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자료유형
학술저널
저자정보
Jung, Ji-Wook (Department of Oriental Pharmaceutical Science, College of Pharmacy, Kyung Hee University) Yoon, Byung-Hoon (Department of Oriental Pharmaceutical Science, College of Pharmacy) Kim, Sun-Yeou (Department of Herbal Pharmacology, Graduate School of East-West Medical Science, Kyung Hee University) Cheong, Jae-Hoon (Department of Pharmacy, Sahmyook University) Ryu, Jong-Hoon (Department of Oriental Pharmaceutical Science, College of Pharmacy, Kyung Hee University)
저널정보
한국응용약물학회 The journal of applied pharmacology : the official journal of the Korean Society of Applied Pharmacology The journal of applied pharmacology : the official journal of the Korean Society of Applied Pharmacology 제13권 제2호
발행연도
2005.1
수록면
84 - 89 (6page)

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The purpose of this study was to characterize the putative anxiolytic-like effects of the aqueous extract of the root of Polygala tenuifolia ( AEPT) using an elevated plus maze (EPM) and hole-board apparatus in mice. The AFPT was orally administered at 50, 100, 200 or 400 mg/kg to ICR mice, 1 h before the behavioral evaluation in the EPM respectively. Control mice were treated with an equal volume of saline, and positive control mice with buspirone (2 mg/kg). Single treatments of the AEPT significantly increased the percentage of time spent and arm entries into the open arms of the EPM vedrsus saline controls (P<0.05). Moreover, there were no changes in the locomotor activity and myorelaxant effects in any group compared with the saline controls. In the hole-board test,single treatments of the AEPT (200 and 400 mg/kg) significantly increased the number of headdips versus saline controls (P<0.05). In addition, the anxiolytic-like effects of the AEPT were blocked by WAY 100635(0.3mg/kg, I.p), a5-$HT_{1A}$ receptor antagonist not by flumazenil, a $GABA_{A}$ antagonist. These results indicate that P. tenuifolia is an effective anxiolytic agent, andsuggest that the anxiolytic-like effects of P. tenuifolia is mediated via the serotonergic nervous system.

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