Increased striatal dopamine production from L-DOPA following selective inhibition of monoamine oxidase B by R(+)-N-propargyl-1-aminoindan (rasagiline) in the monkey

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Abstract
Striatal extracellular fluid concentrations of dopamine and metabolites in response to direct striatal administration of two L-DOPA boluses administered sequentially were determined in three rhesus monkeys during halothane anesthesia. Whereas in an initial microdialysis run, generation of dopamine was less following the second L-DOPA bolus than the first, in a subsequent run, in which the selective MAO-B inhibitor R(+)-Npropargyl-1-aminoindan (rasagiline) was administered systemically (0.2 mg/ kg s.c.) between the two L-DOPA boluses, generation of dopamine was greater following the second bolus.