Quantification and Evaluation of the Role of Antielastin Autoantibodies in the Emphysematous Lung

Figure 2

Neutrophil elastase activity. Neutrophil elastase activities were measured in bronchoalveolar lavage fluids of controls (𝑁=8) or patients with COPD (𝑁=5), Z-A1ATD (𝑁=5) or CF (𝑁=13) using N-methocysuccinyl-Ala-Ala-Pro-Val-p-nitroanilide.