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Published on: June 14, 2024
Nanotechnology in cancer therapy: targeting the inhibition of key DNA repair pathways
K Aziz1, S Nowsheen, A G Georgakilas
1Department of Biology, Thomas Harriot College of Arts and Sciences, East Carolina University, Greenville, NC 27858, USA.
Abstract:
Cancer therapy has been changing over the decades as we move away from the administration of broad spectrum cytotoxic drugs and towards the use of therapy targeted for each tumor type. After the induction of DNA damage through chemotherapeutic agents, tumor cells can survive due to their proficient DNA repair pathways, some of which are dysregulated in cancer. Latest improvements in nanotechnology and drug discovery has led to the discovery of some very unique, highly specific and innovative drugs as inhibitors of various DNA repair pathways like base excision repair and double strand break repair. In this review we look at the efficacy and potency of these small chemical molecules to target the processing of DNA damage induced by standard therapeutic agents. Emphasis is given to those drugs currently under clinical trials. We also discuss the future directions of using this nanotechnology to increase the therapeutic ratio in cancer treatment.
Insights
Targeted cancer therapies are evolving, moving beyond cytotoxic drugs to innovative treatments. New nanotechnology-based drugs inhibit DNA repair pathways, enhancing chemotherapy effectiveness and improving cancer treatment outcomes.
Area of Science:
- Oncology
- Molecular Biology
- Nanotechnology
Background:
- Cancer therapy is shifting from broad cytotoxic drugs to targeted treatments.
- Tumor cells can resist chemotherapy via DNA repair pathways, often dysregulated in cancer.
Purpose of the Study:
- To review novel nanotechnology-derived drugs that inhibit DNA repair pathways.
- To assess the efficacy of these inhibitors in targeting DNA damage induced by standard therapies.
Main Methods:
- Review of recent advancements in drug discovery and nanotechnology.
- Focus on small chemical molecules inhibiting base excision repair and double-strand break repair.
- Emphasis on drugs currently in clinical trials.
Main Results:
- Identification of specific and innovative drugs targeting DNA repair mechanisms.
- Evaluation of drug potency in overcoming chemotherapy-induced DNA damage.
- Highlighting drugs progressing through clinical trials.
Conclusions:
- Nanotechnology-based inhibitors show promise in enhancing cancer therapy.
- These targeted approaches aim to increase the therapeutic ratio in cancer treatment.
- Future directions involve further development and application of nanotechnology in oncology.
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