Polydatin Attenuated Neuropathic Pain and Motor Dysfunction Following Spinal Cord Injury in Rats by Employing Its Anti-inflammatory and Antioxidant Effects

Overview

Journal Front Pharmacol

Date 2024 Aug 28

PMID 39193334

Authors

Faezeh Sadat Bagheri Bavandpouri

Atefeh Azizi

Fatemeh Abbaszadeh

Amir Kiani

Mohammad Hosein Farzaei

Ehsan Mohammadi-Noori

Sajad Fakhri

Javier Echeverria

Affiliations

Soon will be listed here.

Abstract

Background: Considering the complex pathological mechanisms behind spinal cord injury (SCI) and the adverse effects of present non-approved drugs against SCI, new studies are needed to introduce novel multi-target active ingredients with higher efficacy and lower side effects. Polydatin (PLD) is a naturally occurring stilbenoid glucoside recognized for its antioxidative and anti-inflammatory properties. This study aimed to assess the effects of PLD on sensory-motor function following SCI in rats.

Methods: Following laminectomy and clip compression injury at the thoracic 8 (T8)-T9 level of the spinal cord, rats were randomly assigned to five groups: Sham, SCI, and three groups receiving different doses of PLD treatment (1, 2, and 3 mg/kg). Over 4 weeks, behavioral tests were done such as von Frey, acetone drop, hot plate, Basso-Beattie-Bresnahan, and inclined plane test. At the end of the study, changes in catalase and glutathione activity, nitrite level, activity of matrix metalloproteinase 2 (MMP2) and MMP9 as well as spinal tissue remyelination/neurogenesis, were evaluated.

Results: The results revealed that PLD treatment significantly improved the behavioral performance of the animals starting from the first week after SCI. Additionally, PLD increased catalase, and glutathione levels, and MMP2 activity while reduced serum nitrite levels and MMP9. These positive effects were accompanied by a reduction in the size of the lesion and preservation of neuronal count.

Conclusion: In conclusion, PLD showed neuroprotective effects in SCI rats by employing anti-inflammatory and antioxidant effects, through which improve sensory and motor function.

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