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Article Publish Status: FREE
Abstract Title:

The ameliorative effects of sesamol against seizures, cognitive impairment and oxidative stress in the experimental model of epilepsy.

Abstract Source:

Iran J Basic Med Sci. 2014 Feb ;17(2):100-7. PMID: 24711892

Abstract Author(s):

Parichehr Hassanzadeh, Elham Arbabi, Fatemeh Rostami

Article Affiliation:

Parichehr Hassanzadeh

Abstract:

OBJECTIVE(S): A growing interest has recently been attracted towards the identification of plant-based medications including those with protective effects against cognitive impairment. Sesamol has shown promising antioxidant and neuroprotective effects, therefore, we aimed to evaluate its therapeutic potential in epilepsy which is commonly associated with oxidative stress and cognitive impairment.

MATERIALS AND METHODS: Male Wistar rats received pentylenetetrazole (PTZ) (30 mg/kg, IP) once every other day until the development of kindling, i.e., the occurrence of stage 5 of seizures for three consecutive trials. After the completion of kindling procedure, behavioural tests including elevated plus maze and passive avoidance were performed in order to assess learning and memory. Oxidative stress was assessed by estimation of lipid peroxidation and reduced glutathione. The effects of pretreatment with sesamol (10, 20, and 30 mg/kg, IP) against PTZ-induced seizures, cognitive impairment and oxidative stress were investigated.

RESULTS: 32.45± 1.86 days after treatment with PTZ, kindling was developed that was associated with myoclonic jerks and generalized tonic-clonic seizures. Moreover, PTZ kindling induced a remarkable cognitive impairment and oxidative stress. Sesamol (30 mg/kg) significantly delayed the development of kindling and prevented seizure-induced cognitive impairment and oxidative stress.

CONCLUSION: Sesamol exerts ameliorative effects in the experimental model of epilepsy. This phytochemical may be considered as a beneficial adjuvant for antiepileptic drugs.

Study Type : Animal Study

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