2016
Age-related alterations in immune responses to West Nile virus infection
Montgomery R. Age-related alterations in immune responses to West Nile virus infection. Clinical & Experimental Immunology 2016, 187: 26-34. PMID: 27612657, PMCID: PMC5167051, DOI: 10.1111/cei.12863.Peer-Reviewed Original ResearchConceptsWest Nile virusToll-like receptorsDendritic cellsSevere diseaseBlood-brain barrier permeabilityImportant public health concernWest Nile virus infectionHuman dendritic cellsNatural killer cellsAnti-viral responseMonocytes/macrophagesPathogen recognition receptorsAge-related alterationsSpecific immune parametersPublic health concernImportant causative agentAge-related impairmentIndividual host factorsAge-related changesKiller cellsViral encephalitisImmune cellsRisk factorsBarrier permeabilityHigh prevalenceRole of Immune Aging in Susceptibility to West Nile Virus
Yao Y, Montgomery RR. Role of Immune Aging in Susceptibility to West Nile Virus. Methods In Molecular Biology 2016, 1435: 235-247. PMID: 27188562, PMCID: PMC4941816, DOI: 10.1007/978-1-4939-3670-0_18.Peer-Reviewed Original ResearchConceptsWest Nile virusImmune dysregulationWNV infectionSevere neuroinvasive diseaseInnate immune cellsΓδ T cellsNile virusProminent risk factorAge-dependent dysregulationAge-related alterationsDendritic cellsNK cellsImmune agingNeuroinvasive diseaseImmune cellsRisk factorsT cellsImmune responseSpecific treatmentTherapeutic interventionsOlder peopleInfectionMass cytometryHost susceptibilityDysregulation
2014
Systems Immunology Reveals Markers of Susceptibility to West Nile Virus Infection
Qian F, Goel G, Meng H, Wang X, You F, Devine L, Raddassi K, Garcia MN, Murray KO, Bolen CR, Gaujoux R, Shen-Orr SS, Hafler D, Fikrig E, Xavier R, Kleinstein SH, Montgomery RR. Systems Immunology Reveals Markers of Susceptibility to West Nile Virus Infection. MSphere 2014, 22: 6-16. PMID: 25355795, PMCID: PMC4278927, DOI: 10.1128/cvi.00508-14.Peer-Reviewed Original ResearchConceptsWest Nile virus infectionVirus infectionMyeloid dendritic cellsMarker of susceptibilityPotential therapeutic strategySeverity of infectionSevere neurological diseaseOlder patientsAcute infectionDendritic cellsCXCL10 expressionDetectable yearsImmunity-related genesStratified cohortWNV infectionTherapeutic strategiesPathogenic mechanismsAnimal studiesNeurological diseasesDisease severityVivo infectionPredictive signatureInfectionProminent alterationsPrimary cells
2012
Quantitative imaging of lineage-specific Toll-like receptor-mediated signaling in monocytes and dendritic cells from small samples of human blood.
Qian F, Montgomery RR. Quantitative imaging of lineage-specific Toll-like receptor-mediated signaling in monocytes and dendritic cells from small samples of human blood. Journal Of Visualized Experiments 2012 PMID: 22525943, PMCID: PMC3466655, DOI: 10.3791/3741.Peer-Reviewed Original ResearchConceptsToll-like receptorsDendritic cellsImmune responseToll-like receptor-mediated signalingCell-mediated immune responsesCertain Toll-like receptorsAntigen-presenting cellsPeripheral blood monocytesHealthy human donorsNF-κB pathwayInnate immune systemReceptor-mediated signalingQuantitative flow cytometryTLR levelsWest Nile virusPatient susceptibilityUnderstanding of immunosenescenceImmune responsivenessElderly donorsLarge cohortOlder donorsAdaptive immunityBlood monocytesNF-κBTherapeutic interventions
2011
Age‐associated elevation in TLR5 leads to increased inflammatory responses in the elderly
Qian F, Wang X, Zhang L, Chen S, Piecychna M, Allore H, Bockenstedt L, Malawista S, Bucala R, Shaw AC, Fikrig E, Montgomery RR. Age‐associated elevation in TLR5 leads to increased inflammatory responses in the elderly. Aging Cell 2011, 11: 104-110. PMID: 22023165, PMCID: PMC3257374, DOI: 10.1111/j.1474-9726.2011.00759.x.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAgingExtracellular Signal-Regulated MAP KinasesFemaleHumansInflammationInterleukin-8MaleMiddle AgedMonocytesMultivariate AnalysisNF-kappa BP38 Mitogen-Activated Protein KinasesPhosphorylationProtein TransportRNA, MessengerSignal TransductionToll-Like Receptor 5Tumor Necrosis Factor-alphaConceptsToll-like receptorsIL-8Multivariable mixed-effects modelsOlder individualsElevated IL-8Levels of TLR5Expression of TLR5Production of TNFAge-associated elevationAge-related decreaseDendritic cellsImmune responsivenessElderly donorsInflammatory responseImmune functionNF-κBTLR5Progressive declineMonocytesMixed effects modelsMAPK p38Significant increaseEffects modelAssociated increaseCritical mechanismImpaired Interferon Signaling in Dendritic Cells From Older Donors Infected In Vitro With West Nile Virus
Qian F, Wang X, Zhang L, Lin A, Zhao H, Fikrig E, Montgomery RR. Impaired Interferon Signaling in Dendritic Cells From Older Donors Infected In Vitro With West Nile Virus. The Journal Of Infectious Diseases 2011, 203: 1415-1424. PMID: 21398396, PMCID: PMC3080893, DOI: 10.1093/infdis/jir048.Peer-Reviewed Original ResearchConceptsDendritic cellsWest Nile virusOlder donorsAntiviral responseToll-like receptor 3Initial antiviral responseLate-phase responseNile virusSignificant age-related differencesSignificant human morbidityType I IFNQuantified cytokinesRNA flavivirusAge-related differencesYoung donorsI IFNReceptor RIGViral infectionReceptor 3Human morbidityOlder populationCritical regulatory pathwaysInterferon SignalingNuclear translocationDefective regulation
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
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 cellsImmunosenescenceVaccinationNeutrophilsMonocytesInfection