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- W4224248793 endingPage "486" @default.
- W4224248793 startingPage "486" @default.
- W4224248793 abstract "Dopamine is a neurotransmitter that plays a crucial role in adaptive behavior. A wealth of studies suggests obesity-related alterations in the central dopamine system. The most direct evidence for such differences in humans comes from molecular neuroimaging studies using positron emission tomography (PET) and single-photon emission computed tomography (SPECT). The aim of the current review is to give a comprehensive overview of molecular neuroimaging studies that investigated the relation between BMI or weight status and any dopamine target in the striatal and midbrain regions of the human brain. A structured literature search was performed and a summary of the extracted findings are presented for each of the four available domains: (1) D2/D3 receptors, (2) dopamine release, (3) dopamine synthesis, and (4) dopamine transporters. Recent proposals of a nonlinear relationship between severity of obesity and dopamine imbalances are described while integrating findings within and across domains, after which limitations of the review are discussed. We conclude that despite many observed associations between obesity and substrates of the dopamine system in humans, it is unlikely that obesity can be traced back to a single dopaminergic cause or consequence. For effective personalized prevention and treatment of obesity, it will be crucial to identify possible dopamine (and non-dopamine) profiles and their functional characteristics." @default.
- W4224248793 created "2022-04-26" @default.
- W4224248793 creator A5023403405 @default.
- W4224248793 creator A5032330748 @default.
- W4224248793 date "2022-04-08" @default.
- W4224248793 modified "2023-10-14" @default.
- W4224248793 title "Molecular Imaging of Central Dopamine in Obesity: A Qualitative Review across Substrates and Radiotracers" @default.
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