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
2020
Mouse model of SARS-CoV-2 reveals inflammatory role of type I interferon signaling
Israelow B, Song E, Mao T, Lu P, Meir A, Liu F, Alfajaro MM, Wei J, Dong H, Homer RJ, Ring A, Wilen CB, Iwasaki A. Mouse model of SARS-CoV-2 reveals inflammatory role of type I interferon signaling. Journal Of Experimental Medicine 2020, 217: e20201241. PMID: 32750141, PMCID: PMC7401025, DOI: 10.1084/jem.20201241.Peer-Reviewed Original ResearchMeSH KeywordsAngiotensin-Converting Enzyme 2AnimalsBetacoronavirusCell Line, TumorCoronavirus InfectionsCOVID-19DependovirusDisease Models, AnimalFemaleHumansInflammationInterferon Type ILungMaleMiceMice, Inbred C57BLMice, TransgenicPandemicsParvoviridae InfectionsPeptidyl-Dipeptidase APneumonia, ViralSARS-CoV-2Signal TransductionVirus ReplicationConceptsSARS-CoV-2Type I interferonMouse modelI interferonRobust SARS-CoV-2 infectionSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2SARS-CoV-2 infectionRespiratory syndrome coronavirus 2SARS-CoV-2 replicationCOVID-19 patientsSyndrome coronavirus 2Patient-derived virusesSignificant fatality ratePathological findingsInflammatory rolePathological responseEnzyme 2Receptor angiotensinFatality rateVaccine developmentGenetic backgroundViral replicationCoronavirus diseaseMice
2019
Tumor regression mediated by oncogene withdrawal or erlotinib stimulates infiltration of inflammatory immune cells in EGFR mutant lung tumors
Ayeni D, Miller B, Kuhlmann A, Ho PC, Robles-Oteiza C, Gaefele M, Levy S, de Miguel FJ, Perry C, Guan T, Krystal G, Lockwood W, Zelterman D, Homer R, Liu Z, Kaech S, Politi K. Tumor regression mediated by oncogene withdrawal or erlotinib stimulates infiltration of inflammatory immune cells in EGFR mutant lung tumors. Journal For ImmunoTherapy Of Cancer 2019, 7: 172. PMID: 31291990, PMCID: PMC6617639, DOI: 10.1186/s40425-019-0643-8.Peer-Reviewed Original ResearchConceptsTyrosine kinase inhibitorsEGFR-mutant lung cancerMutant lung cancerTumor regressionErlotinib treatmentLung cancerImmune cellsLung tumorsMouse modelEffects of TKIsGrowth factor receptor tyrosine kinase inhibitorsTumor-infiltrating immune cellsDrug resistanceReceptor tyrosine kinase inhibitorsInflammatory immune cellsInflammatory T cellsEffect of erlotinibEGFR mutant lung tumorsInflammatory cellsImmunological profileT cellsCD40 agonistsImmunostimulatory effectsAlveolar macrophagesErlotinibLow ambient humidity impairs barrier function and innate resistance against influenza infection
Kudo E, Song E, Yockey LJ, Rakib T, Wong PW, Homer RJ, Iwasaki A. Low ambient humidity impairs barrier function and innate resistance against influenza infection. Proceedings Of The National Academy Of Sciences Of The United States Of America 2019, 116: 10905-10910. PMID: 31085641, PMCID: PMC6561219, DOI: 10.1073/pnas.1902840116.Peer-Reviewed Original ResearchConceptsInfluenza infectionImpair barrier functionImpairs host defenseSeasonal influenza virusesInfluenza virus infectionLungs of miceImpairs mucociliary clearanceTissue repairInduction of IFNInnate antiviral defenseViral burdenMucociliary clearanceDisease outcomeRespiratory challengeVirus infectionSevere diseaseViral infectionCongenic miceHost responseViral transmissionHost defenseSingle-cell RNA sequencingInnate resistanceDisease pathologyInfluenza virus
2016
Matrix Metalloproteinase–Targeted Imaging of Lung Inflammation and Remodeling
Golestani R, Razavian M, Ye Y, Zhang J, Jung JJ, Toczek J, Gona K, Kim HY, Elias JA, Lee CG, Homer RJ, Sadeghi MM. Matrix Metalloproteinase–Targeted Imaging of Lung Inflammation and Remodeling. Journal Of Nuclear Medicine 2016, 58: 138-143. PMID: 27469361, PMCID: PMC5209638, DOI: 10.2967/jnumed.116.176198.Peer-Reviewed Original ResearchConceptsSmall-animal SPECT/CTSPECT/CTMatrix metalloproteinasesTg lungsLung inflammationTg miceIL-13 transgenic miceReal-time reverse transcription-polymerase chain reactionReverse transcription-polymerase chain reactionWild-type littermatesTranscription-polymerase chain reactionWild-type animalsMolecular imagingPulmonary inflammationPulmonary diseaseCD68 expressionLung diseasePolymerase chain reactionPulmonary pathologyEarly diagnosisInflammationMMP-13Transgenic miceMatrix metalloproteinaseMMP-12
2015
Conditional overexpression of TGFβ1 promotes pulmonary inflammation, apoptosis and mortality via TGFβR2 in the developing mouse lung
Sureshbabu A, Syed MA, Boddupalli CS, Dhodapkar MV, Homer RJ, Minoo P, Bhandari V. Conditional overexpression of TGFβ1 promotes pulmonary inflammation, apoptosis and mortality via TGFβR2 in the developing mouse lung. Respiratory Research 2015, 16: 4. PMID: 25591994, PMCID: PMC4307226, DOI: 10.1186/s12931-014-0162-6.Peer-Reviewed Original ResearchMeSH KeywordsAcute Lung InjuryAlveolar Epithelial CellsAnimalsAnimals, NewbornApoptosisDisease Models, AnimalGenotypeHumansHyperoxiaLungMice, Inbred C57BLMice, KnockoutMice, TransgenicPhenotypePneumoniaProtein Serine-Threonine KinasesReceptor, Transforming Growth Factor-beta Type IIReceptors, Transforming Growth Factor betaSignal TransductionTime FactorsTransforming Growth Factor beta1Up-RegulationConceptsImpaired alveolarizationBronchopulmonary dysplasiaAlveolar epithelial cellsPulmonary inflammationPulmonary phenotypeMouse lungAcute lung injuryType II alveolar epithelial cellsApoptotic cell deathCell deathNewborn mouse lungPotential therapeutic strategyGrowth factor betaNull mutant miceLung injuryImproved survivalNeonatal mortalityMonocyte infiltrationAbnormal alveolarizationAngiogenic mediatorsInflammatory signalsTGFβ1 expressionTherapeutic strategiesInflammatory macrophagesLung morphometry
2013
Hyperoxia and Interferon-γ–Induced Injury in Developing Lungs Occur via Cyclooxygenase-2 and the Endoplasmic Reticulum Stress–Dependent Pathway
Choo-Wing R, Syed MA, Harijith A, Bowen B, Pryhuber G, Janér C, Andersson S, Homer RJ, Bhandari V. Hyperoxia and Interferon-γ–Induced Injury in Developing Lungs Occur via Cyclooxygenase-2 and the Endoplasmic Reticulum Stress–Dependent Pathway. American Journal Of Respiratory Cell And Molecular Biology 2013, 48: 749-757. PMID: 23470621, PMCID: PMC3727872, DOI: 10.1165/rcmb.2012-0381oc.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornBronchopulmonary DysplasiaCelecoxibCell DeathCyclooxygenase 2Cyclooxygenase 2 InhibitorsEndoplasmic Reticulum StressHumansHyperoxiaImmunohistochemistryInfant, NewbornInterferon-gammaLungMiceMice, Inbred C57BLMice, TransgenicPyrazolesRNA, Small InterferingSulfonamidesTranscription Factor CHOPConceptsBronchopulmonary dysplasiaCyclooxygenase-2Endoplasmic reticulum stress-dependent pathwaysER stress pathway activationPathway mediatorsHuman bronchopulmonary dysplasiaFinal common pathwayAlveolar epithelial cellsImpaired alveolarizationStress pathway activationCOX2 inhibitionMurine modelMurine lungClinical relevanceIFNVivo modelHyperoxiaLungHuman lungPathway activationCHOP siRNAStress-dependent pathwaysInjuryEpithelial cellsCommon pathwayA Critical Regulatory Role for Macrophage Migration Inhibitory Factor in Hyperoxia-Induced Injury in the Developing Murine Lung
Sun H, Choo-Wing R, Sureshbabu A, Fan J, Leng L, Yu S, Jiang D, Noble P, Homer RJ, Bucala R, Bhandari V. A Critical Regulatory Role for Macrophage Migration Inhibitory Factor in Hyperoxia-Induced Injury in the Developing Murine Lung. PLOS ONE 2013, 8: e60560. PMID: 23637753, PMCID: PMC3639272, DOI: 10.1371/journal.pone.0060560.Peer-Reviewed Original ResearchMeSH KeywordsAngiopoietinsAnimalsBronchoalveolar LavageCell CountGene Expression RegulationGene Knockout TechniquesHyperoxiaInterleukin-6LungLung InjuryMacrophage Migration-Inhibitory FactorsMiceMice, TransgenicPhenotypeReceptor, TIE-2Receptors, Vascular Endothelial Growth FactorVascular Endothelial Growth Factor AConceptsMIF knockoutHyperoxia exposureRoom airAngiopoietin-1Macrophage migration inhibitory factorHyperoxia-Induced InjuryAcute lung injuryProtein expressionRoom air controlsMigration inhibitory factorAngiopoietin-2 proteinTie-2 proteinMechanism of actionVascular mediatorsLung injuryControl lungsMIF mRNANewborn lungWT lungsNeonatal lungPostnatal dayMurine lungTransgenic miceLung morphometryCritical regulatory molecules
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 modelIL-13 receptor α2-arginase 2 pathway mediates IL-13-induced pulmonary hypertension
Cho WK, Lee CM, Kang MJ, Huang Y, Giordano FJ, Lee PJ, Trow TK, Homer RJ, Sessa WC, Elias JA, Lee CG. IL-13 receptor α2-arginase 2 pathway mediates IL-13-induced pulmonary hypertension. American Journal Of Physiology - Lung Cellular And Molecular Physiology 2012, 304: l112-l124. PMID: 23125252, PMCID: PMC3543640, DOI: 10.1152/ajplung.00101.2012.Peer-Reviewed Original ResearchConceptsPulmonary hypertensionIL-13Human pulmonary artery smooth muscle cellsDevelopment of PHPulmonary artery smooth muscle cellsRight ventricle systolic pressurePathogenesis of PHArtery smooth muscle cellsExpression of ARG2Pulmonary arterial hypertensionPulmonary vascular remodelingVentricle systolic pressurePotential therapeutic targetIL-13 treatmentSmooth muscle cellsNull mutant miceArterial hypertensionEffector cytokinesMedial thickeningSystolic pressureHemodynamic changesPulmonary arterySmall-interfering RNAVascular remodelingArginase-2
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 marrowAsthmaModern 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 researchTransplantationLungDiseaseRIG-like Helicase Innate Immunity Inhibits Vascular Endothelial Growth Factor Tissue Responses via a Type I IFN–dependent Mechanism
Ma B, Dela Cruz CS, Hartl D, Kang MJ, Takyar S, Homer RJ, Lee CG, Elias JA. RIG-like Helicase Innate Immunity Inhibits Vascular Endothelial Growth Factor Tissue Responses via a Type I IFN–dependent Mechanism. American Journal Of Respiratory And Critical Care Medicine 2011, 183: 1322-1335. PMID: 21278304, PMCID: PMC3114061, DOI: 10.1164/rccm.201008-1276oc.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsDEAD Box Protein 58DEAD-box RNA HelicasesDisease Models, AnimalEdemaFocal Adhesion Protein-Tyrosine KinasesImmunity, InnateInflammationInterferon Type IMiceMice, TransgenicMitogen-Activated Protein KinasesNitric Oxide Synthase Type IIIPhosphatidylinositol 3-KinasePoly I-CPulmonary Disease, Chronic ObstructiveToll-Like Receptor 3Vascular Endothelial Growth Factor AConceptsVascular endothelial growth factorType 2 inflammationChronic obstructive pulmonary disease exacerbationsObstructive pulmonary disease exacerbationsChronic obstructive pulmonary diseaseViral pathogen-associated molecular patternsEndothelial nitric oxide synthaseRIG-like helicasePulmonary disease exacerbationsObstructive pulmonary diseasePathogenesis of asthmaRespiratory syncytial virusNormal pulmonary physiologyNitric oxide synthaseAntiviral innate immunityPathogen-associated molecular patternsReceptor-dependent pathwayTissue responseEndothelial growth factorVEGF receptor 1Ability of VEGFDisease exacerbationPulmonary diseaseRespiratory virusesControl mice
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 severityRole of Breast Regression Protein–39 in the Pathogenesis of Cigarette Smoke–Induced Inflammation and Emphysema
Matsuura H, Hartl D, Kang MJ, Dela Cruz CS, Koller B, Chupp GL, Homer RJ, Zhou Y, Cho WK, Elias JA, Lee CG. Role of Breast Regression Protein–39 in the Pathogenesis of Cigarette Smoke–Induced Inflammation and Emphysema. American Journal Of Respiratory Cell And Molecular Biology 2010, 44: 777-786. PMID: 20656949, PMCID: PMC3135840, DOI: 10.1165/rcmb.2010-0081oc.Peer-Reviewed Original ResearchConceptsChronic obstructive pulmonary diseaseBRP-39/YKLBreast regression protein 39YKL-40BRP-39Alveolar destructionCigarette smokeChitinase-like protein YKL-40Emphysematous alveolar destructionLungs of CSObstructive pulmonary diseaseProtein YKL-40Excessive inflammatory responseAirway epithelial cellsAlveolar type II cellsNull mutant miceProtein 39Epithelial cell apoptosisType II cellsCurrent smokersPulmonary diseaseBronchoalveolar lavageTissue inflammationEmphysematous destructionSerum concentrations
2009
Role of breast regression protein 39 (BRP-39)/chitinase 3-like-1 in Th2 and IL-13–induced tissue responses and apoptosis
Lee CG, Hartl D, Lee GR, Koller B, Matsuura H, Da Silva CA, Sohn MH, Cohn L, Homer RJ, Kozhich AA, Humbles A, Kearley J, Coyle A, Chupp G, Reed J, Flavell RA, Elias JA. Role of breast regression protein 39 (BRP-39)/chitinase 3-like-1 in Th2 and IL-13–induced tissue responses and apoptosis. Journal Of Experimental Medicine 2009, 206: 1149-1166. PMID: 19414556, PMCID: PMC2715037, DOI: 10.1084/jem.20081271.Peer-Reviewed Original ResearchConceptsBRP-39/YKLBreast regression protein 39YKL-40BRP-39Th2 responsesIL-13-induced tissue responsesDendritic cell accumulationAlternative macrophage activationApoptosis/cell deathProtein 39Protein kinase B/AktTh2 inflammationDisease activityAntigen sensitizationEffector phaseTissue inflammationExaggerated quantitiesPulmonary epitheliumTherapeutic targetMacrophage activationTransgenic miceCell accumulationFas expressionNovel regulatory roleMice
2008
Acidic 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 effectsDevelopmental Regulation of NO-Mediated VEGF-Induced Effects in the Lung
Bhandari V, Choo-Wing R, Lee CG, Yusuf K, Nedrelow JH, Ambalavanan N, Malkus H, Homer RJ, Elias JA. Developmental Regulation of NO-Mediated VEGF-Induced Effects in the Lung. American Journal Of Respiratory Cell And Molecular Biology 2008, 39: 420-430. PMID: 18441284, PMCID: PMC2551703, DOI: 10.1165/rcmb.2007-0024oc.Peer-Reviewed Original ResearchMeSH KeywordsAmniotic FluidAnimalsAnimals, NewbornBronchopulmonary DysplasiaCapillary PermeabilityFemaleHemorrhageHumansHyperoxiaInfant, NewbornLungLung DiseasesMiceMice, TransgenicNitric OxidePregnancyPulmonary SurfactantsRespiratory Distress Syndrome, NewbornTracheaVascular Endothelial Growth Factor AConceptsVascular endothelial growth factorVEGF levelsLung developmentNitric oxide mediationNO-dependent mechanismAdult murine lungPotential clinical benefitTransgenic murine modelSignificant differencesEndothelial growth factorBronchopulmonary dysplasiaLung injuryPulmonary hemorrhageCytokine responsesClinical benefitNeonatal lungHuman neonatesMurine modelMurine lungMature lungLungPathologic conditionsAdult lungSurfactant phospholipidsExtravascular effects
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 levelsP21 Regulates TGF-β1–Induced Pulmonary Responses via a TNF-α–Signaling Pathway
Yamasaki M, Kang HR, Homer RJ, Chapoval SP, Cho SJ, Lee BJ, Elias JA, Lee CG. P21 Regulates TGF-β1–Induced Pulmonary Responses via a TNF-α–Signaling Pathway. American Journal Of Respiratory Cell And Molecular Biology 2007, 38: 346-353. PMID: 17932374, PMCID: PMC2258454, DOI: 10.1165/rcmb.2007-0276oc.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisCrosses, GeneticCyclin-Dependent Kinase Inhibitor p21DoxycyclineFibrosisImmunohistochemistryInflammationLungMiceMice, Inbred C57BLMice, TransgenicRandom AllocationRNA, MessengerSignal TransductionStatistics as TopicTransforming Growth Factor beta1Tumor Necrosis Factor-alphaConceptsMurine lungCyclin-dependent kinase inhibitorAbsence of p21Caspase-3 activationP21 locusKey regulatorTNF-alpha expressionEffects of TGFExpression of p21Negative modulatorAlveolar destructionLung inflammationTransgenic overexpressionParenchymal destructionPulmonary responseApoptosisRepair responseP21 expressionRegulatory cytokinesMyofibroblast accumulationP21TGF-β1Epithelial cellsEpithelial apoptosisKinase inhibitors