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Author Spotlight: High-Throughput Measurement of Intracellular ROS Levels in Hepatocellular Lines
Published on: January 19, 2024
Reactive Oxygen-Related Diseases: Therapeutic Targets and Emerging Clinical Indications
Ana I Casas1, V Thao-Vi Dao1, Andreas Daiber2
11 Department of Pharmacology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University , Maastricht, the Netherlands .
Significance:
Enhanced levels of reactive oxygen species (ROS) have been associated with different disease states. Most attempts to validate and exploit these associations by chronic antioxidant therapies have provided disappointing results. Hence, the clinical relevance of ROS is still largely unclear.
Recent Advances:
We are now beginning to understand the reasons for these failures, which reside in the many important physiological roles of ROS in cell signaling. To exploit ROS therapeutically, it would be essential to define and treat the disease-relevant ROS at the right moment and leave physiological ROS formation intact. This breakthrough seems now within reach.
Critical Issues:
Rather than antioxidants, a new generation of protein targets for classical pharmacological agents includes ROS-forming or toxifying enzymes or proteins that are oxidatively damaged and can be functionally repaired.
Future Directions:
Linking these target proteins in future to specific disease states and providing in each case proof of principle will be essential for translating the oxidative stress concept into the clinic.
Insights
Reactive oxygen species (ROS) are crucial in cell signaling, but targeting them with antioxidants has failed. New strategies focus on repairing damaged proteins or targeting ROS-producing enzymes for therapeutic benefit.
Area of Science:
- Biochemistry
- Cell Biology
- Pharmacology
Background:
- Reactive oxygen species (ROS) are implicated in various diseases.
- Previous antioxidant therapies have yielded disappointing clinical results.
- Understanding the physiological roles of ROS in cell signaling is key to successful therapeutic strategies.
Purpose of the Study:
- To re-evaluate the therapeutic potential of targeting reactive oxygen species (ROS).
- To explore novel pharmacological approaches beyond traditional antioxidant therapies.
- To bridge the gap between the concept of oxidative stress and clinical application.
Main Methods:
- Identification of novel protein targets involved in ROS formation or oxidative damage.
- Development of pharmacological agents to modulate ROS-forming enzymes.
- Investigation of methods for functional repair of oxidatively damaged proteins.
Main Results:
- A new generation of pharmacological targets includes ROS-producing enzymes and oxidatively damaged proteins.
- These targets offer a more nuanced approach than broad-spectrum antioxidants.
- Potential for selective modulation of disease-relevant ROS while preserving physiological ROS.
Conclusions:
- Future research should focus on linking specific protein targets to distinct disease states.
- Proof-of-principle studies are essential for clinical translation of oxidative stress therapies.
- Targeting ROS-modulating proteins represents a promising avenue for treating diseases associated with oxidative stress.
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