Abstract

AbstractThe striatum is a brain area with a high density of dopaminergic terminals and so it is considerably affected when dopaminergic neurotoxicity occurs. Several methods have been developed to evidence such neurotoxicity, some of which can be performed in vitro, using membranes or synaptosomes obtained from fresh tissues. Concretely, here we detail our methodological experience assessing reactive oxygen species in striatal synaptosomes, as well as measuring brain terminal damage after a neurotoxic treatment leading to decreased [3H]WIN 35428 binding and tyrosine hydroxylase expression measured by Western blot. Also, we have assessed impairment of dopamine transporter after dopaminergic neurotoxicity measuring uptake of [3H]dopamine in striatal synaptosomes. These techniques are complementary and can be useful to assess the dopaminergic neurotoxic potential of drugs such as amphetamine derivatives, among others.Key wordsDopamine uptakeDopaminergic neurotoxicityReactive oxygen speciesStriatumSynaptosomesTyrosine hydroxylase[3H]WIN 35428 binding

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