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Salt-Induced Electrospun Patterned Bundled Fibers for Spatially Regulating Cellular Responses
Mira Cho1, Seung-Hyun Kim1, Gyuhyung Jin1
1Department of Chemical and Biomolecular Engineering and ‡Department of Pediatrics, College of Medicine, Yonsei University , 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea.
ACS Applied Materials & Interfaces
|May 12, 2016
Summary
Patterned fibrous matrices guide neural cell growth and differentiation. Salt-induced electrospun patterned fiber bundles show promise for neural tissue engineering and functional recovery of damaged nervous systems.
Area of Science:
- Biomaterials Science
- Neural Engineering
- Tissue Engineering
Background:
- Patterned fibrous matrices are crucial for orchestrating cellular constructs in neural engineering.
- Understanding structural parameters is key for designing effective tissue engineering scaffolds for neural repair.
Purpose of the Study:
- To fabricate and assess salt-induced electrospun patterned fiber bundles (SiEP bundles) for spatial stimulation of neural cell responses.
- To compare SiEP bundles with conventional fibrous matrices for neural growth promotion.
Main Methods:
- Fabrication of SiEP bundles with longitudinally stacked fibers.
- Assessment of neural cell (PC12, hNSCs, DRG) responses on SiEP bundles versus conventional matrices.
- Analysis of morphological, topographical, and mechanical properties of SiEP bundles.
Main Results:
- SiEP bundles exhibited unique multicomplexed structures with nano-/microscale fibers, rough surfaces, and soft mechanical properties.
- SiEP bundles promoted spatial cellular elongation along fiber directions and robust neurite extension.
- Topographical roughness on SiEP bundles enhanced neural stem cell differentiation.
Conclusions:
- SiEP bundles offer a valuable platform for spatially regulating neural cell responses.
- These findings provide insights for designing fibrous scaffolds for neural growth systems.
- SiEP bundles present a promising strategy for functional recovery in damaged neural tissues.
