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Study · Measured the body's own peptide · 1989

2 results

Hypothalamic hamartoma. Report of two cases.

Nishio S, Fujiwara S, Aiko Y, Takeshita I, Fukui M

Journal of neurosurgery1 Apr 1989Cited by 50 (Europe PMC)

PMID2926505 (opens in a new tab)DOI10.3171/jns.1989.70.4.0640 (opens in a new tab)PepBankPUB-02926505
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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 study2

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

Natural levels measured2

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. 01HumanEndogenous levelCase report or seriesOther

    In a 4-year-old boy with precocious puberty and hypothalamic hamartoma, immunohistochemistry showed oxytocin in the neuronal cells of the lesion.

    In plain wordsIn one boy with a hypothalamic tumour-like lesion, the body's own oxytocin was found in the lesion's nerve cells.

    Peptide
    Oxytocin
    Outcome
    Not applicableOxytocin immunoreactivity in hypothalamic hamartoma tissue
    Study

    n = 1

    Outcome group
    Endogenous peptide levels · Endocrine and hormones

    Source sentences

    Summary
    Immunohistochemical study demonstrated the presence of beta-endorphin, corticotropin-releasing factor, oxytocin, and neurofilament protein (210 kD) in the neuronal cells of the first patient
    2 context sentences
    Summary · context
    Two cases of hypothalamic hamartoma are presented.
    Summary · context
    The first patient was a 4-year-old boy with precocious puberty, and the second was a 6-year-old boy with epileptic seizures.

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

  2. 02HumanEndogenous levelCase report or seriesOther

    In a 6-year-old boy with epileptic seizures and hypothalamic hamartoma, no neuropeptides, including oxytocin, were detected in the lesion by immunohistochemistry.

    In plain wordsIn one boy with a hypothalamic tumour-like lesion, no staining for the body's own oxytocin or other neuropeptides was found in the lesion.

    Peptide
    Oxytocin
    Outcome
    No significant changeOxytocin immunoreactivity in hypothalamic hamartoma tissue of the second patient
    Study

    n = 1

    Outcome group
    Endogenous peptide levels · Endocrine and hormones

    Source sentences

    Summary
    but no neuropeptides were detected in the second
    1 context sentence
    Summary · context
    The first patient was a 4-year-old boy with precocious puberty, and the second was a 6-year-old boy with epileptic seizures.

    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, 02:54 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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