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Targeting the 8-oxodG Base Excision Repair Pathway for Cancer Therapy

Anna Piscone1, Francesca Gorini1, Susanna Ambrosio2

  • 1Department of Molecular Medicine and Medical Biotechnologies, University of Naples 'Federico II', 80131 Naples, Italy.

Cells
|January 24, 2025
PubMed

Insights

Base Excision Repair (BER) inhibitors target 8-oxoguanine glycosylase 1 (OGG1) to combat oxidative DNA damage. This approach enhances cancer therapy sensitivity by exploiting tumor-specific repair pathways.

Area of Science:

  • Molecular Biology
  • Genetics
  • Cancer Research

Background:

  • Genomic integrity is essential for preventing mutations and diseases like cancer.
  • The Base Excision Repair (BER) pathway is crucial for repairing oxidative DNA damage.
  • 8-oxoguanine glycosylase 1 (OGG1) is a key enzyme in the BER pathway, excising 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG) lesions.

Purpose of the Study:

  • To provide an updated perspective on small-molecule inhibitors targeting the 8-oxodG-BER pathway.
  • To highlight the potential of BER inhibitors in expanding cancer treatment strategies.
  • To serve as a reference for researchers in the field.

Main Methods:

  • Review of scientific literature on BER pathway and OGG1.
  • Analysis of small-molecule inhibitors targeting the 8-oxodG-BER pathway.
  • Exploration of synthetic lethal interactions and tumor-specific dependencies.

Main Results:

  • BER inhibitors show promise in cancer therapy by increasing sensitivity to existing treatments.
  • Targeting the 8-oxodG-BER pathway offers a strategy for selective cancer cell targeting.
  • Small-molecule inhibitors represent a growing area of cancer drug development.

Conclusions:

  • Inhibitors of the 8-oxodG-BER pathway are a promising avenue for novel cancer therapies.
  • Exploiting DNA repair mechanisms can lead to targeted cancer treatments with reduced side effects.
  • Further research into BER inhibitors could significantly advance oncology treatment strategies.
Keywords:
8-oxodGBERcancer therapy

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