Synaptosomal [3H]5-HT uptake
A synaptosomal suspension from cerebral cortices was obtained as
previously described by Gray and Whittaker (1962). The [3H]5-HT uptake
into synaptosomes was carried out as previously reported by Rocha et al. (2007). Results were expressed as fentomoles of the [3H]5-HT uptake per milligram of protein per minute.