European journal of trauma and emergency surgery : official publication of the European Trauma Society · 2016
The effect of Riluzole on functional recovery of locomotion in the rat sciatic nerve crush model.
СтатьяНазвание и аннотация: Перевод в очереди
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Ghayour M B, Abdolmaleki A, Behnam-Rassouli M
Аннотация
PURPOSE: Peripheral nerve injury (PNI) is common disorder that represents more than 3 % of all traumatic injury cases. One type of PNI, sciatic nerve injury, leads to considerable motoneuron dysfunction. Because Riluzole is clinically approved for the treatment of motoneuron disease, we evaluated whether Riluzole treatment could enhance the nerve regeneration process and improve functional outcome after sciatic nerve crush in rats.
METHODS: In acute treatment groups, a single dose of Riluzole (6 and 8 mg/kg) was administered intra-peritoneally 15 min after the crush nerve injury. In the chronic treatment groups, animals were treated with Riluzole (4 and 6 mg/kg/d) for 8 days. Sciatic functional index (SFI) was evaluated for 9 weeks after injury. Furthermore, electrophysiological and morphometric evaluations were performed at the 9th week following injury.
RESULTS: Acute and chronic administrations of Riluzole immediately after sciatic nerve crush result in significantly delayed regeneration and reduced motor function outcome.
CONCLUSIONS: These findings suggest that early administration of even a single dose of Riluzole after sciatic nerve crush injury can delay motor function recovery. This effect may not depend on its anti-nociceptive activity.
METHODS: In acute treatment groups, a single dose of Riluzole (6 and 8 mg/kg) was administered intra-peritoneally 15 min after the crush nerve injury. In the chronic treatment groups, animals were treated with Riluzole (4 and 6 mg/kg/d) for 8 days. Sciatic functional index (SFI) was evaluated for 9 weeks after injury. Furthermore, electrophysiological and morphometric evaluations were performed at the 9th week following injury.
RESULTS: Acute and chronic administrations of Riluzole immediately after sciatic nerve crush result in significantly delayed regeneration and reduced motor function outcome.
CONCLUSIONS: These findings suggest that early administration of even a single dose of Riluzole after sciatic nerve crush injury can delay motor function recovery. This effect may not depend on its anti-nociceptive activity.