Figure 3

WFDC2 is abnormally expressed in the Cystic Fibrosis lung. Sections of normal (A, B) and Cystic Fibrosis lung (C – I) were stained with WFDC2 (A, C, D, G), SLPI (B, E, H) and mucin 5AC (F, I) as described in materials and methods. The original magnification of the images was ×100 (A, B) and ×200 (C, D, E, F, G, H, I).