Effect of sparteine on status epilepticus induced in rats by pentylenetetrazole, pilocarpine and kainic acid

Effect of sparteine on status epilepticus induced in rats by pentylenetetrazole, pilocarpine and... The long-term effects of status epilepticus (SE) include severe clinical conditions that result in disorders of various organs and systems as well as neurological damage that could lead to death. Sparteine is a quinolizidine alkaloid synthesized from most Lupine species, and its anticonvulsive effect was evaluated in the pentylenetetrazole model of SE. However, efforts to clearly determine the anticonvulsive effect of sparteine have not been made previously. For this reason, we consider it important to study the anticonvulsant effects of sparteine at the level of behavior and EEG activity in three different SE models. The animals of the control groups, which received intraperitoneal pentylenetetrazole (90mg/kg), kainic acid (9mg/kg) or pilocarpine (370mg/kg), exhibited convulsive behavior and epileptiform activity. After sparteine pretreatment (13mg/kg, administered 30min before the convulsive drug), the animals administered pentylenetetrazole and pilocarpine exhibited reduced mortality rates compared with the corresponding control groups, while the animals administered kainic acid exhibited a delayed onset of convulsive behavior and decreased seizure duration compared with the corresponding control group. In the three models of SE, a significant reduction in the amplitude and frequency of discharge trains was observed. These results support the anticonvulsant effect of low doses of sparteine and allow us to direct our efforts to other new anticonvulsant strategies for seizure treatment. However, it is necessary to perform more experiments to determine the precise mechanism through which sparteine produces an anticonvulsant effect at this concentration. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Brain Research Elsevier

Effect of sparteine on status epilepticus induced in rats by pentylenetetrazole, pilocarpine and kainic acid

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Publisher
Elsevier
Copyright
Copyright © 2015 Elsevier B.V.
ISSN
0006-8993
D.O.I.
10.1016/j.brainres.2015.07.017
Publisher site
See Article on Publisher Site

Abstract

The long-term effects of status epilepticus (SE) include severe clinical conditions that result in disorders of various organs and systems as well as neurological damage that could lead to death. Sparteine is a quinolizidine alkaloid synthesized from most Lupine species, and its anticonvulsive effect was evaluated in the pentylenetetrazole model of SE. However, efforts to clearly determine the anticonvulsive effect of sparteine have not been made previously. For this reason, we consider it important to study the anticonvulsant effects of sparteine at the level of behavior and EEG activity in three different SE models. The animals of the control groups, which received intraperitoneal pentylenetetrazole (90mg/kg), kainic acid (9mg/kg) or pilocarpine (370mg/kg), exhibited convulsive behavior and epileptiform activity. After sparteine pretreatment (13mg/kg, administered 30min before the convulsive drug), the animals administered pentylenetetrazole and pilocarpine exhibited reduced mortality rates compared with the corresponding control groups, while the animals administered kainic acid exhibited a delayed onset of convulsive behavior and decreased seizure duration compared with the corresponding control group. In the three models of SE, a significant reduction in the amplitude and frequency of discharge trains was observed. These results support the anticonvulsant effect of low doses of sparteine and allow us to direct our efforts to other new anticonvulsant strategies for seizure treatment. However, it is necessary to perform more experiments to determine the precise mechanism through which sparteine produces an anticonvulsant effect at this concentration.

Journal

Brain ResearchElsevier

Published: Oct 22, 2015

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