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Monitoring Stub1-Mediated Pexophagy
Published on: May 12, 2023
NEXT-GENERATION ANTIOXIDANTS: SHOULD WE TARGET PEROXIREDOXINS?
U Gavrilova1, S Alieva1, A Gerasimenko1
11North-Western State Medical University named after I.I. Mechnikov, Saint-Petersburg, Russia.
Abstract:
Reactive oxygen species (ROS) play a dual role in biology, functioning as both essential signaling molecules and agents of cellular damage under oxidative stress. While classical antioxidant therapies have shown promise in preclinical models, they have consistently failed in clinical trials, largely due to their lack of specificity and disruption of physiological redox signaling. Peroxiredoxins (Prx), a family of thiol-dependent peroxidases, have emerged as attractive next-generation targets due to their enzymatic specificity, compartmentalization, and involvement in redox relay mechanisms. This review critically examines the structural and functional features of Prx, their context-dependent roles in cancer, neurodegeneration, and cardiovascular diseases, and the growing arsenal of pharmacological modulators. We further discuss the challenges and opportunities of Prx-targeted therapy and evaluate whether these enzymes represent a viable and superior strategy within the evolving landscape of redox medicine.
Insights
Peroxiredoxins (Prx) offer specific redox signaling modulation, unlike broad antioxidants. Targeting Prx presents a promising strategy for treating diseases linked to oxidative stress.
Area of Science:
- Biochemistry and Molecular Biology
- Redox Biology
- Pharmacology
Background:
- Reactive oxygen species (ROS) have dual roles in cell signaling and oxidative damage.
- Classical antioxidants fail clinically due to lack of specificity and disruption of redox balance.
- Peroxiredoxins (Prx) are specific thiol-dependent enzymes involved in redox signaling.
Purpose of the Study:
- To review the structural and functional aspects of Peroxiredoxins (Prx).
- To examine the roles of Prx in diseases such as cancer, neurodegeneration, and cardiovascular conditions.
- To evaluate Prx-targeted therapies as a superior strategy in redox medicine.
Main Methods:
- Literature review of Peroxiredoxin (Prx) structure and function.
- Analysis of Prx involvement in various disease pathologies.
- Survey of current and emerging pharmacological modulators of Prx.
- Evaluation of Prx-targeted therapy efficacy and challenges.
Main Results:
- Peroxiredoxins (Prx) exhibit enzymatic specificity and compartmentalization, crucial for precise redox signaling.
- Prx play context-dependent roles in cancer, neurodegeneration, and cardiovascular diseases.
- A growing number of pharmacological agents targeting Prx are under development.
Conclusions:
- Peroxiredoxin (Prx)-targeted therapy offers a more specific and potentially superior approach compared to traditional antioxidants.
- Prx represent a viable and promising strategy for future redox medicine applications.
- Further research into Prx modulators is warranted for therapeutic development.
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