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Relevance of the Kappa Dynorphin System to Schizophrenia and Its Therapeutics
1Stony Brook University, 100 Nicolls rd, Stony Brook, 11794 NY, USA.
Abstract:
Multiple lines of evidence suggest a potential role for the kappa dynorphin system in schizophrenia and its therapeutics. Kappa stimulation acutely and chronically modulates dopamine in opposite ways, where acutely it decreases dopamine transmission and chronically it increases it and it can induce D2 sensitization. In addition, pharmacological evidence from studies using agonist and antagonists at KOR have indicated a therapeutic potential of KOR antagonists for psychosis. We present here a brief overview of the evidence supporting this viewpoint.
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