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
2011
O4-S2.05 Myd-88 deficient mice show evidence of productive T pallidum infection"
Dunne D, Silver A, Fieber J, Zeiss C, Fikrig E. O4-S2.05 Myd-88 deficient mice show evidence of productive T pallidum infection". Sexually Transmitted Infections 2011, 87: a87. DOI: 10.1136/sextrans-2011-050109.149.Peer-Reviewed Original ResearchMyD-88C57BL/6 miceDeficient miceImmunohistochemical stainsImmune responseMurine modelT pallidumDay 10Intact innate immune responseOnly natural reservoirNew Zealand male rabbitsB6 control miceInnate immune cellsUseful murine modelAged C57BL/6 miceWild-type miceInnate immune responseInnate immune systemPattern recognition receptorsImmune response mechanismsDownstream cytokine responsesSyphilis infectionSystemic illnessLymph nodesCytokine responses
2004
Interferon-γ deficiency reveals that 129Sv mice are inherently more susceptible to Anaplasma phagocytophilum than C57BL/6 mice
Wang T, Akkoyunlu M, Banerjee R, Fikrig E. Interferon-γ deficiency reveals that 129Sv mice are inherently more susceptible to Anaplasma phagocytophilum than C57BL/6 mice. Pathogens And Disease 2004, 42: 299-305. PMID: 15477043, DOI: 10.1016/j.femsim.2004.06.001.Peer-Reviewed Original Research
2000
Gamma Interferon Dominates the Murine Cytokine Response to the Agent of Human Granulocytic Ehrlichiosis and Helps To Control the Degree of Early Rickettsemia
Akkoyunlu M, Fikrig E. Gamma Interferon Dominates the Murine Cytokine Response to the Agent of Human Granulocytic Ehrlichiosis and Helps To Control the Degree of Early Rickettsemia. Infection And Immunity 2000, 68: 1827-1833. PMID: 10722570, PMCID: PMC97354, DOI: 10.1128/iai.68.4.1827-1833.2000.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBacteremiaConcanavalin ACytokinesDisease ProgressionDose-Response Relationship, DrugEhrlichiosisEnzyme-Linked Immunosorbent AssayFemaleHL-60 CellsHumansImmunoglobulin GInterferon-gammaMiceMice, Inbred C3HNeutrophilsReverse Transcriptase Polymerase Chain ReactionRickettsiaSpleenTime FactorsT-LymphocytesConceptsIFN-gamma-deficient miceHuman granulocytic ehrlichiosisIFN-gamma levelsDay 8Cytokine responsesIFN-gammaGamma interferonCells/HGE bacteriaGranulocytic ehrlichiosisIFN-gamma-independent mechanismMurine cytokine responsesTime pointsAgent of HGEMore IFN-gammaC3H/HeNLess interleukin-4IFN-gamma responsesMurine infection modelLater time pointsObligate intracellular bacteriumTh1 phenotypeC57BL/6 miceDNA burdenImmunocompetent mice
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