Journal of orthopaedic surgery and research · 2026
Tideglusib accelerates bone-tendon interface healing and improves mechanical strength in a rabbit rotator cuff tear model: an experimental study.
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Ocaklar Zeynel Can, Ünal Murat Serkant, Yörükoğlu A Çağdaş
Аннотация
BACKGROUND: The present study aimed to investigate the effects of the glycogen synthase kinase-3 (GSK-3) inhibitor tideglusib on bone-tendon interface healing in a rabbit model of rotator cuff injury, based on biomechanical and histological assessments.
METHODS: Fourteen New Zealand rabbits underwent supraspinatus tendon detachment to establish a chronic rotator cuff tear model. After six weeks, surgical repair was performed. In the right shoulders, tideglusib was administered at the bone-tendon junction prior to performing the primary repair (drug group), whereas the left shoulders underwent primary repair without biological augmentation (control group). Seven animals were included in the group subjected to biomechanical tension testing, and six for histological evaluation.
RESULTS: Biomechanical evaluation demonstrated that the tideglusib group showed significantly higher load-to-failure values compared with the control group the control group (p < 0.05), whereas elongation at failure showed no statistically significant difference. Histological scoring demonstrated significantly improved cellular organization and tissue healing in the tideglusib group (p < 0.05).
CONCLUSION: Local application of tideglusib positively enhances tendon-bone healing both biomechanically and histologically. Further studies are warranted to explore its potential clinical applications.
METHODS: Fourteen New Zealand rabbits underwent supraspinatus tendon detachment to establish a chronic rotator cuff tear model. After six weeks, surgical repair was performed. In the right shoulders, tideglusib was administered at the bone-tendon junction prior to performing the primary repair (drug group), whereas the left shoulders underwent primary repair without biological augmentation (control group). Seven animals were included in the group subjected to biomechanical tension testing, and six for histological evaluation.
RESULTS: Biomechanical evaluation demonstrated that the tideglusib group showed significantly higher load-to-failure values compared with the control group the control group (p < 0.05), whereas elongation at failure showed no statistically significant difference. Histological scoring demonstrated significantly improved cellular organization and tissue healing in the tideglusib group (p < 0.05).
CONCLUSION: Local application of tideglusib positively enhances tendon-bone healing both biomechanically and histologically. Further studies are warranted to explore its potential clinical applications.