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Regulation of Mitochondrial Function by the Actin Cytoskeleton
María Illescas1, Ana Peñas1, Joaquín Arenas1,2
1Instituto de Investigación Hospital 12 de Octubre, Madrid, Spain.
Frontiers in Cell and Developmental Biology
|January 7, 2022
Summary
The actin cytoskeleton and actin-binding proteins regulate mitochondrial functions, including trafficking and metabolism. Gelsolin
Area of Science:
- Cell Biology
- Mitochondrial Biology
- Biochemistry
Background:
- The actin cytoskeleton's role in mitochondrial function is emerging but poorly understood.
- Actin-binding proteins (ABPs), like Gelsolin, are implicated in mitochondrial OXPHOS disorders via undefined mechanisms.
Purpose of the Study:
- To review experimental evidence on the roles of the actin cytoskeleton and ABPs in mitochondrial functions.
- To highlight Gelsolin's specific involvement in mitochondrial disorders.
Main Methods:
- Literature review of experimental studies.
- Focus on actin cytoskeleton and ABP interactions with mitochondria.
Main Results:
- Actin cytoskeleton and ABPs are crucial for mitochondrial trafficking, dynamics, biogenesis, metabolism, and apoptosis.
- Gelsolin plays a significant role in the pathophysiology of mitochondrial disorders.
Conclusions:
- The interplay between the actin cytoskeleton, ABPs, and mitochondrial membranes is vital for cellular homeostasis.
- This interaction presents a promising area for future research and therapeutic strategies in mitochondrial diseases.
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