The mouse lymph node as an ectopic transplantation site for multiple tissues.

The mouse lymph node as an ectopic transplantation site for multiple tissues.
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DOI:
10.1038/nbt.2379
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发表时间:
2012-10
影响因子:
46.9
通讯作者:
--
中科院分区:
工程技术1区
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--
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基于细胞的疗法被视为器官移植的一种有前景的替代方法,但旨在进行器官修复的细胞移植并非总是可行的。在此,我们表明小鼠淋巴结能够支持来自多种组织的健康细胞的植入和生长。将肝细胞直接注射到单个小鼠淋巴结中可产生足够的异位肝组织,从而挽救患有致命代谢疾病的小鼠的生命。此外,将胸腺移植到无胸腺裸鼠的淋巴结中可产生一个能够排斥同种异体和异种移植物的功能性免疫系统。最后,将胰岛注射到糖尿病小鼠的淋巴结中可恢复正常的血糖控制。总之,这些结果提示了以淋巴结为靶点来恢复、维持或改善组织和器官功能的实用方法。
Cell-based therapy has been viewed as a promising alternative to organ transplantation, but cell transplantation aimed at organ repair is not always possible. Here, we show that the mouse lymph node can support the engraftment and growth of healthy cells from multiple tissues. Direct injection of hepatocytes into a single mouse lymph node generated enough ectopic liver mass to rescue survival of mice with lethal metabolic disease. Furthermore, thymuses transplanted into a lymph node of athymic nude mice generate a functional immune system capable of rejecting allogeneic and xenogeneic grafts. Finally, pancreatic islets injected into the lymph node of diabetic mice restore normal glucose control. Collectively, these results suggest the practical approach of targeting lymph nodes to restore, maintain or improve tissue and organ functions.
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