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Published on: June 15, 2011

[Functional polymorphism of manganese superoxide dismutase (MnSOD) gene correlates with schizophrenia in Polish

Piotr Gałecki1, Tadeusz Pietras, Janusz Szemraj

  • 1Uniwersytet Medyczny w Lodzi, Klinika Psychiatrii i Zaburzeń Nerwicowych z Oddziałem Interwencji Kryzysowych. galeckipiotr@o2.pl

Polski Merkuriusz Lekarski : Organ Polskiego Towarzystwa Lekarskiego
|June 20, 2006
PubMed
Abstract

Insights

Schizophrenia risk is significantly higher in individuals with the Val-9Val genotype of the manganese superoxide dismutase (MnSOD) gene. This genetic variation, linked to oxidative stress, may play a role in schizophrenia pathogenesis.

Area of Science:

  • Neuroscience
  • Genetics
  • Biochemistry

Context:

  • Schizophrenia pathogenesis involves apoptosis and reactive oxygen species (ROS).
  • Manganese superoxide dismutase (MnSOD) activity regulates cellular ROS levels.
  • The Ala-9Val polymorphism in the MnSOD gene is investigated for its association with schizophrenia.

Purpose:

  • To evaluate the association between the Ala-9Val polymorphism in the MnSOD gene and schizophrenia in a Polish population.

Summary:

  • A study of 122 paranoid schizophrenia patients and a control group revealed statistically significant differences in MnSOD genotype and allele frequencies.
  • The Val-9Val genotype was found in 58.2% of patients versus 29.73% of controls.
  • Individuals with the Val-9Val genotype have over a threefold increased risk (RR = 3.29) of developing schizophrenia.

Impact:

  • This research identifies a significant genetic risk factor for schizophrenia in the Polish population.
  • The Val-9Val genotype in the MnSOD gene is strongly associated with schizophrenia incidence.
  • Findings contribute to understanding the role of oxidative stress in schizophrenia neurodevelopment.

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