Evidence for a role of delta sleep-inducing peptide in slow-wave sleep and sleep-related growth hormone release in the rat

K. S. Iyer, G. A. Marks, A. J. Kastin, S. M. McCann

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

To examine the role of delta sleep-inducing peptide (DSIP) in sleep-related growth hormone (GH) release, male rats were deprived of sleep for 4 hr by placing them on a slowly rotating wheel. Sleep deprivation by this method caused a significant increase in GH release, as indicated by the increase in plasma GH concentrations (P < 0.01), and also in the amount of slow-wave sleep (SWS) (P < 0.001) above initial values after removal of the animals from the rotating wheel. These increases were blocked by microinjection into the third cerebral ventricle of highly specific antiserum to DSIP. In control rats receiving an equal volume of normal rabbit serum, the significant increase in plasma GH as well as SWS remained after removal of the rats from the wheel. The increased release of endogenous DSIP in the sleep-deprived animals may have caused an increase in SWS as well as plasma GH. Since DSIP increases plasma GH after its injection into the third cerebral ventricle and since passive immunization against DSIP blocks the increase in SWS and GH release that follows the 4 hr of sleep deprivation, the results suggest that DSIP can be a physiological stimulus for sleep-related GH release as well as for the induction of SWS.

Original languageEnglish (US)
Pages (from-to)3653-3656
Number of pages4
JournalProceedings of the National Academy of Sciences of the United States of America
Volume85
Issue number10
StatePublished - 1988

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Delta Sleep-Inducing Peptide
Growth Hormone
Sleep
Cerebral Ventricles
Third Ventricle
Sleep Deprivation
Passive Immunization
Microinjections
Immune Sera

ASJC Scopus subject areas

  • General
  • Genetics

Cite this

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abstract = "To examine the role of delta sleep-inducing peptide (DSIP) in sleep-related growth hormone (GH) release, male rats were deprived of sleep for 4 hr by placing them on a slowly rotating wheel. Sleep deprivation by this method caused a significant increase in GH release, as indicated by the increase in plasma GH concentrations (P < 0.01), and also in the amount of slow-wave sleep (SWS) (P < 0.001) above initial values after removal of the animals from the rotating wheel. These increases were blocked by microinjection into the third cerebral ventricle of highly specific antiserum to DSIP. In control rats receiving an equal volume of normal rabbit serum, the significant increase in plasma GH as well as SWS remained after removal of the rats from the wheel. The increased release of endogenous DSIP in the sleep-deprived animals may have caused an increase in SWS as well as plasma GH. Since DSIP increases plasma GH after its injection into the third cerebral ventricle and since passive immunization against DSIP blocks the increase in SWS and GH release that follows the 4 hr of sleep deprivation, the results suggest that DSIP can be a physiological stimulus for sleep-related GH release as well as for the induction of SWS.",
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AU - Marks, G. A.

AU - Kastin, A. J.

AU - McCann, S. M.

PY - 1988

Y1 - 1988

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