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Study · Animal study (in vivo) · cat · 1985

7 results

Effects of delta sleep inducing peptide on sleep cycle of cats deprived of paradoxical sleep.

Susić V, Masirević G

Archives internationales de physiologie et de biochimie1 Nov 1985Cited by 3 (Europe PMC)

PMID2421663 (opens in a new tab)DOI10.3109/13813458509079606 (opens in a new tab)PepBankPUB-02421663
Publisher pagePubMedAsk about this study
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Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: Publisher copyright. Results still quote short attributed sentences.

Results from this study7

7 results from studies that gave the peptide. No result from this study comes from people.

  1. 01AnimalAnimal study (in vivo)Efficacy outcome

    In cats deprived of paradoxical sleep, DSIP did not affect the duration of slow-wave sleep.

    In plain wordsIn cats deprived of dream-like sleep, DSIP did not change the duration of slow-wave sleep.

    Peptide
    Delta sleep-inducing peptide (DSIP)
    Outcome
    No significant changeSlow-wave sleep duration during recovery
    Study

    catn: not reported in source

    Comparator
    Ringer solution
    Outcome group
    Sleep · Sleep
    Studied dose
    7 nmol/kg · intracerebroventricularAs given in this study (cat).

    Source sentences

    Summary
    DSIP failed to affect the duration of slow-wave sleep, PS and total sleep time.
    1 context sentence
    Summary · context
    DSIP (7 nmol/kg was administered intracerebroventricularly to cats deprived of paradoxical sleep (PS) for 72 h and immediately after termination of PS deprivation an injection of either Ringer or DSIP solution was given.
  2. 02AnimalAnimal study (in vivo)Efficacy outcome

    In cats deprived of paradoxical sleep, DSIP did not affect the duration of paradoxical sleep.

    In plain wordsIn cats deprived of dream-like sleep, DSIP did not change the duration of that sleep.

    Peptide
    Delta sleep-inducing peptide (DSIP)
    Outcome
    No significant changeParadoxical sleep duration during recovery
    Study

    catn: not reported in source

    Comparator
    Ringer solution
    Outcome group
    Sleep · Sleep
    Studied dose
    7 nmol/kg · intracerebroventricularAs given in this study (cat).

    Source sentences

    Summary
    DSIP failed to affect the duration of slow-wave sleep, PS and total sleep time.
    1 context sentence
    Summary · context
    DSIP (7 nmol/kg was administered intracerebroventricularly to cats deprived of paradoxical sleep (PS) for 72 h and immediately after termination of PS deprivation an injection of either Ringer or DSIP solution was given.
  3. 03AnimalAnimal study (in vivo)Efficacy outcome

    In cats deprived of paradoxical sleep, DSIP did not affect total sleep time.

    In plain wordsIn cats deprived of dream-like sleep, DSIP did not change total sleep time.

    Peptide
    Delta sleep-inducing peptide (DSIP)
    Outcome
    No significant changeTotal sleep time during recovery
    Study

    catn: not reported in source

    Comparator
    Ringer solution
    Outcome group
    Sleep · Sleep
    Studied dose
    7 nmol/kg · intracerebroventricularAs given in this study (cat).

    Source sentences

    Summary
    DSIP failed to affect the duration of slow-wave sleep, PS and total sleep time.
    1 context sentence
    Summary · context
    DSIP (7 nmol/kg was administered intracerebroventricularly to cats deprived of paradoxical sleep (PS) for 72 h and immediately after termination of PS deprivation an injection of either Ringer or DSIP solution was given.
  4. 04AnimalAnimal study (in vivo)Efficacy outcome

    In cats deprived of paradoxical sleep, DSIP significantly decreased wakefulness.

    In plain wordsIn cats deprived of dream-like sleep, DSIP reduced time awake compared with Ringer solution.

    Peptide
    Delta sleep-inducing peptide (DSIP)
    Outcome
    DecreaseWakefulness during recovery
    Study

    catn: not reported in source

    Comparator
    Ringer solution
    Outcome group
    Sleep · Sleep
    Studied dose
    7 nmol/kg · intracerebroventricularAs given in this study (cat).

    Source sentences

    Summary
    There was, however, significant decrease of wakefulness and light slow-wave sleep (S1) while deep slow-wave sleep (S2) was significantly increased.
    1 context sentence
    Summary · context
    DSIP (7 nmol/kg was administered intracerebroventricularly to cats deprived of paradoxical sleep (PS) for 72 h and immediately after termination of PS deprivation an injection of either Ringer or DSIP solution was given.
  5. 05AnimalAnimal study (in vivo)Efficacy outcome

    In cats deprived of paradoxical sleep, DSIP significantly decreased light slow-wave sleep (S1).

    In plain wordsIn cats deprived of dream-like sleep, DSIP reduced light slow-wave sleep compared with Ringer solution.

    Peptide
    Delta sleep-inducing peptide (DSIP)
    Outcome
    DecreaseLight slow-wave sleep (S1) during recovery
    Study

    catn: not reported in source

    Comparator
    Ringer solution
    Outcome group
    Sleep · Sleep
    Studied dose
    7 nmol/kg · intracerebroventricularAs given in this study (cat).

    Source sentences

    Summary
    There was, however, significant decrease of wakefulness and light slow-wave sleep (S1) while deep slow-wave sleep (S2) was significantly increased.
    1 context sentence
    Summary · context
    DSIP (7 nmol/kg was administered intracerebroventricularly to cats deprived of paradoxical sleep (PS) for 72 h and immediately after termination of PS deprivation an injection of either Ringer or DSIP solution was given.
  6. 06AnimalAnimal study (in vivo)Efficacy outcome

    In cats deprived of paradoxical sleep, DSIP significantly increased deep slow-wave sleep (S2).

    In plain wordsIn cats deprived of dream-like sleep, DSIP increased deep slow-wave sleep compared with Ringer solution.

    Peptide
    Delta sleep-inducing peptide (DSIP)
    Outcome
    IncreaseDeep slow-wave sleep (S2) during recovery
    Study

    catn: not reported in source

    Comparator
    Ringer solution
    Outcome group
    Sleep · Sleep
    Studied dose
    7 nmol/kg · intracerebroventricularAs given in this study (cat).

    Source sentences

    Summary
    There was, however, significant decrease of wakefulness and light slow-wave sleep (S1) while deep slow-wave sleep (S2) was significantly increased.
    1 context sentence
    Summary · context
    DSIP (7 nmol/kg was administered intracerebroventricularly to cats deprived of paradoxical sleep (PS) for 72 h and immediately after termination of PS deprivation an injection of either Ringer or DSIP solution was given.
  7. 07AnimalAnimal study (in vivo)Efficacy outcome

    In cats deprived of paradoxical sleep, DSIP did not change the latency to the first episode of S2 sleep or paradoxical sleep.

    In plain wordsIn cats deprived of dream-like sleep, DSIP did not change how fast deep or dream-like sleep began.

    Peptide
    Delta sleep-inducing peptide (DSIP)
    Outcome
    No significant changeLatency to first S2 and paradoxical sleep episode
    Study

    catn: not reported in source

    Comparator
    Ringer solution
    Outcome group
    Sleep · Sleep
    Studied dose
    7 nmol/kg · intracerebroventricularAs given in this study (cat).

    Source sentences

    Summary
    There was also no change in the latency to the first episode of S2 sleep and PS.
    1 context sentence
    Summary · context
    DSIP (7 nmol/kg was administered intracerebroventricularly to cats deprived of paradoxical sleep (PS) for 72 h and immediately after termination of PS deprivation an injection of either Ringer or DSIP solution was given.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    10 Oct 2026, 09:43 UTC

    Study results updated

  2. Version 1

    9 Oct 2026, 03:04 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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