Fig. 4.
a–d. Representative images of indirect immunofluorescence against CD31 (platelet endothelial cell adhesion molecule 1, PECAM-1) on axial sections of paraformaldehyde-fixed frozen 2-month-old WT (a), 2-month-old mdx (b), 10-month-old WT (c), and 10-month-old mdx (d). e. Quantification of PECAM-1-positive cells in 2- and 10-month-old mdx and WT mice. Data are represented as mean ± SD. *p < 0.05 versus WT.