Research Article
Extracorporeal Shock Waves Increase Markers of Cellular Proliferation in Bronchial Epithelium and in Primary Bronchial Fibroblasts of COPD Patients
Figure 8
Photomicrographs showing thyroid transcription factor-1 (TTF-1) expression (panels a, b), c-Kit (CD117) (c, d), and proliferating cell nuclear antigen (PCNA) (e, f) in the peripheral lung tissue of a representative patient with chronic obstructive pulmonary disease (COPD). Arrows indicate positively stained cells mainly located in the alveolar septa. Bars = 50 microns.