Cited by 43DNA Repair MechanismsGenetic Associations and EpidemiologyCarcinogens and Genotoxicity Assessment

Impact of single nucleotide polymorphisms of base excision repair genes on DNA damage and efficiency of DNA repair in recurrent depression disorder

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Czarny, Piotr, Kwiatkowski, Dominik, Toma, Monika, Kubiak, Joanna, Sliwinska, Agnieszka, Talarowska, Monika, Szemraj, Janusz, Maes, Michael +2 more·2017·Molecular Neurobiology

Abstract

Elevated level of DNA damage was observed in patients with depression. Furthermore, single nucleotide polymorphisms (SNPs) of base excision repair (BER) genes may modulate the risk of this disease. Therefore, the aim of this study was to delineate the association between DNA damage, DNA repair, the presence of polymorphic variants of BER genes, and occurrence of depression. The study was conducted on peripheral blood mononuclear cells of 43 patients diagnosed with depression and 59 controls without mental disorders. Comet assay was used to assess endogenous (oxidative) DNA damage and efficiency of DNA damage repair (DRE). TaqMan probes were employed to genotype 12 SNPs of BER genes. Endogenous DNA damage was higher in the patients than in the controls, but none of the SNPs affected its levels. DRE was significantly higher in the controls and was modulated by BER SNPs, particularly by c.977C>G-hOGG1, c.972G>C-MUTYH, c.2285T>C-PARP1, c.580C>T-XRCC1, c.1196A>G-XRCC1, c.444T>G-APEX1, c.-468T>G-APEX1, or c.*50C>T-LIG3. Our study suggests that both oxidative stress and disorders in DNA damage repair mechanisms contribute to elevated levels of DNA lesions observed in depression. Lower DRE can be partly attributed to the presence of specific SNP variants.

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  • Higher oxidative stress, lower antioxidants, and more oxidative stress-related DNA/RNA damage are linked to clinical markers of major depressive disorder progression such as greater chronicity, more episodes, and treatment resistance.

    “greater oxidative stress, lower antioxidant, and greater oxidative stress-related DNA/RNA damage have been linked to clinical markers of MDD illness progression, including greater chronicity, more MDEs, and treatment resistance (98,108–113).”

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Authors
Czarny, P., Kwiatkowski, D., Toma, M., Kubiak, J., Sliwinska, A., Talarowska, M., Szemraj, J., Maes, M., Galecki, P., & Sliwinski, T.
Affiliations
  • University of Łódź (PL)
  • Medical University of Lodz (PL)
  • Universidade Estadual de Londrina (BR)
Venue
Molecular Neurobiology
Published
2016-06-21
Volume
54
Issue
6
Pages
4150-4159
ISSN
  • 0893-7648 (ISSN-L)
  • 1559-1182
OpenAlex
W2462592384
Cited by
43
References
34
Citations by year
2025: 3 · 2024: 4 · 2023: 3 · 2022: 7 · 2021: 3 · 2020: 5 · 2019: 5 · 2018: 9 · 2017: 4
FWCI
3.12
Type
journal article
Language
en
Open access
Locations
  • Molecular Neurobiology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Figshare (submittedVersion, cc-by)
Funders
Polish National Science Centre (DEC-2014/13/N/NZ7/00232)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Carcinogens and Genotoxicity Assessment
Keywords
recurrent depression, base excision repair, single nucleotide polymorphisms, DNA damage, DNA repair efficiency, oxidative DNA damage, oxidative stress, OGG1, MUTYH, PARP1, XRCC1, APEX1, LIG3, genetic susceptibility, peripheral blood mononuclear cells
MeSH terms
Alleles, Depression, DNA Damage, DNA Repair, Humans, Middle Aged, Oxidation-Reduction, Risk Factors, Case-Control Studies, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, DNA Glycosylases

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