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  Copeptin in CCK-4-induced panic in healthy man: Sexual dimorphisms in secretion pattern and panic response, but no correlation of copeptin with panic symptoms

Kellner, M., Zwanzger, P., Rupprecht, R., Eser, D., Yassouridis, A., & Wiedemann, K. (2019). Copeptin in CCK-4-induced panic in healthy man: Sexual dimorphisms in secretion pattern and panic response, but no correlation of copeptin with panic symptoms. Psychoneuroendocrinology, 110: UNSP 104433. doi:10.1016/j.psyneuen.2019.104433.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0006-4C23-E Version Permalink: https://hdl.handle.net/21.11116/0000-0006-4C24-D
Genre: Journal Article

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 Creators:
Kellner, Michael, Author
Zwanzger, Peter, Author
Rupprecht, Rainer, Author
Eser, Daniela, Author
Yassouridis, Alexander1, Author
Wiedemann, Klaus, Author
Affiliations:
1Max Planck Institute of Psychiatry, Max Planck Society, Kraepelinstr. 2-10, 80804 Munich, DE, ou_1607137              

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 Abstract: Copeptin, the C-terminal part of the hypothalamic arginine vaspopressin (AVP) precursor, closely mirrors the production of AVP and was proposed as an easily measured novel marker of the individual stress level in man. First data in male volunteers proposed copeptin as a potential endocrine surrogate marker of cholecystokinin-tetrapeptide (CCK-4)-induced panic. We tried to replicate these pilot data and to extend them to the other sex.
46 healthy human subjects (29 men, 17 women) were given an intravenous bolus of 50 mu g CCK-4. Basal and stimulated plasma copeptin was measured and panic symptoms were assessed using the Acute Panic Inventory (API).
Basal copeptin was significantly lower in women vs. men, while men showed a significantly higher CCK-4-induced increase of copeptin. In contrast, female subjects displayed a signifcantly higher increase of API ratings by CCK-4. No significant correlations of panic symptoms and copeptin release induced by CCK-4 could be found, neither in man, nor in women, nor in the total sample.
A sexual dimorphism in copeptin secretion and in panic response was demonstrated. Prior unexpected findings of copeptin release as an objective read-out of panic could not be replicated. The role of the vasopressinergic system in panic anxiety needs further study in panic patients and in healthy man, using also other panic provocation paradigms.

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Language(s): eng - English
 Dates: 2019-09-05
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000500388600010
DOI: 10.1016/j.psyneuen.2019.104433
 Degree: -

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Title: Psychoneuroendocrinology
Source Genre: Journal
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Publ. Info: Oxford : Pergamon
Pages: - Volume / Issue: 110 Sequence Number: UNSP 104433 Start / End Page: - Identifier: ISSN: 0306-4530
CoNE: https://pure.mpg.de/cone/journals/resource/954925514499