期刊
GELS
卷 7, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/gels7040199
关键词
MMP-cleavable peptides; crosslinking; hydrogels; degradation; bone regeneration
资金
- National Key R&D Program of China [2018YFC2001500]
- National Natural Science Foundation of China [31800792, 91749204, 82172098, 81771491]
- Beijing Bethune Charitable Foundation [KX037FN]
This review focuses on MMP-cleavable peptides, polymers, functional modifications, and crosslinking reactions in bone regeneration, discussing the applications, perspectives, and limitations of MMP-cleavable peptides-based hydrogels.
Accumulating evidence has suggested the significant potential of chemically modified hydrogels in bone regeneration. Despite the progress of bioactive hydrogels with different materials, structures and loading cargoes, the desires from clinical applications have not been fully validated. Multiple biological behaviors are orchestrated precisely during the bone regeneration process, including bone marrow mesenchymal stem cells (BMSCs) recruitment, osteogenic differentiation, matrix calcification and well-organized remodeling. Since matrix metalloproteinases play critical roles in such bone metabolism processes as BMSC commitment, osteoblast survival, osteoclast activation matrix calcification and microstructure remodeling, matrix metalloproteinase (MMP) cleavable peptides-based hydrogels could respond to various MMP levels and, thus, accelerate bone regeneration. In this review, we focused on the MMP-cleavable peptides, polymers, functional modification and crosslinked reactions. Applications, perspectives and limitations of MMP-cleavable peptides-based hydrogels for bone regeneration were then discussed.
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