2012
Susceptibility to Progressive Cryptococcus neoformans Pulmonary Infection Is Regulated by Loci on Mouse Chromosomes 1 and 9
Carroll SF, Lafferty EI, Flaczyk A, Fujiwara TM, Homer R, Morgan K, Loredo-Osti JC, Qureshi ST. Susceptibility to Progressive Cryptococcus neoformans Pulmonary Infection Is Regulated by Loci on Mouse Chromosomes 1 and 9. Infection And Immunity 2012, 80: 4167-4176. PMID: 22988020, PMCID: PMC3497416, DOI: 10.1128/iai.00417-12.Peer-Reviewed Original ResearchConceptsC3H/HeN miceCBA/J miceHeN micePulmonary infectionJ miceFungal burdenSusceptible C3H/HeN miceInterleukin-5Cryptococcus neoformans Pulmonary InfectionIL-13 protein expressionHigher pulmonary expressionLung fungal burdenGoblet cell metaplasiaTh2 immune responsePathogenesis of pneumoniaIL-17 proteinCBA/JCryptococcal pneumoniaGreater airwayTissue neutrophiliaCryptococcal infectionCell metaplasiaIntratracheal infectionPulmonary inflammationTissue eosinophilia
2011
IFN-γ Acts on the Airway Epithelium To Inhibit Local and Systemic Pathology in Allergic Airway Disease
Mitchell C, Provost K, Niu N, Homer R, Cohn L. IFN-γ Acts on the Airway Epithelium To Inhibit Local and Systemic Pathology in Allergic Airway Disease. The Journal Of Immunology 2011, 187: 3815-3820. PMID: 21873527, PMCID: PMC3178669, DOI: 10.4049/jimmunol.1100436.Peer-Reviewed Original ResearchConceptsAirway epitheliumAllergic airway inflammationAllergic airway diseaseTh2 cell activationGoal of therapyProduction of IFNAdministration of medicationsSystemic side effectsAirway mucosal surfaceAirway epithelial cellsSites of inflammationIFN-γ actionAirway inflammationAirway obstructionPersistent asthmaRefractory asthmaAirway diseaseIFN-γRTh1 cellsPathological responseSystemic pathologyEffector functionsSide effectsBone marrowAsthma
2010
Epithelial reticulon 4B (Nogo-B) is an endogenous regulator of Th2-driven lung inflammation
Wright PL, Yu J, Di YP, Homer RJ, Chupp G, Elias JA, Cohn L, Sessa WC. Epithelial reticulon 4B (Nogo-B) is an endogenous regulator of Th2-driven lung inflammation. Journal Of Experimental Medicine 2010, 207: 2595-2607. PMID: 20975041, PMCID: PMC2989775, DOI: 10.1084/jem.20100786.Peer-Reviewed Original ResearchConceptsLung inflammationTh2-mediated lung inflammationSevere human asthmaAsthma-like phenotypeNonallergic miceHuman asthmaInflammation resultsKO miceLung tissueNogo expressionAirway epitheliumSmooth muscleReticulon 4BTransgenic miceLung epitheliumEpithelial reconstitutionMiceMarked reductionProtective genesEndogenous regulatorNogoInflammationLungPLUNCTransgenic expression
2009
Cutting Edge: Limiting MHC Class II Expression to Dendritic Cells Alters the Ability to Develop Th2- Dependent Allergic Airway Inflammation
Niu N, Laufer T, Homer RJ, Cohn L. Cutting Edge: Limiting MHC Class II Expression to Dendritic Cells Alters the Ability to Develop Th2- Dependent Allergic Airway Inflammation. The Journal Of Immunology 2009, 183: 1523-1527. PMID: 19596982, DOI: 10.4049/jimmunol.0901349.Peer-Reviewed Original ResearchConceptsAllergic airway inflammationMHC class II expressionAirway inflammationDendritic cellsClass II expressionTh2 generationTh2 immunityTh2-dependent allergic airway inflammationTh1 immune responseIFN-gamma productionAirway neutrophiliaTh2 primingRespiratory tractTh2 cellsImmune responseClass II signalsInflammationTh2 recruitmentMice resultsMiceCells altersImmunityActivationCellsNeutrophilia
2008
A Critical Role of SHP-1 in Regulation of Type 2 Inflammation in the Lung
Oh SY, Zheng T, Kim YK, Cohn L, Homer RJ, McKenzie AN, Zhu Z. A Critical Role of SHP-1 in Regulation of Type 2 Inflammation in the Lung. American Journal Of Respiratory Cell And Molecular Biology 2008, 40: 568-574. PMID: 18952567, PMCID: PMC2677436, DOI: 10.1165/rcmb.2008-0225oc.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBronchial HyperreactivityBronchoalveolar Lavage FluidCytokinesEpitheliumHypertrophyLungLymphocyte ActivationMetaplasiaMiceMice, Inbred C57BLMucin 5ACMucusPneumoniaProtein Tyrosine Phosphatase, Non-Receptor Type 6Pulmonary FibrosisSignal TransductionSTAT6 Transcription FactorTh2 CellsConceptsSHP-1Src homology 2 domain-containing protein tyrosine phosphataseProtein tyrosine phosphataseGene deletion approachIL-4/ILViable motheaten miceMev miceCritical roleTyrosine phosphataseKey genesNegative regulatorSignal transducerMolecular mechanismsCytokine receptorsMotheaten miceTranscription 6Critical moleculesDirect roleType 2 inflammationChronic inflammatory disordersHallmark of asthmaLung homeostasisPathwayGrowth factorAirway hyperresponsivenessAcidic Mammalian Chitinase Is Secreted via an ADAM17/Epidermal Growth Factor Receptor-dependent Pathway and Stimulates Chemokine Production by Pulmonary Epithelial Cells*
Hartl D, He CH, Koller B, Da Silva CA, Homer R, Lee CG, Elias JA. Acidic Mammalian Chitinase Is Secreted via an ADAM17/Epidermal Growth Factor Receptor-dependent Pathway and Stimulates Chemokine Production by Pulmonary Epithelial Cells*. Journal Of Biological Chemistry 2008, 283: 33472-33482. PMID: 18824549, PMCID: PMC2586247, DOI: 10.1074/jbc.m805574200.Peer-Reviewed Original ResearchConceptsEpidermal growth factor receptorLung epithelial cellsAcidic mammalian chitinaseChemokine productionEpithelial cellsT helper cell type 2 inflammationEpidermal growth factor receptor-dependent pathwayAsthma-like responsesType 2 inflammationMammalian chitinaseEpithelial cell productionReceptor-dependent pathwayPulmonary epithelial cellsEGFR-dependent pathwayGrowth factor receptorCotransfection experimentsEffector responsesParacrine fashionEGFR inhibitionSecretionFactor receptorA549 cellsAMCaseRecombinant AMCaseRegulatory effectsEnhanced Innate Immune Responsiveness to Pulmonary Cryptococcus neoformans Infection Is Associated with Resistance to Progressive Infection
Guillot L, Carroll SF, Homer R, Qureshi ST. Enhanced Innate Immune Responsiveness to Pulmonary Cryptococcus neoformans Infection Is Associated with Resistance to Progressive Infection. Infection And Immunity 2008, 76: 4745-4756. PMID: 18678664, PMCID: PMC2546841, DOI: 10.1128/iai.00341-08.Peer-Reviewed Original ResearchConceptsSJL/J miceKC/CXCL1Cryptococcus neoformans infectionC. neoformans infectionKeratinocyte-derived chemokineNeoformans infectionJ miceInnate immune responseTNF-alphaProgressive infectionImmune responseResistant SJL/J miceMIP-2/CXCL2Pulmonary C. neoformans infectionPulmonary Cryptococcus neoformans infectionPulmonary innate immune responseSJL/J macrophagesC. neoformansInflammatory cytokine tumor necrosis factor alphaEnhanced innate immune responseMIP-1alpha/CCL3IL-12/ILMCP-1/CCL2Cytokine tumor necrosis factor alphaTumor necrosis factor alphaEndogenous IL-11 Signaling Is Essential in Th2- and IL-13–Induced Inflammation and Mucus Production
Lee CG, Hartl D, Matsuura H, Dunlop FM, Scotney PD, Fabri LJ, Nash AD, Chen NY, Tang CY, Chen Q, Homer RJ, Baca M, Elias JA. Endogenous IL-11 Signaling Is Essential in Th2- and IL-13–Induced Inflammation and Mucus Production. American Journal Of Respiratory Cell And Molecular Biology 2008, 39: 739-746. PMID: 18617680, PMCID: PMC2586049, DOI: 10.1165/rcmb.2008-0053oc.Peer-Reviewed Original ResearchConceptsIL-13 productionMucus productionIL-11Th2 inflammationIL-11RalphaAerosol antigen challengeAirway mucus productionBronchoalveolar lavage (BAL) inflammationPulmonary Th2 responsesLevels of IgEIL-13 responsesEndogenous IL-11Null mutant miceBAL inflammationMucus metaplasiaEosinophilic inflammationTh2 responsesAntigen challengeIL-11 receptorWT miceTh2 cytokinesIntraperitoneal administrationInflammationMucus responseMurine lung
2007
Inhibition of NF-κB Activation Reduces the Tissue Effects of Transgenic IL-13
Chapoval SP, Al-Garawi A, Lora JM, Strickland I, Ma B, Lee PJ, Homer RJ, Ghosh S, Coyle AJ, Elias JA. Inhibition of NF-κB Activation Reduces the Tissue Effects of Transgenic IL-13. The Journal Of Immunology 2007, 179: 7030-7041. PMID: 17982094, DOI: 10.4049/jimmunol.179.10.7030.Peer-Reviewed Original ResearchMeSH KeywordsAdenoviridaeAnimalsApoptosisCaspasesHeterocyclic Compounds, 3-RingI-kappa B KinaseInflammationInhibitor of Apoptosis ProteinsInterleukin-13MiceMice, Mutant StrainsMice, TransgenicMucusNF-kappa B p50 SubunitPeptidesPulmonary AlveoliPulmonary FibrosisPyridinesReceptors, Cell SurfaceRespiratory HypersensitivitySignal TransductionTh2 CellsConceptsTransgenic IL-13IL-13Alveolar remodelingIL-13 transgenic miceNF-kappaBMajor Th2 cytokinesExcessive mucus productionTissue effectsNF-κB activationNF-kappaB activationNF-kappaB activityNF-kappaB componentsAirway hyperresponsivenessTh2 cytokinesTissue inflammationPharmacologic approachesMucus productionIL-13Ralpha1Murine lungSmall molecule inhibitorsTissue alterationsNF-kappaB.MiceCell apoptosisDiminished levelsAirway Epithelial STAT3 Is Required for Allergic Inflammation in a Murine Model of Asthma
Simeone-Penney MC, Severgnini M, Tu P, Homer RJ, Mariani TJ, Cohn L, Simon AR. Airway Epithelial STAT3 Is Required for Allergic Inflammation in a Murine Model of Asthma. The Journal Of Immunology 2007, 178: 6191-6199. PMID: 17475846, DOI: 10.4049/jimmunol.178.10.6191.Peer-Reviewed Original ResearchConceptsHouse dust miteAirway epitheliumAllergic inflammationRole of STAT3Murine modelNovel asthma therapiesSignificant decreaseSTAT3 activationTh2 cell recruitmentAcute phase responseWild-type animalsAirway hyperresponsivenessAirway eosinophiliaAirway inflammationAllergic asthmaAsthma therapyChronic asthmaLung inflammationC57BL/6 miceAllergic responsesDust miteEpithelial STAT3Immune cellsSmooth muscleSTAT3 transcription factorA Novel Pathway That Regulates Inflammatory Disease in the Respiratory Tract
Niu N, Le Goff MK, Li F, Rahman M, Homer RJ, Cohn L. A Novel Pathway That Regulates Inflammatory Disease in the Respiratory Tract. The Journal Of Immunology 2007, 178: 3846-3855. PMID: 17339484, DOI: 10.4049/jimmunol.178.6.3846.Peer-Reviewed Original ResearchConceptsAirway inflammationInflammatory diseasesRespiratory tractTh2-induced airway inflammationChronic airway inflammatory diseaseLymphocyte-deficient miceState of immunosuppressionAcute airway inflammationAirway inflammatory diseasesEffector Th cellsTh2 cells resultsAirway hyperresponsivenessInflammation wanesTh2 modelEffector Th1Respiratory illnessTh cellsInhalational exposureInflammationInhibitory effectSuch diseasesDiseaseStriking inhibitionTh1Localized treatment
2006
State of the Art. Mechanistic Heterogeneity in Chronic Obstructive Pulmonary Disease
Elias JA, Kang MJ, Crothers K, Homer R, Lee CG. State of the Art. Mechanistic Heterogeneity in Chronic Obstructive Pulmonary Disease. Annals Of The American Thoracic Society 2006, 3: 494-498. PMID: 16921126, DOI: 10.1513/pats.200603-068ms.Peer-Reviewed Original ResearchConceptsChronic obstructive pulmonary diseaseVascular endothelial growth factorSecretory leukocyte proteinase inhibitorTh1/Tc1Obstructive pulmonary diseaseAlveolar destructionIFN-gammaMatrix metalloproteinasesMucus metaplasiaPulmonary diseaseCCR5-dependent mechanismEmphysematous alveolar destructionCigarette smoke exposureCytokine IFN-gammaIFN-gamma responsesEndothelial growth factorApoptosis-independent pathwayCCR5/Pulmonary fibrosisPulmonary responseSmoke exposureIL-13CC chemokinesFibrotic responseMurine lungRole of Early Growth Response-1 (Egr-1) in Interleukin-13-induced Inflammation and Remodeling*
Cho SJ, Kang MJ, Homer RJ, Kang HR, Zhang X, Lee PJ, Elias JA, Lee CG. Role of Early Growth Response-1 (Egr-1) in Interleukin-13-induced Inflammation and Remodeling*. Journal Of Biological Chemistry 2006, 281: 8161-8168. PMID: 16439363, DOI: 10.1074/jbc.m506770200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBronchoalveolar LavageCaspasesCell DeathCollagenDNAEarly Growth Response Protein 1Enzyme InhibitorsFibrosisFlavonoidsImmunoblottingIn Situ Nick-End LabelingInflammationInterleukin-13LungMatrix Metalloproteinase 9MiceMice, Inbred C57BLMice, TransgenicMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3Models, BiologicalModels, StatisticalRNARNA, MessengerSTAT6 Transcription FactorTh2 CellsTime FactorsTransforming Growth Factor betaTransforming Growth Factor beta1TransgenesConceptsIL-13Early growth response 1IL-13-induced tissue responsesEgr-1Transgenic IL-13Matrix metalloproteinase-9Wild-type miceResponse 1Th2 inflammationCXC chemokinesMetalloproteinase-9Type miceMetalloproteinase-1Transgenic miceAlveolar remodelingTissue inhibitorInflammationPotent stimulatorImportant stimulatorMiceTissue effectsKey roleTissue responsePathogenesisApoptosis regulator
2005
Chitinases and chitinase-like proteins in TH2 inflammation and asthma
Elias JA, Homer RJ, Hamid Q, Lee CG. Chitinases and chitinase-like proteins in TH2 inflammation and asthma. Journal Of Allergy And Clinical Immunology 2005, 116: 497-500. PMID: 16159614, DOI: 10.1016/j.jaci.2005.06.028.Peer-Reviewed Original Research
2004
Acidic Mammalian Chitinase in Asthmatic Th2 Inflammation and IL-13 Pathway Activation
Zhu Z, Zheng T, Homer RJ, Kim YK, Chen NY, Cohn L, Hamid Q, Elias JA. Acidic Mammalian Chitinase in Asthmatic Th2 Inflammation and IL-13 Pathway Activation. Science 2004, 304: 1678-1682. PMID: 15192232, DOI: 10.1126/science.1095336.Peer-Reviewed Original ResearchConceptsTh2 inflammationAcidic mammalian chitinaseIL-13-induced responsesPathway activationTh2-dominated disordersMammalian chitinaseAirway hyperresponsivenessAsthma modelT helperHuman asthmaChemokine inductionInterleukin-13Exaggerated quantitiesImportant mediatorEpithelial cellsAsthmaInflammationActivationHyperresponsivenessInfection
2003
New insights into the pathogenesis of asthma
Elias JA, Lee CG, Zheng T, Ma B, Homer RJ, Zhu Z. New insights into the pathogenesis of asthma. Journal Of Clinical Investigation 2003, 111: 291-297. PMID: 12569150, PMCID: PMC151878, DOI: 10.1172/jci17748.Peer-Reviewed Original Research
2002
Cytokine Regulation of Mucus Production in a Model of Allergic Asthma
Cohn L, Whittaker L, Niu N, Homer RJ. Cytokine Regulation of Mucus Production in a Model of Allergic Asthma. Novartis Foundation Symposia 2002, 248: 201-220. PMID: 12568496, DOI: 10.1002/0470860790.ch13.BooksMeSH KeywordsAdministration, InhalationAnimalsAsthmaBronchoalveolar Lavage FluidCells, CulturedExocytosisGene Expression RegulationImmunizationInterferon-gammaInterferonsInterleukin-13Interleukin-13 Receptor alpha1 SubunitInterleukin-4Interleukin-5Interleukin-9Mast CellsMiceMice, TransgenicModels, AnimalMucinsMucusOvalbuminPeptide FragmentsPulmonary EosinophiliaRadiation ChimeraReceptors, Antigen, T-Cell, alpha-betaReceptors, InterleukinReceptors, Interleukin-13Receptors, Interleukin-4Respiratory SystemSignal TransductionTh1 CellsTh2 CellsConceptsAirway inflammationTh2 cellsMucus productionTh1 cellsT cell receptor transgenic CD4Airway inflammatory infiltrateDifferent lymphocyte subsetsBone marrow chimerasAbsence of interleukinAirway obstructionAllergic asthmaLymphocyte subsetsEosinophilic inflammationMucus hyperproductionInflammatory infiltrateClinical symptomsInflammatory cellsTh2 lymphocytesRecipient miceTh cellsTransgenic CD4Respiratory tractMast cellsCytokine regulationInflammationInterleukin-13 Mediates a Fundamental Pathway for Airway Epithelial Mucus Induced by CD4 T Cells and Interleukin-9
Whittaker L, Niu N, Temann U, Stoddard A, Flavell RA, Ray A, Homer RJ, Cohn L. Interleukin-13 Mediates a Fundamental Pathway for Airway Epithelial Mucus Induced by CD4 T Cells and Interleukin-9. American Journal Of Respiratory Cell And Molecular Biology 2002, 27: 593-602. PMID: 12397019, DOI: 10.1165/rcmb.4838.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCD4-Positive T-LymphocytesCells, CulturedGene Expression RegulationInterferon-gammaInterleukin-13Interleukin-9LungMiceMice, Inbred BALB CMice, Mutant StrainsMice, TransgenicMucin 5ACMucinsNF-kappa BReceptors, InterferonReceptors, Interleukin-4Recombinant ProteinsRespiratory MucosaSignal TransductionTh2 CellsConceptsIL-13Th2 cellsTh2-induced airway inflammationEpithelial mucusCD4 Th cellsCD4 T cellsAbsence of interleukinIL-13 actsNuclear factor-kappaBAsthma resultsTh2 effectsAirway inflammationMucus hyperproductionNegative infectionsTh cytokinesInflammatory cellsRecipient miceTh cellsIL-4IL-5Respiratory tractAirway epitheliumIL-9T cellsComplete blockade
2001
IL-4 Promotes Airway Eosinophilia by Suppressing IFN-γ Production: Defining a Novel Role for IFN-γ in the Regulation of Allergic Airway Inflammation
Cohn L, Herrick C, Niu N, Homer R, Bottomly K. IL-4 Promotes Airway Eosinophilia by Suppressing IFN-γ Production: Defining a Novel Role for IFN-γ in the Regulation of Allergic Airway Inflammation. The Journal Of Immunology 2001, 166: 2760-2767. PMID: 11160342, DOI: 10.4049/jimmunol.166.4.2760.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, CutaneousAdministration, IntranasalAdoptive TransferAnimalsBone Marrow CellsBone Marrow TransplantationBronchiCell MovementDown-RegulationEosinophilsFemaleHematopoietic Stem CellsInflammationInterferon-gammaInterleukin-13Interleukin-4Interleukin-5MaleMiceMice, Inbred BALB CMice, KnockoutMice, TransgenicOvalbuminPulmonary EosinophiliaReceptors, InterferonRespiratory HypersensitivityTh2 CellsUp-RegulationConceptsAirway eosinophiliaIL-4IFN-gammaTh2 cellsAirway eosinophilsIL-5Allergic airway inflammationIFN-γ productionTh2 cell generationAirway inflammationEosinophilic inflammationLung eosinophiliaLung parenchymalTh2 cytokinesIntranasal administrationRespiratory tractLung tissueCounterregulatory effectsEosinophiliaCell transferEosinophilsHemopoietic cellsInflammationAirwayIFN
2000
Endogenous and Exogenous IL-6 Inhibit Aeroallergen-Induced Th2 Inflammation
Wang J, Homer R, Chen Q, Elias J. Endogenous and Exogenous IL-6 Inhibit Aeroallergen-Induced Th2 Inflammation. The Journal Of Immunology 2000, 165: 4051-4061. PMID: 11034416, DOI: 10.4049/jimmunol.165.7.4051.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, IntranasalAerosolsAllergensAnimalsBronchial HyperreactivityChemokinesCytokinesGene Expression RegulationInflammationInterleukin-6LungMiceMice, Inbred BALB CMice, Inbred C57BLMice, Inbred CBAMice, KnockoutMice, TransgenicOvalbuminPlethysmography, Whole BodyPulmonary EosinophiliaRNA, MessengerTh2 CellsVascular Cell Adhesion Molecule-1ConceptsIL-6Wild-type miceIL-13 proteinTh2 inflammationBronchoalveolar lavageIL-4IL-5IFN-gammaSensitized wild-type miceIL-6-deficient miceMonocyte chemoattractant protein-1Exaggerated airway responseTh2-dominated inflammationBALB/c backgroundInflammatory protein-1alphaChemoattractant protein-1IL-6 productionExogenous IL-6Endothelial VCAM-1Airway responsesAirway responsivenessAsthmatic airwaysExaggerated inflammationDeficient miceVCAM-1