2021
Macrophage-derived netrin-1 drives adrenergic nerve–associated lung fibrosis
Gao R, Peng X, Perry C, Sun H, Ntokou A, Ryu C, Gomez JL, Reeves BC, Walia A, Kaminski N, Neumark N, Ishikawa G, Black KE, Hariri LP, Moore MW, Gulati M, Homer RJ, Greif DM, Eltzschig HK, Herzog EL. Macrophage-derived netrin-1 drives adrenergic nerve–associated lung fibrosis. Journal Of Clinical Investigation 2021, 131: e136542. PMID: 33393489, PMCID: PMC7773383, DOI: 10.1172/jci136542.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBleomycinFemaleLungMacrophagesMaleMiceMice, TransgenicNetrin-1NorepinephrinePulmonary FibrosisConceptsNetrin-1Lung fibrosisCell-specific knockout miceΑ1-adrenoreceptor blockadeIPF lung tissueNeuronal guidance proteinsNetrin-1 expressionExtracellular matrix accumulationAdrenergic processesAdrenoreceptor antagonismAdrenoreceptor blockadeFibrotic histologyInflammatory scarringIPF cohortAdrenergic nervesΑ1-blockersImproved survivalColorectal carcinomaLung tissueKnockout miceCollagen accumulationFibrosisMatrix accumulationMacrophagesGuidance proteins
2017
Thyroid hormone inhibits lung fibrosis in mice by improving epithelial mitochondrial function
Yu G, Tzouvelekis A, Wang R, Herazo-Maya JD, Ibarra GH, Srivastava A, de Castro JPW, DeIuliis G, Ahangari F, Woolard T, Aurelien N, Arrojo e Drigo R, Gan Y, Graham M, Liu X, Homer RJ, Scanlan TS, Mannam P, Lee PJ, Herzog EL, Bianco AC, Kaminski N. Thyroid hormone inhibits lung fibrosis in mice by improving epithelial mitochondrial function. Nature Medicine 2017, 24: 39-49. PMID: 29200204, PMCID: PMC5760280, DOI: 10.1038/nm.4447.Peer-Reviewed Original ResearchDiagnosing idiopathic pulmonary fibrosis without a lung biopsy: honeycombing not required
Homer R, Lederer DJ. Diagnosing idiopathic pulmonary fibrosis without a lung biopsy: honeycombing not required. Thorax 2017, 72: 391. PMID: 28280234, DOI: 10.1136/thoraxjnl-2016-209831.Peer-Reviewed Original Research
2016
Plexin C1 deficiency permits synaptotagmin 7–mediated macrophage migration and enhances mammalian lung fibrosis
Peng X, Moore M, Mathur A, Zhou Y, Sun H, Gan Y, Herazo‐Maya J, Kaminski N, Hu X, Pan H, Ryu C, Osafo‐Addo A, Homer RJ, Feghali‐Bostwick C, Fares W, Gulati M, Hu B, Lee C, Elias JA, Herzog EL. Plexin C1 deficiency permits synaptotagmin 7–mediated macrophage migration and enhances mammalian lung fibrosis. The FASEB Journal 2016, 30: 4056-4070. PMID: 27609773, PMCID: PMC5102121, DOI: 10.1096/fj.201600373r.Peer-Reviewed Original ResearchConceptsLung fibrosisPlexin C1Macrophage migrationPulmonary fibrosisBone marrow-derived cellsSynaptotagmin-7Idiopathic pulmonary fibrosisInterstitial lung diseaseMarrow-derived cellsTGF-β1 overexpressionFatal conditionLung diseaseMonocyte migrationUnrecognized observationCollagen accumulationFibrosisMice showBoyden chamberGenetic deletionLungMouse macrophagesSemaphorin receptorsMacrophagesC1s deficiencyDeficiencyThe Airway in Idiopathic Pulmonary Fibrosis: Protecting the Lung or Promoting Disease?
Ryu C, Homer RJ, Herzog EL. The Airway in Idiopathic Pulmonary Fibrosis: Protecting the Lung or Promoting Disease? American Journal Of Respiratory And Critical Care Medicine 2016, 193: 1081-1082. PMID: 27174477, PMCID: PMC4872674, DOI: 10.1164/rccm.201601-0055ed.Peer-Reviewed Original Research
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
2012
Interstitial Lung Disease in the Connective Tissue Diseases
Antin-Ozerkis D, Rubinowitz A, Evans J, Homer RJ, Matthay RA. Interstitial Lung Disease in the Connective Tissue Diseases. Clinics In Chest Medicine 2012, 33: 123-149. PMID: 22365251, DOI: 10.1016/j.ccm.2012.01.004.Peer-Reviewed Original ResearchConceptsConnective tissue diseaseInterstitial lung diseaseLung diseaseTissue diseaseIdiopathic interstitial lung diseaseFulminant respiratory failureCTD-ILDRespiratory failureImmunosuppressive agentsHealthy patientsDrug reactionsFirst manifestationGradual onsetDiseaseCareful searchSubtle evidenceDyspneaCorticosteroidsCoughPatientsInfectionDiagnosis
2011
Role of semaphorin 7a signaling in transforming growth factor β1–induced lung fibrosis and scleroderma‐related interstitial lung disease
Gan Y, Reilkoff R, Peng X, Russell T, Chen Q, Mathai SK, Homer R, Gulati M, Siner J, Elias J, Bucala R, Herzog E. Role of semaphorin 7a signaling in transforming growth factor β1–induced lung fibrosis and scleroderma‐related interstitial lung disease. Arthritis & Rheumatism 2011, 63: 2484-2494. PMID: 21484765, PMCID: PMC3651701, DOI: 10.1002/art.30386.Peer-Reviewed Original ResearchConceptsPeripheral blood mononuclear cellsInterstitial lung diseaseBone marrow-derived cellsMarrow-derived cellsSemaphorin 7AGrowth factor-β1Lung diseaseLung fibrosisFactor-β1Human peripheral blood mononuclear cellsNormal human peripheral blood mononuclear cellsSemaphorin 7a expressionBone marrow transplantationBlood mononuclear cellsReceptor β1 integrinΒ1 integrinFibrocyte differentiationMarrow transplantationPulmonary fibrosisMononuclear cellsProfibrotic effectsTGFβ1 geneMurine modelFibrosisTissue accumulationModern concepts on the role of inflammation in pulmonary fibrosis.
Homer RJ, Elias JA, Lee CG, Herzog E. Modern concepts on the role of inflammation in pulmonary fibrosis. Archives Of Pathology & Laboratory Medicine 2011, 135: 780-8. PMID: 21631273, DOI: 10.5858/2010-0296-ra.1.BooksConceptsRole of inflammationIdiopathic pulmonary fibrosisPulmonary fibrosisTherapeutic interventionsResult of inflammationCell deathLung transplantationCytokine environmentMacrophage polarizationInflammationFibrosisLethal diseaseLimited biomarkersClinical contextDisease biomarkersBiomarkersDeathInterventionUnpublished researchTransplantationLungDisease
2010
TGF-beta driven lung fibrosis is macrophage dependent and blocked by Serum amyloid P
Murray LA, Chen Q, Kramer MS, Hesson DP, Argentieri RL, Peng X, Gulati M, Homer RJ, Russell T, van Rooijen N, Elias JA, Hogaboam CM, Herzog EL. TGF-beta driven lung fibrosis is macrophage dependent and blocked by Serum amyloid P. The International Journal Of Biochemistry & Cell Biology 2010, 43: 154-162. PMID: 21044893, DOI: 10.1016/j.biocel.2010.10.013.Peer-Reviewed Original ResearchConceptsSerum amyloid PAnti-fibrotic effectsLung fibrosisFibrocyte accumulationAmyloid PAberrant extracellular matrix (ECM) depositionTransgenic mouse modelM2 macrophage differentiationPleiotropic growth factorExtracellular matrix depositionAirway inflammationIPF patientsAirway remodelingPulmonary fibrosisMacrophage accumulationLung diseaseLiposomal clodronateCXCL10 expressionM2 macrophagesMonocyte responsePulmonary macrophagesMouse modelCollagen depositionPathogenic mechanismsDisease severityInhibition of pulmonary fibrosis in mice by CXCL10 requires glycosaminoglycan binding and syndecan-4
Jiang D, Liang J, Campanella GS, Guo R, Yu S, Xie T, Liu N, Jung Y, Homer R, Meltzer EB, Li Y, Tager AM, Goetinck PF, Luster AD, Noble PW. Inhibition of pulmonary fibrosis in mice by CXCL10 requires glycosaminoglycan binding and syndecan-4. Journal Of Clinical Investigation 2010, 120: 2049-2057. PMID: 20484822, PMCID: PMC2877927, DOI: 10.1172/jci38644.Peer-Reviewed Original ResearchConceptsPulmonary fibrosisCXCL10 proteinAcute lung injuryExcess extracellular matrix productionLung fibroblast migrationSyndecan-4Myofibroblast recruitmentLung injuryLung functionSubsequent fibrosisNeutrophil recruitmentInterstitial fibrosisWT miceIntratracheal instillationSyndecan-4 expressionNovel therapiesMigration of fibroblastsFibrosisBleomycin treatmentCXCL10Fibroblast recruitmentExtracellular matrix productionHeparan sulfate proteoglycan syndecan-4Interstitial compartmentMice
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 hyperresponsiveness
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 levelsSemaphorin 7A plays a critical role in TGF-β1–induced pulmonary fibrosis
Kang HR, Lee CG, Homer RJ, Elias JA. Semaphorin 7A plays a critical role in TGF-β1–induced pulmonary fibrosis. Journal Of Experimental Medicine 2007, 204: 1083-1093. PMID: 17485510, PMCID: PMC2118575, DOI: 10.1084/jem.20061273.Peer-Reviewed Original ResearchMeSH KeywordsAnalysis of VarianceAnimalsAntigens, CDApoptosisCollagenDNA DamageImmunoblottingImmunohistochemistryIn Situ HybridizationIn Situ Nick-End LabelingIntegrin beta1MiceMice, TransgenicNerve Tissue ProteinsPhosphatidylinositol 3-KinasesProto-Oncogene Proteins c-aktPulmonary AlveoliPulmonary FibrosisReceptors, Cell SurfaceReverse Transcriptase Polymerase Chain ReactionSemaphorinsTransforming Growth Factor beta1ConceptsProtein kinase BSEMA 7APKB/Akt inhibitionAkt-dependent pathwayCritical roleSemaphorin 7ACCN proteinsFibroblast growth factor-2Kinase BCritical regulatorApoptosis regulatorMatrix proteinsGrowth factor 2Akt inhibitionBeta1 integrinReceptor componentsTissue remodelingFactor 2Fibrotic stimuliSmad 2/3Myofibroblast hyperplasiaGrowth factorRegulatorCentral roleProteinTransforming Growth Factor (TGF)-β1 Stimulates Pulmonary Fibrosis and Inflammation via a Bax-dependent, Bid-activated Pathway That Involves Matrix Metalloproteinase-12*
Kang HR, Cho SJ, Lee CG, Homer RJ, Elias JA. Transforming Growth Factor (TGF)-β1 Stimulates Pulmonary Fibrosis and Inflammation via a Bax-dependent, Bid-activated Pathway That Involves Matrix Metalloproteinase-12*. Journal Of Biological Chemistry 2007, 282: 7723-7732. PMID: 17209037, DOI: 10.1074/jbc.m610764200.Peer-Reviewed Original ResearchConceptsMMP-12Pulmonary fibrosisWild typeGrowth factorInterstitial lung diseaseEffects of TGFMatrix metalloproteinase-12Pulmonary diseaseExaggerated productionPulmonary responseLung diseaseMMP-9Effector functionsTIMP-1Matrix metalloproteinaseFibrosisPotent stimulatorMetalloproteinase-12TGFBax activationInflammationPathogenesisBaxApoptosisDisease
2006
Role of 5-Lipoxygenase in IL-13-Induced Pulmonary Inflammation and Remodeling
Shim YM, Zhu Z, Zheng T, Lee CG, Homer RJ, Ma B, Elias JA. Role of 5-Lipoxygenase in IL-13-Induced Pulmonary Inflammation and Remodeling. The Journal Of Immunology 2006, 177: 1918-1924. PMID: 16849505, DOI: 10.4049/jimmunol.177.3.1918.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsArachidonate 5-LipoxygenaseChronic DiseaseDinoprostoneInflammationInterleukin-13LeukotrienesLungMatrix Metalloproteinase 12MetalloendopeptidasesMiceMice, Inbred C57BLMice, KnockoutMice, TransgenicPulmonary AlveoliPulmonary FibrosisSignal TransductionTransforming Growth Factor betaTransforming Growth Factor beta1ConceptsIL-13-induced inflammationIL-13Transgenic IL-13Activation of TGFMatrix metalloproteinase-12Th2 inflammationPulmonary inflammationC57BL/6 miceChronic inflammationCysteinyl LTsFibrotic responseLevels of mRNATissue fibrosisLT metabolismInflammationAlveolar remodelingReceptor 1Metalloproteinase-12Pathway activationExaggerated levelsOptimal stimulationCytosolic phospholipasePathogenesisActivation pathwayRemodelingGenetic Control of Transforming Growth Factor-β1–induced Emphysema and Fibrosis in the Murine Lung
Lee CG, Cho S, Homer RJ, Elias JA. Genetic Control of Transforming Growth Factor-β1–induced Emphysema and Fibrosis in the Murine Lung. Annals Of The American Thoracic Society 2006, 3: 476a-477. PMID: 16921114, DOI: 10.1513/pats.200603-040ms.Peer-Reviewed Original ResearchTransgenic Modeling of Transforming Growth Factor-β1
Lee CG, Kang HR, Homer RJ, Chupp G, Elias JA. Transgenic Modeling of Transforming Growth Factor-β1. Annals Of The American Thoracic Society 2006, 3: 418-423. PMID: 16799085, PMCID: PMC2658706, DOI: 10.1513/pats.200602-017aw.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisDNAGene ExpressionHumansPulmonary AlveoliPulmonary FibrosisTransforming Growth Factor betaTransforming Growth Factor beta1ConceptsTissue fibrosisMucus metaplasiaIL-13Alveolar remodelingSpecific chemokine receptorsTransforming Growth Factor-β1Vascular endothelial growth factorGrowth factor-β1Endothelial growth factorEosinophilic inflammationTh2 responsesVascular responsesChemokine receptorsCC chemokinesPathologic fibrosisMurine lungEpithelial apoptosisFactor-β1Transgenic miceFibrosisPotent stimulatorAdenosine metabolismIL-11Transgenic modelingInflammation
2005
Back to the Future
Noble PW, Homer RJ. Back to the Future. American Journal Of Respiratory Cell And Molecular Biology 2005, 33: 113-120. PMID: 16024580, DOI: 10.1165/rcmb.f301.Peer-Reviewed Original ResearchIL-11 Receptor α in the Pathogenesis of IL-13-Induced Inflammation and Remodeling
Chen Q, Rabach L, Noble P, Zheng T, Lee CG, Homer RJ, Elias JA. IL-11 Receptor α in the Pathogenesis of IL-13-Induced Inflammation and Remodeling. The Journal Of Immunology 2005, 174: 2305-2313. PMID: 15699166, DOI: 10.4049/jimmunol.174.4.2305.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsChemokines, CCFibroblastsHyaluronic AcidHyperoxiaInflammationInterleukin-11Interleukin-11 Receptor alpha SubunitInterleukin-13Interleukin-13 Receptor alpha1 SubunitLungMatrix MetalloproteinasesMetaplasiaMiceMice, Inbred C57BLMice, KnockoutMice, TransgenicMucinsProtein SubunitsPulmonary AlveoliPulmonary FibrosisReceptors, InterleukinReceptors, Interleukin-11Receptors, Interleukin-13Respiratory InsufficiencySignal TransductionTransforming Growth Factor betaTransforming Growth Factor beta1ConceptsIL-13-induced inflammationIL-13IL-11IL-11RalphaIL-13-induced tissue responsesPotent stimulatorTransgenic IL-13Tissue effectsWild-type miceHyaluronic acid accumulationMucus metaplasiaTh2 inflammationRespiratory failureInflammatory disordersGob-5Major stimulatorCC chemokinesMyofibroblast accumulationInflammationTransgenic miceAlveolar remodelingReceptor αMatrix metalloproteinasesMiceDependent pathway