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Study · Measured the body's own peptide · 1981

7 results

Oxytocin- and vasopressin-immunoreactive nerve fibers in the pineal gland of the hedgehog, Erinaceus europaeus L.

Nürnberger F, Korf HW

Cell and tissue research1 Jan 1981Cited by 38 (Europe PMC)

PMID7273134 (opens in a new tab)DOI10.1007/bf00209968 (opens in a new tab)PepBankPUB-07273134
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

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

Natural levels measured7

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. 01LabEndogenous levelEx vivo tissueActivity measurement

    In hedgehog pineal glands, oxytocin-immunoreactive nerve fibers were demonstrated.

    In plain wordsIn lab tests of hedgehog pineal tissue, nerve fibers showed a staining signal for the body's own oxytocin.

    Peptide
    Oxytocin
    Outcome
    Not applicableOxytocin-immunoreactive pineal nerve fibers
    Study

    hedgehogn: not reported in source

    Pineal gland nerve fibers
    Outcome group
    Receptor activity and mechanism · Nervous system and cognition

    Source sentences

    Summary
    Oxytocin- and vasopressin-immunoreactive nerve fibers, apparently originating from a dorsal subunit of the paraventricular nucleus, were demonstrated in the pineal gland of the hedgehog.

    This result measures the body's own Oxytocin. Nobody was given the peptide. It is not evidence about taking it.

  2. 02LabEndogenous levelEx vivo tissueActivity measurement

    In hedgehog pineal tissue, pinealopetal nerve fibers were richer in endogenous oxytocin during hibernation than in non-hibernating winter animals.

    In plain wordsIn lab tests of hedgehog pineal tissue, nerve fibers had more of the body's own oxytocin during hibernation than in non-hibernating winter animals.

    Peptide
    Oxytocin
    Outcome
    IncreaseOxytocin immunoreactivity during hibernation
    Study

    hedgehogn: not reported in source

    Pineal gland nerve fibers
    Comparator
    non-hibernating winter hedgehogs
    Outcome group
    Receptor activity and mechanism · Nervous system and cognition

    Source sentences

    Summary
    In hibernating hedgehogs (group 1), these nerve fibers were considerably richer in oxytocin than in non-hibernating or arousing winter animals (group 2 and 3).
    1 context sentence
    Summary · context
    Oxytocin- and vasopressin-immunoreactive nerve fibers, apparently originating from a dorsal subunit of the paraventricular nucleus, were demonstrated in the pineal gland of the hedgehog.

    This result measures the body's own Oxytocin. Nobody was given the peptide. It is not evidence about taking it.

  3. 03LabEndogenous levelEx vivo tissueActivity measurement

    In hedgehogs sacrificed during summer, no oxytocin immunoreactivity was found in the pineal organ.

    In plain wordsIn lab tests of hedgehog pineal tissue from animals sacrificed during summer, no signal for the body's own oxytocin was found.

    Peptide
    Oxytocin
    Outcome
    Not applicableOxytocin immunoreactivity during summer
    Study

    hedgehogn: not reported in source

    Pineal gland nerve fibers
    Outcome group
    Receptor activity and mechanism · Nervous system and cognition

    Source sentences

    Summary
    In the pineal organ of animals sacrificed during the summer period (group 4), no immunoreactivity for both neuropeptides was found.
    1 context sentence
    Summary · context
    Oxytocin- and vasopressin-immunoreactive nerve fibers, apparently originating from a dorsal subunit of the paraventricular nucleus, were demonstrated in the pineal gland of the hedgehog.

    This result measures the body's own Oxytocin. Nobody was given the peptide. It is not evidence about taking it.

  4. 04LabEndogenous levelEx vivo tissueActivity measurement

    In hedgehog pineal tissue, nerve fibers immunoreactive for oxytocin or vasopressin were mainly associated with capillaries, with few scattered through the parenchyma.

    In plain wordsIn lab tests of hedgehog tissue, fibers immunoreactive for the body's own oxytocin or vasopressin were mostly near capillaries.

    Peptide
    Oxytocin
    Outcome
    Not applicablePineal oxytocin-immunoreactive nerve-fiber distribution
    Study

    hedgehogn: not reported in source

    Pineal gland nerve fibers
    Outcome group
    Receptor activity and mechanism · Nervous system and cognition

    Source sentences

    Summary
    Oxytocin- and vasopressin-immunoreactive nerve fibers, apparently originating from a dorsal subunit of the paraventricular nucleus, were demonstrated in the pineal gland of the hedgehog. The majority of these fibers (pinealopetal projections) is intimately related to the capillaries of the pineal or…

    This result measures the body's own Oxytocin. Nobody was given the peptide. It is not evidence about taking it.

  5. 05LabEndogenous levelEx vivo tissueActivity measurement

    In hedgehog pineal tissue, more peptidergic elements immunoreactive for oxytocin or vasopressin were observed centrally than at the periphery.

    In plain wordsIn lab tests of hedgehog tissue, more elements immunoreactive for the body's own oxytocin or vasopressin were seen centrally than at the periphery.

    Peptide
    Oxytocin
    Outcome
    IncreaseCentral versus peripheral pineal peptidergic elements
    Study

    hedgehogn: not reported in source

    Pineal gland nerve fibers
    Comparator
    peripheral pineal organ
    Outcome group
    Receptor activity and mechanism · Nervous system and cognition

    Source sentences

    Summary
    The number of peptidergic elements observed in the central portion of the pineal organ exceeds that of fibers located at the periphery.
    1 context sentence
    Summary · context
    Oxytocin- and vasopressin-immunoreactive nerve fibers, apparently originating from a dorsal subunit of the paraventricular nucleus, were demonstrated in the pineal gland of the hedgehog.

    This result measures the body's own Oxytocin. Nobody was given the peptide. It is not evidence about taking it.

  6. 06LabEndogenous levelEx vivo tissueActivity measurement

    In hedgehog pineal tissue, nerve fibers immunoreactive for oxytocin or vasopressin apparently originated from a dorsal subunit of the paraventricular nucleus.

    In plain wordsIn lab tests of hedgehog pineal tissue, fibers immunoreactive for the body's own oxytocin or vasopressin appeared to originate in part of the paraventricular nucleus.

    Peptide
    Oxytocin
    Outcome
    Not applicableApparent origin of pineal oxytocin- and vasopressin-immunoreactive fibers
    Study

    hedgehogn: not reported in source

    Pineal gland nerve fibers
    Outcome group
    Receptor activity and mechanism · Nervous system and cognition

    Source sentences

    Summary
    Oxytocin- and vasopressin-immunoreactive nerve fibers, apparently originating from a dorsal subunit of the paraventricular nucleus, were demonstrated in the pineal gland of the hedgehog.

    This result measures the body's own Oxytocin. Nobody was given the peptide. It is not evidence about taking it.

  7. 07LabEndogenous levelEx vivo tissueActivity measurement

    In hedgehog pineal tissue, pinealopetal nerve fibers were richer in endogenous oxytocin during hibernation than in arousing winter animals.

    In plain wordsIn lab tests of hedgehog pineal tissue, nerve fibers had more of the body's own oxytocin during hibernation than in arousing winter animals.

    Peptide
    Oxytocin
    Outcome
    IncreaseOxytocin immunoreactivity in hibernating versus arousing hedgehogs
    Study

    hedgehogn: not reported in source

    Pineal gland nerve fibers
    Comparator
    arousing winter hedgehogs
    Outcome group
    Receptor activity and mechanism · Nervous system and cognition

    Source sentences

    Summary
    In hibernating hedgehogs (group 1), these nerve fibers were considerably richer in oxytocin than in non-hibernating or arousing winter animals (group 2 and 3).
    1 context sentence
    Summary · context
    Oxytocin- and vasopressin-immunoreactive nerve fibers, apparently originating from a dorsal subunit of the paraventricular nucleus, were demonstrated in the pineal gland of the hedgehog.

    This result measures the body's own Oxytocin. 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

    11 Oct 2026, 20:03 UTC

    Study results updated

  2. Version 1

    9 Oct 2026, 02:53 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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