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 2019Vitamin B12 and folic acid alleviate symptoms of nutritional deficiency by antagonizing aryl hydrocarbon receptor
Kim DJ, Venkataraman A, Jain PC, Wiesler EP, DeBlasio M, Klein J, Tu SS, Lee S, Medzhitov R, Iwasaki A. Vitamin B12 and folic acid alleviate symptoms of nutritional deficiency by antagonizing aryl hydrocarbon receptor. Proceedings Of The National Academy Of Sciences Of The United States Of America 2020, 117: 15837-15845. PMID: 32571957, PMCID: PMC7355044, DOI: 10.1073/pnas.2006949117.Peer-Reviewed Original ResearchConceptsAryl hydrocarbon receptorMethylation of DNAHuman cancer samplesHydrocarbon receptorAhR transcriptional activityAhR target genesFA deficiencyOne-carbon cycleAhR agonistsFolic acid functionAhR nuclear localizationLower transcriptionNuclear localizationTarget genesGene inductionHigher transcriptionTranscriptional activityXRE bindingDe novo generationCycle proteinsBirth defectsErythroid progenitorsFas functionMolecular levelFA uptake
2019
Migrant memory B cells secrete luminal antibody in the vagina
Oh JE, Iijima N, Song E, Lu P, Klein J, Jiang R, Kleinstein SH, Iwasaki A. Migrant memory B cells secrete luminal antibody in the vagina. Nature 2019, 571: 122-126. PMID: 31189952, PMCID: PMC6609483, DOI: 10.1038/s41586-019-1285-1.Peer-Reviewed Original ResearchConceptsMemory B cellsFemale reproductive tractB cellsPlasma cellsReproductive tractCD4 tissue-resident memory T cellsTissue-resident memory T cellsLower female reproductive tractHerpes simplex virus 2Genital herpes infectionMemory T cellsExpression of chemokinesSimplex virus 2CXCR3-dependent mannerLocal plasma cellsLuminal antibodyMucosal antibodiesHerpes infectionPrimary infectionMucosal barrierSecondary challengeVariety of pathogensT cellsLamina propriaInducible source