2019
HIPK2 is necessary for type I interferon–mediated antiviral immunity
Cao L, Yang G, Gao S, Jing C, Montgomery RR, Yin Y, Wang P, Fikrig E, You F. HIPK2 is necessary for type I interferon–mediated antiviral immunity. Science Signaling 2019, 12 PMID: 30890658, PMCID: PMC6893850, DOI: 10.1126/scisignal.aau4604.Peer-Reviewed Original ResearchConceptsHomeodomain-interacting protein kinase 2Type I interferonProtein kinase 2I interferonRNA virus infectionAntiviral immunityN-terminal fragmentVesicular stomatitis virus infectionNuclear localizationActive caspasesKinase activityB transcriptionHIPK2 deficiencyKinase 2Virus infectionStomatitis virus infectionAntiviral responseWild-type miceVSV infection
2014
Chitinase 3–Like 1 Suppresses Injury and Promotes Fibroproliferative Responses in Mammalian Lung Fibrosis
Zhou Y, Peng H, Sun H, Peng X, Tang C, Gan Y, Chen X, Mathur A, Hu B, Slade MD, Montgomery RR, Shaw AC, Homer RJ, White ES, Lee CM, Moore MW, Gulati M, Lee CG, Elias JA, Herzog EL. Chitinase 3–Like 1 Suppresses Injury and Promotes Fibroproliferative Responses in Mammalian Lung Fibrosis. Science Translational Medicine 2014, 6: 240ra76. PMID: 24920662, PMCID: PMC4340473, DOI: 10.1126/scitranslmed.3007096.Peer-Reviewed Original ResearchConceptsIdiopathic pulmonary fibrosisCHI3L1 levelsChitinase 3Lungs of patientsAlternative macrophage activationLevel of apoptosisAcute exacerbationFibroproliferative repairLung transplantationDisease exacerbationInjury phaseAmbulatory patientsEpithelial injuryPulmonary fibrosisIPF populationLung fibrosisMacrophage accumulationCHI3L1 expressionFibrotic phaseDisease progressionProfibrotic roleFibroproliferative responseMacrophage activationMyofibroblast transformationProtective role
2013
ELF4 is critical for induction of type I interferon and the host antiviral response
You F, Wang P, Yang L, Yang G, Zhao YO, Qian F, Walker W, Sutton R, Montgomery R, Lin R, Iwasaki A, Fikrig E. ELF4 is critical for induction of type I interferon and the host antiviral response. Nature Immunology 2013, 14: 1237-1246. PMID: 24185615, PMCID: PMC3939855, DOI: 10.1038/ni.2756.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell LineCells, CulturedDNA-Binding ProteinsHEK293 CellsHeLa CellsHost-Pathogen InteractionsHumansImmunoblottingInterferon Regulatory Factor-3Interferon Regulatory Factor-7Interferon-betaMembrane ProteinsMiceMice, Inbred C57BLMice, KnockoutMicroscopy, ConfocalProtein BindingReverse Transcriptase Polymerase Chain ReactionRNA InterferenceSignal TransductionSurvival AnalysisTranscription FactorsTranscriptional ActivationWest Nile FeverWest Nile virus
2012
Semaphorin 7A Contributes to West Nile Virus Pathogenesis through TGF-β1/Smad6 Signaling
Sultana H, Neelakanta G, Foellmer HG, Montgomery RR, Anderson JF, Koski RA, Medzhitov RM, Fikrig E. Semaphorin 7A Contributes to West Nile Virus Pathogenesis through TGF-β1/Smad6 Signaling. The Journal Of Immunology 2012, 189: 3150-3158. PMID: 22896629, PMCID: PMC3496209, DOI: 10.4049/jimmunol.1201140.Peer-Reviewed Original ResearchConceptsRole of Sema7AWNV infectionSemaphorin 7ATGF-β1Lethal West Nile virus infectionViral pathogenesisBlood-brain barrier permeabilityWest Nile Virus PathogenesisWest Nile virus infectionMurine cortical neuronsPrimary human macrophagesViral burdenWNV pathogenesisCortical neuronsBarrier permeabilityFlaviviral infectionsVirus infectionVirus pathogenesisNervous systemImmune systemPathogenesisInfectionHuman macrophagesSema7AMice
2009
Toll-like Receptor 7 Mitigates Lethal West Nile Encephalitis via Interleukin 23-Dependent Immune Cell Infiltration and Homing
Town T, Bai F, Wang T, Kaplan AT, Qian F, Montgomery RR, Anderson JF, Flavell RA, Fikrig E. Toll-like Receptor 7 Mitigates Lethal West Nile Encephalitis via Interleukin 23-Dependent Immune Cell Infiltration and Homing. Immunity 2009, 30: 242-253. PMID: 19200759, PMCID: PMC2707901, DOI: 10.1016/j.immuni.2008.11.012.Peer-Reviewed Original ResearchConceptsToll-like receptor 7West Nile virusReceptor 7WNV infectionImmune cell infiltrationLethal WNV infectionMyeloid differentiation factorIL-23 p19IL-23 responsesIL-12 p40West Nile encephalitisIL-12 p35Infected target cellsHost defense mechanismsRNA flavivirusInnate cytokinesWNV encephalitisInterleukin-12Cell infiltrationImmune cellsTarget organsVariable severityMiceTarget cellsTissue concentrations
2008
Matrix Metalloproteinase 9 Facilitates West Nile Virus Entry into the Brain
Wang P, Dai J, Bai F, Kong KF, Wong SJ, Montgomery RR, Madri JA, Fikrig E. Matrix Metalloproteinase 9 Facilitates West Nile Virus Entry into the Brain. Journal Of Virology 2008, 82: 8978-8985. PMID: 18632868, PMCID: PMC2546894, DOI: 10.1128/jvi.00314-08.Peer-Reviewed Original ResearchConceptsMatrix metalloproteinase-9Blood-brain barrierWest Nile virusWNV entryMetalloproteinase-9MMP9 expressionWNV infectionIntact blood-brain barrierBlood-brain barrier permeabilityBrain viral loadWest Nile virus entryEvans blue leakageMosquito-borne encephalitisWest Nile encephalitisLethal WNV challengeWild-type miceCentral nervous systemType IV collagen degradationPeripheral viremiaViral loadLeukocyte infiltrateInflammatory cytokinesLikely multifactorialBarrier permeabilityHost cytokines
2007
ASC/PYCARD and Caspase-1 Regulate the IL-18/IFN-γ Axis during Anaplasma phagocytophilum Infection
Pedra JH, Sutterwala FS, Sukumaran B, Ogura Y, Qian F, Montgomery RR, Flavell RA, Fikrig E. ASC/PYCARD and Caspase-1 Regulate the IL-18/IFN-γ Axis during Anaplasma phagocytophilum Infection. The Journal Of Immunology 2007, 179: 4783-4791. PMID: 17878377, DOI: 10.4049/jimmunol.179.7.4783.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid MotifsAnaplasmaAnaplasmosisAnimalsApoptosis Regulatory ProteinsCalcium-Binding ProteinsCaspase 1Disease SusceptibilityEnzyme ActivationHL-60 CellsHumansInterferon-gammaInterleukin-18Killer Cells, NaturalMiceMice, Inbred C57BLMice, KnockoutPhagocytosisSignal TransductionTh1 CellsT-Lymphocytes, RegulatoryConceptsA. phagocytophilum infectionIFN-gamma productionCaspase-1Phagocytophilum infectionIFN-gammaA. phagocytophilumIFN-gamma levelsNOD-like receptor pathwayIL-18 secretionIFN-gamma-mediated controlCentral adaptor moleculeAnaplasma phagocytophilum infectionVitro restimulationIL-18Peripheral bloodControl animalsReceptor pathwayASC deficiencyInfectionObligate intracellular pathogensIntracellular pathogensAnaplasma phagocytophilumPhagocytophilumAdaptor moleculeCritical role
2006
Recruitment of Macrophages and Polymorphonuclear Leukocytes in Lyme Carditis
Montgomery RR, Booth CJ, Wang X, Blaho VA, Malawista SE, Brown CR. Recruitment of Macrophages and Polymorphonuclear Leukocytes in Lyme Carditis. Infection And Immunity 2006, 75: 613-620. PMID: 17101663, PMCID: PMC1828503, DOI: 10.1128/iai.00685-06.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBorrelia burgdorferiColony Count, MicrobialCytokinesDisease Models, AnimalDisease SusceptibilityDNA, BacterialHeartHistocytochemistryLyme DiseaseMacrophagesMiceMice, Inbred C3HMice, Inbred C57BLMice, KnockoutMyocarditisMyocardiumNeutrophilsPolymerase Chain ReactionReceptors, CCR2Receptors, ChemokineUrinary BladderConceptsLyme carditisPolymorphonuclear leukocytesC3H micePresence of PMNsB. burgdorferi burdenNeutrophil chemokine receptorOrgan-specific pathogenesisChemokine receptor CCR2B. burgdorferiRecruitment of macrophagesWild-type miceB. burgdorferi infectionAbsence of macrophagesFunction of macrophagesPeak diseaseInfected heartsLyme arthritisSevere arthritisHeart lesionsReceptor CCR2Severe inflammationHistopathologic examinationChemokine receptorsBurgdorferi infectionCarditis
2004
Myeloid Differentiation Antigen 88 Deficiency Impairs Pathogen Clearance but Does Not Alter Inflammation in Borrelia burgdorferi-Infected Mice
Liu N, Montgomery RR, Barthold SW, Bockenstedt LK. Myeloid Differentiation Antigen 88 Deficiency Impairs Pathogen Clearance but Does Not Alter Inflammation in Borrelia burgdorferi-Infected Mice. Infection And Immunity 2004, 72: 3195-3203. PMID: 15155621, PMCID: PMC415708, DOI: 10.1128/iai.72.6.3195-3203.2004.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAnimalsAntibodies, BacterialAntigens, DifferentiationArthritisBorrelia burgdorferiDNA, BacterialInflammationLyme DiseaseMacrophages, PeritonealMiceMice, Inbred C57BLMice, KnockoutMyeloid Differentiation Factor 88MyocarditisOpsonin ProteinsPhagocytosisReceptors, ImmunologicUrineConceptsToll-like receptor 2Days of infectionPathogen burdenWT miceAcute inflammationB. burgdorferi-specific antibodyPathogen-specific adaptive immunityMyD88-dependent signaling pathwaysTumor necrosis factor alphaBurgdorferi-specific antibodiesImmunoglobulin G1 responsesTLR2-deficient miceInnate immune cellsBorrelia burgdorferiNecrosis factor alphaWild-type miceIgM titersImmune cellsInflammatory responseFactor alphaAdaptive immunitySpirochete Borrelia burgdorferiWT macrophagesReceptor 2Pathogen clearance