Positron emission tomography (PET) studies have shown decreased glucose metabolism in brain regions of detoxified alcoholics and cocaine abusers. However, it is not clear whether this decrease is due to chronic drug abuse or a pre-existing condition. Molecular genetic studies have found an associati
Dopamine transporters, D2 receptors, and glucose metabolism in corticobasal degeneration
β Scribed by Stefanie Klaffke; Andrea A. Kuhn; Michail Plotkin; Holger Amthauer; Daniel Harnack; Roland Felix; Andreas Kupsch
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 59 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0885-3185
No coin nor oath required. For personal study only.
β¦ Synopsis
Abstract
Alterations in presynaptic and postsynaptic dopaminergic system and cerebral glucose metabolism in corticobasal degeneration (CBD) were assessed to evaluate the potential usefulness of different imaging methods for CBD. ^123^IβFPβCIT/^123^IβΞ²βCIT SPECT and ^123^IβIBZM SPECT as well as ^18^FβFDG PET were performed in eight CBD patients. Decreased presynaptic dopamine transporter binding was found in all CBD patients while D2 receptor binding was reduced in only one patient. ^18^FβFDG PET displayed a contralateral hypometabolism in cortical and subcortical areas in seven out of eight patients. Our results demonstrate that glucose metabolism and DAT are reduced, while D2 receptors may be frequently preserved in CBD. Β© 2006 Movement Disorder Society
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