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KMID : 0605620060130040267
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Journal of Korean Society of Biological Psychiatry
2006 Volume.13 No. 4 p.267 ~ p.272
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An Association Study of the Brain-Derived Nerrotrophic Factor Val66Met Gene Polymorphism and Schizophrenia
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Lee Hwa-Young
Kim Dai-Jin
Kim Yong-Ku
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Abstract
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Objectives:Schizophrenia is a clinically heterogenous disease with a strong genetic component. Many studies have suggested that brain-derived neurotrophic factor(BDNF) is involved in the pathophysiology of schizophrenia. This study was performed to determine whether there is an association between BDNF Val66Met polymorphism and schizophrenia.
Methods:To identify any genetic predisposition to schizophrenia, we investigated the BDNF Val66Met polymorphism in 106 patients with schizophrenia and 147 normal controls with PCR-RFLP method. Statistical analyses were used to test the association between and BDNF Val66Met genotype and Schizophrenia.
Results:No association was found between BDNF Val66Met polymorphism and schizophrenia. No significant differences were found comparing the BDNF genotype distributions according to the age of onset, the number of admission and familial loading in schizophrenia.
Conclusions:This result indicates that BDNF Val66Met polymorphism is not associated with schizophrenia. However, further studies with a large number of subjects are needed to confirm whether the BDNF gene is related to schizophrenia.
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KEYWORD
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BDNF, Polymorphism, Schizophrenia, Association
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