Effects of Fuhe decoction on behaviors and monoamine neurotransmitters in different brain regions of CUMS combined with social isolation depression model rats
2020
Zheng, Ruoyun | Xiong, Weifeng | He, Juan | Wang, Xu | Wang, Ranran | Hao, Yu
To investigate the effect of Fuhe decoction on the behavior and levels of monoamine neurotransmitters in different brain regions in a depression rat model induced by chronic unpredictable mild stimulation (CUMS) combined with social isolation.Fifty male SD rats were randomly divided into a blank group, model group, fluoxetine group, Chaiqinwendan decoction group, and Fuhe decoction group. Chronic unpredictable mild stimulation combined with a social isolation method was used to replicate the depression rat model. After 42 days of administration, a tail suspension test and high-performance liquid electrochemical detection (HPLC-ECD) were used to detect the behavioral changes and changes in the content of monoamine neurotransmitters norepinephrine (NE), dopamine (DA), 5-hydroxytrytamine (5-HT), and metabolites in different brain regions of rats in each group before and after treatment.Compared with the model group, the epinephrine (E) content in the Fuhe decoction group was highly significantly increased (P < .01). Compared with the model group, the 5-HT content of the prefrontal cortex in rats in the Fuhe decoction group was highly significantly increased (P < .01). Furthermore, compared with the model group, the 5-HT content in the hippocampus of rats in the Fuhe decoction group was significantly increased (P < .05).Fuhe decoction can improve the depression-like behaviors of model rats, and its antidepressant effect may be related to the increase in 5-HT content in the prefrontal cortex and hippocampus of rats.
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