Determination of free D-aspartic acid, D-serine and D-alanine in the brain of mutant mice lacking D-amino-acid oxidase activity

Akiko Morikawa, Kenji Hamase, Tomomi Inoue, Ryuichi Konno, Akira Niwa, Kiyoshi Zaitsu

Research output: Contribution to journalArticle

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Abstract

A simple and precise method for the simultaneous determination of free D-aspartic acid, D-serine and D-alanine in mouse brain tissues was established, using a reversed-phase HPLC system with widely used pre-column derivatizing reagents, o-phthaldialdehyde and N-t-butyloxycarbonyl-L-cysteine. With the present method, the contents of these three D-amino acids in hippocampus, hypothalamus, pituitary gland, pineal gland and medulla oblongata as well as cerebrum and cerebellum of mutant mice lacking D-amino-acid oxidase activity were determined and compared with those obtained for control mice. In both mice, extremely high contents of D-serine were observed in forebrain (100-400 nmol/g wet tissue), and the contents were small in pituitary and pineal glands. While, D-serine contents in cerebellum and medulla oblongata of mutant mice were about ten times higher than those in control mice. In contrast, D-alanine contents in mutant mice were higher than those in control mice in all brain regions and serum.

Original languageEnglish
Pages (from-to)119-125
Number of pages7
JournalJournal of Chromatography B: Biomedical Sciences and Applications
Volume757
Issue number1
DOIs
Publication statusPublished - Jun 5 2001

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D-Amino-Acid Oxidase
D-Aspartic Acid
Alanine
Serine
Brain
o-Phthalaldehyde
Tissue
Cysteine
Amino Acids

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

Determination of free D-aspartic acid, D-serine and D-alanine in the brain of mutant mice lacking D-amino-acid oxidase activity. / Morikawa, Akiko; Hamase, Kenji; Inoue, Tomomi; Konno, Ryuichi; Niwa, Akira; Zaitsu, Kiyoshi.

In: Journal of Chromatography B: Biomedical Sciences and Applications, Vol. 757, No. 1, 05.06.2001, p. 119-125.

Research output: Contribution to journalArticle

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AU - Niwa, Akira

AU - Zaitsu, Kiyoshi

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