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Effects of Shenqi Xingnao Prescription on Learning and Memory Ability, Contents of Choline Acetyltransferase and Acetylcholine Esterase in Brain Tissue of Mice Models with Alzheimer Disease / 中国中医药信息杂志
Chinese Journal of Information on Traditional Chinese Medicine ; (12): 56-61, 2018.
Article in Chinese | WPRIM | ID: wpr-707057
ABSTRACT
Objective To observe the effects of Shenqi Xingnao Prescription on learning and memory ability, contents of choline acetyltransferase (ChAT) and acetylcholine esterase (AChE) in brain tissue in mice models with scopolamine-induced Alzheimer disease (AD); To investigate its mechanism for prevention and treatment for AD. Methods Totally 110 ICR mice were randomly divided into control group, control+Shenqi Xingnao Prescription high-dose group,model group,donepezil group,model+Shenqi Xingnao Prescription high-,medium-,and low-dose groups. The control and model group were given distilled water for gavage, and the other groups were given the corresponding medicine for gavage, once a day, for 14 days. On the 15th day, Morris water maze test and object recognition test were used to evaluate the learning and memory ability of each group. The model mice of memory impairment induced by intraperitoneal injection of scopolamine was established 20 minutes before the behavioral test. The expressions of ChAT and AChE in cortex and hippocampus were detected by Western blot. Results The results of Morris water maze test showed that compared with the control group, the model group had significant longer escape latency(P<0.05);Compared with the model group,Shenqi Xingnao Prescription medium-and high-dose groups could shorten the escape latency (P<0.05). The results of the object recognition test showed that compared with the control group, the ability of the model group to explore new things decreased and the discrimination index (DI) decreased (P<0.001);Compared with the model group,Shenqi Xingnao Prescription groups could increase the DI of model mice (P<0.05, P<0.01, P<0.001). The results of Western blot showed that the expression of AChE protein in the cortex and hippocampus of the model group was significantly higher than the control group (P<0.01); Compared with the model group, Shenqi Xingnao Prescription low- and medium-dose groups could decrease the expression of AChE in the cortex in different degrees(P<0.01);Shenqi Xingnao Prescription groups could decreaed the expression of AChE in the hippocampus (P<0.001); There was no significant statistical significance in the expression of ChAT in the cortex and hippocampus in each group.Conclusion Shenqi Xingnao Prescription can significantly improve the learning and memory ability of AD model mice induced by scopolamine, which may be related to the descent expression of AChE protein in the cortex and hippocampus of the model mice.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Information on Traditional Chinese Medicine Year: 2018 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Information on Traditional Chinese Medicine Year: 2018 Type: Article