Abstract
Background: Bone defects are common in orthopedics and can be caused by congenital diseases, trauma, infection, tumors and other reasons. The treatment of large-scale bone defects is a clinical problem faced by orthopedists. The development of tissue engineering technology is expected to solve this problem. Objective: To explore the effect of injectable hyaluronic acid/hUCMSC/BMP-2 on the healing of rabbit radial bone defects. Methods: X-ray examination and tissue specimens were examined to macroscopically observe bone defect healing; tetracycline fluorescence and vonKossa staining were performed to observe the formation of new bone, and H&E staining was performed to examine cartilage and trabecular bone formation. Results: The injectable hyaluronic acid/hUCMSC/BMP-2 could significantly promote the early repair of bone defects and accelerate the process of bone formation. Conclusion: The direct injection of hyaluronic acid/hUCMSC/BMP-2 into afresh bone defect site has a significant beneficial effect on early repair of the bone defect.
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