Figure 1
![Figure 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1465-9921-5-28/MediaObjects/12931_2004_237_Fig1_HTML.jpg)
Western blot for (A) SP-A and (B) SP-D proteins in mouse lung. Lanes (a, b): 2.5 μg total lavage fluid protein (c, d): 100 μg of total lung tissue homogenate protein from two healthy, non-infected BALB/c mice, and (e): 10 ng purified human SP-A or recombinant SP-D protein.