The Effect of ۲-Archidonyl Glycerol (۲-AG) as an Endocannabinoid on Tonic- Clonic Seizures Induced by Pentylenetetrazol (PTZ)
Publish Year: 1396
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ZUMS-25-109_002
تاریخ نمایه سازی: 11 اردیبهشت 1400
Abstract:
Background and Objective: In spite of various and effective anti seizure drugs available, ۳۰% of epileptic patients are not adequately treated with current medications. Based on the effectiveness of phytocannabinoids on epileptic and seizure models, in this study the effects of ۲-achidonoylglycerol (۲-AG) injection, as an important endocannabinoid, on tonic-clonic seizures induced by pentylenetetrazol (PTZ) was examined.
Materials and Methods: The study was performed on male wistar rats (۱۸۰-۲۰۰ g). Tonic-clonic seizures were induced through a single intra-peritoneal injection of PTZ (۸۰ mg/Kg) and then seizure behavior was monitored for ۳۰ minutes. The intra-peritoneal injection of ۲-AG (۱ mg/Kg) in dimethyl solfoxide (DMSO) was performed ۱۵ minutes before the PTZ injection. In the sham group an equivalent volume of DMSO was injected ۱۵ minutes before PTZ. Data on the delay of seizure stage occurrence, duration of the stages, number of occurrences for each stage and mortality rate due to tonic-clonic seizures were collected for analysis.
Results: PTZ injection in association with DMSO significantly increased the delay for seizure stages ۱ and ۲, in comparison with just a PTZ injection (P<۰.۰۵), but had no significant effect on the duration and delay of seizure stages ۳-۵. Intra-peritoneal injection of ۲-AG in association with DMSO before the injection of PTZ had no significant effect on the delay and duration of seizures but reduced the occurrence of each seizure stage and also reduced mortality due to tonic-clonic seizures in comparison with PTZ injection associated with DMSO. The mean seizure stage was also significantly decreased (P<۰.۰۵).
Conclusion: It seems ۲-AG injection could be effective in reducing seizure parameters in seizures induced by PTZ.
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Authors
پریسا زارعی
Dept. of Physiology, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran
مهدی صادق
Dept. of Physiology, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran
محمدرضا پالیزوان
Dept. of Physiology, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran
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