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자료유형
학술저널
저자정보
Jang, Choon-Gon (Department of Pharmacology, College of Pharmacy, Sungkyunkwan University) Kang, Moon-Kyu (Purimed R&D Institute , Kyunghee University) Cho, Jae-Han (Department of Pharmacology, College of Pharmacy, Sungkyunkwan University) Lee, Sun-Bok (Department of Pharmacology, College of Pharmacy, Sungkyunkwan University) Kim, Hyun-Taek (Department of Psychology, Korea University) Park, Soon-Kwon (Department of Anatomy, Korea University College of Medicine) Lee, Jin-Woo (College of Oriental Medicine, Kyunghee University) Park, Seong-Kyu (College of Oriental Medicine, Kyunghee University) Hong, Moo-Chang (College of Oriental Medicine, Kyunghee University) Shin, Min-Kyu (College of Oriental Medicine, Kyunghee University) Shim, In-Sup (East-West Medicine Research Institute , Kyunghee University) Bae , Hyun-Su (Purimed R&D Institute , Kyunghee University, College of Oriental Medicine, Kyunghee University)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제27권 제10호
발행연도
2004.1
수록면
1,065 - 1,072 (8page)

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Depression is associated with a dysfunctional serotonin (5-hydroxytryptamine; 5-HT) system. More recently, several lines of evidence suggest that an important factor in the development of depression may be a deficit in the function and expression of $5-HT_{1A}$ receptors. The present study assessed if Nelumbinis Semen (N. s.) had an anti-depression effect through reversing a decrease in $5-HT_{1A}$receptor binding in rats with depression-like symptoms induced by chronic mild stress. Using a $5-HT_{1A}$ receptor binding assay, with a specific $5-HT_{1A}$receptor agonist, 8- OH-DPAT (8-hydroxy-2-(di-n-propylamino) tetralin), the mechanism of the anti-depression effect of N. s. on rats was investigated, and the effects compared with two well-known antidepressants, Hyperium Perforatum (St. Johns Wort) and fluoxetine (Prozac). Animals were divided into five groups: the normal (N) group without chronic mild stress (CMS), the control (C) group under CMS for 8 weeks, the Nelumbinis Semen (N. s.) treatment group under CMS for 8 weeks, the Hyperium Perforatum (H. p.) treatment group under CMS for 8 weeks and finally, the fluoxetine (F) treatment group under CMS for 8 weeks. Each treatment was administered to rats during the last 4 weeks of the 8-week CMS. A sucrose intake test was performed to test the anti-depression effect of N. s. The N. s. treatment significantly reversed the decreased sucrose intake under CMS (P<0.05 compared to control group under CMS). In the CA2 and CA3 regions of the hippocampus, both N. s. and H. p. reversed the CMS-induced decrease in $5-HT_{1A}$receptor binding. In the I to II regions of the frontal cortex, N. s. and H. p. also reversed the CMS-induced decrease in$5-HT_{1A}$receptor binding, and even showed a significant increase in $5-HT_{1A}$receptor binding compared to the F treatment group (N. s. vs. P, p<0.05, H. p. vs. P, p<0.05). However, in the hypothalamus, all treatments reversed the CMSinduced decrease in $5-HT_{1A}$receptor binding. This reversal effect of N. s. on the decrease in $5-HT_{1A}$receptor binding in the frontal cortex, hippocampus and hypothalamus of rat brains was very similar to that of H. p, but different from that of F. It is concluded that N. s. presents an anti-depression effect through enhancing $5-HT_{1A}$receptor binding.

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