Protein-Encoding Chemically Modified mRNAs for Musculoskeletal Tissue Regeneration and Repair

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)

Musculoskeletal disorders and injuries are highly prevalent and encompass a broad range of conditions, including bone fractures and segmental defects, tendinopathies and tendon injury, and cartilage disorders such as osteoarthritis, cartilage defects, and intervertebral disc disease. These conditions can arise from diverse causes including trauma and injury, tumor resection, congenital abnormalities, and age-related degeneration. In the past decades, administration of chemically modified mRNA (cmRNA) encoding growth factors and transcriptional regulators has demonstrated effectiveness in repairing musculoskeletal tissues in preclinical studies. This review summarizes recent advancements in bone, tendon, cartilage, intervertebral disc, and muscle regeneration achieved through the localized delivery of protein-encoding mRNAs to express therapeutic target proteins. Delivery of cmRNA encoding growth factors such as BMP-2, BMP-9, VEGF, FGF-18, and IGF-1, or transcriptional regulators including Runx1, to various animal models has shown beneficial effects on bone, tendon, cartilage, and muscle injury repair in preclinical models. Alongside these progresses, the advantages and disadvantages of applying chemically modified mRNA for musculoskeletal tissue regeneration are also discussed. While studies show the promise of cmRNA for therapeutic applications in orthopedic tissue regeneratio

Evidence level

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

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