title: Stress-induced release of GUT peptides in young women classified as restrained or unrestrained eaters.
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.
authors.affiliation: Department of Clinical and Physiological Psychology, University of Trier, 54286, Trier, Germany.
authors.forename: Esther
authors.initials: E
authors.lastname: Hilterscheid
authors.affiliation: Department of Clinical and Physiological Psychology, University of Trier, 54286, Trier, Germany. laessle@uni-trier.de.
authors.forename: Reinhold
authors.initials: R
authors.lastname: Laessle
mesh_terms: D016022:Case-Control Studies; D005247:Feeding Behavior / Q000502:physiology*; D001068:Feeding and Eating Disorders / Q000503:physiopathology*; D005260:Female; D054439:Ghrelin / Q000097:blood / Q000502:physiology*; D006801:Humans; D019894:Peptide YY / Q000097:blood / Q000502:physiology*; D013315:Stress, Psychological / Q000097:blood / Q000503:physiopathology*; D011795:Surveys and Questionnaires; D055815:Young Adult
chemical_list: D054439:Ghrelin; D019894:Peptide YY
keywords: Ghrelin; PYY; Restrained eating; Stress