A role of nociceptin in the entrainment mechanism of the biological clock

Koji Teshima, Shigenobu Shibata

研究成果: Review article査読

抄録

The ORL1 receptor (nociceptin receptor), the fourth member of the opioid receptor family, is widely distributed throughout the central nervous system and mediates diverse physiological functions including pain, emotion, learning and memory. Nociceptin receptors are densely expressed in the suprachiasmatic nucleus, the principal pacemaker of circadian rhythms, and nociceptin inhibits light-induced phase advances (Allen et al, 1999); however, nociceptin's role in nonphotic entrainment has not been described. We used a small-molecule nociceptin receptor agonist capable of crossing the brain blood-brain barrier, and demonstrated that nociceptin acts as a nonphotic zeitgeiber. In this review, we describe a role for nociceptin in the biological clock and discuss the possibility of developing nociceptin receptor agonists for treatment of circadian rhythm disorders.

本文言語English
ページ(範囲)203-211
ページ数9
ジャーナルJapanese Journal of Neuropsychopharmacology
25
5
出版ステータスPublished - 2005 10 1

ASJC Scopus subject areas

  • 臨床心理学
  • 薬理学
  • 精神医学および精神衛生
  • 薬理学(医学)

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