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Study · Animal study (in vivo) · rat and rabbit · 1983

6 results

Comparison of the effects of two 'sleep' peptides, delta sleep-inducing peptide and arginine-vasotocin, on single neurons in the rat and rabbit brain stem.

Normanton JR, Gent JP

Neuroscience1 Jan 1983Cited by 12 (Europe PMC)

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 study6

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

  1. 01AnimalAnimal study (in vivo)Activity measurement

    In rat and rabbit brain stem, DSIP applied by microiontophoresis predominantly excited single neurons.

    In plain wordsIn rats and rabbits, DSIP mostly made brain stem nerve cells fire more.

    Outcome
    IncreaseNeuronal excitation
    Study

    rat, rabbitn: not reported in source

    single neurons in the nucleus reticularis gigantocellularis of the brain stem
    Outcome group
    Receptor activity and mechanism · Nervous system and cognition
    Studied dose
    Dose not stated · microiontophoresisAs given in this study (rat, rabbit).

    Source sentences

    Summary
    Both peptides showed predominantly excitatory actions in both species when applied by microiontophoresis.
    1 context sentence
    Summary · context
    The effects of delta sleep-inducing peptide and arginine-vasotocin were assessed on single neurons in the nucleus reticularis gigantocellularis of the brain stem in rats and rabbits.
  2. 02AnimalAnimal study (in vivo)Activity measurement

    In the rat brain stem, a small proportion of cells was inhibited by DSIP.

    In plain wordsIn rats, DSIP slowed a small share of brain stem nerve cells.

    Outcome
    DecreaseNeuronal inhibition
    Study

    ratn: not reported in source

    single neurons in the nucleus reticularis gigantocellularis of the brain stem
    Outcome group
    Receptor activity and mechanism · Nervous system and cognition
    Studied dose
    Dose not stated · microiontophoresisAs given in this study (rat).

    Source sentences

    Summary
    A small proportion of cells was inhibited by delta sleep-inducing peptide in the rat.
    1 context sentence
    Summary · context
    The effects of delta sleep-inducing peptide and arginine-vasotocin were assessed on single neurons in the nucleus reticularis gigantocellularis of the brain stem in rats and rabbits.
  3. 03AnimalAnimal study (in vivo)Activity measurement

    In rat and rabbit brain stem, neuronal responses to DSIP were short-lasting.

    In plain wordsIn rats and rabbits, nerve cell responses to DSIP were short-lasting.

    Outcome
    Not applicableTime course of response
    Study

    rat, rabbitn: not reported in source

    single neurons in the nucleus reticularis gigantocellularis of the brain stem
    Outcome group
    Receptor activity and mechanism · Nervous system and cognition
    Studied dose
    Dose not stated · microiontophoresisAs given in this study (rat, rabbit).

    Source sentences

    Summary
    Responses to delta sleep-inducing peptide were short-lasting
    1 context sentence
    Summary · context
    The effects of delta sleep-inducing peptide and arginine-vasotocin were assessed on single neurons in the nucleus reticularis gigantocellularis of the brain stem in rats and rabbits.
  4. 04AnimalAnimal study (in vivo)Activity measurement

    In rat and rabbit brain stem, neuronal responses to DSIP were dose-dependent.

    In plain wordsIn rats and rabbits, nerve cell responses to DSIP depended on the dose.

    Outcome
    Not applicableDose dependence of response
    Study

    rat, rabbitn: not reported in source

    single neurons in the nucleus reticularis gigantocellularis of the brain stem
    Outcome group
    Receptor activity and mechanism · Nervous system and cognition
    Studied dose
    Dose not stated · microiontophoresisAs given in this study (rat, rabbit).

    Source sentences

    Summary
    Responses to delta sleep-inducing peptide were short-lasting, dose-dependent and showed no significant desensitization to repeated applications.
    1 context sentence
    Summary · context
    The effects of delta sleep-inducing peptide and arginine-vasotocin were assessed on single neurons in the nucleus reticularis gigantocellularis of the brain stem in rats and rabbits.
  5. 05AnimalAnimal study (in vivo)Activity measurement

    In rat and rabbit brain stem, responses to DSIP showed no significant desensitization to repeated applications.

    In plain wordsIn rats and rabbits, nerve cells kept responding to repeated DSIP applications without clear fading.

    Outcome
    No significant changeDesensitization to repeated application
    Study

    rat, rabbitn: not reported in source

    single neurons in the nucleus reticularis gigantocellularis of the brain stem
    Outcome group
    Receptor activity and mechanism · Nervous system and cognition
    Studied dose
    Dose not stated · microiontophoresisAs given in this study (rat, rabbit).

    Source sentences

    Summary
    Responses to delta sleep-inducing peptide were short-lasting, dose-dependent and showed no significant desensitization to repeated applications.
    1 context sentence
    Summary · context
    The effects of delta sleep-inducing peptide and arginine-vasotocin were assessed on single neurons in the nucleus reticularis gigantocellularis of the brain stem in rats and rabbits.
  6. 06AnimalAnimal study (in vivo)Activity measurement

    In rat and rabbit brain stem, no statistically significant correlation was seen between cells responsive to DSIP and cells responsive to arginine-vasotocin.

    In plain wordsIn rats and rabbits, the nerve cells that responded to DSIP were not clearly the same cells that responded to arginine-vasotocin.

    Outcome
    No significant changeOverlap of cells responsive to DSIP and arginine-vasotocin
    Study

    rat, rabbitn: not reported in source

    single neurons in the nucleus reticularis gigantocellularis of the brain stem
    Comparator
    Arginine-vasotocin
    Outcome group
    Receptor activity and mechanism · Nervous system and cognition
    Studied dose
    Dose not stated · microiontophoresisAs given in this study (rat, rabbit).

    Source sentences

    Summary
    No statistically significant correlation was seen between cells responsive to delta sleep-inducing peptide and those responsive to arginine-vasotocin.
    1 context sentence
    Summary · context
    The effects of delta sleep-inducing peptide and arginine-vasotocin were assessed on single neurons in the nucleus reticularis gigantocellularis of the brain stem in rats and rabbits.

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

    9 Oct 2026, 18:17 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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