Lee Yong-Ung, Mahler Nathan, Best Cameron A, Tara Shuhei, Sugiura Tadahisa, Lee Avione Y, Yi Tai, Hibino Narutoshi, Shinoka Toshiharu, Breuer Christopher
Tissue Engineering Program, The Research Institute at Nationwide Children's Hospital, 700 Children's Drive - WB4151, Columbus, OH 43205-2664, USA.
Regen Med. 2016 Mar;11(2):159-67. doi: 10.2217/rme.15.85. Epub 2016 Feb 29.
We investigated the effect of cell seeding dose and incubation time on tissue-engineered vascular graft (TEVG) patency.
MATERIALS & METHODS: Various doses of bone marrow-derived mononuclear cells (BM-MNCs) were seeded onto TEVGs, incubated for 0 or 12 h, and implanted in C57BL/6 mice. Different doses of human BM-MNCs were seeded onto TEVGs and measured for cell attachment.
The incubation time showed no significant effect on TEVG patency. However, TEVG patency was significantly increased in a dose-dependent manner. In the human graft, more bone marrow used for seeding resulted in increased cell attachment in a dose-dependent manner.
Increasing the BM-MNC dose and reducing incubation time is a viable strategy for improving the performance and utility of the graft.
我们研究了细胞接种剂量和孵育时间对组织工程血管移植物(TEVG)通畅性的影响。
将不同剂量的骨髓来源单核细胞(BM-MNCs)接种到TEVGs上,孵育0小时或12小时,然后植入C57BL/6小鼠体内。将不同剂量的人BM-MNCs接种到TEVGs上并测量细胞附着情况。
孵育时间对TEVG通畅性无显著影响。然而,TEVG通畅性以剂量依赖方式显著增加。在人移植物中,用于接种的骨髓越多,细胞附着以剂量依赖方式增加。
增加BM-MNC剂量并缩短孵育时间是提高移植物性能和实用性的可行策略。