NDLI: Re-Endothelialized Small Diameter Vascular Grafts Derived from Human Umbilical Arteries as Coronary Artery Substitutes

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Re-Endothelialized Small Diameter Vascular Grafts Derived from Human Umbilical Arteries as Coronary Artery Substitutes

Content Provider	Semantic Scholar
Author	Mallis, Panagiotis Papapanagiotou, Aggeliki Kassi, E. A. Velentzas, Athanasios D. Katsimpoulas, Michalis Giokas, Catherine Stavropoulos
Copyright Year	2018
Abstract	Background: Primary therapeutic strategy in Cardiovascular Disease (CVD) is the coronary artery bypass. Damaged coronary vessels need to be replaced with small diameter vascular grafts. Tissue engineering has focused on the production of vascular grafts, although major adverse reactions such as graft calcification, low patency rate and lumen occlusion still exist. This study aimed to the development of re-endothelialized small diameter vascular grafts in order to avoid the aforementioned adverse reactions. Methods: Human umbilical arteries were isolated and decellularized. The evaluation of the decellularization process was assessed by histological analysis. In addition, differentiated Endothelial Cells (ECs) derived from Wharton’s Jelly Mesenchymal Stromal Cells (WJ-MSCs) were used for the re-endothelialization process. Results: Our results indicated the successful decellularization of the vessels. Specifically, human Umbilical Arteries (hUAs) were characterized by absence of cellular and nuclear materials, while their extracellular matrix retained intact. Differentiated ECs successfully expressed CD31, VEGF-A, VEGF-R, vWF, FLK-1 and were able to form capillary like structures when cultured in Matrigel. Finally, the re-endothelialization of the decellularized hUAs with the differentiated ECs was successful based on the results of indirect immunofluorescence. Conclusion: In conclusion, the hUAs is a very promising source for the production of small diameter vascular grafts that could be used as coronary artery substitutes.
File Format	PDF HTM / HTML
Volume Number	3
Alternate Webpage(s)	http://www.clinicsinsurgery.com/pdfs_folder/cis-v3-id2069.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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