The serotonin transporter gene 5-HTTLPR polymorphism is associated with affective psychoses but not with schizophrenia: A large-scale study in the Russian population
The 5-HTTLPR polymorphism of the serotonin transporter gene is associated with affective psychosis. Schizoaffective disorder is intermediate between SCZ and bipolar disorder. The 5-HTTLPR SS genotype is a possible marker of psychosis outcome.