Intraluminal Guiding Structure of Nerve Conduits for Peripheral Nerve Regeneration
Peripheral nerve injury that can lead to disability affects millions of people worldwide annually. As the gold standard treatment of peripheral nerve injury, autologous nerve grafts are the most widely used and effective, but the clinical application of the treatment is greatly limited by many disadvantages. Tissue engineering nerve conduits gradually become promising autologous nerve grafts alternatives to promote the regeneration of injured nerves. This review places emphasis on tissue engineering designs of physical and topographic guiding structure inside nerve conduits in order to promote the migration of Schwann cells and directional regrowth of axons towards target organs. Various strategies of intraluminal guiding cues have been described and analyzed, including the incorporation with the tissue with natural basement membrane, collagen, microfilaments, intraluminal multi-channel and grooves in the inner wall. Recently, much progress has been made in the development of tissue engineering nerve conduits, but poor curative effect and deficiencies such as axon dispersion and malposition healing still remain unsolved, many crucial factors need to be considered in further research before clinical practices.
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Document Type: Review Article
Publication date: January 1, 2020
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- Science of Advanced Materials (SAM) is an interdisciplinary peer-reviewed journal consolidating research activities in all aspects of advanced materials in the fields of science, engineering and medicine into a single and unique reference source. SAM provides the means for materials scientists, chemists, physicists, biologists, engineers, ceramicists, metallurgists, theoreticians and technocrats to publish original research articles as reviews with author's photo and short biography, full research articles and communications of important new scientific and technological findings, encompassing the fundamental and applied research in all latest aspects of advanced materials.
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