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Published on: February 7, 2018
Modulating intracellular oxidative stress via engineered nanotherapeutics
1CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Department of Polymer Science and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui Province 230026, China.
This study explores enhancing cancer treatment by engineering cancer cells to amplify oxidative stress. This approach aims to improve the selectivity and efficacy of redox-responsive nanotherapeutics for better outcomes.
Area of Science:
- Biomedical Engineering
- Nanotechnology
- Oncology
Background:
- Elevated oxidative stress is a hallmark of cancer cells.
- Redox-responsive nanotherapeutics offer targeted cancer treatment but face challenges in selectivity.
- Current strategies struggle with insufficient differentiation between cancer and healthy cells based on redox status.
Purpose of the Study:
- To review strategies for engineering cancer cells into intelligent nanoreactors.
- To amplify intracellular reactive oxygen species (ROS) levels for enhanced nanotherapeutic activation.
- To improve the therapeutic efficacy and selectivity of anticancer agents.
Main Methods:
- Discussion of redox-responsive nanovectors activated by intracellular redox species.
- Exploration of methods to engineer cancer cells to boost ROS generation.
- Analysis of strategies to suppress antioxidant systems within cancer cells.
Main Results:
- Cancer cells can be engineered as nanoreactors to amplify oxidative stress.
- Amplified ROS levels enhance the selective responsiveness of nanotherapeutics.
- ROS-generating platforms show promise for direct chemodynamic therapy (CDT) or combination therapy.
Conclusions:
- Engineering cancer cells as nanoreactors is a promising strategy to overcome limitations of current nanotherapeutics.
- Amplifying intracellular oxidative stress improves selectivity and therapeutic efficacy.
- This approach represents a novel methodology for advanced cancer treatment.
