2021
Evolving A RIG-I Antagonist: A Modified DNA Aptamer Mimics Viral RNA
Ren X, Gelinas AD, Linehan M, Iwasaki A, Wang W, Janjic N, Pyle A. Evolving A RIG-I Antagonist: A Modified DNA Aptamer Mimics Viral RNA. Journal Of Molecular Biology 2021, 433: 167227. PMID: 34487794, DOI: 10.1016/j.jmb.2021.167227.Peer-Reviewed Original ResearchMeSH KeywordsAntigens, ViralAptamers, NucleotideBinding SitesCloning, MolecularCrystallography, X-RayDEAD Box Protein 58Escherichia coliGene ExpressionGenetic VectorsHumansImmunologic FactorsKineticsModels, MolecularMolecular MimicryMutationNucleic Acid ConformationProtein BindingProtein Conformation, alpha-HelicalProtein Conformation, beta-StrandProtein Interaction Domains and MotifsReceptors, ImmunologicRecombinant ProteinsRNA, ViralSELEX Aptamer TechniqueConceptsHigh-resolution crystal structuresResolution crystal structureRIG-I receptorResult of mutationsSame amino acidsVertebrate organismsProtein receptorsInnate immune receptorsRNA virusesImmune receptorsAmino acidsTool compoundsViral ligandsViral RNAImportant receptorPathogenic moleculesGeneralizable strategyDNA aptamersMolecular mimicryCentral roleDisease statesReceptorsTerminusRNAOrganisms
2017
Fetal Growth Restriction Caused by Sexual Transmission of Zika Virus in Mice
Uraki R, Jurado KA, Hwang J, Szigeti-Buck K, Horvath TL, Iwasaki A, Fikrig E. Fetal Growth Restriction Caused by Sexual Transmission of Zika Virus in Mice. The Journal Of Infectious Diseases 2017, 215: 1720-1724. PMID: 28472297, PMCID: PMC5853330, DOI: 10.1093/infdis/jix204.Peer-Reviewed Original ResearchConceptsZika virusSexual transmissionWeight of fetusesFetal growth restrictionNaive female miceType I interferon receptorEmbryonic day 18.5Female miceGrowth restrictionMale miceOcular deformityMosquito bitesControl groupDay 18.5Fetal abnormalitiesSexual contactInterferon receptorMiceFetusesInfected malesVirusDeformityAbnormalitiesReceptorsTAM Receptors Are Not Required for Zika Virus Infection in Mice
Hastings AK, Yockey LJ, Jagger BW, Hwang J, Uraki R, Gaitsch HF, Parnell LA, Cao B, Mysorekar IU, Rothlin CV, Fikrig E, Diamond MS, Iwasaki A. TAM Receptors Are Not Required for Zika Virus Infection in Mice. Cell Reports 2017, 19: 558-568. PMID: 28423319, PMCID: PMC5485843, DOI: 10.1016/j.celrep.2017.03.058.Peer-Reviewed Original ResearchConceptsTAM receptorsZika virusAbsence of IFNARGlobal public health concernNon-pregnant miceZika virus infectionAdult female micePublic health concernZIKV entryZIKV infectionFemale miceViral inoculationZIKV replicationMertk (TAM) receptorsYoung miceVirus infectionEntry receptorViral titersViral replicationCell tropismInfectionHealth concernMiceAxlReceptors
2013
IL-1R signaling in dendritic cells replaces pattern-recognition receptors in promoting CD8+ T cell responses to influenza A virus
Pang IK, Ichinohe T, Iwasaki A. IL-1R signaling in dendritic cells replaces pattern-recognition receptors in promoting CD8+ T cell responses to influenza A virus. Nature Immunology 2013, 14: 246-253. PMID: 23314004, PMCID: PMC3577947, DOI: 10.1038/ni.2514.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCD8-Positive T-LymphocytesCell DifferentiationCell MovementDendritic CellsInfluenza A virusInterleukin-1Lymphocyte ActivationMembrane GlycoproteinsMembrane ProteinsMiceMice, Inbred C57BLMice, KnockoutMyeloid Differentiation Factor 88Nerve Tissue ProteinsOrthomyxoviridae InfectionsReceptors, CCR7Receptors, Cell SurfaceReceptors, Interleukin-1Receptors, Pattern RecognitionSignal TransductionToll-Like Receptor 7
2012
MyD88 signalling in colonic mononuclear phagocytes drives colitis in IL-10-deficient mice
Hoshi N, Schenten D, Nish SA, Walther Z, Gagliani N, Flavell RA, Reizis B, Shen Z, Fox JG, Iwasaki A, Medzhitov R. MyD88 signalling in colonic mononuclear phagocytes drives colitis in IL-10-deficient mice. Nature Communications 2012, 3: 1120. PMID: 23047678, PMCID: PMC3521499, DOI: 10.1038/ncomms2113.Peer-Reviewed Original ResearchConceptsToll-like receptorsInterleukin-10Mononuclear phagocytesIL-10-deficient miceT helper 17 responsesColonic mononuclear phagocytesDevelopment of colitisInflammatory bowel diseaseColitis developmentBowel diseaseInterleukin-23MyD88 expressionInterleukin-1βInterleukin-6Intestinal homeostasisEpithelial expressionMyD88Multiple cell typesMiceCell typesReceptorsPhagocytesBacterial sensingDistinct populationsHigh levelsPhagosome as the Organelle Linking Innate and Adaptive Immunity
Kagan JC, Iwasaki A. Phagosome as the Organelle Linking Innate and Adaptive Immunity. Traffic 2012, 13: 1053-1061. PMID: 22577865, PMCID: PMC3658133, DOI: 10.1111/j.1600-0854.2012.01377.x.Peer-Reviewed Original ResearchConceptsProcess of phagocytosisPhagosome traffickingAdaptive immunityAntimicrobial defense mechanismsDefinable unitSubcellular levelT cell-mediated immunityAdaptive immune systemDefense mechanismsToll-like receptorsPhagosomesPhagocytosisImmune systemImmunityMicrobesTraffickingAutophagyPathwayReceptorsInnate
2010
Regulation of Adaptive Immunity by the Innate Immune System
Iwasaki A, Medzhitov R. Regulation of Adaptive Immunity by the Innate Immune System. Science 2010, 327: 291-295. PMID: 20075244, PMCID: PMC3645875, DOI: 10.1126/science.1183021.Peer-Reviewed Original ResearchConceptsInnate immune recognitionB lymphocyte-mediated immune responsesImmune responsePattern recognition receptorsImmune recognitionAntigen-specific adaptive immune responsesLymphocyte-mediated immune responsesMicrobial pathogensInnate immune systemAdaptive immune responsesRecognition receptorsHost defenseField of immunologyAdaptive immunityImmune systemFundamental questionsReceptorsRegulationPathwayPathogensInvasionDefenseInjuryInfectionDiscovery
2007
Toll-like receptors regulation of viral infection and disease
Thompson JM, Iwasaki A. Toll-like receptors regulation of viral infection and disease. Advanced Drug Delivery Reviews 2007, 60: 786-794. PMID: 18280610, PMCID: PMC2410298, DOI: 10.1016/j.addr.2007.11.003.Peer-Reviewed Original ResearchConceptsToll-like receptorsVirus infectionRole of TLRsProtective anti-viral immunityToll-like receptor regulationAdaptive immune responsesAnti-viral immunityMammalian Toll-like receptorsVirus-induced diseaseViral nucleic acidsStudies of miceTLR activationInteraction of virusImmune responseViral infectionTLR systemTLR proteinsReceptor regulationInfectionDiseaseOutcomesCritical roleMiceImmunityReceptorsRole of Autophagy in Innate Viral Recognition
Iwasaki A. Role of Autophagy in Innate Viral Recognition. Autophagy 2007, 3: 354-356. PMID: 17404496, DOI: 10.4161/auto.4114.Peer-Reviewed Original ResearchConceptsPlasmacytoid dendritic cellsToll-like receptorsI interferonViral recognitionLive viral infectionType I interferonRole of autophagyPDC responsesDendritic cellsViral infectionViral replicationTLR7Pathogen signaturesVirusSuch virusesVirus detectionAutophagyRNA virusesRecent studiesInterferonInfectionSsRNA virusesSecretionReceptorsAutophagy-Dependent Viral Recognition by Plasmacytoid Dendritic Cells
Lee HK, Lund JM, Ramanathan B, Mizushima N, Iwasaki A. Autophagy-Dependent Viral Recognition by Plasmacytoid Dendritic Cells. Science 2007, 315: 1398-1401. PMID: 17272685, DOI: 10.1126/science.1136880.Peer-Reviewed Original ResearchConceptsPlasmacytoid dendritic cellsToll-like receptorsDendritic cellsInterferon-alpha secretionLive viral infectionPDC responsesViral infectionViral recognitionViral replicationPathogen signaturesTLR7VirusSuch virusesVirus detectionProcess of autophagyAutophagyRNA virusesCellsInfectionPresent evidenceSecretionReceptors