2021
A humanized mouse model of chronic COVID-19
Sefik E, Israelow B, Mirza H, Zhao J, Qu R, Kaffe E, Song E, Halene S, Meffre E, Kluger Y, Nussenzweig M, Wilen CB, Iwasaki A, Flavell RA. A humanized mouse model of chronic COVID-19. Nature Biotechnology 2021, 40: 906-920. PMID: 34921308, PMCID: PMC9203605, DOI: 10.1038/s41587-021-01155-4.Peer-Reviewed Original ResearchConceptsChronic COVID-19Humanized mouse modelImmune responseMouse modelAcute respiratory syndrome coronavirus 2 infectionSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infectionSyndrome coronavirus 2 infectionCOVID-19Adaptive human immune responsesInterferon-stimulated gene signaturePersistent viral RNACoronavirus 2 infectionPatient-derived antibodiesT-cell lymphopeniaHuman immune responseHyperactive immune responseCoronavirus disease 2019Inflammatory macrophage responseImmunological injuryLung pathologyCell lymphopeniaDisease 2019Severe diseaseRodent modelsInflammatory macrophagesKynurenic acid may underlie sex-specific immune responses to COVID-19
Cai Y, Kim DJ, Takahashi T, Broadhurst DI, Yan H, Ma S, Rattray NJW, Casanovas-Massana A, Israelow B, Klein J, Lucas C, Mao T, Moore AJ, Muenker MC, Oh JE, Silva J, Wong P, team Y, Ko AI, Khan SA, Iwasaki A, Johnson CH. Kynurenic acid may underlie sex-specific immune responses to COVID-19. Science Signaling 2021, 14: eabf8483. PMID: 34230210, PMCID: PMC8432948, DOI: 10.1126/scisignal.abf8483.Peer-Reviewed Original ResearchConceptsKynurenic acidImmune responseClinical outcomesSex-specific immune responsesT cell responsesPoor clinical outcomeCOVID-19 patientsCoronavirus disease 2019COVID-19Sex-related differencesMale patientsCytokine abundanceInflammatory cytokinesKynurenine ratioSerum metabolomeDisease 2019Sex-specific linkKynurenine aminotransferaseCell responsesOld malePatientsMalesOutcomesResponseMetabolitesDivergent and self-reactive immune responses in the CNS of COVID-19 patients with neurological symptoms
Song E, Bartley CM, Chow RD, Ngo TT, Jiang R, Zamecnik CR, Dandekar R, Loudermilk RP, Dai Y, Liu F, Sunshine S, Liu J, Wu W, Hawes IA, Alvarenga BD, Huynh T, McAlpine L, Rahman NT, Geng B, Chiarella J, Goldman-Israelow B, Vogels CBF, Grubaugh ND, Casanovas-Massana A, Phinney BS, Salemi M, Alexander JR, Gallego JA, Lencz T, Walsh H, Wapniarski AE, Mohanty S, Lucas C, Klein J, Mao T, Oh J, Ring A, Spudich S, Ko AI, Kleinstein SH, Pak J, DeRisi JL, Iwasaki A, Pleasure SJ, Wilson MR, Farhadian SF. Divergent and self-reactive immune responses in the CNS of COVID-19 patients with neurological symptoms. Cell Reports Medicine 2021, 2: 100288. PMID: 33969321, PMCID: PMC8091032, DOI: 10.1016/j.xcrm.2021.100288.Peer-Reviewed Original ResearchNeurological symptomsImmune responseCerebrospinal fluidAnti-severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodiesCOVID-19Self-reactive immune responsesSARS-CoV-2 antibodiesCompartmentalized immune responseCSF immunoglobulin GRole of autoimmunityCOVID-19 patientsB cell responsesCoronavirus disease 2019Immune surveyNeurologic sequelaePulmonary infectionBrain infectionSerum antibodiesDisease 2019Monoclonal antibody targetsAnimal modelsTarget epitopesCell activationCell responsesSingle-cell RNA sequencing
2020
Longitudinal analyses reveal immunological misfiring in severe COVID-19
Lucas C, Wong P, Klein J, Castro TBR, Silva J, Sundaram M, Ellingson MK, Mao T, Oh JE, Israelow B, Takahashi T, Tokuyama M, Lu P, Venkataraman A, Park A, Mohanty S, Wang H, Wyllie AL, Vogels CBF, Earnest R, Lapidus S, Ott IM, Moore AJ, Muenker MC, Fournier JB, Campbell M, Odio CD, Casanovas-Massana A, Herbst R, Shaw A, Medzhitov R, Schulz W, Grubaugh N, Dela Cruz C, Farhadian S, Ko A, Omer S, Iwasaki A. Longitudinal analyses reveal immunological misfiring in severe COVID-19. Nature 2020, 584: 463-469. PMID: 32717743, PMCID: PMC7477538, DOI: 10.1038/s41586-020-2588-y.Peer-Reviewed Original ResearchConceptsSevere COVID-19Moderate COVID-19Immune signaturesDisease outcomeCOVID-19Disease trajectoriesInterleukin-5Early immune signaturesInnate cell lineagesType 2 effectorsT cell numbersPoor clinical outcomeWorse disease outcomesImmune response profileCoronavirus disease 2019Distinct disease trajectoriesCytokine levelsImmunological correlatesImmune profileClinical outcomesEarly elevationImmune profilingIL-13Immunoglobulin EDisease 2019