2016
Inhibition of Regulatory-Associated Protein of Mechanistic Target of Rapamycin Prevents Hyperoxia-Induced Lung Injury by Enhancing Autophagy and Reducing Apoptosis in Neonatal Mice
Sureshbabu A, Syed M, Das P, Janér C, Pryhuber G, Rahman A, Andersson S, Homer RJ, Bhandari V. Inhibition of Regulatory-Associated Protein of Mechanistic Target of Rapamycin Prevents Hyperoxia-Induced Lung Injury by Enhancing Autophagy and Reducing Apoptosis in Neonatal Mice. American Journal Of Respiratory Cell And Molecular Biology 2016, 55: 722-735. PMID: 27374190, PMCID: PMC5105179, DOI: 10.1165/rcmb.2015-0349oc.Peer-Reviewed Original ResearchMeSH KeywordsAcute Lung InjuryAdaptor Proteins, Signal TransducingAlveolar Epithelial CellsAnimalsAnimals, NewbornApoptosisAutophagyBronchopulmonary DysplasiaCell LineFemaleHumansHyperoxiaHypertension, PulmonaryHypertrophy, Right VentricularInfant, NewbornLungMiceMicrotubule-Associated ProteinsNaphthyridinesPhenotypeRegulatory-Associated Protein of mTORTime FactorsTumor Suppressor Protein p53ConceptsAcute lung injuryBronchopulmonary dysplasiaLung injuryWild-type miceMechanistic targetRegulatory-Associated ProteinLysosomal-associated membrane protein 1Apoptotic cell deathFetal type II alveolar epithelial cellsMouse lungRole of autophagyHyperoxia-Induced Lung InjuryLight chain 3Activation of autophagyType II alveolar epithelial cellsRespiratory distress syndromeMembrane protein 1Developmental lung diseaseUseful therapeutic targetNeonatal mouse lungAlveolar epithelial cellsPharmacological inhibitorsTreatment of hyperoxiaCell deathAutophagic flux
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
2014
Cathepsin E Promotes Pulmonary Emphysema via Mitochondrial Fission
Zhang X, Shan P, Homer R, Zhang Y, Petrache I, Mannam P, Lee PJ. Cathepsin E Promotes Pulmonary Emphysema via Mitochondrial Fission. American Journal Of Pathology 2014, 184: 2730-2741. PMID: 25239563, PMCID: PMC4188869, DOI: 10.1016/j.ajpath.2014.06.017.Peer-Reviewed Original ResearchConceptsActivation/apoptosisPulmonary emphysemaChronic obstructive pulmonary disease (COPD) lungsCigarette smoke-induced lung diseaseSmoke-induced lung diseaseChronic obstructive pulmonary diseaseDynamin-related protein 1Obstructive pulmonary diseaseProtein 1Mitochondrial fission protein dynamin-related protein 1Lung tissue sectionsCathepsin ENew therapeutic targetsAir space enlargementFission protein dynamin-related protein 1Pulmonary diseaseEmphysematous changesClinical entityLung diseaseMolecular mechanismsEmphysema developmentMitochondrial fissionLung parenchymaE miceLung elasticityChitinase 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
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
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 inhibitorsSemaphorin 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 roleProteinIncreased Hyperoxia-Induced Mortality and Acute Lung Injury in IL-13 Null Mice
Bhandari V, Choo-Wing R, Homer RJ, Elias JA. Increased Hyperoxia-Induced Mortality and Acute Lung Injury in IL-13 Null Mice. The Journal Of Immunology 2007, 178: 4993-5000. PMID: 17404281, DOI: 10.4049/jimmunol.178.8.4993.Peer-Reviewed Original ResearchConceptsEndogenous IL-13Acute lung injuryIL-13Lung injuryIL-13RNull miceHyperoxic acute lung injuryInhibition of injuryBronchoalveolar lavage fluidInduction of inflammationEndothelial cell growth factorVascular endothelial cell growth factorIL-13 locusCell growth factorTh2 inflammationLavage fluidIL-6Tissue inflammationVariety of diseasesIL-13Ralpha1Diseased lungsIL-4RalphaInflammationInjuryIL-11IL-18 Is Induced and IL-18 Receptor α Plays a Critical Role in the Pathogenesis of Cigarette Smoke-Induced Pulmonary Emphysema and Inflammation
Kang MJ, Homer RJ, Gallo A, Lee CG, Crothers KA, Cho SJ, Rochester C, Cain H, Chupp G, Yoon HJ, Elias JA. IL-18 Is Induced and IL-18 Receptor α Plays a Critical Role in the Pathogenesis of Cigarette Smoke-Induced Pulmonary Emphysema and Inflammation. The Journal Of Immunology 2007, 178: 1948-1959. PMID: 17237446, DOI: 10.4049/jimmunol.178.3.1948.Peer-Reviewed Original ResearchConceptsChronic obstructive lung diseaseObstructive lung diseaseIL-18Wild-type miceCigarette smokeLung diseasePulmonary emphysemaIL-18RalphaPathogenesis of CSEffects of CSAir-exposed miceIL-18 pathwayIL-18 receptor αIL-18R signalingTh1 inflammationPulmonary macrophagesEpithelial apoptosisReceptor αInflammationPotent stimulatorEmphysemaCaspase-1MiceCritical roleElevated levelsTransforming 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
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 lungIFN-γ–dependent DNA Injury and/or Apoptosis Are Critical in Cigarette Smoke–induced Murine Emphysema
Kang MJ, Lee CG, Cho SJ, Homer RJ, Elias JA. IFN-γ–dependent DNA Injury and/or Apoptosis Are Critical in Cigarette Smoke–induced Murine Emphysema. Annals Of The American Thoracic Society 2006, 3: 517a-518. PMID: 16921135, DOI: 10.1513/pats.200603-075ms.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 ResearchConceptsTissue 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
Role of CCR5 in IFN-γ–induced and cigarette smoke–induced emphysema
Ma B, Kang MJ, Lee CG, Chapoval S, Liu W, Chen Q, Coyle AJ, Lora JM, Picarella D, Homer RJ, Elias JA. Role of CCR5 in IFN-γ–induced and cigarette smoke–induced emphysema. Journal Of Clinical Investigation 2005, 115: 3460-3472. PMID: 16284650, PMCID: PMC1280966, DOI: 10.1172/jci24858.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnnexin A5ApoptosisBronchoalveolar LavageCell DeathChemokinesDNADNA PrimersEmphysemaEnzyme-Linked Immunosorbent AssayFemaleImmunohistochemistryIn Situ Nick-End LabelingInflammationInterferon-gammaLigandsLungMacrophagesMatrix Metalloproteinase 9MiceMice, Inbred C57BLMice, TransgenicMutationPhenotypePulmonary AlveoliReceptors, CCR5Reverse Transcriptase Polymerase Chain ReactionRNA, MessengerSmokingTime FactorsConceptsCCR5 ligandsIFN-gammaPotent stimulatorCigarette smoke-induced inflammationCigarette smoke-induced emphysemaSecretory leukocyte protease inhibitorImportance of CCR5Murine emphysema modelPathogenesis of IFNRANTES/CCLSmoke-induced inflammationDNA injuryRole of CCR5Smoke-induced emphysemaLeukocyte protease inhibitorSelect chemokinesTh1 inflammationPulmonary inflammationEmphysema modelCXC chemokinesTissue destructionIFN-gamma stimulationMMP-9CCR5Cigarette smokeCutting Edge: TLR4 Deficiency Confers Susceptibility to Lethal Oxidant Lung Injury
Zhang X, Shan P, Qureshi S, Homer R, Medzhitov R, Noble PW, Lee PJ. Cutting Edge: TLR4 Deficiency Confers Susceptibility to Lethal Oxidant Lung Injury. The Journal Of Immunology 2005, 175: 4834-4838. PMID: 16210584, DOI: 10.4049/jimmunol.175.8.4834.Peer-Reviewed Original ResearchConceptsTLR4-deficient miceLung injuryAntioxidant gene heme oxygenase-1Gene heme oxygenase-1Oxidant lung injuryBcl-2Heme oxygenase-1Life-sustaining measuresPhospho-Akt levelsNovel mechanistic linkRespiratory failureIll patientsLung integrityMurine modelOxygenase-1Oxidant stressProtective roleHost responseInnate immunityInjuryPhospho-AktHyperoxiaConfer susceptibilityMiceMammalian TLR4Role of Cathepsin S-Dependent Epithelial Cell Apoptosis in IFN-γ-Induced Alveolar Remodeling and Pulmonary Emphysema
Zheng T, Kang MJ, Crothers K, Zhu Z, Liu W, Lee CG, Rabach LA, Chapman HA, Homer RJ, Aldous D, DeSanctis G, Underwood S, Graupe M, Flavell RA, Schmidt JA, Elias JA. Role of Cathepsin S-Dependent Epithelial Cell Apoptosis in IFN-γ-Induced Alveolar Remodeling and Pulmonary Emphysema. The Journal Of Immunology 2005, 174: 8106-8115. PMID: 15944319, DOI: 10.4049/jimmunol.174.12.8106.Peer-Reviewed Original ResearchConceptsNull mutationEpithelial cell apoptosisCell apoptosisDNA injuryTissue remodelingProtease accumulationCaspase inhibitorsMitochondrial apoptosis pathway activationDeath receptorsPropidium iodide stainingCathepsin SHuman diseasesApoptosis responseApoptosis pathway activationApoptosis inhibitionCaspase-3ApoptosisIodide stainingPathway activationCathepsin S inhibitionMutationsRemodelingCritical eventsAlveolar remodelingIFN-gamma
2004
Idiopathic pulmonary fibrosis: new insights into pathogenesis
Noble PW, Homer RJ. Idiopathic pulmonary fibrosis: new insights into pathogenesis. Clinics In Chest Medicine 2004, 25: 749-758. PMID: 15564020, DOI: 10.1016/j.ccm.2004.04.003.Peer-Reviewed Original ResearchConceptsUsual interstitial pneumoniaInterstitial pneumoniaUncontrolled lung inflammationUnique pathologic featuresProgressive clinical courseAnti-inflammatory therapyIdiopathic pulmonary fibrosisLung inflammationClinical coursePathologic featuresPulmonary fibrosisCardinal manifestationsInflammatory responseNew therapiesFibroblast functionPneumoniaPathogenesisTherapyCurrent thoughtsRecent reviewBiopsyInflammationFibrosisIPFEarly Growth Response Gene 1–mediated Apoptosis Is Essential for Transforming Growth Factor β1–induced Pulmonary Fibrosis
Lee CG, Cho SJ, Kang MJ, Chapoval SP, Lee PJ, Noble PW, Yehualaeshet T, Lu B, Flavell RA, Milbrandt J, Homer RJ, Elias JA. Early Growth Response Gene 1–mediated Apoptosis Is Essential for Transforming Growth Factor β1–induced Pulmonary Fibrosis. Journal Of Experimental Medicine 2004, 200: 377-389. PMID: 15289506, PMCID: PMC2211975, DOI: 10.1084/jem.20040104.Peer-Reviewed Original ResearchConceptsVivo effector functionGrowth factor-β1Early growth response gene-1Pulmonary fibrosisSeptal rupturePulmonary disordersInterstitial diseaseEffector functionsFibrotic responseMurine lungTissue fibrosisEpithelial apoptosisFactor-β1Alveolar remodelingResponse gene-1FibrosisBioactive TGFTGFMyocyte hyperplasiaGrowth factorEarly growth response geneApoptosisLungPathogenesisGene 1
2000
Interleukin-6–Induced Protection in Hyperoxic Acute Lung Injury
Ward N, Waxman A, Homer R, Mantell L, Einarsson O, Du Y, Elias J. Interleukin-6–Induced Protection in Hyperoxic Acute Lung Injury. American Journal Of Respiratory Cell And Molecular Biology 2000, 22: 535-542. PMID: 10783124, DOI: 10.1165/ajrcmb.22.5.3808.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntioxidantsApoptosisBcl-2-Associated X ProteinBronchoalveolar Lavage FluidCells, CulturedHyperoxiaIn Situ Nick-End LabelingInterleukin-6Lipid PeroxidationLungMiceMice, TransgenicMicroscopy, ElectronProto-Oncogene ProteinsProto-Oncogene Proteins c-bcl-2Superoxide DismutaseTissue Inhibitor of Metalloproteinase-1ConceptsIL-6Lung injuryTransgene (-) animalsAlveolar-capillary protein leakHyperoxic acute lung injurySuperoxide dismutaseAcute lung injuryLung lipid peroxidationHyperoxic lung injurySignificant alterationsBcl-2Cell deathDNA fragmentationProtein leakManganese superoxide dismutaseProtective effectMetalloproteinase-1TIMP-1Transgenic miceTissue inhibitorInjuryZinc superoxide dismutaseMarked diminutionLipid peroxidationCytopathic response