Fig. 2

GDF11 promoted re-endothelialization in balloon-dilatation-injured rat carotid arteries. A Evans blue-stained carotid arteries at 7 days after vascular injury (representative images); blue staining indicates endothelial denudation. B Immunohistochemical staining of CD31 was used to evaluate the re-endothelialization of injured blood vessels in each group (scale bar represents 50 µm). C Quantitative result from each group. * p < 0.05 vs. the balloon-injured (BI) group and the BI + Ad–GFP group