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This study assessed the potential for functional and anatomical recovery of the diseased aged primate nigrostriatal system, in response to trophic factor gene transfer. Aged rhesus monkeys received a single intracarotid infusion of MPTP, followed one week later by MRI-guided stereotaxic intrastriatal and intranigral injections of lentiviral vectors encoding for glial derived neurotrophic factor (lenti-GDNF)...
Parkinson's disease is characterized by bradykinesia, rigidity and a resting tremor and the underlying basis for those symptoms is the loss of dopaminergic cells in the nigrostriatal system. Similar to PD, an age-related decrease locomotor activity and the expression of tyrosine hydroxylase immunoreactivity has been observed in rhesus monkeys, but the reason for this decrease in dopaminergic function...
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