... line), in the presence of 100 lM neurotoxin (•, dotted line), in thepresence of 200 lM neurotoxin ( , dottedline) and in the presence of neurotoxin and 50 lM dopamine (h, dashed line).Modulation ... (C), in the presence of 100 lM MPP+(D), in the presence of 200 lM MPP+(E), in the presence of 100 lM MPTP and 50 lM dopamine (F), in the presence of 200 lM MPTP and 50 lM dopamine (G), in the ... pooled and the amount of protein was determined by the bicinchoninicacid assay [38] using bovine serum albumin as a standardprotein. The pooled eluate fractions were dialysed againstwater and...