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Study · Measured the body's own peptide · 2020

1 result

The neurobiological reward system in Prolonged Grief Disorder (PGD): A systematic review.

Kakarala SE, Roberts KE, Rogers M, Coats T, Falzarano F, Gang J, Chilov M, Avery J, Maciejewski PK, Lichtenthal WG, Prigerson HG

Psychiatry research. Neuroimaging3 Jul 2020Cited by 46 (Europe PMC)

PMID32629197 (opens in a new tab)PMCIDPMC7442719 (opens in a new tab)DOI10.1016/j.pscychresns.2020.111135 (opens in a new tab)PepBankPUB-32629197
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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 study1

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

Natural levels measured1

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 levelSystematic reviewOther

    A systematic review found that the body's own oxytocin signaling appears altered in prolonged grief disorder, with an unclear mechanism.

    In plain wordsA review suggests the body's own oxytocin signaling is altered in prolonged grief disorder, but the mechanism is unclear.

    Peptide
    Oxytocin
    Outcome
    MixedOxytocin signaling in prolonged grief disorder
    Study

    n: not reported in source

    Outcome group
    Endogenous peptide levels · Mental health and mood

    Source sentences

    Summary
    It also appears that oxytocin signaling is altered in PGD, though the exact mechanism is unclear.
    1 context sentence
    Summary · context
    After abstract and full-text screening, twenty-four studies were included in the final review.

    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, 00:50 UTC

    Study results updated

  2. Version 1

    9 Oct 2026, 02:49 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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