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Antidepressant-like effect of the extracted of Kai Xin San, a traditional Chinese herbal prescription, is explained by modulation of the central monoaminergic neurotransmitter system in mouse.

Abstract：

ETHNOPHARMACOLOGICAL RELEVANCE:Kai Xin San (KXS) is a traditional Chinese herbal prescription for the treatment of depression-like disorders, anxiety, and impairment in learning and memory, however, there is very little scientific data concerning the efficacy of this. AIM OF THE STUDY:The present study aimed to investigate the antidepressant potential of Kai Xin San and its possible mechanisms. MATERIALS AND METHODS:Mouse models of depression including the tail suspension test (TST) and the forced swim test (FST) were used to evaluate the effects of KXS. A possible mechanism was explored in the tests of antagonism of reserpine-induced ptosis, akinesia and hypothermia and 5-HTP induced head-twitch response in mice. The contents of monoamine neurotransmitters including epinephrine (NE), 5-hydroxytryptamine (5-HT) and dopamine (DA) in mice brain were determined by Elisa. Spontaneous motor activities of mice and rotarod test were performed to find whether KXS has excitatory or inhibitory actions on the central nervous system. RESULTS:The results showed that intragastric administration of KXS at 175, 350, 700, 1400 mg/kg/day or fluoxetine at 28 mg/kg/day for 3 days significantly reduced the duration of immobility in TST and FST, while it showed no effect on the spontaneous motor activity and rotarod performance in mice. However, the effect was not dose-dependent. The pre-treatment with KXS or fluoxetine for 3 days could elevate the contents of NE, 5-HT and DA in mice brain significantly. When the mice were treated with KXS (350 mg/kg, p.o) or desipramine (30 mg/kg, p.o) for 7 days, both of them could antagonize reserpine-induced ptosis, akinesia and hypothermia. The KXS (350 mg/kg) also increased the accumulative number of the 5-HTP-induced head twitch response in mice in 20 min when KXS at dosages of 175, 350, 700 and 1400 mg/kg/day were performed per os (p.o.) during a 1-day, 3-day or 7-day period. CONCLUSIONS:Our results suggested that KXS exerts antidepressant-like effect. A possible mechanism, at least in part, is via the central monoaminergic neurotransmitter system and 5-HT plays a major role.

journal_name

J Ethnopharmacol

journal_title

Journal of ethnopharmacology

authors

Zhou XJ,Liu M,Yan JJ,Cao Y,Liu P

doi

10.1016/j.jep.2011.11.027

subject

Has Abstract

pub_date

2012-01-31 00:00:00

pages

422-8

issue

eissn

0378-8741

issn

1872-7573

pii

S0378-8741(11)00835-X

journal_volume

139

pub_type

杂志文章

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Antidepressant-like effect of the extracted of Kai Xin San, a traditional Chinese herbal prescription, is explained by modulation of the central monoaminergic neurotransmitter system in mouse.