PROPHYLACTIC/THERAPEUTIC AGENT FOR PSYCHOTIC DISORDER SUCH AS BIPOLAR MOOD DISORDER AND SCHIZOPHRENIA, SCREENING METHOD FOR THE SAME, AND METHOD FOR DETERMINATION OF RISK FOR THE DEVELOPMENT OF THE DISEASE

摘要

Disclosed is a prophylactic/therapeutic agent for a psychotic disorder comprising a substance capable of enhancing the expression or function of CaMKIIa as an active ingredient. The use of the prophylactic/therapeutic agent enables to prevent/treat a psychotic disorder effectively based on the enhancement of the expression or function of CaMKIIa (a novel mechanism). Also disclosed is a method for screening a substance capable of preventing/treating a psychotic disorder, the method comprising the step of selecting a substance capable of enhancing the expression or function of CaMKIIa as the substance capable of preventing/treating the psychotic disorder. Further disclosed is a method for determination of a risk for the development of a psychotic disorder based on the expression amount or function of CaMKIIa or the polymorphism in a CaMKIIa gene.