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Updated: Jun 7, 2026
06:14
Assessment of Mitochondrial Fission/Fusion Dynamics in Kidney Proximal Tubular Cells
Published on: November 14, 2025
[Study on the novel factors regulating mitochondrial dynamics]
1Department of Medical Pharmacology, Faculty of Pharmaceutical Science, Tokushima Bunri University, Tokushima, Japan. msuenaga@ph.bunri-u.ac.jp
Yakugaku Zasshi : Journal of the Pharmaceutical Society of Japan
|November 5, 2010
Summary
Mitochondria maintain dynamic filamentous networks throughout the cell cycle. Mitogenin I and mitochondrial single-stranded DNA-binding protein (mtSSB) regulate mitochondrial morphology, impacting cellular health.
Area of Science:
- Cell Biology
- Mitochondrial Dynamics
- Molecular Genetics
Context:
- Mitochondria are dynamic organelles crucial for cellular function, undergoing constant fission and fusion.
- Altered mitochondrial morphology is linked to various diseases, including cancer and cardiomyopathy.
- Understanding mitochondrial dynamics is key to comprehending cellular health and disease progression.
Purpose:
- To investigate mitochondrial dynamics during cell cycle progression.
- To identify novel regulators of mitochondrial morphology and dynamics.
Summary:
- Mitochondria exhibit dynamic changes in morphology, distribution, and abundance throughout the cell cycle, maintaining filamentous network structures.
- Mitogenin I (a mouse homolog of human DNA polymerase delta interacting protein 38) and mitochondrial single-stranded DNA-binding protein (mtSSB) were identified as key regulators of mitochondrial morphology.
- These proteins were found to be upregulated in mice with juvenile visceral steatosis, suggesting a role in metabolic and cardiac health.
Impact:
- Provides new insights into the regulation of mitochondrial dynamics during the cell cycle.
- Identifies Mitogenin I and mtSSB as potential therapeutic targets for diseases associated with mitochondrial dysfunction.
- Enhances understanding of the molecular mechanisms underlying mitochondrial morphology changes in physiological and pathological conditions.
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