中国神经再生研究(英文版) ›› 2014, Vol. 9 ›› Issue (22): 1943-1948.doi: 10.4103/1673-5374.145366

• 综述:周围神经损伤修复保护与再生 •    下一篇

细胞外基质成分可影响周围神经损伤的修复与再生

  

  • 收稿日期:2014-10-13 出版日期:2014-11-25 发布日期:2014-11-25

Extracellular matrix components in peripheral nerve repair: how to affect neural cellular response and nerve regeneration?

Alba C. de Luca 1, Stephanie P. Lacour 1, Wassim Raffoul 2, Pietro G. di Summa 2   

  1. 1 EPFL, Centre for Neuroprosthetics, Laboratory for Soft Bioelectronic Interfaces, Station 17, 1015 Lausanne, Switzerland
    2 Department of Plastic, Reconstructive and Hand Surgery, University Hospital of Lausanne (CHUV), Lausanne, Switzerland
  • Received:2014-10-13 Online:2014-11-25 Published:2014-11-25
  • Contact: Pietro G. di Summa, M.D., Ph.D. Department of Plastic, Reconstructive and Hand Surgery, University Hospital of Lausanne (CHUV), Lausanne, Switzerland, pietro.di-summa@chuv.ch.
  • Supported by:

    The project was supported by the Swiss National Fund (Fonds National Suisse de la Recherche Scientifique).

摘要:

周围神经损伤严重影响患者的生活。人工导管是周围神经损伤修复的有效替代方法,能够为周围神经修复创造适宜微环境,并指引轴突生长方向。好的生物材料需要具备良好的生物相容性,能够减轻炎症和瘢痕组织形成。充填细胞外基质的神经组织能延长细胞的存活,促进移植细胞在损伤部位生长,减少所需的内源雪旺氏细胞的滞后时间,在修复神经缺损方面表现出较好的应用潜能。“我们的最新研究成果显示出促进周围神经再生是有希望”,作者如此说。“未来我们团队的研究将集中于导管内腔的完善,使其可以更好的与涂覆有的细胞外基质成分结合,以增强细胞表面的相互作用,从而更好的促进损伤神经的再生”。

Abstract:

Peripheral nerve injury is a serious problem affecting significantly patients’ life. Autografts are the “gold standard” used to repair the injury gap, however, only 50% of patients fully recover from the trauma. Artificial conduits are a valid alternative to repairing peripheral nerve. They aim at confining the nerve environment throughout the regeneration process, and providing guidance to axon outgrowth. Biocompatible materials have been carefully designed to reduce inflammation and scar tissue formation, but modifications of the inner lumen are still required in order to optimise the scaffolds. Biomicking the native neural tissue with extracellular matrix fillers or coatings showed great promises in repairing longer gaps and extending cell survival. In addition, extracellular matrix molecules provide a platform to further bind growth factors that can be released in the system over time. Alternatively, conduit fillers can be used for cell transplantation at the injury site, reducing the lag time required for endogenous Schwann cells to proliferate and take part in the regeneration process. This review provides an overview on the importance of extracellular matrix molecules in peripheral nerve repair.

Key words: peripheral nerve repair, extracellular matrix, nerve conduits, surface modification, fillers, growth factors