Journal
JOURNAL OF MATERIALS SCIENCE
Volume 56, Issue 29, Pages 16661-16670Publisher
SPRINGER
DOI: 10.1007/s10853-021-06373-4
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Funding
- Sao Paulo Research Foundation (FAPESP) [2017/18782-6, 2018/06555-8]
- National Council for Scientific and Technological Development (CNPq) [307124/2015-0, 303847/2019-0]
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The study presents a newly developed fiber-shaped cell carrier system, which effectively incorporates cells and demonstrates potential in cell viability and osteogenic capabilities. The system shows promise for cell therapy applications as a new assembled hydrogel carrier.
The development of new cell carrier systems is crucial for application in regenerative medicine, once they deliver the cells to the injured tissue to trigger the repair and stimulate the regeneration. Here we report the preparation of a cell carrier system in fiber shape, in which the cells osteo-1 are incorporated. For the fiber formation, the oxidized cellulose nanofibers suspension loaded with cells is complexed with calcium ions in a pulling process giving rise to the fiber loaded with cells, with dimensions which allow it to handle. The microscopic images showed the success of the proposed method to incorporate the cells into the fibers. The results of the in vitro viability tests indicated the capability of the fibers to keep the cells alive and to mineralize them, indicating that their osteogenic capability was not affected. In addition, the fiber disintegration studies showed the system is capable of releasing the cells, suggesting the potential of the fibers as a new assembled hydrogel carrier cell therapy.
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