Abstract
It has been suggested, based on rodent studies, that levodopa (L-dopa) induced dyskinesia is associated with a disrupted blood-brain barrier (BBB). We have investigated BBB integrity with in vivo neuroimaging techniques in six 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) lesioned primates exhibiting L-dopa-induced dyskinesia. Magnetic resonance imaging (MRI) performed before and after injection of Gadolinium-diethylenetriamine pentaacetic acid (Gd-DTPA) revealed an intact BBB in the basal ganglia showing that l-dopa-induced dyskinesia is not associated with a disrupted BBB in this model.
Original language | English |
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Journal | Neurobiology of Disease |
Volume | 35 |
Issue number | 3 |
Pages (from-to) | 348-51 |
Number of pages | 4 |
ISSN | 0969-9961 |
DOIs | |
Publication status | Published - Sept 2009 |
Keywords
- 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine
- Animals
- Antiparkinson Agents
- Blood-Brain Barrier
- Brain
- Dyskinesia, Drug-Induced
- Gadolinium DTPA
- Levodopa
- Macaca fascicularis
- Magnetic Resonance Imaging
- Male
- Parkinsonian Disorders
- Time Factors