Fig. 9

Angiogenesis and vascular stability of ischaemic hindlimb after treated by NPs. A Quantification of CD31-positive areas. The data are presented as mean ± SD (n = 5, *P < 0.05, **P < 0.01, ***P < 0.001). B Laser confocal conpositioning representative images of CD31, α-SMA, NG2 and DAPI and are prestened