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  • Title: Alterations of dopamine and serotonin transmission in schizophrenia.
    Author: Remington G.
    Journal: Prog Brain Res; 2008; 172():117-40. PubMed ID: 18772030.
    Abstract:
    The present chapter outlines current thinking regarding serotonin and dopamine in schizophrenia. Each has individually been linked to theories regarding the illness' pathophysiology although the focus here is on their interactive role, a model that has driven drug development in the field for the last 10-15 years. With clozapine as a prototype, a new class of 'atypical' antipsychotics entered the clinical market, hinged predominantly on the notion that these agents were superior to conventional antipsychotics through their ratio of serotonin 5-HT(2)/dopamine D(2) binding. This model has since been challenged both clinically and theoretically, but interest in serotonin-dopamine interactions remains high in the face of a broader conceptualization of schizophrenia's symptom domains, in combination with a shift in the perceived role of dopamine vis-à-vis these different clinical features. At present, there is particular interest in the 5-HT(1A), 5-HT(2C), 5-HT(6) and 5-HT(7) receptors as the search for improved pharmacological treatments for schizophrenia continues.
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