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Gene expression in neurons and the role of steroid hormone. Mitsuhiro KAWATA 1 , Yutaka SANO 1 1Department of Anatomy, Kyoto Prefectural University of Medicine pp.150-158
Published Date 1989/2/10
DOI https://doi.org/10.11477/mf.1431906271
  • Abstract
  • Look Inside

Mammalian brain expresses many nucleic acids and when these gene transcripts are all translated into proteins or peptides, more than 190,000 different compounds can be synthesized in the brain. Steroid has been known to have a direct effect on the gene in the neurons. Estrogen, progesterone, glucocorticoid, mineralocorticoid, and androgen receptors have been cloned and their amino acid and nucleic acid sequence has been elucidated. This makes us to produce the antibody for these receptors. In situ hybridization technique is very powerful method to visualize the localization of messenger RNAs. Furthermore, this technique in conjunction with the autoradiography enables us to measure the increase or decrease of silver grains within the cells after physiological or pharmacological manipula-tion, reflecting the specific changes of mRNAs to these stimuli. This chapter reviews the localization of steroid receptive cells which have been demonstrated by immunohistochemistry or autoradiography with the uptake of radioisotope labelled steroids and quantitative analysis on the changes of mRNA by in situ hybridization.


Copyright © 1989, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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