Intracerebroventricularly administered phenylalanine and tyrosine: Effects on feeding behavior and norepinephrine concentrations Of specific brain sites in the chicken

Y. H. Choi, Mitsuhiro Furuse, J. Okumura, Y. Shimoyama, K. Sugahara, D. M. Denbow

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A study was carried out to investigate the action of central L-phenylalanine (Phe) and L-tyrosine (Tyr) on food intake of the chicken. In the first trial, Phe (200 μg/10 μl) or saline was acutely administered into the right lateral ventricle (i.c. v.) of chickens (5 birds per each group). Birds (4 birds per each group) were administered with the i.c.v. Tyr (200 μg/10 μl) or saline in the second trial. The brains of the birds were removed for catecholamine assay 30 min postadministration. Catecholamine concentrations were measured at specific sites of the brain (LH: lateral hypothalamus, PVN: paraventricular nucleus, and VMH: ventromedial hypothalamus). No significant effect of amino acids on the concentration of norepinephrine of brain sites investigated was detected. Food intake and rectal body temperature were also monitored for 6 h after central administrations of Phe, Tyr or saline (5 birds per each group). Both Phe and Tyr, up to 1 mg/10 μl, failed to modulate food intake or rectal body temperature.

Original languageEnglish
Pages (from-to)255-259
Number of pages5
JournalAsian-Australasian Journal of Animal Sciences
Volume9
Issue number3
DOIs
Publication statusPublished - Jan 1 1996
Externally publishedYes

Fingerprint

Feeding Behavior
norepinephrine
Phenylalanine
phenylalanine
feeding behavior
Birds
Tyrosine
tyrosine
Chickens
Norepinephrine
chickens
brain
birds
Brain
food intake
Eating
catecholamines
Body Temperature
body temperature
Catecholamines

All Science Journal Classification (ASJC) codes

  • Food Science
  • Animal Science and Zoology

Cite this

Intracerebroventricularly administered phenylalanine and tyrosine : Effects on feeding behavior and norepinephrine concentrations Of specific brain sites in the chicken. / Choi, Y. H.; Furuse, Mitsuhiro; Okumura, J.; Shimoyama, Y.; Sugahara, K.; Denbow, D. M.

In: Asian-Australasian Journal of Animal Sciences, Vol. 9, No. 3, 01.01.1996, p. 255-259.

Research output: Contribution to journalArticle

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