Central administration of L-Ser-L-His and L-Ile-L-His induced sedative effects under an acute stressful condition in chicks

Yousuke Tsuneyoshi, Shozo Tomonaga, Haruka Yamane, Koji Morishita, D. Michael Denbow, Mitsuhiro Furuse

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Carnosine (β-alanyl-L-histidine) is rich in the skeletal muscle and brain, but the function of dipeptides like carnosine in the brain has not been clarified. We previously showed that β-alanyl dipeptides with carboxyl terminal branched chain amino acids induced hyperactivity in chicks when intracerebroventricularly (i.c.v.) administrated. In the present study we investigated the effect of amino terminal histidine related dipeptides under isolation induced stress. I.c.v. injection of L-seryl-L-histidine and L-isoleucyl-L-histidine induced sedation with a weak hypnotic effect, and L-valyl-L-histidine lowered spontaneous activity in chicks. However, L-alanyl-L-histidine, glycyl-L-histidine and L-methionyl-L-histidine had no significant effects in all parameteres determined. These results indicate that L-seryl-L-histidine and L-isoleucyl-L-histidine dipeptides may be effective in improving anxiety and have novel functional effects in the brain.

Original languageEnglish
Pages (from-to)65-68
Number of pages4
JournalLetters in Drug Design and Discovery
Volume5
Issue number1
DOIs
Publication statusPublished - Jan 1 2008

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Hypnotics and Sedatives
Histidine
Dipeptides
seryl-histidine
Carnosine
glycylhistidine
Brain
serine containing aminolipid
Branched Chain Amino Acids
Skeletal Muscle
Anxiety
Injections

All Science Journal Classification (ASJC) codes

  • Molecular Medicine
  • Pharmaceutical Science
  • Drug Discovery

Cite this

Central administration of L-Ser-L-His and L-Ile-L-His induced sedative effects under an acute stressful condition in chicks. / Tsuneyoshi, Yousuke; Tomonaga, Shozo; Yamane, Haruka; Morishita, Koji; Denbow, D. Michael; Furuse, Mitsuhiro.

In: Letters in Drug Design and Discovery, Vol. 5, No. 1, 01.01.2008, p. 65-68.

Research output: Contribution to journalArticle

Tsuneyoshi, Yousuke ; Tomonaga, Shozo ; Yamane, Haruka ; Morishita, Koji ; Denbow, D. Michael ; Furuse, Mitsuhiro. / Central administration of L-Ser-L-His and L-Ile-L-His induced sedative effects under an acute stressful condition in chicks. In: Letters in Drug Design and Discovery. 2008 ; Vol. 5, No. 1. pp. 65-68.
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