Figure 3. Immunohistochemical staining with IL-13 and bFGF. Cell expressions of IL-13 and bFGF in septal interstitium and intrapulmonary vessels from normal and systemic sclerosis (SSc) lung tissue are shown. There is an increased expression of IL-13 (arrows) (E) and bFGF (arrows) (F) in the septal interstitium from patients with fibrotic nonspecific interstitial pneumonia (NSIP) compared with IL-13 (arrows) (A) and bFGF (arrows) (B) of the control group, and IL-13 (arrows) (C) and bFGF (arrows) (D) of the cellular pattern. Similar expression is observed comparing the IL-13 and bFGF of control (arrows) (G,H), cellular (arrows) (I,J), and fibrotic (arrows) (K,L) groups.
