The effect of Artemisinin on the Pentylentetrazole-induced seizures during the estrous cycle and GABA interaction in mice
Journal Title: Iranian Journal of Veterinary Science and Technology (IJVST) - Year 2022, Vol 14, Issue 2
Abstract
Catamenial epilepsy may involve 10 to 70% of women with epilepsy in which, seizures are exacerbated by the menstrual cycle. Artemisinin is a herbal compound with widespread modern and traditional medical indications. Because of GABAergic interaction, this study was designed to study the antiepileptic effects of Artemisinin during the estrus cycle.  A total of 360 adult female mice were placed in 10 groups: control, solvent (ethanol 10ml/kg), Artemisinin (75&150 mg/kg), Bicuculline (2mg/kg), Bicuculline (2mg/kg) + Atremisinin (75&150 mg/kg), Saclofen (2mg/kg), Saclofen (2mg/kg) + Atremisinin (75&150 mg/kg), each with four subgroups (proestrus, estrus, metestrus and diestrus) (n=9). One week after acclimatization, estrous synchronization and phase determination was achieved. Acute epilepsy was induced by intraperitoneal (i.p) injection of 80 mg/kg of Pentylentetrazole (PTZ), 30 minutes after i.p injection of Artemisinin and ethanol. Initiation time of myoclonic seizures (ITMS), initiation time of tonic-clonic seizures (ITTS), seizure duration (SD), and mortality rate (MR) were recorded for 30 minutes. Data were displayed as mean ± SD and evaluated using one-way ANOVA followed by TukeyâKramer multiple comparison post hoc tests (p < 0.05). Artemisinin significantly decreased epilepsy incidence, duration, and mortality rate, in parallel to increasing ITMS and ITTS in a dose-dependent manner which were more prominent during the luteal phase. Co-administration of Biccucluline significantly inhibited antiepileptic effects of Artemisinin, while Saclofen did not have such an inhibitory interaction. It seems that increased neurosteroid metabolites and GABAA receptors, neural hyperpolarization following GABA interaction, and anti-inflammatory and anti-oxidative properties which decrease neuroinflammation and neural excitability can participate in the antiepileptic effects of Artemisinin.
Authors and Affiliations
Mahsa Barkhordarian,Jahangir Kaboutari,Morteza Zendedel kheybari,Saied Habibian Dehkordi,
Keywords
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