Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 217, Issue -, Pages 120-130Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2022.07.037
Keywords
Bacterial cellulose; Electrical stimulation; Nerve tissue engineering; Tissue regeneration
Funding
- Faculty of Chemistry and chemical engineering, Malek Ashtar university of Technology, Tehran, Iran
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Nerve injuries and neurodegenerative disorders pose serious medical challenges, but new electroactive biomaterials like bacterial cellulose (BC) show promise in promoting nerve regeneration when combined with conductive structures. Electrical stimulation has positive effects on cellular activity, including adhesion, proliferation, migration, and differentiation.
Nerve injuries and neurodegenerative disorders are very serious and costly medical challenges. Damaged nerve tissue may not be able to heal and regain its function, and scar tissue may restrict nerve cell regeneration. In recent years, new electroactive biomaterials have attracted widespread attention in the neural tissue engineering field. Bacterial cellulose (BC) due to its unique properties such as good mechanical properties, high water retention, biocompatibility, high crystallinity, large surface area, high purity, very fine network, and inability to absorb in the human body due to cellulase deficiency, can be considered a promising treatment for neurological injuries and disorders that require long-term support. However, BC lacks electrical activity, but can significantly improve the nerve regeneration rate by combining with conductive structures. Electrical stimulation has been shown to be an effective means of increasing the rate and accuracy of nerve regeneration. Many factors, such as the intensity and pattern of electrical current, have positive effects on cellular activity, including cell adhesion, proliferation, migration and differentiation, and cell-cell/tissue/molecule/drug interaction. This study discusses the importance and essential role of BC-based biomaterials in neural tissue regeneration and the effects of electrical stimulation on cellular behaviors.
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