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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Autores principales: 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
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Lenguaje:EN
Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/afbc9651fa1746f8bb328452ca39accf
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spelling 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)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle 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
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