Abstract
Alterations of both central and peripheral feeding regulatory substances occur in the acute phases of anorexia nervosa (AN) and bulimia nervosa (BN) and, generally, reverse after recovery. Some of these alterations are believed not only to sustain the altered eating behavior but also to contribute to certain psychopathological aspects and/or etiopathogenetic processes of eating disorders (EDs). It has been suggested that EDs are clinical conditions linked to reward-related mechanisms leading to a kind of addiction to self-starvation and/or overeating. Most of the feeding regulatory substances, which are dysregulated in EDs, are also implicated in the modulation of reward, emotional, and cognitive functions, thus representing possible links between altered nutritional regulation, motivated behaviors and reward processes. In this chapter, the ED literature dealing with ghrelin, brain-derived neurotrophic factor, opioid peptides, and endocannabinoids, which have prominent effects on eating behavior, body weight, reward, emotional, and cognitive functions, is reviewed in view of the above suggested links. Moreover, the potential therapeutics of new medications developed on the basis of neuroendocrine aberrations found in EDs is also presented.
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Abbreviations
- β-EP:
-
Beta-endorphin
- 2-AG:
-
2-Arachidonoylglycerol
- AEA:
-
Anandamide
- AN:
-
Anorexia nervosa
- ANBP:
-
Anorexia nervosa binge-purging
- ANR:
-
Anorexia nervosa restricting
- BDNF:
-
Brain-derived neurotrophic factor
- BN:
-
Bulimia nervosa
- BW:
-
Body weight
- CCK:
-
Cholecystokinin
- CSF:
-
Cerebrospinal fluid
- ED:
-
Eating disorder
- OLA:
-
Opiate like activity
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Monteleone, P. (2010). New Frontiers in Endocrinology of Eating Disorders. In: Adan, R., Kaye, W. (eds) Behavioral Neurobiology of Eating Disorders. Current Topics in Behavioral Neurosciences, vol 6. Springer, Berlin, Heidelberg. https://doi.org/10.1007/7854_2010_87
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