期刊
MOLECULAR PSYCHIATRY
卷 10, 期 2, 页码 132-146出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/sj.mp.4001638
关键词
energy homeostasis; hypothalamus; leptin; melanocortin; neuropeptide Y; reward; emotion; amines; amino-acid transmitters
资金
- NIDDK NIH HHS [DK 567658, DK56116, 2 R01 DK041096-14A1, DK53301] Funding Source: Medline
- NIMH NIH HHS [MH61583] Funding Source: Medline
Regulated energy homeostasis is fundamental for maintaining life. Unfortunately, this critical process is affected in a high number of mentally ill patients. Eating disorders such as anorexia nervosa are prevalent in modern societies. Impaired appetite and weight loss are common in patients with depression. In addition, the use of neuroleptics frequently produces obesity and diabetes mellitus. However, the neural mechanisms underlying the pathophysiology of these behavioral and metabolic conditions are largely unknown. In this review, we first concentrate on the established brain machinery of food intake and body weight, especially on the melanocortin and neuropeptide Y (NPY) systems as illustration. These systems play a critical role in receiving and processing critical peripheral metabolic cues such as leptin and ghrelin. It is also notable that both systems modulate emotion and motivated behavior as well. Secondly, we discuss the significance and potential promise of multidisciplinary molecular and neuroanatomic techniques that will likely increase the understanding of brain circuitries coordinating energy homeostasis and emotion. Finally, we introduce several lines of evidence suggesting a link between the melanocortin/NPY systems and several neurotransmitter systems on which many of the psychotropic agents exert their influence.
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