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A. Peptidase activities of NE, Pr3 and cat G (means ± SEM; n = 6). Increased protease activity were analysed using the non-parametric Mann-Whitney U test. *** indicates a significant increase in enzyme activity (p<0.001). B. Western blotting of neutrophil elastase showing free protease (25 kDa) and an irreversible complex with serpins (63 kDa).
