Journal
TRENDS IN ENDOCRINOLOGY AND METABOLISM
Volume 32, Issue 9, Pages 693-705Publisher
CELL PRESS
DOI: 10.1016/j.tem.2021.05.008
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Funding
- Centre National la Recherche Scientifique (CNRS)
- Universite de Paris
- Bayerische Forschungsstiftung
- Allen Foundation Inc.
- Nutricia Research Foundation
- Fyssen Foundation
- Modern Diet and Physiology Research Center (MDPRC)
- Fondation pour la Recherche Medicale (FRM)
- Federation pour la Recherche sur le Cerveau (FRC)
- [ANR-16-CE14-0026]
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The abundance of energy-dense and palatable diets in the modern food environment contributes to the obesity pandemic; recent reports suggest that dietary lipids can modulate dopamine transmission, potentially leading to maladaptations of the dopamine system.
The abundance of energy-dense and palatable diets in the modern food environment tightly contributes to the obesity pandemic. The reward circuit participates to the regulation of body homeostasis by integrating energy-related signals with neural substrates encoding cognitive and motivational components of feeding behaviors. Obesity and lipid-rich diets alter dopamine (DA) transmission leading to reward dysfunctions and food overconsumption. Recent reports indicate that dietary lipids can act, directly and indirectly, as functional modulators of the DA circuit. This raises the possibility that nutritional or genetic conditions affecting 'lipid sensing' mechanisms might lead to maladaptations of the DA system. Here, we discuss the most recent findings connecting dietary lipid sensing with DA signaling and its multimodal influence on circuits regulating food-reward processes.
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