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240914s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202411628
|2 doi
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|a pubmed24n1587.xml
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|a eng
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|a Yuan, Tao
|e verfasserin
|4 aut
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|a Biomimetic Multichannel Silk Nerve Conduits With Multicellular Spatiotemporal Distributions for Spinal Cord Injury Repair
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 01.11.2024
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|a Date Revised 01.11.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Bioengineered nerve conduits have shown great promise for spinal cord injury (SCI) repair, while their practical values are limited by poor regenerative efficacy and lack of multi-level structural design. Here, inspired by the ingenious anatomy of natural spinal cords, a biomimetic multichannel silk nerve conduit (namely BNCMSCs/SCs) with multicellular spatiotemporal distributions for effective SCI repair is presented. The biomimetic silk nerve conduit (BNC) with hierarchical channels and aligned pore structures is prepared via a modified directional freeze-casting strategy. Such hierarchical structures provide appropriate space for the mesenchymal stem cells (MSCs) and Schwann cells (SCs) settled in specific channels, which contributes to the generation of BNC@MSCs/SCs resembling the cellular spatiotemporal distributions of natural spinal cords. The in vitro results reveal the facilitated SC migration and MSC differentiation in such BNC@MSCs/SCs multicellular system, which further promotes the tube formation and cell migration of endothelial cells as well as M2 polarization of macrophages. Moreover, BNC@MSCs/SCs can effectively promote the tissue repair and function recovery in SCI rats by attenuating glial scar formation while promoting neuron regeneration and myelin sheath reconstruction. Thus, it is believed that the biomimetic multichannel silk nerve conduits with multicellular spatiotemporal distributions are valuable for SCI repair and other neural tissue regeneration
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|a Journal Article
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|a biomimics
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| 650 |
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|a nerve conduit
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| 650 |
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|a nerve regeneration
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| 650 |
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4 |
|a silk
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| 650 |
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|a spinal cord injury
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| 650 |
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|a Silk
|2 NLM
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| 700 |
1 |
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|a Li, Wenzhao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Minyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Xiaocheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Bing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Yuanjin
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 44 vom: 08. Nov., Seite e2411628
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:36
|g year:2024
|g number:44
|g day:08
|g month:11
|g pages:e2411628
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202411628
|3 Volltext
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