Molecular basis of dopamine replacement therapy and its side effects in Parkinson’s disease
2018
You, Hana | Mariani, Louise-Laure | Mangone, Graziella | Le Febvre de Nailly, Delphine | Charbonnier-Beaupel, Fanny | Corvol, Jean-Christophe
There is currently no cure for Parkinson’s disease. The symptomatic therapeutic strategy essentially relies on dopamine replacement whose efficacy was demonstrated more than 50 years ago following the introduction of the dopamine precursor, levodopa. The spectacular antiparkinsonian effect of levodopa is, however, balanced by major limitations including the occurrence of motor complications related to its particular pharmacokinetic and pharmacodynamic properties. Other therapeutic strategies have thus been developed to overcome these problems such as the use of dopamine receptor agonists, dopamine metabolism inhibitors and non-dopaminergic drugs. Here we review the pharmacology and molecular mechanisms of dopamine replacement therapy in Parkinson’s disease, both at the presynaptic and postsynaptic levels. The perspectives in terms of novel drug development and prediction of drug response for a more personalised medicine will be discussed.
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