来源:科技日报 | 2020-08-20 11:43:02 |
京都大学iPS细胞研究所(CiRA)等机构的联合研究小组,验证了利用人工多能干细胞(iPS细胞)源间充质干细胞(iMSC)制备的生物3D神经导管对末梢神经再生的有效性和机制。
他们将免疫缺陷大鼠的坐骨神经切断5毫米进行了验证,虽然在作为生物3D神经导管移植的对照组使用的硅胶管移植中,切断的神经也在术后8周实现再生,但对形态、运动性、电生理学和肌肉重量进行评估发现,生物3D神经导管移植组的再生神经明显处于优势。另外,在移植的生物3D神经导管的内侧和表面都观察到了新生血管,确认iMSC的皮下移植具有促进血管新生的功能。
结果表明,利用iMSC制备的生物3D神经导管能有效实现末梢神经再生,有望为临床应用作贡献。
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