Psychiatry Investig.  2008 Mar;5(1):41-44.

An Association Study of the Signal Transducer and Activator of Transcription 6 Gene With Periodic Psychosis

  • 1Department of Neuropsychiatry, Osaka Medical College, Takatsuki, Osaka, Japan.
  • 2Course of Letters, Kansai University, Suita, Osaka, Japan.


OBJECTIVE: Recent molecular and genetic investigations have suggested that the current nosology for major psychiatric disorders, based on the "two-entities-principal" is not accurate with respect to clinical observations; patient groups that do not fit to the current operative diagnostic boundaries are readily identified. We aimed to perform an investigation of the signal transducer and activator of transcription 6 (STAT6) gene (located on 12q13), which has an important role in the apoptotic cascade, with patients suffering from periodic psychosis.
Genetic association study has been employed for the current work. Investigated six tag-SNPs were chosen from Hapmap database.
Among six tag-SNPs, one marker (rs10783813), located in the STAT6 gene, showed modest association (p<0.05), although no marker or haplotype block showed association after Bonferroni's correction.
Future studies will reveal the etiological role of STAT6, and of other genes of the apoptotic cascade, in major psychiatric disorders.


Signal transducer and activator of transcription 6; Genetic association study; Periodic psychosis; Atypical psychosis; Haplotypes
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