期刊
BIOLOGICAL & PHARMACEUTICAL BULLETIN
卷 29, 期 12, 页码 2399-2403出版社
PHARMACEUTICAL SOC JAPAN
DOI: 10.1248/bpb.29.2399
关键词
icariin; chronic mild stress model; interleukin-6; tumor necrosis factor-alpha (TNF-alpha); corticotropin-releasing factor; cortisol hypothalamic-pituitary-adrenal axis activity
Icariin is one of the major active flavonoids constituents of Epimedium brevicornum MAXIM (Berberidaceae). Icariin and E. brevicornum have a wide range of pharmacological activities. Abnormality in the hypothalamic-pituitary-adrenal (HPA) axis is considered to be a key neurobilogical factor in major depression, and cytokines have a close relationship with the activation of the HPA axis. In the present study, the aim was to determine whether icariin possesses an antidepressant-like activity, and to explore the effects of icariin on the HPA axis and cytokine levels in chronic mild stress (CMS) model of depression in Sprague-Dawley rats. Icariin significantly increased the sucrose intake of CMS-treated rats from week 3. It not only attenuated the CMS-induced increases in serum corticotropin-releasing factor (CRF) and cortisol levels, but also reversed the abnormal levels of serum interleukin-6 (IL-6) and tumor-necrosis-factor alpha (TNF-alpha) to the normal in the stressed rats. These results suggested that icariin possessed an antidepressant-like property that was at least in part mediated by neuroendocrine and immune systems.
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