Fig. 10

BCL2 expression of alveolar macrophages. This figure shows immunohistochemical detection of BCL-2 in lung resection specimens of COPD, S and NS. Representative images of n = 9 COPD, n = 3 COPD former smoker, n = 9 S and n = 6 NS. Positively labelling cells were visualised using DAB (immunoreactive cells have brown cytoplasm and are indicated with an arrow). 9a) negative control, 9b) NS, 9c) S, 9d) COPD former smoker and 9e) COPD current smoker. Images taken using an X 40 objective lens