Melanie L Zupancic1, Aman Mahajan. 1. Department of Internal Medicine, Division of Medicine/Psychiatry, Springfield, IL 62729. mzupancic@siumed.edu
Abstract
OBJECTIVE: To review the literature regarding the role of leptin in psychiatric disorders. METHODS: A PubMed search was undertaken using the following keywords: leptin, psychosis, affective disorders, alcohol, psychiatry, depression, dementia, and eating disorders. The articles were restricted to the English language. RESULTS: The role of leptin in psychiatric populations has been the subject of increasing investigation. Basic science and clinical observations support a role for leptin in mediating cognition and reward processes. The role of leptin in psychiatric illnesses characterized by cognitive deficits has gained increased attention in recent years. Leptin deficiency and resistance have also been associated with eating disorders as well as affective, alcohol dependence, and psychotic disorders. The mechanisms underlining these associations remain to be determined. CONCLUSIONS: Clinical research suggests an important role of leptin in psychiatric illnesses. Given the morbidity associated with mental illness, clinical research on the role of leptin and related novel therapeutic modalities is needed.
OBJECTIVE: To review the literature regarding the role of leptin in psychiatric disorders. METHODS: A PubMed search was undertaken using the following keywords: leptin, psychosis, affective disorders, alcohol, psychiatry, depression, dementia, and eating disorders. The articles were restricted to the English language. RESULTS: The role of leptin in psychiatric populations has been the subject of increasing investigation. Basic science and clinical observations support a role for leptin in mediating cognition and reward processes. The role of leptin in psychiatric illnesses characterized by cognitive deficits has gained increased attention in recent years. Leptin deficiency and resistance have also been associated with eating disorders as well as affective, alcohol dependence, and psychotic disorders. The mechanisms underlining these associations remain to be determined. CONCLUSIONS: Clinical research suggests an important role of leptin in psychiatric illnesses. Given the morbidity associated with mental illness, clinical research on the role of leptin and related novel therapeutic modalities is needed.
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