Lung DiseasesLungPneumoniaBronchoalveolar Lavage FluidCalcium IonophoresLeukocyte ElastasePulmonary FibrosisLung Diseases, InterstitialAlveolitis, Extrinsic AllergicBronchiectasisInflammationMacrophages, AlveolarRespiratory MucosaCystic FibrosisNeutrophilsPulmonary Disease, Chronic ObstructivePulmonary AlveoliAsthmaLung InjuryAcute Lung InjuryDisease Models, AnimalMice, Inbred C57BLCytokinesLung Diseases, ObstructiveGene Expression RegulationVentilator-Induced Lung InjuryTumor Necrosis Factor-alphaLung NeoplasmsRespiratory Distress Syndrome, AdultCells, CulturedBronchoalveolar LavageLung TransplantationProteinase Inhibitory Proteins, SecretoryBronchiCarcinoma, Non-Small-Cell LungCathepsin GRespiratory Function TestsChronic DiseaseNeutrophil InfiltrationSerine Proteinase InhibitorsPancreatic ElastaseInflammation MediatorsBreath TestsLipopolysaccharidesFarmer's LungChemokinesAnti-Inflammatory AgentsEpithelial CellsMice, KnockoutIdiopathic Pulmonary FibrosisLung Volume MeasurementsCapillary PermeabilityMice, Inbred BALB CVital CapacityInterleukin-8Forced Expiratory VolumePulmonary EmphysemaSpirometryTotal Lung CapacityBronchopulmonary DysplasiaEnzyme-Linked Immunosorbent AssayMacrophagesRNA, MessengerSignal TransductionTomography, X-Ray ComputedMice, TransgenicSmokingRadiography, ThoracicNF-kappa BRespiratory Distress Syndrome, NewbornScleroderma, SystemicDermatomyositisPulmonary Diffusing CapacityPulmonary Surfactant-Associated Protein CRespiration, ArtificialInfant, Premature, DiseasesLung AbscessLung Diseases, FungalInfant, PrematureBronchiolitis ObliteransInfant, NewbornPulmonary SurfactantsSarcoidosis, PulmonaryAdministration, InhalationBronchoscopyDyspneaPneumoconiosisSarcoidosisExtravascular Lung WaterEmphysemaRetrospective StudiesSputumBronchitisHypertension, PulmonarySeverity of Illness IndexSilicosisAirway ObstructionPulmonary Gas ExchangeSmall Cell Lung CarcinomaPolymyositis