Abstract
Background: Novel nanoparticle drug therapy could be an effective method to enhance peripheral nerve regeneration. Objectives: The current study aimed to determine the effect of Fe3O4 nanoparticles (NP) coated with omega-3 on sciatic nerve regeneration in Wistar rats. Methods: The rats' left sciatic nerve was crushed with a non-serrated clamp. Animals in experimental groups were given Fe3O4@ω3 NPs (10 or 30 mg/kg/d) for one week. The recovery of functions was then assessed over eight weeks using a walking track analysis and a hot plate test. In addition, histomorphometry was used to assess the histomorphometric factors. Results: Results showed that Fe3O4@ω3 NPs may have enhanced sciatic nerve regeneration and improved sensorimotor rehabilitation in comparison to the negative controls. These therapeutic effects were significantly greater in Fe3O4@ω3 NPs at a dose of 30 mg/kg. Furthermore, Fe3O4@ω3 NPs treatment, compared to negative controls, significantly reduced gastrocnemius muscle atrophy and improved histomorphometric parameters. Conclusions: It was determined that Fe3O4@ω3 NPs had great potential for nerve regeneration due to the ease of their manufacturing and their desired efficacy.
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