2018
Circadian Rhythms Influence the Severity of Sepsis in Mice via a TLR2-Dependent, Leukocyte-Intrinsic Mechanism
Heipertz EL, Harper J, Lopez CA, Fikrig E, Hughes ME, Walker WE. Circadian Rhythms Influence the Severity of Sepsis in Mice via a TLR2-Dependent, Leukocyte-Intrinsic Mechanism. The Journal Of Immunology 2018, 201: ji1701677. PMID: 29760192, PMCID: PMC9351006, DOI: 10.4049/jimmunol.1701677.Peer-Reviewed Original ResearchConceptsImmune cellsZT 19C57BL/6 miceWorse outcomesTLR2 agonist lipoteichoic acidCircadian rhythmTLR2 knockout miceFemale C57BL/6 miceMale C57BL/6 miceSeverity of sepsisBone marrow chimerasTLR2-dependent mechanismIL-6 productionTLR2-DependentSepsis severityCecal ligationSepsis phenotypesSepsisC57BL/6 cellsSimilar outcomesMiceMouse cecumLipoteichoic acidMurine macrophagesCLP
2010
Age-Associated Decrease in TLR Function in Primary Human Dendritic Cells Predicts Influenza Vaccine Response
Panda A, Qian F, Mohanty S, van Duin D, Newman FK, Zhang L, Chen S, Towle V, Belshe RB, Fikrig E, Allore HG, Montgomery RR, Shaw AC. Age-Associated Decrease in TLR Function in Primary Human Dendritic Cells Predicts Influenza Vaccine Response. The Journal Of Immunology 2010, 184: 2518-2527. PMID: 20100933, PMCID: PMC3867271, DOI: 10.4049/jimmunol.0901022.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAged, 80 and overAntibodies, ViralCytokinesDendritic CellsFemaleFlow CytometryHumansInfluenza A Virus, H1N1 SubtypeInfluenza VaccinesInterleukin-12 Subunit p40Interleukin-6Linear ModelsMaleMiddle AgedReverse Transcriptase Polymerase Chain ReactionToll-Like ReceptorsTumor Necrosis Factor-alphaYoung AdultConceptsPrimary human dendritic cellsDendritic cellsHuman dendritic cellsMyeloid DCsPlasmacytoid DCsCytokine productionTLR functionTNF-alphaIntracellular cytokine productionPoor Ab responsesInfluenza vaccine responsesMyeloid dendritic cellsPlasmacytoid dendritic cellsYoung individualsIntracellular cytokine stainingIL-12 productionIFN-alpha productionTLR ligand stimulationTLR gene expressionInnate immune responseAge-Associated DecreaseTLR8 engagementInfluenza immunizationAge-associated effectsCytokine staining
2007
Age-Associated Defect in Human TLR-1/2 Function
van Duin D, Mohanty S, Thomas V, Ginter S, Montgomery RR, Fikrig E, Allore HG, Medzhitov R, Shaw AC. Age-Associated Defect in Human TLR-1/2 Function. The Journal Of Immunology 2007, 178: 970-975. PMID: 17202359, DOI: 10.4049/jimmunol.178.2.970.Peer-Reviewed Original ResearchConceptsTLR1 surface expressionCytokine productionTLR functionTNF-alphaSurface expressionMultivariable mixed-effects modelsOlder adultsImpaired vaccine responsesTLR2 surface expressionInfection-related morbidityPeripheral blood monocytesYears of ageVaccine responsesIL-6Aged miceBlood monocytesYoung controlsFlow cytometryMixed effects modelsAge categoriesTLR1/2TLREffects modelN-palmitoylAdults
2000
Inhibition of Th1 Differentiation by IL-6 Is Mediated by SOCS1
Diehl S, Anguita J, Hoffmeyer A, Zapton T, Ihle J, Fikrig E, Rincón M. Inhibition of Th1 Differentiation by IL-6 Is Mediated by SOCS1. Immunity 2000, 13: 805-815. PMID: 11163196, DOI: 10.1016/s1074-7613(00)00078-9.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigen-Presenting CellsCarrier ProteinsCell DifferentiationDNA-Binding ProteinsGene ExpressionInterferon-gammaInterleukin-12Interleukin-4Interleukin-6MiceReceptors, InterferonRepressor ProteinsSignal TransductionSTAT1 Transcription FactorSuppressor of Cytokine Signaling 1 ProteinSuppressor of Cytokine Signaling ProteinsTh1 CellsTrans-ActivatorsUp-RegulationConceptsIFNgamma gene expressionReceptor-mediated signalsIndependent molecular mechanismsFunctional pleiotropyTranscription 1 (STAT1) phosphorylationNovel functionNegative regulationSignal transducerGene expressionMolecular mechanismsCell differentiationCell typesT cell activationDifferentiationTh2 differentiationTh1 differentiationCell activationNonimmune cellsExpressionTh1 cell differentiationImportant roleCellsInhibitionPleiotropyPhosphorylation
1998
Borrelia burgdorferi-Infected, Interleukin-6-Deficient Mice Have Decreased Th2 Responses and Increased Lyme Arthritis
Anguita J, Rincón M, Samanta S, Barthold S, Flavell R, Fikrig E. Borrelia burgdorferi-Infected, Interleukin-6-Deficient Mice Have Decreased Th2 Responses and Increased Lyme Arthritis. The Journal Of Infectious Diseases 1998, 178: 1512-1515. PMID: 9780277, DOI: 10.1086/314448.Peer-Reviewed Original ResearchConceptsIL-6-deficient miceLyme arthritisT cellsCell responsesCD4 T cell responsesT helper cell responsesInterleukin-6-deficient miceHelper cell responsesLess IL-4CD4 T cellsEffector Th2 cellsT cell responsesBorrelia burgdorferiNaive T cellsMurine Lyme arthritisDays of infectionJoint inflammationTh2 responsesArthritis incidenceIgG2b levelsC57BL/6 miceIL-6Th2 phenotypeIL-4Th2 cells
1997
Interleukin (IL)-6 Directs the Differentiation of IL-4–producing CD4+ T Cells
Rincón M, Anguita J, Nakamura T, Fikrig E, Flavell R. Interleukin (IL)-6 Directs the Differentiation of IL-4–producing CD4+ T Cells. Journal Of Experimental Medicine 1997, 185: 461-470. PMID: 9053446, PMCID: PMC2196041, DOI: 10.1084/jem.185.3.461.Peer-Reviewed Original Research