RGD Reference Report - Interleukin-6 alters sleep of rats. - Rat Genome Database

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Interleukin-6 alters sleep of rats.

Authors: Hogan, D  Morrow, JD  Smith, EM  Opp, MR 
Citation: Hogan D, etal., J Neuroimmunol 2003 Apr;137(1-2):59-66.
RGD ID: 1358315
Pubmed: PMID:12667648   (View Abstract at PubMed)

Although it is well established that the cytokines tumor necrosis factor (TNF) and interleukin (IL)-1 regulate sleep, there is no direct evidence implicating IL-6 in the regulation/modulation of sleep. We tested the hypotheses that central administration of rat recombinant IL-6 increases non-rapid eye movements (NREM) sleep of rats, and that central administration of anti-IL-6 antibodies reduces NREM sleep. Effective doses of IL-6 (100 and 500 ng) initially enhance NREM sleep, after which NREM sleep may be suppressed. IL-6 induces febrile responses at doses lower (50 ng) than those required to alter sleep. Rapid eye movements (REM) sleep is not altered by the doses of IL-6 tested. Central administration of monoclonal or polyclonal anti-rat IL-6 antibodies does not alter any of the parameters determined in this study. Collectively, these results support the hypothesis that IL-6 possesses sleep modulatory properties. However, this cytokine may not be involved in the regulation of spontaneous sleep in healthy animals because antagonizing the IL-6 system using antibodies does not alter sleep. The interpretation of these data is consistent with those of previous studies demonstrating correlations between increased IL-6 and excessive daytime sleepiness during some pathophysiological conditions.

Gene Ontology Annotations    Click to see Annotation Detail View

Biological Process
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
regulation of circadian sleep/wake cycle, non-REM sleep  IMP 1358315 RGD 

Objects Annotated

Genes (Rattus norvegicus)
Il6  (interleukin 6)


Additional Information