Journal
BIOACTIVE MATERIALS
Volume 23, Issue -, Pages 156-169Publisher
KEAI PUBLISHING LTD
DOI: 10.1016/j.bioactmat.2022.10.028
Keywords
Bone; Cartilage; Hydrogel; Target therapy; Bone disease
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The skeletal system is crucial for weight-bearing, organ protection, and movement. Bone diseases can greatly affect the patient's quality of life and bone targeted biomaterials offer potential treatment options. However, research on bone-targeted hydrogel is limited, although local targeted hydrogel shows promising prospects. This review summarizes the application environment, construction strategies, and disease applications of bone-targeted hydrogel.
The skeletal system is responsible for weight-bearing, organ protection, and movement. Bone diseases caused by trauma, infection, and aging can seriously affect a patient's quality of life. Bone targeted biomaterials are suitable for the treatment of bone diseases. Biomaterials with bone-targeted properties can improve drug utilization and reduce side effects. A large number of bone-targeted micro-nano materials have been developed. However, only a few studies addressed bone-targeted hydrogel. The large size of hydrogel makes it difficult to achieve systematic targeting. However, local targeted hydrogel still has significant prospects. Molecules in bone/cartilage extra -cellular matrix and bone cells provide binding sites for bone-targeted hydrogel. Drug delivery systems featuring microgels with targeting properties is a key construction strategy for bone-targeted hydrogel. Besides, injectable hydrogel drug depot carrying bone-targeted drugs is another strategy. In this review, we summarize the bone -targeted hydrogel through application environment, construction strategies and disease applications. We hope this article will provide a reference for the development of bone-targeted hydrogels. We also hope this article could increase awareness of bone-targeted materials.
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