Fig. 3

PLGA NPs administration influence the function of vascular wall in stenosis area. A IHC staining for CD31, vWF, Ki67, p120 and TM of carotid artery longitudinal sections. Scale bars, 50 µm. B–G And the quantification of percentage of CD31 expression (B); percentage of vWF positive expression (C); percentage of Ki67 positive expression (D); percentage of p120 positive expression (E); percentage of TM positive expression (F) in different groups, *p < 0.05; **p < 0.01; ***p < 0.001 (n = 5)