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Biol Psychiatry. 1999 Jul 15;46(2):292-9.

Leptin, neuropeptide Y, and peptide YY in long-term recovered eating disorder patients.

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  • 1Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, PA 15213-2593, USA.

Abstract

BACKGROUND:

Disturbances of leptin, neuropeptide Y (NPY), and peptide YY (PYY) have been found in women who are ill with anorexia or bulimia nervosa. It is not certain whether peptide disturbances are cause or consequence of eating disorders.

METHODS:

Plasma leptin and cerebrospinal fluid leptin, NPY, and PYY concentrations were measured in women who were recovered from anorexia or bulimia nervosa to determine whether alterations persisted after recovery.

RESULTS:

NPY, PYY, and leptin concentrations were similar across all diagnostic groups.

CONCLUSIONS:

Alterations in NPY, PYY, and serum leptin concentrations are probably secondary to pathological eating behaviors. Alterations of these peptides are unlikely to be trait-related disturbances that contribute to the etiology of eating disorders.

PMID:
10418705
[PubMed - indexed for MEDLINE]
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