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 roleMiceAcidic Mammalian Chitinase Regulates Epithelial Cell Apoptosis via a Chitinolytic-Independent Mechanism
Hartl D, He CH, Koller B, Da Silva CA, Kobayashi Y, Lee CG, Flavell RA, Elias JA. Acidic Mammalian Chitinase Regulates Epithelial Cell Apoptosis via a Chitinolytic-Independent Mechanism. The Journal Of Immunology 2009, 182: 5098-5106. PMID: 19342690, PMCID: PMC2666938, DOI: 10.4049/jimmunol.0803446.Peer-Reviewed Original ResearchConceptsAcidic mammalian chitinaseTh2-mediated diseasesEpithelial cellsMammalian chitinasePI3K/Akt pathwayPulmonary epithelial cellsEpithelial cell apoptosisApoptosis-inhibiting effectsComparable cytoprotectionGrowth factor withdrawal-induced apoptosisChitinolytic activityEffector responsesParacrine mannerFas ligand-induced apoptosisAntiparasite responsesGrowth factor withdrawalWithdrawal-induced apoptosisLigand-induced apoptosisFas ligandAkt pathwayCell apoptosisAkt phosphorylationAMCaseBiologic propertiesCytoprotection
2007
Semaphorin 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 roleProtein