
浏览全部资源
扫码关注微信
目的:研究神经酸对帕金森病(PD)模型小鼠运动障碍的缓解作用及机制。方法:将小鼠随机分为空白对照组(生理盐水)、模型组(生理盐水)、多巴丝肼片组(阳性对照,按左旋多巴计120 mg/kg)和神经酸低、中、高剂量组(20.0、40.0、80.0 mg/kg),每组10只。除空白对照组外,其余各组小鼠均建立PD模型。成模后,每天ig相应药物1次,连续14 d。末次给药后,观察各组小鼠行为学变化,采用高效液相色谱法测定小鼠脑纹状体内多巴胺(DA)及其代谢物二羟苯乙酸(DOPAC)、高香草酸(HVA)的含量。结果:与空白对照组比较,模型组小鼠爬杆时间延长、滚筒时间缩短、自发运动次数减少(P<0.05),脑纹状体内DA、DOPAC、HVA含量均降低(P<0.05)。与模型组比较,多巴丝肼片组和神经酸各剂量组小鼠爬杆时间缩短、滚筒时间延长(P<0.05),脑纹状体内DA、DOPAC、HVA含量均升高(P<0.05);多巴丝肼片组和神经酸高剂量组小鼠自发运动次数增加(P<0.05)。结论:神经酸可有效改善PD模型小鼠的运动障碍症状,其机制可能与增加脑纹状体内DA含量有关。
OBJECTIVE: To study the alleviation effect of nervonic acid on movement disorder of model mice with Parkinson’s disease (PD). METHODS: Mice were randomly divided into blank control group (normal suline), model group (normal saline), Levodopa and benserazide hydrochloride tablet group (positive control, calculated by L-dopamine 120 mg/kg), nervonic acid low-dose, medium-dose, high-dose groups (20.0, 40.0, 80.0 mg/kg), 10 in each group. Except for blank control group, mice in other groups were inducced for PD models. After modeling, mice were intragastrically given relevant medicines, once a day, for 14 d. After the last administration, behavioral changes of mice in each group were observed. HPLC was conducted to detect dopamine (DA) and its metabolites dihydroxybenzoic acid (DOPAC), homovanillic acid (HVA) concentrations in the striatum of mice. RESULTS: Compared with blank control group, climbing time was extended in model group, drum time was shortened, spontaneous movement times was decreased, and DA, DOPAC, HVA contents in the striatum were reduced (P<0.05). Compared with model group, climbing time was shortened in Levodopa and benserazide hydrochlo ride tablet group, nervonic acid dose groups, drum time was extended, and DA, DOPAC, HVA contents in the striatum were increased (P<0.05); and spontaneous movement times was increased in Levodopa and benserazide hydrochloride tablet group, and nervonic acid high-dose group (P<0.05). CONCLUSIONS: Nervonic acid can effectively improve symptoms of movement dysfunction of model mice with PD. The mechanism may associate with increasing DA content in the striatum.
神经酸帕金森病小鼠运动障碍多巴胺
Nervonic acidParkinson’s diseaseMiceMovement disorderDopamine
0
浏览量
7
下载量
0
CSCD
关联资源
相关文章
相关作者
相关机构
公网安备50010302001817