4.7 Review

Applying Principles of Regenerative Medicine to Vascular Stent Development

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FRONTIERS MEDIA SA
DOI: 10.3389/fbioe.2022.826807

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stent; selective regeneration; reendothelialization; restenosis; bioabsorable

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This article explores the application of regenerative medicine principles in stent design and summarizes the regenerative features and related methods of stent technology. Suggestions for future stent developments are provided, along with an analysis of their benefits and risks.
Stents are a widely-used device to treat a variety of cardiovascular diseases. The purpose of this review is to explore the application of regenerative medicine principles into current and future stent designs. This review will cover regeneration-relevant approaches emerging in the current research landscape of stent technology. Regenerative stent technologies include surface engineering of stents with cell secretomes, cell-capture coatings, mimics of endothelial products, surface topography, endothelial growth factors or cell-adhesive peptides, as well as design of bioresorable materials for temporary stent support. These technologies are comparatively analyzed in terms of their regenerative effects, therapeutic effects and challenges faced; their benefits and risks are weighed up for suggestions about future stent developments. This review highlights two unique regenerative features of stent technologies: selective regeneration, which is to selectively grow endothelial cells on a stent but inhibit the proliferation and migration of smooth muscle cells, and stent-assisted regeneration of ischemic tissue injury.

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