2021
Antibodies against human endogenous retrovirus K102 envelope activate neutrophils in systemic lupus erythematosus
Tokuyama M, Gunn BM, Venkataraman A, Kong Y, Kang I, Rakib T, Townsend MJ, Costenbader KH, Alter G, Iwasaki A. Antibodies against human endogenous retrovirus K102 envelope activate neutrophils in systemic lupus erythematosus. Journal Of Experimental Medicine 2021, 218: e20191766. PMID: 34019642, PMCID: PMC8144942, DOI: 10.1084/jem.20191766.Peer-Reviewed Original ResearchConceptsSystemic lupus erythematosusNeutrophil extracellular trapsLupus erythematosusImmune complexesFormation of NETsEnvelope proteinSLE patient bloodInnate immune activationImmune complex formationActivate neutrophilsInterferon statusAutoantibody levelsIgG levelsHigher interferonImmune activationNeutrophil phagocytosisSLE IgGNeutrophil activationExtracellular trapsSLE plasmaNeutrophil elastasePatient's bloodErythematosusNeutrophilsPhagocytosisDiverse functional autoantibodies in patients with COVID-19
Wang EY, Mao T, Klein J, Dai Y, Huck JD, Jaycox JR, Liu F, Zhou T, Israelow B, Wong P, Coppi A, Lucas C, Silva J, Oh JE, Song E, Perotti ES, Zheng NS, Fischer S, Campbell M, Fournier JB, Wyllie AL, Vogels CBF, Ott IM, Kalinich CC, Petrone ME, Watkins AE, Dela Cruz C, Farhadian S, Schulz W, Ma S, Grubaugh N, Ko A, Iwasaki A, Ring A. Diverse functional autoantibodies in patients with COVID-19. Nature 2021, 595: 283-288. PMID: 34010947, DOI: 10.1038/s41586-021-03631-y.Peer-Reviewed Original ResearchConceptsPeripheral immune cell compositionSARS-CoV-2 infectionCOVID-19Effects of autoantibodiesTissue-associated antigensSpecific clinical characteristicsInnate immune activationImmune cell compositionCOVID-19 exhibitCOVID-19 manifestsAnalysis of autoantibodiesSARS-CoV-2Functional autoantibodiesMouse surrogateClinical characteristicsVirological controlClinical outcomesImmune activationMild diseaseAsymptomatic infectionAutoantibody reactivityDisease progressionHealthcare workersHigh prevalenceAutoantibodiesMaternal respiratory SARS-CoV-2 infection in pregnancy is associated with a robust inflammatory response at the maternal-fetal interface
Lu-Culligan A, Chavan AR, Vijayakumar P, Irshaid L, Courchaine EM, Milano KM, Tang Z, Pope SD, Song E, Vogels CBF, Lu-Culligan WJ, Campbell KH, Casanovas-Massana A, Bermejo S, Toothaker JM, Lee HJ, Liu F, Schulz W, Fournier J, Muenker MC, Moore AJ, Team Y, Konnikova L, Neugebauer KM, Ring A, Grubaugh ND, Ko AI, Morotti R, Guller S, Kliman HJ, Iwasaki A, Farhadian SF. Maternal respiratory SARS-CoV-2 infection in pregnancy is associated with a robust inflammatory response at the maternal-fetal interface. Med 2021, 2: 591-610.e10. PMID: 33969332, PMCID: PMC8084634, DOI: 10.1016/j.medj.2021.04.016.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 infectionMaternal-fetal interfaceACE2 expressionNatural killerPregnant womenPlacental cellsAcute respiratory syndrome coronavirus 2 infectionSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infectionSARS-CoV-2-infected womenTerm placentaSyndrome coronavirus 2 infectionCoronavirus 2 infectionPotential immune mechanismsRobust inflammatory responseRobust immune responseCoronavirus disease 2019Detectable viral RNAInterferon-related genesLower ACE2 expressionMajority of placentasPregnancy complicationsPlacental histologyHofbauer cellsEarly pregnancyImmune activation
2020
The Role of Immune Factors in Shaping Fetal Neurodevelopment
Lu-Culligan A, Iwasaki A. The Role of Immune Factors in Shaping Fetal Neurodevelopment. Annual Review Of Cell And Developmental Biology 2020, 36: 1-28. PMID: 32722920, PMCID: PMC9034439, DOI: 10.1146/annurev-cellbio-021120-033518.Peer-Reviewed Original ResearchConceptsMaternal immune activationImmune factorsFetal neurodevelopmentMaternal immunityPoor neurological outcomeMaternal-fetal interfaceNeurological outcomeNormal pregnancyImmune activationImmune pathwaysPostnatal lifeNeurological disordersExperimental modelNeurodevelopmentNormal physiologyPregnancyVivo roleImmunityCritical participantsMaternal pathwayFactorsSequence of eventsPathogenesisUteroFetusesContributions of maternal and fetal antiviral immunity in congenital disease
Yockey LJ, Lucas C, Iwasaki A. Contributions of maternal and fetal antiviral immunity in congenital disease. Science 2020, 368: 608-612. PMID: 32381717, DOI: 10.1126/science.aaz1960.Peer-Reviewed Original ResearchConceptsViral infectionCongenital diseaseDirect viral toxicityMaternal immune responseMaternal immune activationFetal developmental defectsFuture treatment strategiesImmune defense mechanismsPregnancy outcomesFetal demiseImmune activationUncontrolled inflammationMaternal healthChronic infectionTreatment strategiesImmune responseAntiviral immunityRange of syndromesFetal developmentTissue damagePathological effectsInfectionViral toxicityDevastating consequencesPregnancy
2011
Control of antiviral immunity by pattern recognition and the microbiome
Pang IK, Iwasaki A. Control of antiviral immunity by pattern recognition and the microbiome. Immunological Reviews 2011, 245: 209-226. PMID: 22168422, PMCID: PMC3659816, DOI: 10.1111/j.1600-065x.2011.01073.x.Peer-Reviewed Original ResearchConceptsAdaptive immunityInnate pattern recognition receptorsChronic viral infectionsAdaptive immune responsesExtra-intestinal infectionsHost immune systemPattern recognition receptorsTransduce signalsImmune activationAutoimmune diseasesProbiotic therapyMammalian hostsImmune responseAntiviral immunityViral infectionMucosal surfacesViral recognitionImmune systemInvasive microbesProper developmentMicrobial sensingResident microbiotaInnate defenseSuch diseasesHost susceptibility