期刊
COLLOIDS AND SURFACES B-BIOINTERFACES
卷 225, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.colsurfb.2023.113255
关键词
Antimicrobial peptides; Bone infection; Bone repair; Bioactive materials; Bacterial resistance
This review examines the application of antimicrobial peptides (AMPs) in treating bacterial bone infection in open fractures, discussing their mechanisms, loading strategies, and future development. AMPs have good biocompatibility and can serve as a reliable alternative to traditional antibiotics.
Bacterial bone infection in open fractures is an urgent problem to solve in orthopedics. Antimicrobial peptides (AMPs), as a part of innate immune defense, have good biocompatibility. Their antibacterial mechanism and therapeutic application against bacteria have been widely studied. Compared with traditional antibiotics, AMPs do not easily cause bacterial resistance and can be a reliable substitute for antibiotics in the future. Therefore, various physical and chemical strategies have been developed for the combined application of AMPs and bioactive materials to infected sites, which are conducive to maintaining the local stability of AMPs, reducing many complications, and facilitating bone infection resolution. This review explored the molecular structure, function, and direct and indirect antibacterial mechanisms of AMPs, introduced two important AMPs (LL-37 and & beta;-defensins) in bone tissues, and reviewed advanced AMP loading strategies and different bioactive materials. Finally, the latest progress and future development of AMPs-loaded bioactive materials for the promotion of bone infection repair were discussed. This study provided a theoretical basis and application strategy for the treatment of bone infection with AMP-loaded bioactive materials.
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