2020
Profiling cellular heterogeneity in asthma with single cell multiparameter CyTOF
Stewart E, Wang X, Chupp GL, Montgomery RR. Profiling cellular heterogeneity in asthma with single cell multiparameter CyTOF. Journal Of Leukocyte Biology 2020, 108: 1555-1564. PMID: 32911570, PMCID: PMC8087109, DOI: 10.1002/jlb.5ma0720-770rr.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAsthmaFemaleHumansLymphocytesMacrophagesMaleMiddle AgedNeutrophilsSingle-Cell AnalysisSputumConceptsAirway immune cellsSource of inflammationChronic inflammatory diseaseInflammatory cell typesStudy of pathogenesisMultiple distinct subtypesHeterogeneity of diseaseBronchial epithelial cellsAirway inflammationCell typesAsthmatic patientsClinical responseEosinophilic infiltrateAnalysis of sputumAsthmatic inflammationFunctional statusClinical managementImmune cellsInflammatory diseasesHealthy controlsInflammatory responseAirway cellsSputumDistinct subtypesInflammation
2018
SIRT6 Acts as a Negative Regulator in Dengue Virus-Induced Inflammatory Response by Targeting the DNA Binding Domain of NF-κB p65
Li P, Jin Y, Qi F, Wu F, Luo S, Cheng Y, Montgomery RR, Qian F. SIRT6 Acts as a Negative Regulator in Dengue Virus-Induced Inflammatory Response by Targeting the DNA Binding Domain of NF-κB p65. Frontiers In Cellular And Infection Microbiology 2018, 8: 113. PMID: 29686974, PMCID: PMC5900784, DOI: 10.3389/fcimb.2018.00113.Peer-Reviewed Original ResearchConceptsToll-like receptor 3Dengue virusInflammatory responseDENV infectionDengue disease severityNF-κB p65Innate immune responseNF-κB activationDomain of p65Overexpression of SIRT6Chemokine productionProinflammatory cytokinesDengue patientsInflammatory cytokinesP65 functionImmune responseLike receptorsDisease severityNegative regulatorReceptor 3Variable severityP65SIRT6CytokinesVirus
2013
Functional Polymorphisms in the Gene Encoding Macrophage Migration Inhibitory Factor Are Associated With Gram-Negative Bacteremia in Older Adults
Das R, Subrahmanyan L, Yang IV, van Duin D, Levy R, Piecychna M, Leng L, Montgomery RR, Shaw A, Schwartz DA, Bucala R. Functional Polymorphisms in the Gene Encoding Macrophage Migration Inhibitory Factor Are Associated With Gram-Negative Bacteremia in Older Adults. The Journal Of Infectious Diseases 2013, 209: 764-768. PMID: 24158957, PMCID: PMC3923543, DOI: 10.1093/infdis/jit571.Peer-Reviewed Original ResearchConceptsMacrophage migration inhibitory factorMigration inhibitory factorLow expressionOlder adultsInhibitory factorSurface Toll-like receptor 4Toll-like receptor 4Gram-negative bacteremiaPeripheral blood monocytesNegative bacterial infectionsMIF productionImmune mediatorsNegative bacteremiaHealthy controlsReceptor 4Blood monocytesOlder subjectsBacterial infectionsFunctional polymorphismsHigh expressionBacteremiaAdultsExpressionPatientsCohortIdentification of Genes Critical for Resistance to Infection by West Nile Virus Using RNA-Seq Analysis
Qian F, Chung L, Zheng W, Bruno V, Alexander RP, Wang Z, Wang X, Kurscheid S, Zhao H, Fikrig E, Gerstein M, Snyder M, Montgomery RR. Identification of Genes Critical for Resistance to Infection by West Nile Virus Using RNA-Seq Analysis. Viruses 2013, 5: 1664-1681. PMID: 23881275, PMCID: PMC3738954, DOI: 10.3390/v5071664.Peer-Reviewed Original ResearchConceptsCommon gene pathwaysNovel cellular responsesDifferential gene expressionRNA-seq analysisWest Nile virusGene expression analysisPrimary human macrophagesGene isoformsHigh-throughput methodRNA-seqGene pathwaysExpression analysisGenes CriticalKnock-downGene expressionCellular responsesGene changesResistant individualsBiological settingsHuman macrophagesGenesCritical roleAvailable treatmentsHealthy donorsViral infection
2012
Impaired Toll-Like Receptor 3-Mediated Immune Responses from Macrophages of Patients Chronically Infected with Hepatitis C Virus
Qian F, Bolen CR, Jing C, Wang X, Zheng W, Zhao H, Fikrig E, Bruce RD, Kleinstein SH, Montgomery RR. Impaired Toll-Like Receptor 3-Mediated Immune Responses from Macrophages of Patients Chronically Infected with Hepatitis C Virus. MSphere 2012, 20: 146-155. PMID: 23220997, PMCID: PMC3571267, DOI: 10.1128/cvi.00530-12.Peer-Reviewed Original ResearchMeSH KeywordsAdultFemaleGene ExpressionGenotypeHepacivirusHepatitis C, ChronicHumansInflammationInterferon-betaInterferonsInterleukinsLeukocytes, MononuclearMacrophagesMalePhosphorylationPolymorphism, Single NucleotideSignal TransductionSTAT1 Transcription FactorToll-Like Receptor 3Tumor Necrosis Factor-alphaViral LoadConceptsToll-like receptor 3Peripheral blood mononuclear cellsHepatitis C virusImmune responseHCV patientsC virusExpression of TLR3Clearance of HCVCommon chronic blood-borne infectionElevated innate immune responseImpaired toll-like receptorPrimary macrophagesHCV genotype 1Ongoing inflammatory responseMajority of patientsBlood-borne infectionsBlood mononuclear cellsToll-like receptorsIFN response genesPotential therapeutic approachInnate immune responseMacrophages of patientsElevated baseline expressionTLR3 pathwayViral clearance
2010
Dysregulation of human Toll-like receptor function in aging
Shaw AC, Panda A, Joshi SR, Qian F, Allore HG, Montgomery RR. Dysregulation of human Toll-like receptor function in aging. Ageing Research Reviews 2010, 10: 346-353. PMID: 21074638, PMCID: PMC3633557, DOI: 10.1016/j.arr.2010.10.007.Peer-Reviewed Original ResearchConceptsToll-like receptorsTLR functionImmune systemToll-like receptor functionPattern recognition receptor familyAge-associated dysregulationInnate immune systemGeriatric patientsTLR activationAnimal modelsContext of agingReceptor functionHuman cohortsInfectious diseasesReceptor familyInappropriate persistenceDysregulationRecent studiesOverarching themesAdaptive responseMorbidityImmunosenescencePatientsCohortInnate
2009
Human innate immunosenescence: causes and consequences for immunity in old age
Panda A, Arjona A, Sapey E, Bai F, Fikrig E, Montgomery RR, Lord JM, Shaw AC. Human innate immunosenescence: causes and consequences for immunity in old age. Trends In Immunology 2009, 30: 325-333. PMID: 19541535, PMCID: PMC4067971, DOI: 10.1016/j.it.2009.05.004.Peer-Reviewed Original ResearchConceptsInnate immune system initiatesNatural killer T cellsOlder ageAntiviral cytokine productionKiller T cellsInnate immune responseInnate immune systemDendritic cellsNatural killerCytokine productionHuman immunosenescenceT cellsImmune responseAdaptive immunityImmune systemInnate immunityImmunityAgeCellsDiverse cellsImmunosenescenceVaccinationNeutrophilsMonocytesInfectionToll-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
Dysregulation of TLR3 Impairs the Innate Immune Response to West Nile Virus in the Elderly
Kong KF, Delroux K, Wang X, Qian F, Arjona A, Malawista SE, Fikrig E, Montgomery RR. Dysregulation of TLR3 Impairs the Innate Immune Response to West Nile Virus in the Elderly. Journal Of Virology 2008, 82: 7613-7623. PMID: 18508883, PMCID: PMC2493309, DOI: 10.1128/jvi.00618-08.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAged, 80 and overCell Adhesion MoleculesCell LineCells, CulturedCytokinesFemaleHumansImmunity, InnateLectins, C-TypeMacrophagesMaleMiddle AgedNorth AmericaProtein BindingReceptors, Cell SurfaceSTAT1 Transcription FactorToll-Like Receptor 3Viral Envelope ProteinsWest Nile FeverWest Nile virusConceptsInnate immune responseToll-like receptor 3Intercellular adhesion molecule 3West Nile virusImmune responseYoung donorsC-type lectin dendritic cell-specific intercellular adhesion molecule 3Dendritic cell-specific intercellular adhesion molecule 3Nile virusBlood-brain barrierWNV envelope proteinSevere neurological diseaseResponsiveness of macrophagesPrimary human macrophagesCytokine levelsOlder donorsWNV infectionNeurological diseasesReceptor 3Human macrophagesOlder individualsElevated levelsMacrophagesMolecule 3Significant differencesWest Nile Virus Attenuates Activation of Primary Human Macrophages
Kong KF, Wang X, Anderson JF, Fikrig E, Montgomery RR. West Nile Virus Attenuates Activation of Primary Human Macrophages. Viral Immunology 2008, 21: 78-82. PMID: 18355125, PMCID: PMC2666911, DOI: 10.1089/vim.2007.0072.Peer-Reviewed Original ResearchConceptsWest Nile virusPrimary human macrophagesHuman macrophagesWNV infectionProduction of interleukinMosquito-borne flavivirusType I interferonProinflammatory cytokinesPotent therapyJAK/STAT pathwayIL-1betaEffective treatmentMacrophage activationI interferonRelated flavivirusesInfectionAttenuate activationNile virusMacrophagesSTAT pathwayFlavivirusesActivationDifferential responseInterleukinCytokines
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
2001
Murine Lyme Disease: No Evidence for Active Immune Down-Regulation in Resolving or Subclinical Infection
Montgomery R, Wang X, Malawista S. Murine Lyme Disease: No Evidence for Active Immune Down-Regulation in Resolving or Subclinical Infection. The Journal Of Infectious Diseases 2001, 183: 1631-1637. PMID: 11343212, DOI: 10.1086/320703.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBorrelia burgdorferi GroupDisease Models, AnimalFemaleFluorescent Antibody TechniqueInterleukin-1Interleukin-12Lyme DiseaseMacrophage ActivationMacrophagesMiceMyocarditisPeritoneumReverse Transcriptase Polymerase Chain ReactionRNA, MessengerSpecific Pathogen-Free OrganismsTumor Necrosis Factor-alphaConceptsActive diseaseAnti-inflammatory cytokine IL-10Proinflammatory cytokines IL-1Levels of proinflammatoryAnti-inflammatory cytokinesCytokine IL-10Double-label immunofluorescent stainingCytokines IL-1Reverse transcription-polymerase chain reaction analysisSemiquantitative reverse transcription-polymerase chain reaction (RT-PCR) analysisTranscription-polymerase chain reaction analysisInfected heartsIL-10IL-12Inflammatory activityCytokine expressionTumor necrosisLocal macrophagesIL-1Peritoneal cavitySubclinical infectionChain reaction analysisLevels of mRNAMacrophage activationImmune system
1996
Entry of Borrelia burgdorferi into macrophages is end-on and leads to degradation in lysosomes
Montgomery RR, Malawista SE. Entry of Borrelia burgdorferi into macrophages is end-on and leads to degradation in lysosomes. Infection And Immunity 1996, 64: 2867-2872. PMID: 8698527, PMCID: PMC174158, DOI: 10.1128/iai.64.7.2867-2872.1996.Peer-Reviewed Original Research
1994
Fc- And Non-Fc-Mediated Phagocytosis Of Borrelia Burgdorferi By Maerophages
Montgomery R, Nathanson M, Malawista S. Fc- And Non-Fc-Mediated Phagocytosis Of Borrelia Burgdorferi By Maerophages. The Journal Of Infectious Diseases 1994, 170: 890-893. PMID: 7930732, DOI: 10.1093/infdis/170.4.890.Peer-Reviewed Original ResearchConceptsConfocal fluorescence microscopyLyme disease spirocheteB. burgdorferiFluorescence microscopyBacterial surface antigensFc receptorsSurface antigenMacrophagesBorrelia burgdorferiSpirochetesBurgdorferiMajor roleSimilar lackComparable efficiencyUptakeColocalizationPhagocytosisInfectionAntigenLocalization
1993
The fate of Borrelia burgdorferi, the agent for Lyme disease, in mouse macrophages. Destruction, survival, recovery.
Montgomery RR, Nathanson MH, Malawista SE. The fate of Borrelia burgdorferi, the agent for Lyme disease, in mouse macrophages. Destruction, survival, recovery. The Journal Of Immunology 1993, 150: 909-15. PMID: 8423346, DOI: 10.4049/jimmunol.150.3.909.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBorrelia burgdorferi GroupCells, CulturedMacrophagesMiceMicroscopy, FluorescencePhagocytosisRabbitsConceptsUptake of spirochetesConfocal fluorescence microscopyLikely candidate siteEndocytic pathwayB. burgdorferiBorrelia burgdorferiFluorescence microscopyIntracellular persistenceLyme diseaseInfected cellsPersistence of spirochetesMouse macrophagesIntracellular organismsPositive compartmentsPossible pathogenetic mechanismsExtracellular organismsOrganismsAcridine orangeCellsMultiple time pointsPathogenetic mechanismsSpirochetesInfectious agentsCompartmentsLyme spirochete
1991
Accumulation of indigestible substances reduces fusion competence of macrophage lysosomes.
Montgomery RR, Webster P, Mellman I. Accumulation of indigestible substances reduces fusion competence of macrophage lysosomes. The Journal Of Immunology 1991, 147: 3087-95. PMID: 1919007, DOI: 10.4049/jimmunol.147.9.3087.Peer-Reviewed Original Research
1989
Endocytic and Secretory Repertoire of the Lipid-Loaded Macrophage
Montgomery R, Cohn Z. Endocytic and Secretory Repertoire of the Lipid-Loaded Macrophage. Journal Of Leukocyte Biology 1989, 45: 129-138. PMID: 2492592, DOI: 10.1002/jlb.45.2.129.Peer-Reviewed Original ResearchConceptsLipid-laden cellsOil Red O stainingTumor necrosis factorArachidonic acid metabolitesRed O stainingIntracellular lipid poolsWestern blot analysisIntracellular lipid storageMouse peritoneal macrophagesCholesterol levelsNecrosis factorMacrophage functionO stainingScavenger receptorsSecretory functionAcid metabolitesAtherosclerotic arteriesPeritoneal macrophagesFunctional changesFibrinolytic activitySheep erythrocytesCholesterol acceptorsMacrophagesSecretory productsLipid storage
1986
Effects of reagent and cell-generated hydrogen peroxide on the properties of low density lipoprotein.
Montgomery RR, Nathan CF, Cohn ZA. Effects of reagent and cell-generated hydrogen peroxide on the properties of low density lipoprotein. Proceedings Of The National Academy Of Sciences Of The United States Of America 1986, 83: 6631-6635. PMID: 3018740, PMCID: PMC386558, DOI: 10.1073/pnas.83.17.6631.Peer-Reviewed Original ResearchConceptsLow-density lipoproteinDensity lipoproteinHuman monocytesModification of LDLUntreated low-density lipoproteinOxidation of LDLThiobarbituric acidAortic endothelial cell linePhorbol myristate acetateEndothelial cell lineReactive oxygen intermediatesCell line monolayersRespiratory burstMyristate acetateMacrophagesMouse macrophagesReagent H2O2Cell linesOxygen intermediatesMonocytesLipoproteinTBA reactivityHuman plasmaMaximal oxidation