期刊
NEUROPSYCHOPHARMACOLOGY
卷 23, 期 2, 页码 170-177出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/S0893-133X(99)00156-6
关键词
superoxide dismutase; schizophrenia; tardive dyskinesia; polymorphism; association study
There has been increasing evidence that deranged superoxide dismutase (SOD) activities might be a risk factor for schizophrenia and/or tardive dyskinesia (TD). In the present study, we investiogated the genetic association between a functional polymorphism (Ala-9Val) in the human manganese (Mn) SOD gene and schizophrenia or TD (192 schizophrenics : 39 with TD and 153 without TD; 141 controls). No significant differences in the allelic or genotypic distribution between schizophrenics and controls were observed. However, we did find a significant difference in genotypic distribution between schizophrenics with and those without TD (p = .03). Moreover, decreased -9Ala (mutant) allele was found among patients with TD (p = .02; odds ratio = 0.29; 95% confidence interval = 0.10-0.83). In conjunction with previous findings of increased free radicals and decreased SOD activities in TD subjects, these results suggest that the -9Ala (high activity) MnSOD allele may play a role in protecting against susceptibility to TD in schizophrenics. (C) 2000 American College of Neuropsychopharmacology. Published by Elsevier Science Inc. All rights reserved.
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