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Linking Environmental Genotoxins to Neurodegenerative Diseases Through Transcriptional Mutagenesis

Bert M Verheijen1, Marc Vermulst2

  • 1Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA.

International Journal of Molecular Sciences
|November 9, 2024
PubMed

Insights

DNA damage may worsen neurodegenerative diseases by causing transcription errors. This review explores the link between DNA damage, transcription errors, and diseases like those once common in Guam.

Area of Science:

  • Neuroscience
  • Genetics
  • Molecular Biology

Background:

  • DNA damage is implicated in neurodegenerative diseases.
  • The precise molecular mechanisms remain elusive.
  • This review focuses on transcription errors as a key mediator.

Purpose of the Study:

  • To propose and support the hypothesis that DNA damage exacerbates neurodegenerative diseases via transcription errors.
  • To integrate historical and current scientific data.
  • To explore implications for aging and genotoxic stress.

Main Methods:

  • Literature review integrating historical and contemporary findings.
  • Description of scientific rationale and biological concepts.
  • Presentation of epidemiological, cellular, and molecular data.

Main Results:

  • Evidence suggests DNA damage induces transcription errors.
  • Observations in Guam support the link between DNA damage, transcription errors, and high neurodegenerative disease incidence.
  • The proposed mechanism offers a new perspective on disease etiology.

Conclusions:

  • DNA damage-induced transcription errors are a plausible mechanism exacerbating neurodegenerative diseases.
  • This understanding impacts the study of genotoxic stress, aging, and disease.
  • Further research is warranted to validate and explore therapeutic strategies.
Keywords:
DNA damagemutagenesismutant proteinsneurodegenerative diseasesprotein aggregationtranscription errors

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