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The dopaminergic hypothesis of schizophrenia postulates a dopamine D2 receptor (DRD2)-mediated hyperdopaminergic neurotransmission in schizophrenia. However, dopamine is also known to have other, non-receptor-mediated effects, including oxidative mechanisms leading to apoptosis. While oxidative processes have been reported to contribute to dopamine neuron loss in Parkinson's disease, their role in...