Further evidence that methylenetetrahydrofolate reductase A1298C polymorphism is a risk factor for schizophrenia

Chen Zhang1, Bin Xie, Yasong Du

  • 1Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, 600 Wan Ping Nan Road, 200030 Shanghai, People's Republic of China.

Insights

The methylenetetrahydrofolate reductase (MTHFR) A1298C gene variant is linked to an increased risk of schizophrenia. This study confirms the association in the Chinese Han population, suggesting a potential role in schizophrenia development.

Area of Science:

  • Genetics
  • Psychiatry
  • Molecular Biology

Background:

  • The methylenetetrahydrofolate reductase (MTHFR) gene plays a crucial role in folate metabolism.
  • Previous research indicates a potential association between the MTHFR A1298C polymorphism and schizophrenia risk.
  • Understanding genetic contributions to schizophrenia is vital for developing targeted interventions.

Purpose of the Study:

  • To investigate the genetic association between the MTHFR A1298C polymorphism and schizophrenia.
  • To evaluate the MTHFR A1298C polymorphism as a potential risk factor for schizophrenia in the Chinese Han population.

Main Methods:

  • Case-control study design.
  • Genotyping of the MTHFR A1298C polymorphism in 379 schizophrenia patients and 380 healthy controls.
  • Statistical analysis to determine the association between the polymorphism and schizophrenia.

Main Results:

  • An association was found between the 1298C allele of the MTHFR gene and schizophrenia.
  • The odds ratio for schizophrenia associated with the 1298C allele was 1.39 (95% CI: 1.08-1.79).

Conclusions:

  • The MTHFR A1298C polymorphism is associated with an increased risk of schizophrenia in the Chinese Han population.
  • This finding supports the role of MTHFR gene variations in the etiology of schizophrenia.
  • Further research is warranted to elucidate the functional mechanisms underlying this association.

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