Abstract
An injury to the human nervous system, which plays a major role in our daily lives by being involved in our thought and action processes, has been one of the greatest issues in the medical field. Social costs are considerably high because of these injuries and the many ongoing studies searching for cures to nervous system injuries. As a result of these efforts, electrospinning technology has been found to a suitable alternative to fabricating scaffolds for nerve regeneration. The electrospun nanofibrous scaffold can provide the regenerating nervous system with cell-friendly environments that have sufficient porosity, mechanical strength, guidance cues, etc. First, the anatomies of the central and peripheral nervous systems and their regeneration mechanisms are introduced and compared to each other. Second, the mechanisms, requirements, and favored properties are discussed. Finally, various fabrication methods and the current evolving concept of electrospun nerve conduits with functionalization strategies such as cell loading, neurotrophic biomolecule or nanoparticle immobilization, and conductive polymer use are discussed.
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Abbreviations
- a-FGF:
-
Acidic fibroblast growth factor
- ASIA:
-
American Spinal Injury Association
- ATF-3:
-
Activating transcription factor-3
- BDNF:
-
Brain-derived neurotrophic factor
- CNS:
-
Central nervous system
- CNTF:
-
Ciliary neurotrophic factor
- DRG:
-
Dorsal root ganglia
- ECM:
-
Extracellular matrix
- EMSCs:
-
Ectomesenchymal stem cells
- GAP-43:
-
Growth-associated protein-43
- GDNF:
-
Glial cell line-derived neurotrophic factor
- GVHD:
-
Graft-versus-host disease
- MAIs:
-
Myelin-associated inhibitors
- MSCs:
-
Mesenchymal stem cells
- MWCNT:
-
Multi-walled carbon nanotubes
- NGFs:
-
Nerve growth factors
- NPCs:
-
Neural progenitor cells
- NPs:
-
Nanoparticles
- NRG1:
-
Neuregulin 1
- NSCs:
-
Neural stem cells
- NT-3:
-
Neurotrophin-3
- NTFs:
-
Neurotrophic factors
- OECs:
-
Olfactory ensheathing cells
- OEG:
-
Olfactory ensheathing glia
- PAN:
-
Polyacrylonitrile
- PCL:
-
Polycaprolactone
- PE:
-
Polyethylene
- PHB:
-
Poly-β-hydroxybutyrate
- PLGA:
-
Poly(lactide-co-glycolide)
- PNS:
-
Peripheral nervous system
- PPy:
-
Polypyrrole
- PVC:
-
Polyvinyl chloride
- RAGs:
-
Regeneration-associated genes
- rNSCs:
-
Rat neural stem cells
- SCI:
-
Spinal cord injuries
- siRNA:
-
Small-interfering RNA
- Sox11:
-
SRY-box containing gene 11
- SPRR1A:
-
Small proline-repeat protein 1A
- SWCNT:
-
Single-walled carbon nanotube
- TF-MSNs:
-
Transferrin-modified mesoporous silica nanoparticles
- VEGF:
-
Vascular endothelial growth factor
- α1-GP:
-
Alpha-1 glycoprotein
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Kim, J.I., Hwang, T.I., Lee, J., Park, C.H., Kim, C.S. (2017). Electrospun Nanofibrous Nerve Conduits. In: Almodovar, J. (eds) Electrospun Biomaterials and Related Technologies. Springer, Cham. https://doi.org/10.1007/978-3-319-70049-6_7
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