DNA Damage in Major Psychiatric Diseases

Muhammad Ummear Raza1, Turan Tufan1, Yan Wang1

  • 1Department of Biomedical Sciences, Quillen College of Medicine, East Tennessee State University, Johnson City, TN, 37604, USA.

Neurotoxicity Research
|April 30, 2016
PubMed

Insights

Oxidative DNA damage in the brain is linked to psychiatric disorders. Targeting DNA repair mechanisms offers a promising new avenue for developing effective psychiatric therapies.

Area of Science:

  • Neuroscience
  • Genetics
  • Psychiatry

Background:

  • Human cells face constant exposure to damaging agents and metabolic byproducts.
  • Genomic DNA stability can be compromised by these insults, potentially impacting cellular function.
  • Elevated oxidative DNA damage in the brain is observed in psychiatric disorders, correlating with structural and functional changes.

Purpose of the Study:

  • To review the involvement of oxidative damage and diminished antioxidant capacity in major psychiatric disorders.
  • To highlight the significance of DNA repair in potential therapeutic strategies for mental illnesses.
  • To explore the potential of targeting genomic DNA alterations for novel psychiatric treatments.

Main Methods:

  • Literature review of studies investigating oxidative stress and DNA damage in psychiatric conditions.
  • Analysis of the relationship between DNA damage and the pathophysiology of mental disorders.
  • Examination of current antidepressant mechanisms and their impact on neurotoxin-induced DNA damage.

Main Results:

  • Psychiatric disorders are associated with significant oxidative DNA damage in the brain.
  • Reduced antioxidant defenses exacerbate the effects of DNA damage in these conditions.
  • Current antidepressants may offer neuroprotective benefits by mitigating DNA damage.

Conclusions:

  • Damaged genomic DNA is implicated in the development and progression of psychiatric disorders.
  • Incorporating DNA repair-focused treatments could revolutionize psychiatric care.
  • Targeting genomic DNA alterations represents a critical frontier for future antipsychiatric drug discovery.

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