期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 158, 期 -, 页码 452-460出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2020.04.135
关键词
Hydrogel; Gellan gum; Glycol chitosan; Cartilage; Chondrocyte; Regeneration
资金
- Korea Health Technology RAMP
- D Project through the Korea Health Industry Development Institute (KHIDI) - Ministry of Health AMP
- Welfare, Republic of Korea [HI15C2996]
- International Research AMP
- Development Program of the National Research Foundation of Korea (NRF) - Ministry of Science, ICT AMP
- Future Planning [NRF-2017K1A3A7A03089427]
Gellan gum (GG), a nature-derived polysaccharide, is one of the materials widely used in cartilage tissue engi-neering (TE). Glycol chitosan (GC), a derivative of chitosan, is a water-soluble natural polymer that has excellent biocompatibility and biodegradability as well as cell adhesion. Herein, GG was physically blended with GC to en-hance the mechanical properties and microenvironment of the GG to apply in cartilage TE. The study was con-ducted with a hydrogel model which is similar to the extracellular matrix (ECM) of cartilage tissue. The physicochemical studies were carried out with morphological study, swelling ratio, weight loss, and sol fraction. The mechanical characterization was conducted with compression test and rheological study to confirm avail-ability in cartilage TE material. Furthermore, in vitro studies such as morphology investigation, viability assay, GAG content, qRT-PCR, and histological study were performed to verify biocompatibility and chondrogenesis of the material. The mechanical and biological properties improved with a proper amount of GC. Overall results verify the potential of the material and can be further used for the cartilage TE. (C) 2020 Published by Elsevier B.V.
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