| Regional distribution and postnatal changes of D-amino acids in rat brain. | |
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MedLine Citation:
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PMID: 9101716 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Regional distribution of D-amino acids in rat brain was studied by the modified highly sensitive analytical method which was previously developed. The method includes fluorogenic derivatization of each amino acid, isolation of each amino acid by reverse-phase HPLC, followed by enantiomeric separation with Pirkle-type chiral stationary phases. D-Amino acid contents were determined in the cerebrum, cerebellum, hippocampus, medulla oblongata, pituitary gland and pineal gland. D-Aspartic acid was observed in the pineal gland (3524 +/- 263 nmol/g, data are for male rats of 6 weeks of age) and the pituitary gland (80.5 +/- 9.0 nmol/g). D-Serine was found in various regions of the brain except for the cerebellum and medulla oblongata. D-Alanine was observed exclusively in the pituitary gland (25.9 +/- 4.4 nmol/g), whereas D-leucine was found in the pineal gland (3.4 +/- 0.4 nmol/g) and the hippocampus (1.6 +/- 0.07 nmol/g). No other D-amino acids were detected in the brain. The contents of D-aspartic acid in the pituitary gland and D-serine in the pineal gland were higher in female rats. In contrast the contents of D-alanine in the pituitary gland and D-leucine in the pineal gland and the hippocampus were higher in males. Postnatal changes of D-aspartic acid and D-leucine in the pineal gland and D-alanine in the pituitary gland were also investigated. The results described in this paper suggested that distinct regulatory mechanisms exist for individual D-amino acids in the corresponding region of rat brain. |
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Authors:
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K Hamase; H Homma; Y Takigawa; T Fukushima; T Santa; K Imai |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Biochimica et biophysica acta Volume: 1334 ISSN: 0006-3002 ISO Abbreviation: Biochim. Biophys. Acta Publication Date: 1997 Mar |
Date Detail:
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Created Date: 1997-04-17 Completed Date: 1997-04-17 Revised Date: 2003-11-14 |
Medline Journal Info:
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Nlm Unique ID: 0217513 Medline TA: Biochim Biophys Acta Country: NETHERLANDS |
Other Details:
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Languages: eng Pagination: 214-22 Citation Subset: IM |
Affiliation:
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Faculty of Pharmaceutical Sciences, University of Tokyo, Bunkyo-ku, Japan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Amino Acids
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metabolism* Animals Animals, Newborn Brain / metabolism* Chromatography, High Pressure Liquid Female Male Pineal Gland / metabolism Pituitary Gland / metabolism Rats Rats, Sprague-Dawley Sex Factors Stereoisomerism |
| Chemical | |
Reg. No./Substance:
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0/Amino Acids |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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