Antidepressant-like effects of paeoniflorin on post-stroke depression in a rat model

被引:64
作者
Hu, Ming-zhe [1 ]
Wang, An-rong [2 ]
Zhao, Ze-yu [3 ]
Chen, Xiang-yan [4 ]
Li, Yan-bin [5 ]
Liu, Bin [5 ]
机构
[1] Guangzhou Univ Chinese Med, Clin Coll 2, Guangzhou, Guangdong, Peoples R China
[2] Shandong Univ Tradit Chinese Med, Jinan, Shandong, Peoples R China
[3] Weifang Med Univ, Sch Clin Med, Weifang, Peoples R China
[4] Zibo City Hosp Tradit Chinese Med, Dept Internal Med, Zibo, Peoples R China
[5] Shandong Univ, Shandong Prov Qianfoshan Hosp, Dept Neurol, Jinan, Shandong, Peoples R China
基金
中国国家自然科学基金;
关键词
Post-stroke depression; paeoniflorin; fluoxetine; BDNF; p-CREB; CEREBRAL-ARTERY OCCLUSION; FUNCTIONAL RECOVERY; MILD STRESS; HIPPOCAMPUS; NEUROTOXICITY; MICE;
D O I
10.1080/01616412.2019.1576361
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Background: Post-stroke depression (PSD) is one of the most prevalent emotional disorders after stroke and often results in poor outcomes. However, the underlying physiopathologic mechanism and effective treatment of PSD remain poorly elucidated. Objective: To investigate whether paeoniflorin has antidepressant-like activity in a rat model of PSD. Methods: Rats were randomly divided into four groups: sham-operated control (Sham), PSD, paeoniflorin (with PSD) and fluoxetine group(with PSD). PSD was developed by the right middle cerebral artery occlusion followed 21 days chronic unpredictable mild stress combined (CUMS) with raised alone. Tests of sucrose preference and open field were used to assess the depression-like behavior. Neurological function was evaluated by neurological deficit score and beam balance test. Expression of phosphorylated CREB (p-CREB) and brain-derived neurotrophic factor (BDNF) in the CA1 region of the hippocampal complex was evaluated by western blot and immunofluorescence. Results: Te depressive-like behaviors markedly improved after paeoniflorin and fluoxetine treatment. Furthermore, paeoniflorin treatment significantly increased BDNF and p-CREB expression in the CA1 region. Conclusions: Observed results suggested that paeoniflorin could ameliorate the symptoms and improve the functional capability of PSD rats, similar to the effect of fluoxetine.
引用
收藏
页码:446 / 455
页数:10
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