Biodegradable Cable-Tie Rapamycin-eluting Stents
Abstract “Cable-tie” type biodegradable stents with drug-eluting nanofiber were developed to treat rabbit denuded arteries in this study. Biodegradable stents were fabricated using poly-L-lactide film following being cut and rolled into a cable-tie type stent. Additionally, drug-eluting biodegradabl...
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Nature Portfolio
2017
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oai:doaj.org-article:afbc9651fa1746f8bb328452ca39accf2021-12-02T11:40:13ZBiodegradable Cable-Tie Rapamycin-eluting Stents10.1038/s41598-017-00131-w2045-2322https://doaj.org/article/afbc9651fa1746f8bb328452ca39accf2017-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-00131-whttps://doaj.org/toc/2045-2322Abstract “Cable-tie” type biodegradable stents with drug-eluting nanofiber were developed to treat rabbit denuded arteries in this study. Biodegradable stents were fabricated using poly-L-lactide film following being cut and rolled into a cable-tie type stent. Additionally, drug-eluting biodegradable nanofiber tubes were electrospun from a solution containing poly (lactic-co-glycolic acid), rapamycin, and hexafluoroisopropanol, and then mounted onto the stents. The fabricated rapamycin-eluting cable-tie stents exhibited excellent mechanical properties on evaluation of compression test and collapse pressure, and less than 8% weight loss following being immersed in phosphate-buffered saline for 16 weeks. Furthermore, the biodegradable stents delivered high rapamycin concentrations for over 4 weeks and achieved substantial reductions in intimal hyperplasia associated with elevated heme oxygenase-1 and calponin level on the denuded rabbit arteries during 6 months of follow-up. The drug-eluting cable-tie type stents developed in this study might have high potential impacts for the local drug delivery to treat various vascular diseases.Cheng-Hung LeeMing-Jer HsiehShang-Hung ChangChang-Lin ChiangChing-Lung FanShih-Jung LiuWei-Jan ChenChao-Jan WangMing-Yi HsuKuo-Chun HungChung-Chuan ChouPo-Cheng ChangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-12 (2017) |
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Medicine R Science Q Cheng-Hung Lee Ming-Jer Hsieh Shang-Hung Chang Chang-Lin Chiang Ching-Lung Fan Shih-Jung Liu Wei-Jan Chen Chao-Jan Wang Ming-Yi Hsu Kuo-Chun Hung Chung-Chuan Chou Po-Cheng Chang Biodegradable Cable-Tie Rapamycin-eluting Stents |
description |
Abstract “Cable-tie” type biodegradable stents with drug-eluting nanofiber were developed to treat rabbit denuded arteries in this study. Biodegradable stents were fabricated using poly-L-lactide film following being cut and rolled into a cable-tie type stent. Additionally, drug-eluting biodegradable nanofiber tubes were electrospun from a solution containing poly (lactic-co-glycolic acid), rapamycin, and hexafluoroisopropanol, and then mounted onto the stents. The fabricated rapamycin-eluting cable-tie stents exhibited excellent mechanical properties on evaluation of compression test and collapse pressure, and less than 8% weight loss following being immersed in phosphate-buffered saline for 16 weeks. Furthermore, the biodegradable stents delivered high rapamycin concentrations for over 4 weeks and achieved substantial reductions in intimal hyperplasia associated with elevated heme oxygenase-1 and calponin level on the denuded rabbit arteries during 6 months of follow-up. The drug-eluting cable-tie type stents developed in this study might have high potential impacts for the local drug delivery to treat various vascular diseases. |
format |
article |
author |
Cheng-Hung Lee Ming-Jer Hsieh Shang-Hung Chang Chang-Lin Chiang Ching-Lung Fan Shih-Jung Liu Wei-Jan Chen Chao-Jan Wang Ming-Yi Hsu Kuo-Chun Hung Chung-Chuan Chou Po-Cheng Chang |
author_facet |
Cheng-Hung Lee Ming-Jer Hsieh Shang-Hung Chang Chang-Lin Chiang Ching-Lung Fan Shih-Jung Liu Wei-Jan Chen Chao-Jan Wang Ming-Yi Hsu Kuo-Chun Hung Chung-Chuan Chou Po-Cheng Chang |
author_sort |
Cheng-Hung Lee |
title |
Biodegradable Cable-Tie Rapamycin-eluting Stents |
title_short |
Biodegradable Cable-Tie Rapamycin-eluting Stents |
title_full |
Biodegradable Cable-Tie Rapamycin-eluting Stents |
title_fullStr |
Biodegradable Cable-Tie Rapamycin-eluting Stents |
title_full_unstemmed |
Biodegradable Cable-Tie Rapamycin-eluting Stents |
title_sort |
biodegradable cable-tie rapamycin-eluting stents |
publisher |
Nature Portfolio |
publishDate |
2017 |
url |
https://doaj.org/article/afbc9651fa1746f8bb328452ca39accf |
work_keys_str_mv |
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