지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2013.6
- 수록면
- 179 - 185 (7page)
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Polygalae radix (PR) has traditionally been used as a sedative and anti-stress agent in oriental countries for a long time. PR which contains many ingredients is especially rich in saponins. This study was performed to investigate whether ethanol extract of PR enhances pentobarbital-induced sleep behaviors. In addition, possible mechanisms also were investigated. PR inhibited locomotor activity in mice. PR increased sleep rate and sleep time by concomitant administration with sub-hypnotic dose of pentobarbital (28 mg/kg). PR prolonged total sleeping time, and shortened sleep latency induced by pentobarbital (42 mg/kg). In addition, PR increased intracellular chloride concentration in primary cultured neuronal cells. The expression level of glutamic acid decarboxylase (GAD) were increased, and γ-aminobutyric acid (GABA)A receptors subunits were modulated by PR, especially increasing γ-subunit expression. In conclusion, PR augments penobarbital-induced sleep behaviors through activation of GABA<sub>A</sub> receptors and chloride channel complex.
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