TNFB polymorphism may be associated with schizophrenia in the Korean population

Tae Youn Jun, Chi Un Pae, Jeong Ho Chae, Won Myong Bahk, Kwang Soo Kim, Hoon Han, Alessandro Serretti

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21 Scopus citations

Abstract

This study was conducted to test the association between the tumor necrosis factor (TNF)-β gene (B) polymorphism and schizophrenia in the Korean population. 127 patients with schizophrenia according to the DSM-IV criteria and 202 healthy controls were enrolled in this study. Patients and controls were biologically unrelated age and sex-matched native Koreans. Genotyping for the TNFB polymorphism was performed by polymerase chain reaction-restriction fragment length polymorphism. Genotype and allele distributions of the TNFB polymorphism in patients with schizophrenia were significantly different from those of the controls. Subjects with the TNFB*2 allele had an increased risk for schizophrenia (Odds Ratio=1.76, 95% CI=1.27-2.45). The present study suggests that the TNFB polymorphism may confer susceptibility to schizophrenia in the Korean population.

Original languageEnglish
Pages (from-to)39-45
Number of pages7
JournalSchizophrenia Research
Volume61
Issue number1
DOIs
StatePublished - 1 May 2003

Bibliographical note

Funding Information:
This study was supported by a grant from the Korea Health 21 R&D Project (HMP-00-GN-01-0002), The Ministry of Health and Welfare, Republic of Korea. The authors thank Ms. Young-Mi Park and Hee-Ok Kim for their support in this study.

Keywords

  • Association study
  • Schizophrenia
  • TNFB polymorphism

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