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Ultracytochemical Study of Ca2+-ATPase Activity in Developing Rat Brain Kensuke Kawai 1 , Koichi Wakabayashi 1 , Hitoshi Takahashi 1 , Fusahiro Ikuta 1 1Department of Pathology, Brain Research Institute, Niigata University Keyword: Ca2+-ATPase , developing rat brain , ultracytochemistry pp.1139-1143
Published Date 1991/12/1
DOI https://doi.org/10.11477/mf.1406900283
  • Abstract
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We carried out the ultracytochemical study of Ca2+-ATPase activity for the developing rat brain at embryonic day 11 (E 11), E 14, E 19 and postnatal day 5 (P 5), and for the adult rat cerebrum.

Matrix cells at E 11 and neuroblasts at E 14 showed no cytochemical reaction (CR) for Ca2+- ATPase activity. Glioblasts at E 19 showed very weak CR. Reaction product (RP) was observed on the surfaces of the neuronal and glial cells at P 5 and adult rat cerebrum. Microvessels at E 14 demon-strated no CR, but microvessels at E 19 showed CR, in which RP was, of a fine granular appearance, diffusely observed along the luminal and abluminal surfaces. At P 5, coarsened RP was diffusely obser-ved on the luminal and abluminal surfaces. The CR for calillary Ca2+-ATPase activity in the adult rat cerebrum was found to be mild and the RP formed continuous and discontinuous thin layer on the abluminal surface. The results suggest that Ca2+- ATPase activity is closely related with development of the cells in the central nervous system.


Copyright © 1991, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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