期刊
MATERIALS LETTERS
卷 308, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.matlet.2021.131196
关键词
Chitosan; Degradation; Chitosanase; beta-glucosidase; 3D neuronal networks
资金
- Programma Operativo Por FSE Regione Liguria [RLOF18ASSRIC]
The study investigated the enzymatic degradation of chitosan microbeads scaffold supporting a mature 3D neuronal network. It was found that the degradation rate was influenced by the presence of cells, and the electrophysiological activity of 3D neuronal networks remained unchanged after scaffold degradation.
The degradation of cell seeded 3D scaffolds is an important step both for the in vivo and in vitro use of biomimetic matrices mimicking the extracellular matrix. In this respect, we investigated the possibility of enzymatically degrading a chitosan microbeads scaffold supporting a mature 3D neuronal network. To this purpose, the enzymes chitosanase and beta-glycosidase were used. As a first step, their impact on the development of a mature 2D neuronal and their degradative action on chitosan microbeads were evaluated. Then, the degradation protocol was used to treat chitosan microbeads supporting a 3D neuronal network. It was observed that the degradation was slowed down by the presence of the cells. Finally, the electrophysiological activity of 3D neuronal networks before and after the scaffold degradation was found to be not modified.
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