Figure 2

The Results of elastic fiber staining of pathology morphological examination of vascular in sham group and in the balloon injury group. A: Sham group, there was no intimal hyperplasia in sham group (elastic fiber staining × 400); (B): 14 days after balloon injury, intimal hyperplasia was significant (elastic fiber staining × 400); (C): 28 days after balloon injury, intimal hyperplasia was significant (elastic fiber staining × 400).