Exosome-enabled bone defect repair: mechanistic foundations, bioengineered delivery, and artificial
Shen Yang1,2, Siliang Ge1,2, Zhongyang Liu1,2
1Senior Department of Orthopedics, The Fourth Medical Center of Chinese PLA General Hospital, Beijing, China.
Exosomes show promise for bone defect repair by promoting regeneration and enabling controlled delivery. Artificial intelligence accelerates their development, but standardization and validation are crucial for clinical success.
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Nanotechnology
Background:
- Bone defects present significant clinical challenges.
- Exosomes are cell-free therapeutics with potential for bone regeneration due to their biocompatibility.
- Key mechanisms include osteogenesis, angiogenesis, immune modulation, and matrix remodeling.
Purpose of the Study:
- To review exosome-based strategies for bone defect repair.
- To explore engineering and delivery approaches for enhanced therapeutic efficacy.
- To assess the role of artificial intelligence in accelerating exosome therapy translation.
Main Methods:
- Literature review of exosome applications in bone regeneration.
- Summary of exosome engineering and delivery platform strategies.
- Analysis of artificial intelligence applications in exosome research and development.
Main Results:
- Exosomes activate osteogenic and angiogenic pathways, modulate cell coupling, and remodel the extracellular matrix.
- Engineering and delivery systems enhance exosome targeting, stability, and controlled release.
- AI accelerates exosome characterization, design, and response prediction.
Conclusions:
- Standardization, quality control, and validation in disease models are essential for clinical translation.
- AI-powered pipelines and mechanism-informed engineering are key for precise exosome therapies.
- Future directions focus on reproducible manufacturing and responsive delivery for complex bone defects.
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