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Eur Neuropsychopharmacol. 1999 Mar;9(3):205-11.

Alterations of corticotropin releasing hormone (CRH) and neuropeptide Y (NPY) plasma levels in mood disorder patients with a recent suicide attempt.

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  • 1Department of Clinical Neuroscience, Lund University, Sweden.

Abstract

In order to receive a further understanding of stress-regulation in depressed suicide attempters, peptides that are supposed to be related to the stress system (the hypothalamic-pituitary-adrenal (HPA) axis and the autonomic nervous system) were studied in plasma. When compared with healthy controls, cortisol was high (p<0.001) and corticotropin releasing hormone (CRH) and neuropeptide Y (NPY) appeared to be low (p<0.001) in patients who had recently attempted suicide. Patients who had repeatedly attempted suicide had the lowest NPY. A correlation between NPY and cortisol (p<0.05) was found in suicidal patients with depression NOS, whereas beta-endorphins correlated with cortisol (p<0.01) in suicidal patients with major depressive disorder. A postdexamethasone decrease of NPY was noted in the controls but not in the patients. These results suggest stress system alterations in suicidal patients with mood disorders.

PMID:
10208289
[PubMed - indexed for MEDLINE]
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