Figure 7.

Immunohistochemical reaction for TGF-β and TGF-α 7 days following bleomycin challenge. Lung parenchyma of a C57BI/6 mouse at 7 days after bleomycin treatment. (A) Immunohistochemical reaction for TGF-β. Counterstained with hematoxylin, scale bar represents 40 μm. (B) Immunohistochemical reaction for TGF-α. Counterstained with hematoxylin, scale bar represents 25 μm.