NeutrophilsNeutrophil InfiltrationN-Formylmethionine Leucyl-PhenylalanineChemotaxis, LeukocytePeroxidasePhagocytosisAntigens, CD18SuperoxidesChemotactic FactorsReference ValuesMacrophage-1 AntigenInterleukin-8Leukocyte CountLeukotriene B4Cell AdhesionPancreatic ElastaseHealthy VolunteersInflammationCells, CulturedCathepsin GChemokine CXCL1Receptors, Interleukin-8BZymosanComplement C5aTime FactorsNADPH OxidaseLungChemokine CXCL2Cross-Over StudiesGranulomatous Disease, ChronicLipopolysaccharidesReceptors, Formyl PeptideFlow CytometryBronchoalveolar Lavage FluidCell MovementCytoplasmic GranulesHuman ExperimentationBlood Bactericidal ActivityLeukocytesL-SelectinTetradecanoylphorbol AcetateHealthTumor Necrosis Factor-alphaCell DegranulationMyeloblastinDouble-Blind MethodLuminescent MeasurementsDose-Response Relationship, DrugLactoferrinalpha-DefensinsPlatelet Activating FactorMice, KnockoutCytokinesGranulocyte Colony-Stimulating Factor