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- Title
Association study between antipsychotic-induced restless legs syndrome and polymorphisms of monoamine oxidase genes in schizophrenia.
- Authors
Seung-Gul Kang; Young-Min Park; Jung-Eun Choi; Se-Won Lim; Heon-Jeong Lee; Seung-Hwan Lee; Yong-Ku Kim; Seung-Hyun Kim; Sung Nam Cho; Leen Kim
- Abstract
Objective This study aimed to investigate whether the monoamine oxidase (MAO) A and B genes are associated with antipsychotic-induced restless legs syndrome (RLS) in schizophrenia. Methods We assessed antipsychotic-induced RLS symptoms in 190 Korean schizophrenic patients and divided the subjects into two groups: those with RLS symptoms (n = 96) and those without RLS symptoms (n = 94). Genotyping was performed for the variable number of tandem repeat (VNTR) polymorphism of the MAOA gene and A644G polymorphism of the MAOB gene. Results There was no significant difference in the genotype and allele frequencies of all polymorphisms investigated between these two groups. However, the result of global haplotype analysis showed a significant difference in haplotype frequencies between male subjects with and without RLS symptoms (p = 0.013). The interaction between two polymorphisms had a significant effect on the RLS scores of both male (p = 0.047) and female (p = 0.028) patients. Conclusions These data do not suggest that the MAOA gene VNTR and MAOB gene A644G polymorphisms are associated with antipsychotic-induced RLS symptoms in schizophrenia. However, we found that the haplotype frequencies differed between the male schizophrenic patients with and without RLS symptom and the interaction between the two polymorphisms had a significant influence on the RLS scores of patients with schizophrenia. Copyright © 2010 John Wiley & Sons, Ltd.
- Subjects
SIDE effects of antipsychotic drugs; RESTLESS legs syndrome; MONOAMINE oxidase; SCHIZOPHRENIA; GENETIC polymorphisms
- Publication
Human Psychopharmacology: Clinical & Experimental, 2010, Vol 25, Issue 5, p397
- ISSN
0885-6222
- Publication type
Article
- DOI
10.1002/hup.1130