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Synaptic plasticity in neuronal circuits regulating energy balance.
Nat. Neurosci. 15, 1336-1342 (2012)
Maintaining energy balance is of paramount importance for metabolic health and survival. It is achieved through the coordinated regulation of neuronal circuits that control a wide range of physiological processes affecting energy intake and expenditure, such as feeding, metabolic rate, locomotor activity, arousal, growth and reproduction. Neuronal populations distributed throughout the CNS but highly enriched in the mediobasal hypothalamus, sense hormonal, nutrient and neuronal signals of systemic energy status and relay this information to secondary neurons that integrate the information and regulate distinct physiological parameters in a manner that promotes energy homeostasis. To achieve this, it is critical that neuronal circuits provide information about short-term changes in nutrient availability in the larger context of long-term energy status. For example, the same signals lead to different cellular and physiological responses if delivered under fasted versus fed conditions. Thus, there is a clear need to have mechanisms that rapidly and reversibly adjust responsiveness of hypothalamic circuits to acute changes in nutrient availability.
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Publication type
Article: Journal article
Document type
Review
Keywords
HYPOTHALAMIC ARCUATE NUCLEUS; AGOUTI-RELATED PROTEIN; VENTRAL TEGMENTAL AREA; DIET-INDUCED OBESITY; PROOPIOMELANOCORTIN NEURONS; FEEDING CIRCUITS; NEUROPEPTIDE-Y; POMC NEURONS; INPUT ORGANIZATION; NPY/AGRP NEURONS
Language
english
Publication Year
2012
HGF-reported in Year
2012
ISSN (print) / ISBN
1097-6256
e-ISSN
1546-1726
Journal
Nature Neuroscience
Quellenangaben
Volume: 15,
Issue: 10,
Pages: 1336-1342
Publisher
Nature Publishing Group
Reviewing status
Peer reviewed
Institute(s)
Institute of Diabetes and Obesity (IDO)
POF-Topic(s)
30201 - Metabolic Health
Research field(s)
Helmholtz Diabetes Center
PSP Element(s)
G-502200-001
PubMed ID
23007188
DOI
10.1038/nn.3219
WOS ID
WOS:000309335300008
Erfassungsdatum
2012-11-01