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
2020
Experimental Evolution of Human Rhinovirus Strains Adapting to Mouse Cells
Wasik B, Wasik B, Foxman E, Iwasaki A, Turner P. Experimental Evolution of Human Rhinovirus Strains Adapting to Mouse Cells. Genetic And Evolutionary Computation 2020, 145-157. DOI: 10.1007/978-3-030-39831-6_12.Peer-Reviewed Original ResearchMouse cellsIdentical selection pressuresExperimental evolution studiesLaboratory tissue cultureCommon cold illnessesViral capsid geneMolecular divergenceExperimental evolutionReplication genesSelection pressureRelated populationsGenetic changesRNA virusesHuman rhinovirus strainsCapsid geneEvolution studiesRV-1BInnate immunityGenesTissue cultureDifferent strainsCellsLA-4 cellsHostMouse host
2009
Autophagy and Innate Recognition Systems
Tal MC, Iwasaki A. Autophagy and Innate Recognition Systems. Current Topics In Microbiology And Immunology 2009, 335: 107-121. PMID: 19802562, DOI: 10.1007/978-3-642-00302-8_5.Peer-Reviewed Original ResearchConceptsAutophagic machineryInnate immune systemDouble-membrane structureViral replication complexProcess of autophagyImportant physiological processesInduction of autophagyInnate recognition systemsCellular homeostasisReplication complexPattern recognition receptorsAutophagy pathwayLysosomal degradationPhysiological processesCytosolic constituentsEfficient phagocytosisInnate pattern recognition receptorsRNA virusesAutophagyCytosolic sensorsKey moleculesExtracellular pathogensRecognition receptorsImmune systemViral sensorsAutophagic control of RLR signaling
Tal MC, Iwasaki A. Autophagic control of RLR signaling. Autophagy 2009, 5: 749-750. PMID: 19571662, PMCID: PMC3693554, DOI: 10.4161/auto.5.5.8789.Peer-Reviewed Original ResearchConceptsAbsence of autophagyReactive oxygen speciesPattern recognition receptorsRetinoic acid-inducible gene IAcid-inducible gene IATG5 knockout cellsImportance of autophagyInducible gene IPotent antiviral factorsLike receptor familyI interferonCytosolic signalingKnockout cellsCellular organellesAutophagy functionAutophagic controlGene IRNA virusesAutophagyReceptor familyType I interferonMitochondriaAntiviral factorsRecognition receptorsInfected cellsAbsence of autophagy results in reactive oxygen species-dependent amplification of RLR signaling
Tal MC, Sasai M, Lee HK, Yordy B, Shadel GS, Iwasaki A. Absence of autophagy results in reactive oxygen species-dependent amplification of RLR signaling. Proceedings Of The National Academy Of Sciences Of The United States Of America 2009, 106: 2770-2775. PMID: 19196953, PMCID: PMC2650341, DOI: 10.1073/pnas.0807694106.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAutophagyAutophagy-Related Protein 5Cells, CulturedDEAD Box Protein 58DEAD-box RNA HelicasesDNA, MitochondrialEnzyme-Linked Immunosorbent AssayFlow CytometryInterferon Type IMacrophagesMiceMicrotubule-Associated ProteinsMitochondriaReactive Oxygen SpeciesReverse Transcriptase Polymerase Chain ReactionSignal TransductionConceptsReactive oxygen speciesDysfunctional mitochondriaInnate antiviral defenseAntiviral defenseKey antiviral cytokinesAbsence of autophagyMitochondrial reactive oxygen speciesHomeostatic regulationRole of autophagyTreatment of cellsIPS-1RLR signalingVesicular stomatitis virusAutophagy resultsRNA virusesWT cellsMitochondriaAutophagyType I IFNStomatitis virusRLRLike receptorsOxygen speciesNeurodegenerative diseasesInflammatory disorders
2007
Role 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
2004
Recognition of single-stranded RNA viruses by Toll-like receptor 7
Lund JM, Alexopoulou L, Sato A, Karow M, Adams NC, Gale NW, Iwasaki A, Flavell RA. Recognition of single-stranded RNA viruses by Toll-like receptor 7. Proceedings Of The National Academy Of Sciences Of The United States Of America 2004, 101: 5598-5603. PMID: 15034168, PMCID: PMC397437, DOI: 10.1073/pnas.0400937101.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAnimalsAntigens, DifferentiationBone Marrow CellsChick EmbryoChloroquineCytokinesDendritic CellsEndosomesInterferon-alphaMacrophagesMembrane GlycoproteinsMiceMice, KnockoutMyeloid Differentiation Factor 88OrthomyxoviridaePeritoneumReceptors, Cell SurfaceReceptors, ImmunologicRhabdoviridae InfectionsRNA, ViralSpleenToll-Like Receptor 7Vesicular stomatitis Indiana virusConceptsVesicular stomatitis virusRNA virusesHigh CpG contentGenomes of virusesToll-like receptorsStomatitis virusMammalian genomesGenomic nucleic acidsAdaptor protein MyD88Endocytic pathwayLigand recognitionCpG contentViral infectionTLR adaptor protein MyD88Innate immune responseToll-like receptor 7Molecular signaturesPlasmacytoid dendritic cellsInnate immune cellsProduction of cytokinesGenomeProtein MyD88Types of pathogensNucleic acidsVivo infection