Effect of intracerebroventricular injection of olive leaf extract on PTZ-induced seizures in male rats
Author(s):
Abstract:
Introduction
Olive leaf contains anti-inflammatory and COX-2 inhibitor compounds. Considering the role of the COX enzyme in seizures, this research was performed to assess the effects of this extract in treatment of seizures induced by PTZ. Methods
In this research, male Wistar rats (200±20 g) were injected intra-cerebroventricularly with 1 μl saline or olive leaf extract (125 μg, 250 μg and 500 μg), before the intraperitoneal administration of PTZ (80 mg/kg) for induction of seizure. Then, seizure score and onset times of every stage of seizure were recorded during 20 minutes after PTZ administration. The data was analyzed by one-way analysis of variance (ANOVA) and non parametric tests. Results
Result of this research showed that the injection of 125, 250 and 500 μg of olive leaf extract had no effect on the onset time of seizure stages 1, 2 and 3 compared to the control group (P>0.05). However, they significantly decreased the onset time of seizure stages 4 and 5 compared to the control group (P<0.05). On the other hand, olive leaf extract decreased onset time of generalized (tonic-clonic) seizures, but had no effect on partial seizures. Different doses of olive leaf extract had no effect on seizure scores. Conclusion
Olive leaf extract has convulsive property and this effect is time and dose dependent.Language:
Persian
Published:
Physiology and Pharmacology, Volume:15 Issue: 1, 2011
Page:
108
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