Neuroprotective Effects of Modafinil on MPTP Mouse Model of Parkinson′s Disease  

莫达非尼对1-甲基-4苯基-1,2,3,6-四氢吡啶所致的帕金森病的神经保护作用(英文)

作　　者：肖艳丽[1] 董志[1] 傅洁民[2] 周岐新[1] 廖红[1] 

机构地区：[1]重庆医科大学药理教研室,重庆400016 [2]重庆医药工业研究院,重庆400061

出　　处：《Journal of Chinese Pharmaceutical Sciences》2003年第3期148-153,共6页中国药学（英文版）

摘　　要：Aim To observe the neuroprotective effects of modafinil on the Parkinson'sdisease ( PD ) model induced by 1-methyl-4-phenyl-1, 2,3, 6-tetrahydropyridine (MPTP ). Methods Themodel of PD was induced by intraperitoneal injection of MPTP into C57BL/6J mice for 4 d. Modafinil(ip, 50 or 100 mg·kg^(-1)·d^(-1)) was administered following MPTP for 4 d and for another 10 dconsecatirely. The effects of modafinil on the locomotor activity, and the incubation, maintenanceperiod and grade of the tremor, the duration of the climbing rod of mouse, and the distribution ofpositive cells of ty-rosine hydroxylase (TH) and Nissl bodies in the striatum and substantia nigra(SN) were observed. The contents of dopam-ine (DA) , noradrenaline (NA) and 5-hydroxytryptamine(5-HT) in the striatum were determined. Results Modafinil (50 and 100 mg·kg^(-1)) significantlyprevented the locomotor, the tremor and climbing rod defect behavior in a dose-dependent manner (P <0.05 and P < 0.01, n = 10), prevented the decrease in the number of TH-positive cells and Nisslbodies (P<0.05, n=10), and reduced the decrease of DA, NA, and 5-HT in the striatum (P < 0.05, n =10) induced by MPTP. Conclusion Modafinil improves the behavioral deficits and prevents themonoaminergic neuron lesion in seriously impaired MPTP mouse model.目的　观察莫达非尼对 1 甲基 4苯基 1,2 ,3,6 四氢吡啶 (MPTP)诱导的帕金森病 (PD)模型的神经保护作用。方法给C5 7BL 6小鼠腹腔注射MPTP4d制备PD模型 ,与MPTP同时给予莫达非尼 (ip ,5 0or10 0mg·kg- 1 ·d- 1 ) 4天后 ,再连续给莫达非尼 10天。观测莫达非尼对小鼠的自发活动 ,震颤潜伏期、维持期和震颤评分及爬杆时间的影响 ,及对纹状体和黑质的酪氨酸羟化酶 (TH)阳性细胞和尼氏体的影响。测定纹状体中多巴胺 (DA) ,去甲肾上腺素 (NA)和 5 羟色胺 ( 5 HT)含量。结果　莫达非尼 ( 5 0和 10 0mg·kg- 1 )呈剂量依赖性显著减少了自发活动、震颤和爬杆的行为缺陷 (P <0 .0 5和P <0 .0 1,n =10 ) ,阻止了MPTP造成的TH和尼氏体数量的减少 (P <0 .0 5 ,n =10 ) ,及纹状体中DA ,NA和 5 HT含量的降低 (P <0 .0 5 ,n =10 )。结论在MPTP诱导的PD小鼠模型中 ,莫达非尼可改善MPTP引起的帕金森病行为缺陷 ,且对单胺能神经细胞的损伤有保护作用。

关 键 词：MPTP parkinson's disease MODAFINIL DOPAMINE tyrosine hydroxylase nisslbodies 

分 类 号：R96[医药卫生—药理学]