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Japanese

Physiological and pharmacological studies of the function of suprachiasmatic nucleus in relation to its electrical and metabolic activity. Shigenobu SHIBATA 1 , Keiko TOMINAGA 1 1Department of Pharmacology, Faculty of Pharmaceutical Sciences, Kyushu University pp.873-882
Published Date 1990/12/10
DOI https://doi.org/10.11477/mf.1431900082
  • Abstract
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 It is now widely accepted that the suprachiasmatic nucleus (SCN) of the hypothalamus is a circadian pacemaker in the mammalians. This conclusion is based on three principal lines of evidence. First, ablation of the SCN results in a loss of circadian rhythms in rodents Second, the SCN exhibits rhythms in neuronal activity and glucose metabolism both in vivo and in vitro experiments Third, the transplantation of fetal SCN to the third ventricle of animals rendered arrythmic by SCN ablation restores circadian function.

 We discuss in this review the physiological and pharmacological characteristics of SON neurons in vitro, and especially focus upon the role of various neurotransmitters and related drugs in electrical and metabolic activity of the SCN.


Copyright © 1990, 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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