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Review
. 2022 Aug 9:10:955993.
doi: 10.3389/fchem.2022.955993. eCollection 2022.

Metal-based nano-delivery platform for treating bone disease and regeneration

Yanhua Liu  1 , Zhengyi Xu  1 , Mingxin Qiao  1 , He Cai  1 , Zhou Zhu  1
Affiliations
Review

Metal-based nano-delivery platform for treating bone disease and regeneration

Yanhua Liu et al. Front Chem. .

Abstract

Owing to their excellent characteristics, such as large specific surface area, favorable biosafety, and versatile application, nanomaterials have attracted significant attention in biomedical applications. Among them, metal-based nanomaterials containing various metal elements exhibit significant bone tissue regeneration potential, unique antibacterial properties, and advanced drug delivery functions, thus becoming crucial development platforms for bone tissue engineering and drug therapy for orthopedic diseases. Herein, metal-based drug-loaded nanomaterial platforms are classified and introduced, and the achievable drug-loading methods are comprehensively generalized. Furthermore, their applications in bone tissue engineering, osteoarthritis, orthopedic implant infection, bone tumor, and joint lubrication are reviewed in detail. Finally, the merits and demerits of the current metal-based drug-loaded nanomaterial platforms are critically discussed, and the challenges faced to realize their future applications are summarized.

Keywords: bone disease; bone regeneration; drug deivlery; metal-based nanocarriers; tissue engineering.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

FIGURE 1
FIGURE 1
Application of metal-based nano-delivery platform for treating bone disease and regeneration.
FIGURE 2
FIGURE 2
Important components of MNPs: classification and advantages of MOFs.
FIGURE 3
FIGURE 3
Different loading methods of MNPs.
FIGURE 4
FIGURE 4
ZIF-8-based MNPs were demonstrated for building bone tissue engineering materials. (A) SIM@ZIF-8 carried hydrogel designed for regulating the balance of osteogenic and adipogenic differentiation, copyright 2022 Elsevier. (B) A ZIF-8 loading miRNA promoting vascularized bone formation, copyright 2021 Elsevier. (C) A ZIF-8-based MNP aiming at preventing osteoclasts, copyright 2019 ACS Publications. (D) Bone implants modified with DMOG@ZIF-8, copyright 2019 SAGE Publications.
See this image and copyright information in PMC

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