2018
A rare presentation of pulmonary sarcoidosis as a solitary lung mass: a case report
Kelleher DW, Yaggi M, Homer R, Herzog EL, Ryu C. A rare presentation of pulmonary sarcoidosis as a solitary lung mass: a case report. Journal Of Medical Case Reports 2018, 12: 94. PMID: 29650028, PMCID: PMC5897926, DOI: 10.1186/s13256-018-1632-0.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsSolitary lung massPulmonary sarcoidosisBroad differential diagnosisLung massConstitutional symptomsHilar lymphadenopathyRadiographic featuresDifferential diagnosisLarge left lower lobe massStage II pulmonary sarcoidosisComputed tomography-guided biopsyType 2 diabetes mellitusHigh-dose prednisoneLower lobe massTomographic scan findingsMonths of therapyUnintentional weight lossEvidence of malignancySarcoid-like reactionTomography-guided biopsyShortness of breathNon-necrotizing granulomasChronic granulomatous diseaseAfrican American womenOccult malignancy
2014
IL-6 Receptor α Defines Effector Memory CD8+ T Cells Producing Th2 Cytokines and Expanding in Asthma
Lee N, You S, Shin MS, Lee WW, Kang KS, Kim SH, Kim WU, Homer RJ, Kang MJ, Montgomery RR, Dela Cruz CS, Shaw AC, Lee PJ, Chupp GL, Hwang D, Kang I. IL-6 Receptor α Defines Effector Memory CD8+ T Cells Producing Th2 Cytokines and Expanding in Asthma. American Journal Of Respiratory And Critical Care Medicine 2014, 190: 1383-1394. PMID: 25390970, PMCID: PMC4299645, DOI: 10.1164/rccm.201403-0601oc.Peer-Reviewed Original ResearchConceptsEffector memory CD8EM CD8T cellsPeripheral bloodMemory CD8IL-13IL-5IL-6RαTh2-type cytokine IL-5Different T cell subsetsLevels of GATA3Frequency of ILT cell subsetsTh2-type cytokinesHealthy control subjectsRespiratory syncytial virusT cell populationsCytokines IL-5IL-6 receptor αIL-6Rα expressionHuman peripheral bloodEffector CD8Syncytial virusTh2 cytokinesCell subsets
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
A sensory neuronal ion channel essential for airway inflammation and hyperreactivity in asthma
Caceres AI, Brackmann M, Elia MD, Bessac BF, del Camino D, D'Amours M, Witek JS, Fanger CM, Chong JA, Hayward NJ, Homer RJ, Cohn L, Huang X, Moran MM, Jordt SE. A sensory neuronal ion channel essential for airway inflammation and hyperreactivity in asthma. Proceedings Of The National Academy Of Sciences Of The United States Of America 2009, 106: 9099-9104. PMID: 19458046, PMCID: PMC2684498, DOI: 10.1073/pnas.0900591106.Peer-Reviewed Original ResearchConceptsAsthmatic airway inflammationAirway inflammationAirway hyperreactivityAllergen challengeHC-030031Airway allergen challengeEndogenous TRPA1 agonistsMurine ovalbumin modelImpaired inflammatory responseTreatment of asthmaRole of TRPA1Wild-type miceAirway epithelial functionAllergic inflammatory conditionsPromising pharmacological targetNeuronal ion channelsLipid peroxidation productsIon channelsAllergic asthmaAirway exposureEosinophil infiltrationLeukocyte infiltrationContractile stimuliInflammatory disordersOvalbumin modelRole 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
Airway 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
Essential role of nitric oxide in VEGF-induced, asthma-like angiogenic, inflammatory, mucus, and physiologic responses in the lung
Bhandari V, Choo-Wing R, Chapoval SP, Lee CG, Tang C, Kim YK, Ma B, Baluk P, Lin MI, McDonald DM, Homer RJ, Sessa WC, Elias JA. Essential role of nitric oxide in VEGF-induced, asthma-like angiogenic, inflammatory, mucus, and physiologic responses in the lung. Proceedings Of The National Academy Of Sciences Of The United States Of America 2006, 103: 11021-11026. PMID: 16832062, PMCID: PMC1544167, DOI: 10.1073/pnas.0601057103.Peer-Reviewed Original ResearchConceptsInducible NOSNitric oxideEndothelial NOS inhibitorDendritic cell activationNO-dependent mechanismAirway hyperresponsivenessMucus metaplasiaLymphocyte accumulationPulmonary alterationsCell hyperplasiaNOS inhibitorNormal micePhysiologic responsesCell activationInflammationENOSVEGFMiceIndependent mechanismsTissue responseLatter responseLungAngiogenesisRemodelingNull mutation
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 ResearchAirway Remodeling in Asthma: Therapeutic Implications of Mechanisms
Homer RJ, Elias JA. Airway Remodeling in Asthma: Therapeutic Implications of Mechanisms. Physiology 2005, 20: 28-35. PMID: 15653837, DOI: 10.1152/physiol.00035.2004.Peer-Reviewed Original Research
2004
Vascular endothelial growth factor (VEGF) induces remodeling and enhances TH2-mediated sensitization and inflammation in the lung
Lee CG, Link H, Baluk P, Homer RJ, Chapoval S, Bhandari V, Kang MJ, Cohn L, Kim YK, McDonald DM, Elias JA. Vascular endothelial growth factor (VEGF) induces remodeling and enhances TH2-mediated sensitization and inflammation in the lung. Nature Medicine 2004, 10: 1095-1103. PMID: 15378055, PMCID: PMC3434232, DOI: 10.1038/nm1105.Peer-Reviewed Original ResearchConceptsTh2 inflammationAntigen sensitizationT helper type 2 cellsAntigen-induced inflammationAsthma-like phenotypeType 2 cellsRole of VEGFMucus metaplasiaDendritic cellsAsthmatic lungCytokine productionTh1 cellsVascular remodelingInflammationTransgenic micePhysiologic dysregulationMyocyte hyperplasiaExaggerated levelsVEGFEpithelial cellsSensitizationAsthmaTh2VEGF regulationLungAirway hyper‐reactivity mediated by B‐1 cell immunoglobulin M antibody generating complement C5a at 1 day post‐immunization in a murine hapten model of non‐atopic asthma
Kawikova I, Paliwal V, Szczepanik M, Itakura A, Fukui M, Campos RA, Geba GP, Homer RJ, Iliopoulou BP, Pober JS, Tsuji RF, Askenase PW. Airway hyper‐reactivity mediated by B‐1 cell immunoglobulin M antibody generating complement C5a at 1 day post‐immunization in a murine hapten model of non‐atopic asthma. Immunology 2004, 113: 234-245. PMID: 15379984, PMCID: PMC1782564, DOI: 10.1111/j.1365-2567.2004.01936.x.Peer-Reviewed Original ResearchConceptsAirflow obstructionImmune cellsC5a receptor-deficient miceSubsequent airway challengeNon-atopic asthmaReceptor-deficient miceImmunoglobulin M antibodiesIgM-producing cellsWild-type miceIgM monoclonal antibodyAirway reactivityHapten challengeHapten modelAirway challengeMethacholine challengeAsthma modelSkin immunizationLymph nodesNaive miceNaïve recipientsM antibodiesDays postimmunizationSubsequent airwayMale miceComplement C5aAcidic 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
Transgenic Modeling of Interleukin-13 in the Lung
Elias JA, Zheng T, Lee CG, Homer RJ, Chen Q, Ma B, Blackburn M, Zhu Z. Transgenic Modeling of Interleukin-13 in the Lung. CHEST Journal 2003, 123: 339s-345s. PMID: 12628968, DOI: 10.1378/chest.123.3_suppl.339s.Peer-Reviewed Original ResearchConceptsChemokine receptor 2Vascular endothelial growth factorIL-13 inducesRegulation of inflammationGrowth factor-β1Endothelial growth factorOverexpression transgenic miceAsthma pathogenesisMurine airwaysKey cytokineInterleukin-13Receptor 2Factor-β1Transgenic miceIL-11Transgenic modelingLungGrowth factorPhenotypic alterationsGenetic targetsAirwayInflammationInterleukinStudy resultsCytokinesInterleukin-13 Induces Surfactant Function Abnormality in the Murine Lung
Zhu Z, Enhorning G, Zheng T, Chen Q, Chen NY, Homer R, Elias JA. Interleukin-13 Induces Surfactant Function Abnormality in the Murine Lung. CHEST Journal 2003, 123: 375s-376s. PMID: 12628990, DOI: 10.1378/chest.123.3_suppl.375s.Peer-Reviewed Original ResearchNew 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 regulationInflammationPulmonary type II cell hypertrophy and pulmonary lipoproteinosis are features of chronic IL-13 exposure
Homer RJ, Zheng T, Chupp G, He S, Zhu Z, Chen Q, Ma B, Hite RD, Gobran LI, Rooney SA, Elias JA. Pulmonary type II cell hypertrophy and pulmonary lipoproteinosis are features of chronic IL-13 exposure. American Journal Of Physiology - Lung Cellular And Molecular Physiology 2002, 283: l52-l59. PMID: 12060560, DOI: 10.1152/ajplung.00438.2001.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAsthmaBronchoalveolar Lavage FluidGene ExpressionHypertrophyImmunohistochemistryInterleukin-13MiceMice, Inbred C57BLMice, Inbred CBAMice, TransgenicProteolipidsPulmonary AlveoliPulmonary FibrosisPulmonary Surfactant-Associated Protein APulmonary Surfactant-Associated ProteinsPulmonary SurfactantsRNA, MessengerConceptsType II cell hypertrophyIL-13Cell hypertrophyChronic pulmonary conditionsPathogenesis of asthmaBronchoalveolar lavage fluidTh2-mediated immunityIL-13 exposureProminent interstitial fibrosisWild-type miceAirway hyperresponsivenessMucus metaplasiaEosinophilic inflammationPulmonary diseaseInterstitial fibrosisLavage fluidPulmonary conditionsTwo- to threefold increaseSurfactant accumulationLittermate controlsPotent stimulatorSurfactant phospholipidsFibrosisKey mediatorHypertrophy
2001
Airway Inflammation and Remodeling in Asthma
ZHU Z, LEE C, ZHENG T, CHUPP G, WANG J, HOMER R, NOBLE P, HAMID Q, ELIAS J. Airway Inflammation and Remodeling in Asthma. American Journal Of Respiratory And Critical Care Medicine 2001, 164: s67-s70. PMID: 11734470, DOI: 10.1164/ajrccm.164.supplement_2.2106070.Peer-Reviewed Original ResearchConceptsAirway fibrosisAsthmatic airwaysIL-11IL-13Asthma-like inflammationExaggerated cytokine productionImportance of airwayMucin gene expressionHyaluronic acid accumulationAirway healingAsthmatic tissuesSevere airwayAirway inflammationAirway remodelingAsthmatic subjectsSubepithelial fibrosisAsthma phenotypesCytokine productionMurine airwaysMucous metaplasiaAirwayTransgenic miceNatural historyInterleukin-11Fibrosis