2012
Semaphorin 7a+ Regulatory T Cells Are Associated with Progressive Idiopathic Pulmonary Fibrosis and Are Implicated in Transforming Growth Factor-β1–induced Pulmonary Fibrosis
Reilkoff RA, Peng H, Murray LA, Peng X, Russell T, Montgomery R, Feghali-Bostwick C, Shaw A, Homer RJ, Gulati M, Mathur A, Elias JA, Herzog EL. Semaphorin 7a+ Regulatory T Cells Are Associated with Progressive Idiopathic Pulmonary Fibrosis and Are Implicated in Transforming Growth Factor-β1–induced Pulmonary Fibrosis. American Journal Of Respiratory And Critical Care Medicine 2012, 187: 180-188. PMID: 23220917, PMCID: PMC3570653, DOI: 10.1164/rccm.201206-1109oc.Peer-Reviewed Original ResearchConceptsIdiopathic pulmonary fibrosisRegulatory T cellsProgressive idiopathic pulmonary fibrosisSEMA 7ATGF-β1Pulmonary fibrosisLung fibrosisT cellsMurine lungIL-10Bone marrow-derived cellsAdoptive transfer approachT-cell mediatorsMarrow-derived cellsTransforming Growth Factor-β1Murine lung fibrosisGrowth factor-β1Lung CD4Adoptive transferIL-17AIL-4Disease progressionSemaphorin 7ACD4Mouse model
2008
IL-13 Receptor α2 Selectively Inhibits IL-13-Induced Responses in the Murine Lung
Zheng T, Liu W, Oh SY, Zhu Z, Hu B, Homer RJ, Cohn L, Grusby MJ, Elias JA. IL-13 Receptor α2 Selectively Inhibits IL-13-Induced Responses in the Murine Lung. The Journal Of Immunology 2008, 180: 522-529. PMID: 18097054, DOI: 10.4049/jimmunol.180.1.522.Peer-Reviewed Original ResearchConceptsIL-13Ralpha2Pulmonary inflammationIL-13Inflammatory responseMurine lungHigh-affinity IL-13 receptorsTransgenic IL-13IL-13 receptor α2Production of chemokinesEnhanced inflammatory responseIL-13 receptorMucus metaplasiaTh2 inflammationAirway remodelingSubepithelial fibrosisIL-4Receptor α2Critical cytokineIL-13Ralpha1IL-4RalphaDecoy receptorPhysiologic responsesInflammationTissue effectsReceptors
2006
Adenosine metabolism and murine strain–specific IL-4–induced inflammation, emphysema, and fibrosis
Ma B, Blackburn MR, Lee CG, Homer RJ, Liu W, Flavell RA, Boyden L, Lifton RP, Sun CX, Young HW, Elias JA. Adenosine metabolism and murine strain–specific IL-4–induced inflammation, emphysema, and fibrosis. Journal Of Clinical Investigation 2006, 116: 1274-1283. PMID: 16670768, PMCID: PMC1451205, DOI: 10.1172/jci26372.Peer-Reviewed Original ResearchConceptsIL-4C57BL/6 miceBALB/cAirway fibrosisEosinophilic inflammationAdenosine metabolismEmphysematous alveolar destructionTissue adenosine levelsAdenosine receptor expressionIL-4 inducesAdenosine deaminase activityAlveolar destructionTh1 cytokinesC57BL/6 animalsEmphysematous destructionAdenosine levelsReceptor expressionTg animalsMurine lungMetalloproteinase-2Alveolar remodelingTissue inhibitorFibrosisInflammationPremature death
2003
Cytokine regulation of IL-13Rα2 and IL-13Rα1 in vivo and in vitro
Zheng T, Zhu Z, Liu W, Lee CG, Chen Q, Homer RJ, Elias JA. Cytokine regulation of IL-13Rα2 and IL-13Rα1 in vivo and in vitro. Journal Of Allergy And Clinical Immunology 2003, 111: 720-728. PMID: 12704349, DOI: 10.1067/mai.2003.1383.Peer-Reviewed Original ResearchConceptsIL-13Ralpha1 mRNAIL-13IL-13Ralpha2IL-13Ralpha1IL-4IFN-gammaRegulatory eventsTransgenic IL-13Epithelial cellsIL-13 responsesMRNA accumulationAirway epithelial cellsSites of inflammationIL-13 signalsIL-13 stimulationHigh-affinity receptorIL-10Lung fragmentsControl miceOverexpression miceIL-13Rα2Cytokine regulationIL-4RalphaIL-13Rα1Receptor subunits
2002
Interleukin-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-1IL-11 Selectively Inhibits Aeroallergen-Induced Pulmonary Eosinophilia and Th2 Cytokine Production
Wang J, Homer R, Hong L, Cohn L, Lee C, Jung S, Elias J. IL-11 Selectively Inhibits Aeroallergen-Induced Pulmonary Eosinophilia and Th2 Cytokine Production. The Journal Of Immunology 2000, 165: 2222-2231. PMID: 10925310, DOI: 10.4049/jimmunol.165.4.2222.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, InhalationAerosolsAllergensAnimalsBronchoalveolar Lavage FluidCytokinesGene Expression RegulationHumansImmunizationInterleukin-11MiceMice, Inbred BALB CMice, Inbred C57BLMice, Inbred CBAMice, TransgenicMucinsMucusOvalbuminPulmonary EosinophiliaRecombinant ProteinsRespiratory MucosaSpecies SpecificityTh2 CellsTurkeysVascular Cell Adhesion Molecule-1ConceptsTh2 cell accumulationIL-11OVA challengeMucus hypersecretionIL-4IL-5VCAM-1Cell accumulationMucin 5AC (MUC5AC) gene expressionVCAM-1 gene expressionAg-specific IgEBronchoalveolar lavage (BAL) inflammationLung IL-4Th2 cytokine productionIFN-gamma productionEndothelial-cell VCAM-1IL-13 mRNAIL-13 proteinChemoattractant protein 2Chemoattractant protein-3Mucus metaplasiaTh1 inflammationPulmonary eosinophiliaTh2 inflammationAirway inflammation
1999
Inhibition of Allergic Inflammation in a Murine Model of Asthma by Expression of a Dominant-Negative Mutant of GATA-3
Zhang D, Yang L, Cohn L, Parkyn L, Homer R, Ray P, Ray A. Inhibition of Allergic Inflammation in a Murine Model of Asthma by Expression of a Dominant-Negative Mutant of GATA-3. Immunity 1999, 11: 473-482. PMID: 10549629, DOI: 10.1016/s1074-7613(00)80122-3.Peer-Reviewed Original ResearchMeSH KeywordsAerosolsAmino Acid SubstitutionAnimalsAsthmaBronchoalveolar Lavage FluidDNA-Binding ProteinsDrug HypersensitivityEosinophiliaGATA3 Transcription FactorGene Expression RegulationGenes, DominantImmunizationImmunoglobulin EInflammationInterleukin-13Interleukin-4Interleukin-5LungMiceMice, Inbred C57BLMice, TransgenicMucusMutagenesis, Site-DirectedOvalbuminTh2 CellsTrans-ActivatorsConceptsCytokines IL-4GATA-3IL-13IL-4IL-5Th2 cytokines IL-4Pathogenesis of asthmaTreatment of asthmaTranscription factor GATA-3Potential therapeutic targetAirway eosinophiliaTh2 responsesAllergic inflammationAllergic diseasesTh2 cytokinesT-cell-specific fashionTh1 cellsIgE synthesisTh2 cellsMucus productionMurine modelTherapeutic targetTransgenic miceAsthmaDominant negative mutantTh2-induced airway mucus production is dependent on IL-4Ralpha, but not on eosinophils.
Cohn L, Homer RJ, MacLeod H, Mohrs M, Brombacher F, Bottomly K. Th2-induced airway mucus production is dependent on IL-4Ralpha, but not on eosinophils. The Journal Of Immunology 1999, 162: 6178-83. PMID: 10229862, DOI: 10.4049/jimmunol.162.10.6178.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, InhalationAnimalsAsthmaBronchiEosinophiliaEosinophilsInterleukin-13 Receptor alpha1 SubunitInterleukin-4Interleukin-5Mast CellsMiceMice, Inbred BALB CMice, Inbred C57BLMice, Mutant StrainsMice, TransgenicMucusOvalbuminReceptors, InterleukinReceptors, Interleukin-13Receptors, Interleukin-4Th2 CellsConceptsMucus productionTh2 cellsAirway eosinophiliaAirway inflammationIL-4RalphaAirway mucus productionCD4 Th2 cellsAirway obstructionBAL eosinophiliaHuman asthmaticsMucus hyperproductionClinical symptomsIL-13Recipient miceTh1 cellsIL-4IL-5Respiratory tractEosinophiliaMast cellsAnimal modelsEosinophilsMarked increaseCell stimulationMucus
1997
Induction of Airway Mucus Production By T Helper 2 (Th2) Cells: A Critical Role For Interleukin 4 In Cell Recruitment But Not Mucus Production
Cohn L, Homer R, Marinov A, Rankin J, Bottomly K. Induction of Airway Mucus Production By T Helper 2 (Th2) Cells: A Critical Role For Interleukin 4 In Cell Recruitment But Not Mucus Production. Journal Of Experimental Medicine 1997, 186: 1737-1747. PMID: 9362533, PMCID: PMC2199146, DOI: 10.1084/jem.186.10.1737.Peer-Reviewed Original ResearchConceptsTh2 cellsMucus productionAirway inflammationIL-4Asthmatic patientsCell recruitmentOVA-specific Th2 cellsT helper 2 cellsIL-4-deficient miceAirway mucus productionOVA-specific TCRRole of Th1CD4 T cellsImportant clinical symptomInduction of inflammationTh2 cell recruitmentCD4 Th1Airway biopsiesClinical symptomsTh1 cellsTNF-alphaT cellsInterleukin-4Effector functionsMucus secretion