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Updated: Jul 13, 2026

Assessment of DNA Double Strand Break Repair Activity Using High-throughput and Quantitative Luminescence-Based Reporter Assays
Published on: June 14, 2024
[DNA repair--a new molecular target of anticancer therapy]
Martina Cizmáriková1, Anton Kohút
1Ustav farmakológie LF UPJS Kosice.
Abstract:
DNA-damaging agents and radiation have a central role besides other cancer treatment modalities currently. The balance between DNA damage and capacity of DNA repair mechanisms determines the final therapeutic outcome. An elevated ability of cancer cells to recognize DNA damage and initiate DNA repair pathways is an important mechanism for therapeutic resistance and has a negative impact upon therapeutic efficacy. Pharmacological inhibition of recently detected targets of DNA repair with several small-molecule compounds, therefore, has the potential to enhance the cytotoxicity of anticancer agents.
Insights
Cancer cells resist treatment by repairing DNA damage. Inhibiting these DNA repair pathways can make chemotherapy and radiation more effective against cancer.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Context:
- DNA-damaging agents and radiation are key cancer treatments.
- Therapeutic outcomes depend on the balance between DNA damage and repair.
- Cancer cells can develop resistance through enhanced DNA repair mechanisms.
Purpose:
- To explore the role of DNA repair in therapeutic resistance.
- To investigate the potential of inhibiting DNA repair pathways.
Summary:
- Elevated DNA repair capacity in cancer cells contributes to therapeutic resistance.
- Pharmacological inhibition of DNA repair targets is a promising strategy.
- Small-molecule compounds can potentially enhance anticancer agent cytotoxicity.
Impact:
- Targeting DNA repair pathways could overcome treatment resistance.
- This approach may improve the efficacy of existing cancer therapies.
- Offers a novel strategy to enhance cancer treatment outcomes.
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