Enhancement and Repair of Degenerative Intervertebral Disc in Rats Using Platelet-Rich Plasma/Ferulic Acid Hydrogel

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Abstract

Background: Intervertebral degenerative disc (IDD) disease is one of the most common clinical conditions causing low back pain. The main objective of this study was to investigate the repair effect of platelet-rich plasma (PRP) and ferulic acid (FA) hydrogel compound on degenerative discs in rats in combination with bioengineering technology, which may provide a strong theoretical basis for the future treatment of IDD. Methods: Forty-five male Sprague-Dawley rats were randomly divided into groups A-F; MRI was performed in each group at 0, 4, and 8 weeks after injection; and disc tissues were obtained after executing the animals. The histomorphology, apoptosis, and protein synthesis of intervertebral discs in each group were observed by hematoxylin-eosin, Masson, terminal deoxynucleotidyl transferase dUTP nick end labeling staining, and Western blot. Results: The release concentration of all groups reached the peak at 12 hours, and the highest concentration was found in the hydrogel/PRP/FA group at the same time. The MTT assay showed that hydrogel/PRP/FA is well-cytocompatible. The results of animal experiments show that hydrogel/PRP/FA has a good effect on degenerative intervertebral disc in rats. Conclusion: PRP/FA-rich hydrogel compound plays an active role in promoting extracellular matrix synthesis, strengthening and repairing degenerated intervertebral discs in rats.

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Chai, Q., Zhang, B., Da, Y., Wang, W., Gao, Y., Yao, M., … Zhu, Y. (2023). Enhancement and Repair of Degenerative Intervertebral Disc in Rats Using Platelet-Rich Plasma/Ferulic Acid Hydrogel. Cartilage, 14(4), 506–515. https://doi.org/10.1177/19476035231157341

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