Inhibition of brain interleukin-1 attenuates sleep rebound after sleep deprivation in rabbits

Satoshi Takahashi, Jidong Fang, Levente Kapás, Ying Wang, James M. Krueger

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

It is hypothesized that interleukin-1 (IL-1) is involved in physiological sleep. If this hypothesis is correct, inhibition of IL-1 should attenuate sleep responses after sleep deprivation. We tested the effect of intracerebroventricular or intravenous injection of an IL-1 inhibitor, an IL- 1 receptor fragment (IL-1RF), on sleep rebound after sleep deprivation in rabbits. Six hours of total sleep deprivation significantly increased non- rapid eye movement sleep (NREMS) and enhanced electroencephalogram slow-wave activity during NREMS. Intracerebroventricular treatment with the IL-1RF (50 μg) significantly attenuated the sleep responses after sleep deprivation. Furthermore, 1.0 mg/kg iv injection of the IL-1RF significantly suppressed spontaneous NREMS in rabbits that were not sleep deprived. However, intravenous administration of the IL-1RF (1.0 mg/kg) failed to attenuate the sleep responses following the 6-h sleep deprivation period. These results support the hypothesis that central pools of IL-1 are important for physiological sleep regulation.

Original languageEnglish (US)
JournalAmerican Journal of Physiology - Regulatory Integrative and Comparative Physiology
Volume273
Issue number2 42-2
StatePublished - Oct 18 1997

Fingerprint

Sleep Deprivation
Interleukin-1
Sleep
Rabbits
Brain
Interleukin-1 Receptors
REM Sleep
Inhibition (Psychology)
Intravenous Injections
Intravenous Administration
Electroencephalography
Injections

All Science Journal Classification (ASJC) codes

  • Physiology
  • Physiology (medical)

Cite this

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Inhibition of brain interleukin-1 attenuates sleep rebound after sleep deprivation in rabbits. / Takahashi, Satoshi; Fang, Jidong; Kapás, Levente; Wang, Ying; Krueger, James M.

In: American Journal of Physiology - Regulatory Integrative and Comparative Physiology, Vol. 273, No. 2 42-2, 18.10.1997.

Research output: Contribution to journalArticle

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