期刊
CHINESE CHEMICAL LETTERS
卷 31, 期 7, 页码 1797-1800出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2020.01.039
关键词
Acellular cartilage matrix scaffold; TGF-beta 3; Polyelectrolyte multilayer film; Sustainable release
资金
- National Natural Science Foundation of China [41506091]
- Zhejiang Provincial Public Welfare Project [2017C33035]
- Wenzhou Science & Technology Bureau [Y20170091, Y20190021]
- Health Commission of Zhejiang Province [2019KY465]
- Key Laboratory of Orthopaedics of Zhejiang Province [ZJGK1806Y]
Acellular tissue matrix scaffolds are much closer to tissue's complex natural structure and biological characteristics, thus assess great advantages in cartilage engineering. We used rabbit costal cartilage to prepare acellular microfilaments and further 3D porous acellular cartilage scaffold via crosslinking. Poly (L-lysine)/hyaluronic acid (PLL/HA) multilayer film was then built up onto the surface of the resulting porous scaffold. Furthermore, TGF-beta 3 was loaded into the PLL/HA multilayer film coated scaffold to obtain a 3D porous acellular cartilage scaffold with sustained releasing of TGF-beta 3 up to 60 days. The success of this project will provide a new way for the treatment of articular cartilage defects. Meanwhile, the anchoring and on-site sustained releasing of growth factors mediated by polyelectrolyte multilayered film can also provide a new method for improving the biocompatibility and the biofunctionality for other implanted biomaterials. (C) 2020 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.
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