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

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)55-60
Number of pages6
JournalAmino Acids
Volume34
Issue number1
DOIs
Publication statusPublished - Jan 1 2008

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Metabolites
Hypnotics and Sedatives
Pyruvic Acid
Serine
Derivatives
Amino Acids
Glucose
Diencephalon
Telencephalon
Metabolism
Brain
Injections
Experiments

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Clinical Biochemistry
  • Organic Chemistry

Cite this

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

In: Amino Acids, Vol. 34, No. 1, 01.01.2008, p. 55-60.

Research output: Contribution to journalArticle

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