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In Vivo Experiment of Tissue-Engineered Artificial Vessel  

임상현 (연세대학교 의과대학 흉부외과학교실)
조승우 (서울대학교 응용화학부)
홍유선 (연세대학교 의과대학 흉부외과학교실)
김병수 (한양대학교 공과대학 응용화학공학부)
유경종 (연세대학교 의과대학 흉부외과학교실)
장병철 (연세대학교 의과대학 흉부외과학교실)
최차용 (서울대학교 응용화학부)
Publication Information
Journal of Chest Surgery / v.37, no.3, 2004 , pp. 220-227 More about this Journal
Abstract
The number of patients with coronary artery disease and peripheral vascular disease are increasing, and the need of small diameter vessel is also increasing. We developed small diameter artificial vessel and experimented in vivo. We got allogenic valve from mongrel dogs, and removed all cells from the allogenic valve. Then, we seeded autologous bone marrow cells onto the decellularized scaffold. After implantation of artificial vessel into the canine carotid artery, we performed angiography regularly. In case of vessel occlusion or at 8 weeks after operation, we euthanized dogs, and retrieved the implanted artificial vessels. Control vessels were all occluded except one (which developed aneurysmal dilatation). But autologous cell seeded vascular graft were patent by 4 weeks in one, by 6 in one and by 8 weeks in two. Histologic examination of patent vessel revealed similar structure to native artery. Tissue-engineered vascular graft manufactured with decellularized allogenic matrix and autologous bone marrow cells showed that tissue engineered graft had similar structure to native artery.
Keywords
Bllod vessel prosthesis; Tissue engineering; Graft;
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