2009
Acidic 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
A Chitinase-like Protein in the Lung and Circulation of Patients with Severe Asthma
Chupp GL, Lee CG, Jarjour N, Shim YM, Holm CT, He S, Dziura JD, Reed J, Coyle AJ, Kiener P, Cullen M, Grandsaigne M, Dombret MC, Aubier M, Pretolani M, Elias JA. A Chitinase-like Protein in the Lung and Circulation of Patients with Severe Asthma. New England Journal Of Medicine 2007, 357: 2016-2027. PMID: 18003958, DOI: 10.1056/nejmoa073600.Peer-Reviewed Original ResearchConceptsSerum YKL-40 levelsYKL-40 levelsSeverity of asthmaYKL-40Chitinase-like proteinsParis cohortOral corticosteroid useCohort of patientsRescue inhaler useSubgroup of patientsCirculation of patientsCorticosteroid useSevere asthmaAirway remodelingClinical characteristicsExpiratory volumeAcidic mammalian chitinasePatient populationHigh serumAsthmaImmunohistochemical analysisPatientsAnimal modelsLocus of expressionMorphometric quantitation