Control of stress-induced depressive disorders by So-ochim-tang-gamibang, a Korean herbal medicine
- Authors
- Choi, Jung Eun; Park, Dae-Myung; Chun, Eunho; Choi, Jeong June; Seo, Ji Hye; Kim, Seunghyung; Son, Jaemin; Do, Moonho; Kim, Sun Yeou; Park, Yang-Chun; Jung, In Chul; Jin, Mirim
- Issue Date
- 20-Jan-2017
- Publisher
- ELSEVIER IRELAND LTD
- Keywords
- So-ochim-tang-gamibang; Depression; Stress; Corticosterone; Neuronal damage
- Citation
- JOURNAL OF ETHNOPHARMACOLOGY, v.196, pp.141 - 150
- Journal Title
- JOURNAL OF ETHNOPHARMACOLOGY
- Volume
- 196
- Start Page
- 141
- End Page
- 150
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/6487
- DOI
- 10.1016/j.jep.2016.12.025
- ISSN
- 0378-8741
- Abstract
- Ethnopharmacological relevance: So-ochim-tang-gamibang (SOCG) is a Korean herbal medicine formula that has been applied to treat depressive moods and depression associated somatoform pain. This decoction consists of Cyperus rotundus L. (Cyperi Rhizoma), Lindera aggregata (Sims) Kosterm. (Linderae Radix), Aquilaria agallochum (Lour.) Roxb. ex Finl. (Aquilariae Resinatum Lignum), Glycyrrhiza uralensis Fisch. (Glycyrrhizae Radix) Platycodon grandiflorum (Jacq.) A. DC. (Platycodi Radix), and Citrus aurantium L. (Aurantii Fructus). The aim of this study is to assess antidepressant-like effects of SOCG and to investigate its possible cellular and molecular mechanisms. Material and methods: Using chronic restraint stress animal model, effects of SOCG on depressive-like behaviors, corticosterone, and hippocampal expressions of a neurotrophic factor and an apoptotic marker, were investigated. Mice were exposed to restraint stress 6 h per day over a period of two weeks, and orally administrated either SOCG (30, 100, or 300 mg/kg/day). The depressive-like behaviors were analyzed by forced swimming test and open field test. The serum levels of corticosterone were measured by enzyme-linked immunosorbent assay. Expressions of caspase-3 and BDNF in the hippocampus were analyzed by immunofluorescence. Further, effects of SOCG were examined in corticosterone-treated PC12 cells. Cellular toxicity was determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide and lactate dehydrogenase assays. Real-time PCR was applied to investigate the cellular expression levels of Box, Bcl-2, and BDNF. The levels of caspase-3 and BDNF were examined by Western blotting. Results: Administration of SOCG not only reduced immobility time of restraint-stressed mice in a dose dependent manner, but also significantly increased the distance mice moved and the number of crossings in the open field test. Further, SOCG significantly reduced the serum level of corticosterone and expression of caspase-3, while increased expression of BDNF in vivo. SOCG increased cell viability in corticosterone treated PC12 cells, which was accompanied by decreased caspase-3 expression and the ratio of Bax/Bcl-2 mRNA expression as well as increased BDNF expression in vitro. Conclusions: Taken together, our data suggested that SOCG may have potential as an antidepressant agent controlling depressive behaviors and corticosterone-induced neuronal damage caused by chronic stress.
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