• Murat Gökten, Selim Zırh, Can Sezer, ZırhElham BahadorEB0000-0002-6921-2365Department of Histology, TOBB University of Economics and Technology, Ankara, Turkey., and Dilara Bulut Gökten.
• Tekirdag City Hospital, Tekirdag, Turkey. mrtgokten@gmail.com.
• Eur J Trauma Emerg Surg. 2024 Apr 11.

BackgroundTraumatic spinal cord injury (SCI) is the most common preventable cause of morbidity. Despite rapid advances in medicine, effective pharmacological treatment against SCI has not yet been confirmed. This study aimed to investigate the possible anti-inflammatory, antiapoptotic, and neuroprotective effects of safinamide after SCI in a rat model.MethodsA total of 40 male Wistar albino rats were randomly divided into four groups. Group 1 underwent only laminectomy. Group 2 underwent SCI after laminectomy. In group 3, SCI was performed after laminectomy, and immediately afterward, intraperitoneal physiological saline solution was administered. In group 4, SCI was performed after laminectomy, and 90 mg/kg of safinamide was given intraperitoneally immediately afterward. Moderate spinal cord damage was induced at the level of thoracic vertebra nine (T9). Neuromotor function tests were performed and levels of tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), and interleukin-1 beta (IL-1β) were measured. In both serum and spinal cord tissue, immunohistochemistry and histopathology studies were also conducted.ResultsTNF-α, IL-1β, and IL-6 levels were found to be significantly increased in group 2 and group 3. In group 4, these levels were statistically significantly decreased. Group 4 also exhibited significant improvement in neuromotor function tests compared to the other groups. Histopathologically, it was found that group 4 showed significantly reduced inflammation and apoptosis compared to the other groups.ConclusionThis study revealed that safinamide has neuroprotective effects against SCI due to its anti-inflammatory, antiapoptotic, and antioxidant activities.© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany.

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