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Study · Measured the body's own peptide · 1984

5 results

Localization of neurons containing immunoreactive delta sleep-inducing peptide in the rat brain: an immunocytochemical study.

Feldman SC, Kastin AJ

Neuroscience1 Feb 1984Cited by 43 (Europe PMC)

PMID6371579 (opens in a new tab)DOI10.1016/0306-4522(84)90025-3 (opens in a new tab)PepBankPUB-06371579
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 study5

No result from this study comes from a test of the peptide.

Natural levels measured5

These results measure the body's own peptide. Nobody was given the peptide. They are not evidence about taking it. They are left out of key results, evidence counts and charts.

  1. 01AnimalEndogenous levelAnimal study (in vivo)Other

    In rat brain, the body's own DSIP-like immunoreactive material had a rather widespread distribution.

    In plain wordsIn rats, the body's own DSIP-like material was found widely spread in the brain.

    Peptide
    Delta sleep-inducing peptide (DSIP)
    Outcome
    Not applicableOverall distribution of DSIP-like immunoreactivity
    Study

    ratn: not reported in source

    rat brain immunocytochemistry
    Outcome group
    Endogenous peptide levels · Nervous system and cognition

    Source sentences

    Summary
    The peptide was shown to have a rather widespread distribution.
    1 context sentence
    Summary · context
    An antiserum to this peptide was used to localize immunoreactive-like delta sleep-inducing peptide in the rat brain.

    This result measures the body's own Delta sleep-inducing peptide (DSIP). Nobody was given the peptide. It is not evidence about taking it.

  2. 02AnimalEndogenous levelAnimal study (in vivo)Other

    In the rat forebrain, most DSIP-immunoreactive neurons formed a continuous rostral-caudal band in the ventral third of the brain, from the primary olfactory cortex to the lateral hypothalamus.

    In plain wordsIn rats, most neurons with the body's own DSIP-like material lay in a band along the lower forebrain.

    Peptide
    Delta sleep-inducing peptide (DSIP)
    Outcome
    Not applicableDSIP-like immunoreactive neurons in the forebrain band
    Study

    ratn: not reported in source

    rat brain immunocytochemistry
    Outcome group
    Endogenous peptide levels · Nervous system and cognition

    Source sentences

    Summary
    In the forebrain, the majority of these neurons were found to extend in a continuous rostral-caudal band in the ventral one-third of the brain from the primary olfactory cortex to the lateral hypothalamus.
    1 context sentence
    Summary · context
    An antiserum to this peptide was used to localize immunoreactive-like delta sleep-inducing peptide in the rat brain.

    This result measures the body's own Delta sleep-inducing peptide (DSIP). Nobody was given the peptide. It is not evidence about taking it.

  3. 03AnimalEndogenous levelAnimal study (in vivo)Other

    In rats, DSIP-immunoreactive neurons were also present in the basal ganglia, amygdala, septum and thalamus.

    In plain wordsIn rats, neurons with the body's own DSIP-like material were also found in several deeper brain areas.

    Peptide
    Delta sleep-inducing peptide (DSIP)
    Outcome
    Not applicableDSIP-like immunoreactive neurons in basal ganglia, amygdala, septum and thalamus
    Study

    ratn: not reported in source

    rat brain immunocytochemistry
    Outcome group
    Endogenous peptide levels · Nervous system and cognition

    Source sentences

    Summary
    Neurons were also present in the basal ganglia, amygdala, septum, and thalamus.
    1 context sentence
    Summary · context
    An antiserum to this peptide was used to localize immunoreactive-like delta sleep-inducing peptide in the rat brain.

    This result measures the body's own Delta sleep-inducing peptide (DSIP). Nobody was given the peptide. It is not evidence about taking it.

  4. 04AnimalEndogenous levelAnimal study (in vivo)Other

    In the rat brainstem, DSIP-immunoreactive neurons were widespread, including the reticular formation, raphe nuclei, locus ceruleus and cerebellum.

    In plain wordsIn rats, neurons with the body's own DSIP-like material were widespread in the brainstem.

    Peptide
    Delta sleep-inducing peptide (DSIP)
    Outcome
    Not applicableDSIP-like immunoreactive neurons in the brainstem
    Study

    ratn: not reported in source

    rat brain immunocytochemistry
    Outcome group
    Endogenous peptide levels · Nervous system and cognition

    Source sentences

    Summary
    In the brainstem, the neurons were widespread and associated with the reticular formation, raphe nuclei, nuclei of the trigeminal complex, several auditory nuclei--nuclei of the lateral lemniscus, cochlear nuclei, and inferior colliculus--, cerebellum, locus ceruleus, periventricular gray, and vagal…
    1 context sentence
    Summary · context
    An antiserum to this peptide was used to localize immunoreactive-like delta sleep-inducing peptide in the rat brain.

    This result measures the body's own Delta sleep-inducing peptide (DSIP). Nobody was given the peptide. It is not evidence about taking it.

  5. 05AnimalEndogenous levelAnimal study (in vivo)Other

    In rats, DSIP-immunoreactive fibers were difficult to demonstrate and were seen mainly near the third ventricle and blood vessels.

    In plain wordsIn rats, fibers with the body's own DSIP-like material were hard to see and lay mostly near the third ventricle and blood vessels.

    Peptide
    Delta sleep-inducing peptide (DSIP)
    Outcome
    Not applicableDSIP-like immunoreactive fibers
    Study

    ratn: not reported in source

    rat brain immunocytochemistry
    Outcome group
    Endogenous peptide levels · Nervous system and cognition

    Source sentences

    Summary
    Immunoreactive fibers were, in general, difficult to demonstrate; they were seen mainly in the vicinity of the third ventricle and near blood vessels.
    1 context sentence
    Summary · context
    An antiserum to this peptide was used to localize immunoreactive-like delta sleep-inducing peptide in the rat brain.

    This result measures the body's own Delta sleep-inducing peptide (DSIP). Nobody was given the peptide. It is not evidence about taking it.

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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