Bioinspired tuning of glycol chitosan for 3D cell cultureopen access
- Authors
- Cho, Myeong Ok; Li, Zhengzheng; Shim, Hye-Eun; Cho, Ik-Sung; Nurunnabi, Md; Park, Honghyun; Lee, Kuen Yong; Moon, Sung-Hwan; Kim, Ki-Suk; Kang, Sun-Woong; Huh, Kang Moo
- Issue Date
- Sep-2016
- Publisher
- NATURE PUBLISHING GROUP
- Citation
- NPG ASIA MATERIALS, v.8, pp.1 - 10
- Indexed
- SCIE
SCOPUS
- Journal Title
- NPG ASIA MATERIALS
- Volume
- 8
- Start Page
- 1
- End Page
- 10
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/5511
- DOI
- 10.1038/am.2016.130
- ISSN
- 1884-4049
- Abstract
- Three-dimensional (3D) cell culture systems have promising applications compared with conventional two-dimensional cell culture systems. Herein, we report a facile method for the formation of 3D spheroids using novel thermo-reversible polysaccharide-based hydrogels. A series of thermo-reversible hydrogels consisting of N-acyl glycol chitosans (NAGCs) are synthesized through a simple N-acylation reaction, and the degree of acylation is finely tuned to obtain adequate thermo-reversible properties and gel stability. Among the NAGCs, N-hexanoyl glycol chitosan is the most thermo-sensitive and is highly effective for forming multi-cellular spheroids when used to coat the surfaces of cell culture dishes. Cell spheroids are effectively formed at various cell concentrations, and their spheroid shape and cellular functions are well maintained for longer times. The hydrogel culture system is also useful for co-cultures that mimic a biological microenvironment. Our thermo-reversible hydrogels may offer a convenient method for the development of in vitro 3D cell culture systems to provide enhanced performance in tissue regeneration, organ-on-chips, drug screening research and other biomedical applications.
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