2024
Intestinal 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, PMCID: PMC11555782, 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
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
2016
Pathogenesis of Korean SapelovirusA in piglets and chicks
Kim D, Kang M, Son K, Bak G, Park J, Hosmillo M, Seo J, Kim J, Alfajaro M, Soliman M, Baek Y, Cho E, Lee J, Kwon J, Choi J, Goodfellow I, Cho K. Pathogenesis of Korean SapelovirusA in piglets and chicks. Journal Of General Virology 2016, 97: 2566-2574. PMID: 27487773, PMCID: PMC5078829, DOI: 10.1099/jgv.0.000571.Peer-Reviewed Original ResearchConceptsExtra-intestinal organsHigher viral RNA levelsNon-suppurative myelitisViral RNA levelsReal-time reverse transcription PCRCells of pigsIntestinal pathologyReverse transcription-PCRViral antigensViral pathogenesisReproductive disordersSapelovirus APathogenesisPorcine sapelovirusVirus entryCultured cell linesRNA levelsEpithelial cellsTranscription-PCRFecal samplesPigletsPneumoniaCell linesSialic acidPathology
2012
Pathogenicity characterization of a bovine triple reassortant rotavirus in calves and piglets
Kim H, Park J, Alfajaro M, Kim D, Hosmillo M, Son K, Lee J, Bae Y, Park S, Kang M, Cho K. Pathogenicity characterization of a bovine triple reassortant rotavirus in calves and piglets. Veterinary Microbiology 2012, 159: 11-22. PMID: 22465801, DOI: 10.1016/j.vetmic.2012.03.017.Peer-Reviewed Original ResearchConceptsExtra-intestinal organsMesenteric lymph nodesCross-species pathogenicityReassortant rotavirusesLymph nodesIntestinal pathologyPersistent severe diarrheaSevere intestinal pathologyExtra-intestinal infectionsDiarrhea fecal samplesReal-time RT-PCRGreen real-time RT-PCRSYBR Green real-time RT-PCRSevere diarrheaCerebrospinal fluidChoroid plexusViral replicationRotavirusRT-PCRViral RNAFecal samplesPigletsDiarrheaPublic healthPathology