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Mitochondrial and Redox-Based Therapeutic Strategies in Huntington's Disease
Lígia Fão1,2,3, Ana Cristina Rego1,2,3
1Center for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal.
Antioxidants & Redox Signaling
|June 6, 2020
Summary
Huntington's disease (HD) involves mitochondrial dysfunction and oxidative stress. Targeting these pathways with new compounds shows promise for neuroprotection and treating HD progression.
Area of Science:
- Neuroscience
- Cell Biology
- Biochemistry
Background:
- Huntington's disease (HD) pathogenesis remains unclear, with no effective neuroprotective therapies.
- Mitochondria are crucial for neuronal homeostasis, regulating energy, calcium, and reactive oxygen species (ROS).
- Mitochondrial dysfunction and increased ROS are early mechanisms in HD.
Purpose of the Study:
- To explore the role of redox imbalance and mitochondrial dysfunction in HD progression.
- To review advances in clinical trials for HD targeting mitochondrial and redox pathways.
Main Methods:
- Review of existing literature on molecular mechanisms in HD.
- Analysis of findings on mitochondrial dysfunction and redox signaling in HD.
- Examination of therapeutic strategies targeting mitochondria and redox pathways.
Main Results:
- Mutant huntingtin (mHTT) interacts with mitochondrial proteins, disrupting proteostasis and increasing ROS.
- Mitochondrial dysfunction and redox changes are closely linked in HD.
- Mitochondria-targeted antioxidants and SIRT1 activators show potential benefits.
Conclusions:
- Understanding deregulated mitochondrial function and oxidative stress offers new therapeutic avenues for HD.
- New compounds may ameliorate mitochondrial and redox pathways, potentially preventing neurodegeneration.
- Clinical trials are investigating mitochondrial and redox-based therapeutic strategies for HD.
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