Changes in catecholamines and dopaminergic metabolites in pigeon brain during development from the late embryonic stage toward hatch

Izumi Yamasaki, Tomo Takagi, Daichi Oikawa, Tomoyuki Koutoku, Yusuke Koga, Shozo Tomonaga, Tetsuya Tachibana, D. Michael Denbow, Mitsuhiro Furuse

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

While brain development during embryogenesis has been extensively studied in precocial birds, there is no information available on altricial birds. Thus, the concentrations of the catecholamines norepinephrine (NE), epinephrine (E), and dopamine (DA), and the dopaminergic metabolites 3,4-dihydroxyphenylacetic acid (DOPAC) and 4-hydroxy-3-methoxyphenylacetic acid (HVA) were determined at several stages during the late embryonic period (E13, E14, E15, E16, E17 and E18) and the day-of-hatch (PO) in the pigeon telencephalon, cerebellum, optic lobe, and brainstem. The concentrations of all catecholamines were higher than those reported in chicken embryos. During embryogenesis, NE, E, DOPAC and HVA concentrations in the various brain parts increased throughout embryonic development until shortly before hatching at which time they decreased. DA, however, continued to increase through hatching in the brainstem, and the changes in DA concentrations varied in several brain parts. In conclusion, catecholamine concentrations in the various brain parts tended to increase with embryonic age, and the concentrations were higher than those in chickens. Furthermore, brain catcholamine metabolism changed at hatch in pigeons.

Original languageEnglish
Pages (from-to)551-555
Number of pages5
JournalZoological science
Volume20
Issue number5
DOIs
Publication statusPublished - May 1 2003

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catecholamines
pigeons
metabolites
brain
dopamine
embryogenesis
brain stem
norepinephrine
acids
hatching
chickens
optic lobe
birds
epinephrine
cerebellum
embryo (animal)
metabolism

All Science Journal Classification (ASJC) codes

  • Animal Science and Zoology

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Changes in catecholamines and dopaminergic metabolites in pigeon brain during development from the late embryonic stage toward hatch. / Yamasaki, Izumi; Takagi, Tomo; Oikawa, Daichi; Koutoku, Tomoyuki; Koga, Yusuke; Tomonaga, Shozo; Tachibana, Tetsuya; Denbow, D. Michael; Furuse, Mitsuhiro.

In: Zoological science, Vol. 20, No. 5, 01.05.2003, p. 551-555.

Research output: Contribution to journalArticle

Yamasaki, I, Takagi, T, Oikawa, D, Koutoku, T, Koga, Y, Tomonaga, S, Tachibana, T, Denbow, DM & Furuse, M 2003, 'Changes in catecholamines and dopaminergic metabolites in pigeon brain during development from the late embryonic stage toward hatch', Zoological science, vol. 20, no. 5, pp. 551-555. https://doi.org/10.2108/zsj.20.551
Yamasaki, Izumi ; Takagi, Tomo ; Oikawa, Daichi ; Koutoku, Tomoyuki ; Koga, Yusuke ; Tomonaga, Shozo ; Tachibana, Tetsuya ; Denbow, D. Michael ; Furuse, Mitsuhiro. / Changes in catecholamines and dopaminergic metabolites in pigeon brain during development from the late embryonic stage toward hatch. In: Zoological science. 2003 ; Vol. 20, No. 5. pp. 551-555.
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