2022
Gut microbiome dysbiosis in antibiotic-treated COVID-19 patients is associated with microbial translocation and bacteremia
Bernard-Raichon L, Venzon M, Klein J, Axelrad J, Zhang C, Sullivan A, Hussey G, Casanovas-Massana A, Noval M, Valero-Jimenez A, Gago J, Putzel G, Pironti A, Wilder E, Thorpe L, Littman D, Dittmann M, Stapleford K, Shopsin B, Torres V, Ko A, Iwasaki A, Cadwell K, Schluter J. Gut microbiome dysbiosis in antibiotic-treated COVID-19 patients is associated with microbial translocation and bacteremia. Nature Communications 2022, 13: 5926. PMID: 36319618, PMCID: PMC9626559, DOI: 10.1038/s41467-022-33395-6.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnti-Bacterial AgentsBacteremiaBacteriaCoinfectionCOVID-19DysbiosisGastrointestinal MicrobiomeMiceSARS-CoV-2ConceptsGut microbiome dysbiosisCOVID-19 patientsMicrobiome dysbiosisSecondary infectionSARS-CoV-2 infection inducesLife-threatening secondary infectionsTranslocation of bacteriaBlood culture resultsCOVID-19 severityAntimicrobial-resistant speciesCOVID-19Different clinical sitesMicrobial translocationBloodstream infectionsInfection inducesBarrier permeabilitySystemic circulationDysbiosisGoblet cellsPaneth cellsClinical sitesCulture resultsPatient healthGut microbiomePatients
2020
Cutting Edge: The Use of Topical Aminoglycosides as an Effective Pull in "Prime and Pull" Vaccine Strategy.
Gopinath S, Lu P, Iwasaki A. Cutting Edge: The Use of Topical Aminoglycosides as an Effective Pull in "Prime and Pull" Vaccine Strategy. The Journal Of Immunology 2020, 204: 1703-1707. PMID: 32122994, DOI: 10.4049/jimmunol.1900462.Peer-Reviewed Original ResearchConceptsTissue-resident memory T cellsGenital herpes infectionMemory T cellsT cellsHerpes infectionVirus-specific effector T cellsVaginal applicationTopical vaginal applicationCD8 T cellsEffector T cellsProtective immune responseSingle topical applicationTopical aminoglycosidesGenital mucosaChemokine expressionVaccine strategiesImmune responseVaginal mucosaTopical applicationBarrier tissuesMiceRobust activationAminoglycoside antibioticsMucosaInfection
2018
Topical application of aminoglycoside antibiotics enhances host resistance to viral infections in a microbiota-independent manner
Gopinath S, Kim MV, Rakib T, Wong PW, van Zandt M, Barry NA, Kaisho T, Goodman AL, Iwasaki A. Topical application of aminoglycoside antibiotics enhances host resistance to viral infections in a microbiota-independent manner. Nature Microbiology 2018, 3: 611-621. PMID: 29632368, PMCID: PMC5918160, DOI: 10.1038/s41564-018-0138-2.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, TopicalAminoglycosidesAnimalsAnti-Bacterial AgentsDisease Models, AnimalGene Expression ProfilingGene Expression RegulationGerm-Free LifeHumansInfluenza A virusMiceMicrobiotaOligonucleotide Array Sequence AnalysisSimplexvirusToll-Like Receptor 3Transcription FactorsVirus DiseasesVirus ReplicationZika VirusConceptsToll-like receptor 3Aminoglycoside treatmentInterferon-stimulated genesViral infectionReceptor 3ISG inductionAminoglycoside antibioticsMicrobiota-independent mannerGerm-free miceAdapter-inducing interferonInterferon regulatory factor 3Herpes simplex virusTopical mucosal applicationRegulatory factor 3Dendritic cellsAntibiotic useAntiviral effectAminoglycoside applicationHost resistanceSimplex virusAntiviral resistanceVaginal mucosaMarked upregulationMucosal applicationTopical application
2011
Microbiota regulates immune defense against respiratory tract influenza A virus infection
Ichinohe T, Pang IK, Kumamoto Y, Peaper DR, Ho JH, Murray TS, Iwasaki A. Microbiota regulates immune defense against respiratory tract influenza A virus infection. Proceedings Of The National Academy Of Sciences Of The United States Of America 2011, 108: 5354-5359. PMID: 21402903, PMCID: PMC3069176, DOI: 10.1073/pnas.1019378108.Peer-Reviewed Original ResearchConceptsInfluenza virus infectionVirus infectionDendritic cellsImmune responseCommensal bacteriaRespiratory influenza virus infectionToll-like receptor ligandsVirus-specific CD4CD8 T cellsT cell primingCommensal microbiota compositionProductive immune responseExpression of mRNADistal injectionLymph nodesImmune impairmentIntact microbiotaIL-1βAntibody responseImmune homeostasisRespiratory mucosaAntibiotic treatmentT cellsInflammasome activationCommensal microbiota