Journal
TRENDS IN ENDOCRINOLOGY AND METABOLISM
Volume 24, Issue 2, Pages 61-67Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tem.2012.11.001
Keywords
hypothalamus; proopiomelanocortin; prolyl carboxypeptidase; enzymatic inhibitors; food intake
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Funding
- National Institutes of Health [DK 084065]
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Proopiomelanocortin (POMC)-expressing neurons in the hypothalamus integrate a variety of central and peripheral metabolic inputs, and regulate energy homeostasis by controlling energy expenditure and food intake. To accomplish this, a precise balance of production and degradation of alpha-melanocyte-stimulating hormone (alpha-MSH), an anorexigenic neuropeptide and product of the POMC gene, in the hypothalamus, is crucial. Prolyl carboxypeptidase (PRCP) is a key enzyme that degrades alpha-MSH to an inactive form unable to inhibit food intake. Because it represents a new therapeutic target for the treatment of metabolic disorders, such as obesity and diabetes, efforts have been made to generate potent, brain-penetrant PRCP inhibitors. Here, we discuss the role of PRCP on energy metabolism and the development of PRCP inhibitors.
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