Abstract
Basal release of GUT peptides has been found to be altered in restrained eaters. Stress-induced secretion, however, has not yet been described, but could be a biological basis of overeating that exposes restrained eaters to a higher risk of becoming obese. The aim of the present study was to compare restrained and unrestrained eaters with respect to stress-induced release of the GUT peptides ghrelin and PYY. 46 young women were studied. Blood sampling for peptides was done before and after the Trier Social Stress Test. Ghrelin secretion after stress was significantly elevated in the restrained eaters, whereas no significant differences were detected for PYY. Stress-induced release of GUT peptides can be interpreted as a cause as well as a consequence of restrained eating.
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On behalf of all authors, the corresponding author states that there is no conflict of interest.
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The study was approved by the ethical committee of medicine in Rheinland-Pfalz, Germany (ID: 837.159.096664).
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Informed consent was obtained from all individual participants included in the study.
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Hilterscheid, E., Laessle, R. Stress-induced release of GUT peptides in young women classified as restrained or unrestrained eaters. Eat Weight Disord 20, 435–439 (2015). https://doi.org/10.1007/s40519-015-0185-0
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DOI: https://doi.org/10.1007/s40519-015-0185-0