-related bat viruses evade human intrinsic immunity but lack efficient transmission capacity
Peña-Hernández M, Alfajaro M, Filler R, Moriyama M, Keeler E, Ranglin Z, Kong Y, Mao T, Menasche B, Mankowski M, Zhao Z, Vogels C, Hahn A, Kalinich C, Zhang S, Huston N, Wan H, Araujo-Tavares R, Lindenbach B, Homer R, Pyle A, Martinez D, Grubaugh N, Israelow B, Iwasaki A, Wilen C. SARS-CoV-2-related bat viruses evade human intrinsic immunity but lack efficient transmission capacity. Nature Microbiology 2024, 9: 2038-2050. PMID: 39075235, DOI: 10.1038/s41564-024-01765-z.Peer-Reviewed Original ResearchBat coronavirusesRelatives of SARS-CoV-2Upper airwayUpper airways of miceEpithelial cellsHuman nasal epithelial cellsAirways of miceMajor histocompatibility complex class I.SARS-CoV-2Nasal epithelial cellsHistocompatibility complex class I.Human bronchial epithelial cellsGenetic similarityBronchial epithelial cellsInnate immune restrictionCoronavirus replicationFunctional characterizationMolecular cloningReduced pathogenesisImpaired replicationBat virusCoronavirus pathogenesisPandemic potentialHigh-risk familiesImmune restrictionIntestinal tuft cell immune privilege enables norovirus persistence
Strine M, Fagerberg E, Darcy P, Barrón G, Filler R, Alfajaro M, D'Angelo-Gavrish N, Wang F, Graziano V, Menasché B, Damo M, Wang Y, Howitt M, Lee S, Joshi N, Mucida D, Wilen C. Intestinal tuft cell immune privilege enables norovirus persistence. Science Immunology 2024, 9: eadi7038. PMID: 38517952, DOI: 10.1126/sciimmunol.adi7038.Peer-Reviewed Original ResearchConceptsCD8<sup>+</sup> T cellsIntestinal tuft cellsT cellsTufted cellsViral persistenceSite of viral persistenceChemosensory epithelial cellsNormal antigen presentationImmune-privileged nicheIntestinal stem cellsMemory phenotypeImmune privilegeImmune escapeReporter miceAntigen presentationChronic infectionCytotoxic capacityEpithelial cellsNorovirus infectionStem cellsCell interactionsInfectionCell survivalEnteric microbesCells
2023
IFN-λ derived from nonsusceptible enterocytes acts on tuft cells to limit persistent norovirus
Ingle H, Makimaa H, Aggarwal S, Deng H, Foster L, Li Y, Kennedy E, Peterson S, Wilen C, Lee S, Suthar M, Baldridge M. IFN-λ derived from nonsusceptible enterocytes acts on tuft cells to limit persistent norovirus. Science Advances 2023, 9: eadi2562. PMID: 37703370, PMCID: PMC10499323, DOI: 10.1126/sciadv.adi2562.Peer-Reviewed Original ResearchConceptsIntestinal epithelial cellsTuft cellsUninfected bystander cellsIFN-λ signalingSource of IFNImmune cellsIntestinal infectionsLeading causeViral gastroenteritisMNoVNorovirus pathogenesisCellular tropismPotent antiviralEpidemic viral gastroenteritisEpithelial cellsBystander cellsIFNNorovirusAntiviralsInfectionMurine norovirusIntercellular communicationPersistent strainsCellsVivo
2021
CD300lf Conditional Knockout Mouse Reveals Strain-Specific Cellular Tropism of Murine Norovirus
Graziano VR, Alfajaro MM, Schmitz CO, Filler RB, Strine MS, Wei J, Hsieh LL, Baldridge MT, Nice TJ, Lee S, Orchard RC, Wilen CB. CD300lf Conditional Knockout Mouse Reveals Strain-Specific Cellular Tropism of Murine Norovirus. Journal Of Virology 2021, 95: 10.1128/jvi.01652-20. PMID: 33177207, PMCID: PMC7925115, DOI: 10.1128/jvi.01652-20.Peer-Reviewed Original ResearchConceptsConditional knockout miceIntestinal epithelial cellsCell tropismKnockout miceTuft cellsDendritic cellsMyelomonocytic cellsB cellsCellular tropismMurine norovirusEpithelial cellsViral RNA levelsInnate immune responseCause of gastroenteritisMNoV infectionCell typesViral loadGastrointestinal infectionsReceptor expressionImmunocompetent humansImmune responseCell type-specific rolesMouse modelIntestinal tissueMNoV
2018
Tropism for tuft cells determines immune promotion of norovirus pathogenesis
Wilen CB, Lee S, Hsieh LL, Orchard RC, Desai C, Hykes BL, McAllaster MR, Balce DR, Feehley T, Brestoff JR, Hickey CA, Yokoyama CC, Wang YT, MacDuff DA, Kreamalmayer D, Howitt MR, Neil JA, Cadwell K, Allen PM, Handley SA, van Lookeren Campagne M, Baldridge MT, Virgin HW. Tropism for tuft cells determines immune promotion of norovirus pathogenesis. Science 2018, 360: 204-208. PMID: 29650672, PMCID: PMC6039974, DOI: 10.1126/science.aar3799.Peer-Reviewed Original ResearchConceptsVirus infectionImmune promotionTuft cellsType 2 cytokinesEnteric virus infectionEnteric viral infectionsIntestinal epithelial cellsMNoV infectionNorovirus infectionCommensal microbiotaHost immunityViral infectionNorovirus pathogenesisRare typeImmune systemCellular tropismInfectionMouse intestineTarget cellsEpithelial cellsCell proliferationCytokinesTropismCD300lfCells
2017
Norovirus Cell Tropism Is Determined by Combinatorial Action of a Viral Non-structural Protein and Host Cytokine
Lee S, Wilen CB, Orvedahl A, McCune BT, Kim KW, Orchard RC, Peterson ST, Nice TJ, Baldridge MT, Virgin HW. Norovirus Cell Tropism Is Determined by Combinatorial Action of a Viral Non-structural Protein and Host Cytokine. Cell Host & Microbe 2017, 22: 449-459.e4. PMID: 28966054, PMCID: PMC5679710, DOI: 10.1016/j.chom.2017.08.021.Peer-Reviewed Original ResearchConceptsIntestinal epithelial cellsViral surface proteinsCellular tropismPersistent viral infectionNon-structural protein NS1Expression of NS1MNoV infectionSurface proteinsHost cytokinesAntiviral immunityHost determinantsInterferon lambdaViral infectionKey host determinantsViral non-structural proteinsCell tropismFecal sheddingNon-structural proteinsTropism determinantsEpithelial cellsGlobal causeInfectionTropismProtein NS1MNoV