Greening Bone Healing: The Emerging Role of Plant-Derived Exosome-Like Nanoparticles in Osteoporosis and Osteoarthritis Therapy

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Plant-derived exosome-like nanoparticles (PDENs) have demonstrated unique advantages in the prevention and treatment of osteoporosis and osteoarthritis in recent years. This review systematically summarizes the biological properties of PDENs, methods for their isolation and purification, molecular composition, and their mechanisms of action in bone and joint tissue repair. Current evidence indicates that PDENs can maintain bone homeostasis by promoting the proliferation and differentiation of osteoblasts, inhibiting osteoclast activity, modulating osteogenic differentiation of mesenchymal stem cells, and stimulating angiogenesis. In the context of osteoarthritis, PDENs enhance joint repair by facilitating chondrocyte regeneration, modulating inflammatory responses, and improving extracellular matrix metabolism. Despite the promising therapeutic potential of PDENs in the treatment of bone- and joint-related diseases, challenges remain regarding their precise mechanisms of action, standardization of preparation, and clinical translation. Future research should focus on elucidating the underlying mechanisms, establishing robust quality control methodologies, and conducting comprehensive preclinical evaluations to pave the way for their clinical application.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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