Abstract
Attributed to the excellent biocompatibility and desirable mechanical properties to natural tissue, natural polymer-based electrospun nanofibers have drawn extensive research interests in tissue engineering. Electrospun nanofibers have been explored as scaffolds in tissue engineering to modulate cellular behavior. Also, electrospun nanofiber matrices have morphological similarities to the natural extra-cellular matrix (ECM). Natural polymer and its composite nanofiber mats are the promising candidates in governing nerve cells growth and nerve regeneration due to their unique characteristics such as high permeability, stability, porosity, suitable mechanical performance and excellent biocompatibility. In this review, the progress in electrospun natural polymers and its composite nanofibers scaffold for neural tissue engineering are presented. The influences of fiber orientation and electrical stimulation on the nerve cell behavior and neurite growth are systematically summarized. Furthermore, the current application of natural polymer composite scaffold as in vivo implantable device for nerve regeneration is also discussed (see Figure 1).
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