Journal
BIOACTIVE MATERIALS
Volume 6, Issue 4, Pages 998-1011Publisher
KEAI PUBLISHING LTD
DOI: 10.1016/j.bioactmat.2020.09.030
Keywords
Hydrogels; Articular cartilage defects; Tissue engineering; Clinical translation; Precision medicine
Funding
- National key R&D program of China [2017YFA0104900]
- NSFC [31830029, 81630065, 81902187]
- Zhejiang Provincial Natural Science Foundation of China [LQ19E030019, LY19C070003]
- China Postdoctoral Science Foundation [2019M652112, 2018M642442, 2019M662084]
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Cartilage defects are common symptoms of osteoarthritis, and hydrogels are promising candidates for cartilage regeneration, especially in clinical trials. Research focuses on principles of cartilage regeneration, medical application requirements of hydrogels, and development of tailored hydrogels for different cartilage defects.
Cartilage defects are one of the most common symptoms of osteoarthritis (OA), a degenerative disease that affects millions of people world-wide and places a significant socio-economic burden on society. Hydrogels, which are a class of biomaterials that are elastic, and display smooth surfaces while exhibiting high water content, are promising candidates for cartilage regeneration. In recent years, various kinds of hydrogels have been developed and applied for the repair of cartilage defects in vitro or in vivo, some of which are hopeful to enter clinical trials. In this review, recent research findings and developments of hydrogels for cartilage defects repair are summarized. We discuss the principle of cartilage regeneration, and outline the requirements that have to be fulfilled for the deployment of hydrogels for medical applications. We also highlight the development of advanced hydrogels with tailored properties for different kinds of cartilage defects to meet the requirements of cartilage tissue engineering and precision medicine.
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