ArticleScientific reports2025
The role of homogenization cycles and Poloxamer 188 on the quality of mitochondria isolated for use in mitochondrial transplantation therapy.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Immune regulation in mitochondrial transfer: knowledge structure and emerging trends from a bibliometric perspective.Frontiers in immunology · 2026Pooled it
- Intercellular Mitochondrial Transfer as Endogenous Neuroprotection: Mechanisms and Therapeutic Implications in Ischemic Stroke.Translational stroke research · 2026Review
- All-Dielectric Metasurface-Enhanced Fluorescence for Probing Mitochondrial Membrane Potential Dynamics.Chemical & biomedical imaging · 2026Article
- Mitochondrial transplantation for delirium superimposed on dementia: from pathogenic mechanisms to clinical translation challenges.Frontiers in aging neuroscience · 2026Review
- Mitochondrial transplantation-a novel therapeutic strategy for erectile dysfunction: a narrative review.Translational andrology and urology · 2025Review
- Mitochondrial Transplantation/Transfer: Promising Therapeutic Strategies for Spinal Cord Injury.Journal of orthopaedic translation · 2025Review
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mitochondrial transplantation (MTx) offers a promising therapeutic approach to mitigate mitochondrial dysfunction in conditions such as ischemia-reperfusion (IR) injury. The quality and viability of donor mitochondria are critical to MTx success, necessitating the optimization of isolation protocols. This study aimed to assess a rapid mitochondrial isolation method, examine the relationship between mitochondrial size and membrane potential, and evaluate the potential benefits of Poloxamer 188 (P-188) in improving mitochondrial quality during the isolation process. Mitochondria were isolated from pectoral muscle biopsies of adult male Sprague-Dawley rats using an automated homogenizer. MitoTracker Deep Red (MTDR) staining and flow cytometry were used to assess mitochondrial purity, while the JC-1 assay evaluated membrane potential. Mitochondrial size groups were compared for membrane potential differences. Homogenization frequency and P-188 supplementation (1 mM) were assessed for their effects on mitochondrial membrane potential and particle size, and particle counts. The rapid isolation method yielded mitochondria that retained sufficient membrane potential to be effectively inhibited by carbonyl cyanide 3-chlorophenylhydrazone (CCCP), a disruptor of mitochondrial membrane potential. Larger mitochondria exhibited significantly higher JC-1 ratios, indicating greater membrane potential. Excessive homogenization (10 cycles) reduced membrane potential compared to 3 cycles homogenization (P = 0.026). P-188 significantly increased the JC-1 ratio from 10.26 ± 2.57 to 33.78 ± 17.78 (P = 0.023). Particle size and count analysis revealed that 10 cycles homogenization significantly increased particle count compared to 3 cycles homogenization (P = 0.0001), but was associated with smaller particle sizes (P = 0.0031). The rapid mitochondrial isolation method produced viable mitochondria, with larger mitochondria exhibiting superior membrane potential. Reducing homogenization frequency and incorporating P-188 improved mitochondrial quality and preserved particle size. These strategies offer promising strategies for optimizing MTx protocols. Further refinement of these techniques is necessary for their clinical application in MTx therapy.
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