(a) Electron micrograph of titania nanoleafy textured stent surface
(magnification ×40 000). Fluorescence imaging of (b) endothelial cells stained for
F-actin (red) and PECAM1 (green) and (c) smooth muscle cells stained for F-actin
(red) and nucleus (blue) on nanotextured SS surfaces, showing preferential
adsorption and proliferation of ECs over SMCs on nanoleafy SS surface. Reprinted
with permission from Mohan et al., Adv. Healthcare Mater.
6, 1601353 (2017). Copyright 2017 John Wiley and Sons. H&E
images of rabbit iliac artery after 2 months implantation of (d) SS bare-metal
stent and (e) nanotextured SS stent, showing nearly 50% decrease in neointimal
stenosis for the nanotextured stent. (f) Immunofluorescent en-face stained images
of wheat germ agglutinin on ECs in nanotextured stent implanted artery, showing
complete endothelialization (scale bar: 10 μm). (a) and (d)–(f)
Reprinted with permission from Cherian et al., ACS Omega
5, 17582–17591 (2020). Copyright 2020 American Chemical
Society.