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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

5HTR2A gene polymorphism and personality traits in patients with major psychoses.

Serotonin receptor (5HTR2A) gene polymorphism has been reported to be associated with clinical phenotypes in schizophrenia. The current study attempted to investigate a relationship between 5HTR2A 102T/C polymorphism and personality traits as well as clinical symptoms in patients with ICD-10 diagnoses of schizophrenia and affective disorders. 5HTR2A genotyping, clinical and psychological assessment were administered to 375 patients, 104 first-degree healthy relatives of the patients and 157 controls. In the patients an association was observed between the 2/2 5HTR2A genotype and scores on the Hypochondriasis scale (MMPI) (ANOVA, F = 4.56; P = 0.011) and trait anxiety (F = 4.21; P = 0.002). A significant difference between 1/1 and 2/2 genotypes has been also found for Neuroticism scores (EPI) (t = 2.18; P = 0.0031). No significant differences by 5HTR2A genotype were observed in either the control or first-degree relatives group for all scales studied. Positive, negative and psychopathological symptoms emerged higher in the 2/2 genotype patients compared to other genotype carriers. Therefore, the 2/2 genotype may contribute to produce the phenotype, with specific clinical and pathological features in common, regardless of nosologic heterogeneity of psychoses.[1]


  1. 5HTR2A gene polymorphism and personality traits in patients with major psychoses. Golimbet, V.E., Alfimova, M.V., Manandyan, K.K., Mitushina, N.G., Abramova, L.I., Kaleda, V.G., Oleichik, I.V., Yurov, Y., Trubnikov, V.I. Eur. Psychiatry (2002) [Pubmed]
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