Relationships between the sedative and hypnotic effects of intracerebroventricular administration of L-serine and its metabolites, pyruvate and the derivative amino acids contents in the neonatal chicks under acute stressful conditions

M. Asechi, I. Kurauchi, S. Tomonaga, H. Yamane, R. Suenaga, Y. Tsuneyoshi, D. M. Denbow, M. Furuse

研究成果: Contribution to journalArticle査読

22 被引用数 (Scopus)

抄録

Intracerebroventricular (i.c.v.) injection of L-serine was shown to have sedative and hypnotic effects on neonatal chicks under acute stressful conditions. To clarify the central mechanism of these effects of L-serine, two experiments were done. First, we focused on the glycogenic pathway in which L-serine is converted into pyruvate and finally glucose. I.c.v. administration of pyruvate (0.84 μmol) did not induce any behavioral and endocrinological changes, while L-serine and glucose triggered sedative and hypnotic effects. Secondly, the relationship between the sedation by L-serine and the metabolism into other amino acids which have sedative effects was investigated in the telencephalon and diencephalon. In both brain areas, a dose-dependent increase was seen in L-serine, although other amino acids were not changed. In the present study, it was concluded that the sedative action of L-serine was not due to the action of its metabolite pyruvate, or to the action of other amino acids.

本文言語英語
ページ(範囲)55-60
ページ数6
ジャーナルAmino Acids
34
1
DOI
出版ステータス出版済み - 1 1 2008

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Clinical Biochemistry
  • Organic Chemistry

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