In vitro evaluation of surface biological properties of decellularized aorta for cardiovascular use
| Autor: | Mako Kobayashi, Tsuyoshi Kimura, Naoko Nakamura, Akio Kishida, Yoshihide Hashimoto, Masako Ohara, Toshiya Fujisato |
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| Rok vydání: | 2020 |
| Předmět: |
Aorta
Decellularization Chemistry 0206 medical engineering Significant difference Biomedical Engineering 02 engineering and technology General Chemistry General Medicine 030204 cardiovascular system & hematology 020601 biomedical engineering In vitro Staining Extracellular matrix 03 medical and health sciences 0302 clinical medicine In vivo Biological property medicine.artery medicine General Materials Science Biomedical engineering |
| Zdroj: | Journal of Materials Chemistry B. 8:10977-10989 |
| ISSN: | 2050-7518 2050-750X |
| DOI: | 10.1039/d0tb01830a |
| Popis: | The aim of this study was to determine an in vitro evaluation method that could directly predict in vivo performance of decellularized tissue for cardiovascular use. We hypothesized that key factors for in vitro evaluation would be found by in vitro assessment of decellularized aortas that previously showed good performance in vivo, such as high patency. We chose porcine aortas, decellularized using three different decellularization methods: sodium dodecyl-sulfate (SDS), freeze-thawing, and high-hydrostatic pressurization (HHP). Immunohistological staining, a blood clotting test, scanning electron microscopy (SEM) analysis, and recellularization of endothelial cells were used for the in vitro evaluation. There was a significant difference in the remaining extracellular matrix (ECM) components, ECM structure, and the luminal surface structure between the three decellularized aortas, respectively, resulting in differences in the recellularization of endothelial cells. On the other hand, there was no difference observed in the blood clotting test. These results suggested that the blood clotting test could be a key evaluation method for the prediction of in vivo performance. In addition, evaluation of the luminal surface structure and the recellularization experiment should be packaged as an in vitro evaluation because the long-term patency was probably affected. The evaluation approach in this study may be useful to establish regulations and a quality management system for a cardiovascular prosthesis. |
| Databáze: | OpenAIRE |
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