Comparison of the effect of soy and casein-derived peptide administration on tyrosine and catecholamine metabolism in the mouse brain

Yukako Hino, Ayumi Koyanagi, Motohiro Maebuchi, Takashi Ichinose, Shigeki Furuya

研究成果: ジャーナルへの寄稿記事

抄録

The effect of soy and casein peptide intake on the metabolism of amino acids and monoamine neurotransmitters in the serum and brain were examined in C57BL/6 mice. Acute oral administration of soy peptide (0.026 g/30 g body weight) caused a notable increase in tyrosine, a catecholamine precursor, in the serum and cerebral cortex, whereas casein peptide administration at the same dose led to an increase in tyrosine in the serum, but not in the cerebral cortex. In addition to tyrosine, soy peptide administration also led to an effective augmentation of 3-methoxy-4-hydroxyphenylethyleneglycol (MHPG), a principal metabolite of noradrenaline, and significant facilitation of noradrenergic turnover in the cerebral cortex, brainstem, and hippocampus compared to the vehicle control. Casein peptide administration also led to an increase in MHPG only in the cerebral cortex, and caused facilitation of noradrenergic turnover in the cerebral cortex and brainstem. These in vivo observations suggest that both soy and casein peptide intake at this concentration can lead to an increased availability of tyrosine and stimulation of noradrenergic turnover in the brain.

元の言語英語
ページ(範囲)329-334
ページ数6
ジャーナルJournal of Nutritional Science and Vitaminology
64
発行部数5
DOI
出版物ステータス出版済み - 1 1 2018

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Caseins
Catecholamines
Tyrosine
Cerebral Cortex
Peptides
Brain
Brain Stem
Serum
Inbred C57BL Mouse
Neurotransmitter Agents
Oral Administration
Hippocampus
Norepinephrine
Body Weight
Amino Acids

All Science Journal Classification (ASJC) codes

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

これを引用

Comparison of the effect of soy and casein-derived peptide administration on tyrosine and catecholamine metabolism in the mouse brain. / Hino, Yukako; Koyanagi, Ayumi; Maebuchi, Motohiro; Ichinose, Takashi; Furuya, Shigeki.

:: Journal of Nutritional Science and Vitaminology, 巻 64, 番号 5, 01.01.2018, p. 329-334.

研究成果: ジャーナルへの寄稿記事

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