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Updated: Jul 6, 2026

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Published on: August 15, 2025
Mitochondrial dynamics: to be in good shape to survive.
Sébastien Herzig1, Jean-Claude Martinou
1Department of Cell Biology, University of Geneva, Quai Ernest-Ansermet 30, 1211 Geneva 4, Switzerland.
Mitochondrial dynamics, involving fusion and fission, are crucial for cell function and disease. This review explores their role in apoptosis and inherited disorders, highlighting ongoing research into their necessity for programmed cell death.
Area of Science:
- Cell Biology
- Molecular Biology
- Genetics
Background:
- Mitochondria are vital organelles in eukaryotic cells, regulating physiological processes and disease pathology.
- Mitochondrial dynamics, characterized by fusion and fission, maintain a dynamic network essential for cellular health.
- Dysfunctional mitochondrial dynamics are linked to inherited diseases like Charcot-Marie-Tooth and ADOA.
Purpose of the Study:
- To review recent advancements in mitochondrial dynamics.
- To emphasize the implications of mitochondrial dynamics in apoptosis.
- To explore the role of mitochondrial dynamics in various diseases.
Main Methods:
- Literature review of current research on mitochondrial dynamics.
- Analysis of studies investigating mitochondrial fusion and fission in apoptosis.
- Examination of genetic mutations affecting mitochondrial dynamics and associated diseases.
Main Results:
- Mitochondrial network disintegration and outer membrane permeabilization occur during apoptosis, releasing apoptogenic factors.
- Modulation of mitochondrial fusion/fission machinery impacts apoptotic responses.
- The absolute requirement of mitochondrial fission for apoptosis remains an open question.
Conclusions:
- Mitochondrial dynamics play a significant role in apoptosis and disease pathogenesis.
- Further research is needed to fully elucidate the role of mitochondrial fission in apoptosis.
- Understanding mitochondrial dynamics offers potential therapeutic targets for diseases.
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