Research Article

Milan PM1 Induces Adverse Effects on Mice Lungs and Cardiovascular System

Figure 3

Lung parenchyma HO-1. Immunohistochemistry of HO-1 in lung tissues. Immunochemical reaction was developed by peroxidase and is visible as brown precipitate of DAB. (a) Sham lung showing no appreciable HO-1 signal; (b) PM1-treated lung showing intense HO-1 signal in particles’ engulfed in alveolar macrophages (arrows). (a) and (b) bars = 50 μm.
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(a)
583513.fig.003b
(b)