treatment of human neutrophils with a reagent ( diazoacetylnorleucine methyl ester plus copper ion ) which covalently labels the active site of the acid proteases , pepsin and cathepsin d , inhibits neutrophil chemotaxis and enzyme release stimulated by the chemoattractants pepstatin and formylmethiony peptides .
C0086418
human
C0007427
cathepsin d