2022
Unadjuvanted intranasal spike vaccine elicits protective mucosal immunity against sarbecoviruses
Mao T, Israelow B, Peña-Hernández MA, Suberi A, Zhou L, Luyten S, Reschke M, Dong H, Homer RJ, Saltzman WM, Iwasaki A. Unadjuvanted intranasal spike vaccine elicits protective mucosal immunity against sarbecoviruses. Science 2022, 378: eabo2523. PMID: 36302057, PMCID: PMC9798903, DOI: 10.1126/science.abo2523.Peer-Reviewed Original ResearchConceptsRespiratory mucosaSystemic immunityLethal SARS-CoV-2 infectionAcute respiratory syndrome coronavirus 2 pandemicSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemicSARS-CoV-2 infectionProtective mucosal immunityCross-reactive immunityT cell responsesCoronavirus 2 pandemicPrimary vaccinationParenteral vaccinesMucosal immunityVaccine strategiesRespiratory tractImmunoglobulin AMemory BImmune memoryPartial immunityCell responsesPoor immunityImmunitySpike proteinMucosaVaccineOperation Nasal Vaccine—Lightning speed to counter COVID-19
Topol EJ, Iwasaki A. Operation Nasal Vaccine—Lightning speed to counter COVID-19. Science Immunology 2022, 7: eadd9947. PMID: 35862488, DOI: 10.1126/sciimmunol.add9947.Peer-Reviewed Original Research
2021
Prevention of host-to-host transmission by SARS-CoV-2 vaccines
Mostaghimi D, Valdez CN, Larson HT, Kalinich CC, Iwasaki A. Prevention of host-to-host transmission by SARS-CoV-2 vaccines. The Lancet Infectious Diseases 2021, 22: e52-e58. PMID: 34534512, PMCID: PMC8439617, DOI: 10.1016/s1473-3099(21)00472-2.Peer-Reviewed Original ResearchConceptsSARS-CoV-2SARS-CoV-2 vaccinesSymptomatic COVID-19Population-level dataVaccine's abilityIntramuscular vaccineImmunological mechanismsVaccine strategiesVaccine capacityPrimary infectionNatural courseClinical trialsObservational studyRespiratory epitheliumReal-world settingViral titresViral replicationVaccineVaccine distributionInfectionCOVID-19Host transmissionTrialsPopulation-level effectsMucosa
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
2016
O-linked sugars sound the alarm
Gopinath S, Kumamoto Y, Iwasaki A. O-linked sugars sound the alarm. Nature Immunology 2016, 17: 119-120. PMID: 26784258, DOI: 10.1038/ni.3364.Peer-Reviewed Original Research
2012
Unique features of antiviral immune system of the vaginal mucosa
Kumamoto Y, Iwasaki A. Unique features of antiviral immune system of the vaginal mucosa. Current Opinion In Immunology 2012, 24: 411-416. PMID: 22673876, PMCID: PMC3423557, DOI: 10.1016/j.coi.2012.05.006.Peer-Reviewed Original ResearchConceptsVaginal mucosaVirus-specific CD4Development of vaccinesAntiviral immune systemHuman papillomavirusGenital tractT cellsImmune responseAdaptive immunityHuman vaccinesMucosal organsImmune systemVaccineAntiviral defenseMucosaVaginaVirusRecent studiesWide spectrumVast majorityCurrent understandingCD8CD4PapillomavirusImmunobiology
2008
Dendritic cells and macrophages in the genitourinary tract
Iijima N, Thompson J, Iwasaki A. Dendritic cells and macrophages in the genitourinary tract. Mucosal Immunology 2008, 1: 451-459. PMID: 19079212, PMCID: PMC2684461, DOI: 10.1038/mi.2008.57.Peer-Reviewed Original ResearchConceptsAntigen-presenting cellsDendritic cellsGenitourinary tractGU tractUnderstanding of DCsSubsets of DCsImmune defenseFemale genital mucosaInnate immune defenseGenital mucosaMaternal toleranceSex hormonesAdaptive immunityReproductive functionMacrophagesTractNumerous agentsSTIsImportant reproductive functionsCellsDivergent rolesMucosaFetusesInfectionHormoneT helper dependent CTL migration into the vaginal mucosa
Nakanishi Y, Lu B, Gerard C, Iwasaki A. T helper dependent CTL migration into the vaginal mucosa. The FASEB Journal 2008, 22: 852.5-852.5. DOI: 10.1096/fasebj.22.1_supplement.852.5.Peer-Reviewed Original ResearchCD4 helpCTL migrationVaginal mucosaIFN-inducible chemokinesIFN-γ productionSecretion of IFNChemokine receptor CXCR3Site of infectionAntiviral host defenseMucosal sitesChemokine secretionReceptor CXCR3T helpT lymphocytesVirus infectionVaginal epitheliumHelpless miceMouse modelMucosal tissuesHost defenseVirus 2InfectionInfection siteMucosaSecretion
1999
I. Mucosal dendritic cells: their specialized role in initiating T cell responses*
Iwasaki A, Kelsall B. I. Mucosal dendritic cells: their specialized role in initiating T cell responses*. American Journal Of Physiology 1999, 276: g1074-g1078. PMID: 10329996, DOI: 10.1152/ajpgi.1999.276.5.g1074.Peer-Reviewed Original ResearchConceptsT cell responsesMucosal dendritic cellsDendritic cellsCell responsesCompetent antigen-presenting cellsPrimary T cell responsesTissue-resident dendritic cellsResident dendritic cellsAntigen-presenting cellsDC populationsLymphoid tissueRecent studiesCellsFunctional studiesResponseMucosaIsolation procedureSpecialized role