Room-temperature super-extraction system (RTSES) optimizes the anxiolytic- and antidepressant-like behavioural effects of traditional Xiao-Yao-San in mice

doi:10.1186/1749-8546-7-24

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Title:	Room-temperature super-extraction system (RTSES) optimizes the anxiolytic- and antidepressant-like behavioural effects of traditional Xiao-Yao-San in mice
Authors:	Yin, Shih-Hsi Wang, Ching-Cheng Cheng, Tain-Junn Chang, Chia-Yu Lin, Kao-Chang Kan, Wei-Chih Wang, Hsien-Yi Kao, Wenny Mei-Wen Kuo, Yen-Liang Chen, Jian-Chyi Li, Shun-Lai Cheng, Chia-Hui Chuu, Jiunn-Jye
Contributors:	職業安全衛生系
Keywords:	Chinese Herbal Medicines Kami-Shoyo-San Intact Rat Fluoxetine Release Insulin Anxiety Disability Depression Locomotion
Date:	2012-11-07
Issue Date:	2014-03-21 16:12:31 (UTC+8)
Publisher:	Biomed Central Ltd
Abstract:	Background: Xiao-Yao-San (XYS) is a Chinese medicinal formula for treating anxiety and depression. This study aims to evaluate the use of a room-temperature super-extraction system (RTSES) to extract the major active components of XYS and enhance their psycho-pharmacological effects.Methods: The neuroprotective roles of XYS/RTSES against reserpine-derived neurotoxicity were evaluated using a glial cell injury system (in vitro) and a depression-like C57BL/6 J mouse model (in vivo). The anxiolytic-behavioural effects were measured by the elevated plus-maze (EPM) test and the antidepressant effects were evaluated by the forced swimming test (FST) and tail suspension test (TST). Glucose tolerance and insulin resistance were assayed by ELISA. The expression of 5-HT1A receptors in the prefrontal cortex was examined by western blotting.Results: XYS/RTSES (300 mu g/mL) diminished reserpine-induced glial cell death more effectively than either XYS (300 mu g/mL) or fluoxetine (30 mu M) at 24 h (P = 0.0481 and P = 0.054, respectively). Oral administration of XYS/RTSES (500 mg/kg/day) for 4 consecutive weeks significantly elevated the ratios of entries (open arms/closed arms; P = 0.0177) and shuttle activity (P = 0.00149) on the EPM test, and reduced the immobility time by 90% on the TST (P = 0.00000538) and FST (P = 0.0000053839). XYS/RTSES also improved the regulation of blood glucose (P = 0.0305) and increased the insulin sensitivity (P = 0.0093). The Western blot results indicated that the activation of cerebral 5-HT1A receptors may be involved in the mechanisms of XYS/RTSES actions.Conclusion: The RTSES could provide a novel method for extracting effective anxiolytic- and antidepressant-like substances. XYS/RTSES improved the regulation of blood glucose and increased the insulin sensitivity in reserpine-induced anxiety and depression. Neuroprotection of glial cells and activation of cerebral 5-HT1A receptors were also involved.
Relation:	Chinese Medicine, 7, UNSP 24
Appears in Collections:	[Dept. of Occupational Safety] Periodical Articles

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