D-Aspartic acid localization during postnatal development of rat adrenal gland

Kumiko Sakai, Hiroshi Homma, Jen Ai Lee, Takeshi Fukushima, Tomofumi Santa, Ken Tashiro, Takeshi Iwatsubo, Kazuhiro Imai

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Abstract

Developmental changes in cellular localization of D-aspartic acid (D-Asp) were investigated in rat adrenal gland with polyclonal anti-D-Asp antibody. At 1 and 3 weeks of age, immunoreactivity (IR) toward this amino acid was intense in the cytoplasm of cells in the zona fasciculata (ZF) and zona reticularis (ZR) of the adrenal cortex but was less so in the zona glomerulosa (ZG). Conversely at 8 weeks of age, intense IR was observed in the ZG and less in the ZF and ZR. In the adrenal medulla, IR was evident in large clusters of cells which were identified as adrenaline-storing cells. The emergence of D-Asp in specific types of cells at distinct periods of development of rat adrenal gland suggests that this amino acid may have a physiological role in the maturation of the organ.

Original languageEnglish
Pages (from-to)433-436
Number of pages4
JournalBiochemical and Biophysical Research Communications
Volume235
Issue number2
DOIs
Publication statusPublished - Jun 18 1997
Externally publishedYes

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ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

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