Kiasalari Zahra, Khalili Mohsen, Roghani Mehrdad, Heidari Hamid, Azizi Yaser
Neurophysiology Research Centre, Shahed University, Tehran, Iran.
Department of Physiology. Faculty of Medical Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz; Iran.
Basic Clin Neurosci. 2013 Fall;4(4):299-306.
Considering the prevalence of epilepsy and the failure of available treatments for many epileptic patients, finding more effective drugs in the treatment of epilepsy seems necessary. Oxidative stress has a special role in the pathogenesis of epileptic syndrome. Therefore, in the present study, we have examined the anti-epileptic and anti-oxidant properties of the Ferula Assa Foetida gum extract, using the pentylentetrazole (PTZ) kindling method. In this experimental study, sixty male Albino mice weighing 25-30 g were selected and were randomly divided into 6 groups. 1- the control group, 2- PTZ-kindled mice, 3- positive control group which received valproate (100 mg/kg) as anti-convulsant drug, 4-5 & 6- the groups of kindled mice that pretreated with 25, 50 and 100 mg/kg doses of Ferula Assa Foetida gum extract.
Kindling has been induced in all groups, except for the control group via 11 PTZ injections (35 mg /kg; ip) every other day for 22 days. In the 24th day, the PTZ challenge dose was injected (75 mg / kg) to all groups except the control group. The intensity of seizures were observed and noted until 30 minutes after PTZ injection. At list, the mice were decapitated and the brains of all the mice were removed.. and their biochemical factors levels including malondialdehyde (MDA), superoxide dismutase (SOD) and nitric oxide (NO) were determined.
Results of this study show that Ferula Assa Foetida gum extract is able to reduce seizure duration and its intensity. In addition, this extract has reduced MDA and NO levels and increased the level of SOD in the brain tissue compared to the PTZ- kindled mice.
It can be concluded that Ferula Assa Foetida gum extract, in specific doses, is able to show an anti-epileptic effect because of its antioxidant properties, probably acting through an enzyme activity mechanism.
鉴于癫痫的患病率以及许多癫痫患者现有治疗方法的失败,寻找更有效的癫痫治疗药物似乎很有必要。氧化应激在癫痫综合征的发病机制中具有特殊作用。因此,在本研究中,我们使用戊四氮(PTZ)点燃法研究了阿魏胶提取物的抗癫痫和抗氧化特性。在这项实验研究中,选取了60只体重25 - 30克的雄性白化小鼠,并随机分为6组。1 - 对照组,2 - PTZ点燃小鼠组,3 - 阳性对照组,接受丙戊酸盐(100毫克/千克)作为抗惊厥药物,4 - 5和6 - 分别用25、50和100毫克/千克剂量的阿魏胶提取物预处理的点燃小鼠组。
除对照组外,所有组均通过每隔一天腹腔注射11次PTZ(35毫克/千克),持续22天来诱导点燃。在第24天,向除对照组外的所有组注射PTZ激发剂量(75毫克/千克)。观察并记录PTZ注射后30分钟内的癫痫发作强度。最后,将小鼠断头,取出所有小鼠的大脑,并测定其生化因子水平,包括丙二醛(MDA)、超氧化物歧化酶(SOD)和一氧化氮(NO)。
本研究结果表明,阿魏胶提取物能够缩短癫痫发作持续时间并降低其强度。此外,与PTZ点燃小鼠相比,该提取物降低了脑组织中MDA和NO水平,并提高了SOD水平。
可以得出结论,特定剂量的阿魏胶提取物由于其抗氧化特性可能通过酶活性机制发挥作用,从而能够显示出抗癫痫作用。