2023
Polymer nanoparticles deliver mRNA to the lung for mucosal vaccination
Suberi A, Grun M, Mao T, Israelow B, Reschke M, Grundler J, Akhtar L, Lee T, Shin K, Piotrowski-Daspit A, Homer R, Iwasaki A, Suh H, Saltzman W. Polymer nanoparticles deliver mRNA to the lung for mucosal vaccination. Science Translational Medicine 2023, 15: eabq0603. PMID: 37585505, PMCID: PMC11137749, DOI: 10.1126/scitranslmed.abq0603.Peer-Reviewed Original ResearchConceptsSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2Respiratory syndrome coronavirus 2Lethal viral challengeAntigen-presenting cellsSyndrome coronavirus 2Humoral adaptive immunityLung-targeting deliveryIntranasal vaccinationMucosal vaccinationPulmonary diseaseMucosal vaccinesSusceptible miceCoronavirus 2Viral challengeAdaptive immunityLungTranslational potentialMessenger RNA (mRNA) therapeuticsVaccinationMRNADeliveryTherapeuticsRNA therapeuticsTherapeutic delivery
2022
No evidence of fetal defects or anti-syncytin-1 antibody induction following COVID-19 mRNA vaccination
Lu-Culligan A, Tabachnikova A, Pérez-Then E, Tokuyama M, Lee HJ, Lucas C, Monteiro V, Miric M, Brache V, Cochon L, Muenker MC, Mohanty S, Huang J, Kang I, Dela Cruz C, Farhadian S, Campbell M, Yildirim I, Shaw AC, Ma S, Vermund SH, Ko AI, Omer SB, Iwasaki A. No evidence of fetal defects or anti-syncytin-1 antibody induction following COVID-19 mRNA vaccination. PLOS Biology 2022, 20: e3001506. PMID: 35609110, PMCID: PMC9129011, DOI: 10.1371/journal.pbio.3001506.Peer-Reviewed Original ResearchConceptsCOVID-19 mRNA vaccinationMRNA vaccinationEarly pregnancyFetal sizeCoronavirus disease 2019 (COVID-19) mRNA vaccinationSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2Respiratory syndrome coronavirus 2Maternal antibody statusAdverse neonatal outcomesSyndrome coronavirus 2Birth defectsPolyinosinic-polycytidylic acidCrown-rump lengthGross birth defectsUnvaccinated adultsMaternal illnessNeonatal outcomesVaccinated adultsAntibody statusTLR3 agonistEarly immunizationMurine pregnancyAntibody inductionCoronavirus 2
2021
Impact of Chronic HIV Infection on SARS-CoV-2 Infection, COVID-19 Disease and Vaccines
Yang Y, Iwasaki A. Impact of Chronic HIV Infection on SARS-CoV-2 Infection, COVID-19 Disease and Vaccines. Current HIV/AIDS Reports 2021, 19: 5-16. PMID: 34843064, PMCID: PMC8628277, DOI: 10.1007/s11904-021-00590-x.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 infectionSARS-CoV-2Human immune deficiency virus (HIV) infectionSARS-CoV-2 acute infectionImmune systemSevere acute respiratory syndrome coronavirus 2Severe SARS-CoV-2Acute respiratory syndrome coronavirus 2Respiratory syndrome coronavirus 2Chronic HIV infectionSyndrome coronavirus 2Effectiveness of vaccinesHost immune systemCOVID-19 diseaseRecent FindingsPeopleAntiretroviral therapyImmunological changesAcute infectionHIV infectionDisease complicationsPersistent inflammationCoronavirus 2Functional impairmentVirus infectionImmune responseHigh-resolution epitope mapping and characterization of SARS-CoV-2 antibodies in large cohorts of subjects with COVID-19
Haynes WA, Kamath K, Bozekowski J, Baum-Jones E, Campbell M, Casanovas-Massana A, Daugherty PS, Dela Cruz CS, Dhal A, Farhadian SF, Fitzgibbons L, Fournier J, Jhatro M, Jordan G, Klein J, Lucas C, Kessler D, Luchsinger LL, Martinez B, Catherine Muenker M, Pischel L, Reifert J, Sawyer JR, Waitz R, Wunder EA, Zhang M, Iwasaki A, Ko A, Shon J. High-resolution epitope mapping and characterization of SARS-CoV-2 antibodies in large cohorts of subjects with COVID-19. Communications Biology 2021, 4: 1317. PMID: 34811480, PMCID: PMC8608966, DOI: 10.1038/s42003-021-02835-2.Peer-Reviewed Original ResearchConceptsSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2SARS-CoV-2 antibodiesRespiratory syndrome coronavirus 2SARS-CoV-2 epitopesSyndrome coronavirus 2SARS-CoV-2 strainsHigh-resolution epitope mappingCOVID-19SARS-CoV-2SARS-CoV-2 mutantsCoronavirus 2Antibody responseEffective vaccineImmune responseNeutralization activitySevere diseaseLarge cohortEpitope regionsAntibody epitopesEpitope mappingRelated coronavirusesTherapyVaccineViral proteomeAdaptive immune determinants of viral clearance and protection in mouse models of SARS-CoV-2
Israelow B, Mao T, Klein J, Song E, Menasche B, Omer SB, Iwasaki A. Adaptive immune determinants of viral clearance and protection in mouse models of SARS-CoV-2. Science Immunology 2021, 6: eabl4509. PMID: 34623900, PMCID: PMC9047536, DOI: 10.1126/sciimmunol.abl4509.Peer-Reviewed Original ResearchConceptsSARS-CoV-2Viral clearanceImmune determinantsMouse modelSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2Respiratory syndrome coronavirus 2Cellular adaptive immunitySyndrome coronavirus 2Vivo protective capacityVariants of concernMRNA vaccinationHomologous infectionCellular immunityConvalescent miceCoronavirus 2Antibody responsePrimary infectionEffective vaccineAdaptive immunityConfer protectionInfectionNatural infectionProtective capacityClearanceThe first 12 months of COVID-19: a timeline of immunological insights
Carvalho T, Krammer F, Iwasaki A. The first 12 months of COVID-19: a timeline of immunological insights. Nature Reviews Immunology 2021, 21: 245-256. PMID: 33723416, PMCID: PMC7958099, DOI: 10.1038/s41577-021-00522-1.Peer-Reviewed Original ResearchMeSH KeywordsAngiotensin-Converting Enzyme 2Antibodies, ViralAutoantibodiesCOVID-19COVID-19 Drug TreatmentCOVID-19 SerotherapyCOVID-19 VaccinesDexamethasoneDrug DevelopmentGlucocorticoidsHumansImmunization, PassiveImmunologic FactorsInterferon Type IReceptors, CoronavirusSARS-CoV-2Systemic Inflammatory Response SyndromeConceptsSARS-CoV-2Acute respiratory syndrome coronavirus 2Respiratory syndrome coronavirus 2Numerous candidate vaccinesSyndrome coronavirus 2Coronavirus disease 2019Peer-reviewed journalsCandidate vaccinesCoronavirus 2Pneumonia casesDisease 2019Immune responseViral infectionImmunological insightsNovel coronavirusInitial reportCOVID-19First yearMonthsHighlight gapsPreprint serversUnidentified originFuture investigationsVaccineInfection
2020
SARS-CoV-2 infection of the placenta
Hosier H, Farhadian SF, Morotti RA, Deshmukh U, Lu-Culligan A, Campbell KH, Yasumoto Y, Vogels C, Casanovas-Massana A, Vijayakumar P, Geng B, Odio CD, Fournier J, Brito AF, Fauver JR, Liu F, Alpert T, Tal R, Szigeti-Buck K, Perincheri S, Larsen C, Gariepy AM, Aguilar G, Fardelmann KL, Harigopal M, Taylor HS, Pettker CM, Wyllie AL, Dela Cruz CS, Ring AM, Grubaugh ND, Ko AI, Horvath TL, Iwasaki A, Reddy UM, Lipkind HS. SARS-CoV-2 infection of the placenta. Journal Of Clinical Investigation 2020, 130: 4947-4953. PMID: 32573498, PMCID: PMC7456249, DOI: 10.1172/jci139569.Peer-Reviewed Case Reports and Technical NotesMeSH KeywordsAbortion, TherapeuticAbruptio PlacentaeAdultBetacoronavirusCoronavirus InfectionsCOVID-19FemaleHumansMicroscopy, Electron, TransmissionPandemicsPhylogenyPlacentaPneumonia, ViralPre-EclampsiaPregnancyPregnancy Complications, InfectiousPregnancy Trimester, SecondRNA, ViralSARS-CoV-2Viral LoadConceptsSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2SARS-CoV-2 infectionRespiratory syndrome coronavirus 2SARS-CoV-2 invasionMaternal antibody responseSymptomatic COVID-19Second trimester pregnancySyndrome coronavirus 2Coronavirus disease 2019Materno-fetal interfaceDense macrophage infiltratesPlacental abruptionSevere preeclampsiaMacrophage infiltratesSevere morbidityTrimester pregnancyPregnant womenCoronavirus 2Antibody responseBackgroundThe effectsDisease 2019Histological examinationImmunohistochemical assaysPlacentaInflammasomes and Pyroptosis as Therapeutic Targets for COVID-19
Yap JKY, Moriyama M, Iwasaki A. Inflammasomes and Pyroptosis as Therapeutic Targets for COVID-19. The Journal Of Immunology 2020, 205: ji2000513. PMID: 32493814, PMCID: PMC7343621, DOI: 10.4049/jimmunol.2000513.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsMeSH KeywordsAnimalsAntiviral AgentsBetacoronavirusCoronavirus InfectionsCOVID-19COVID-19 Drug TreatmentHumansImmunity, InnateInflammasomesIntercellular Signaling Peptides and ProteinsMacrophages, AlveolarPandemicsPneumonia, ViralPyroptosisSARS-CoV-2Severe acute respiratory syndrome-related coronavirusSignal TransductionConceptsSevere acute respiratory syndrome-related coronavirus 2 (SARS-CoV-2) infectionSevere acute respiratory syndrome-related coronavirus 2Coronavirus disease 2019 (COVID-19) patientsSevere coronavirus disease 2019Coronavirus 2 infectionAvailable pharmaceutical agentsCoronavirus disease 2019Innate immune pathwaysClinical outcomesCoronavirus 2Inflammatory responseCellular pyroptosisDisease 2019Downstream cytokinesInflammasome activationInflammasome pathwayTherapeutic targetImmune pathwaysPromising targetPharmaceutical agentsCOVID-19PyroptosisPatientsCytokinesInflammasomeType I and Type III Interferons – Induction, Signaling, Evasion, and Application to Combat COVID-19
Park A, Iwasaki A. Type I and Type III Interferons – Induction, Signaling, Evasion, and Application to Combat COVID-19. Cell Host & Microbe 2020, 27: 870-878. PMID: 32464097, PMCID: PMC7255347, DOI: 10.1016/j.chom.2020.05.008.Peer-Reviewed Original ResearchConceptsSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2Respiratory syndrome coronavirus 2Syndrome coronavirus 2Role of interferonType ICoronavirus disease 2019COVID-19Innate antiviral responseOngoing global threatCoronavirus 2Pathogenic coronavirusesTreatment strategiesDisease 2019Protective effectHuman coronavirusesRecombinant interferonMERS-CoVSARS-CoVAntiviral responseInterferonAntiviral therapeuticsCombat COVID-19Interferon inductionGlobal pandemic