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Updated: Nov 9, 2025

MitoCeption: Transferring Isolated Human MSC Mitochondria to Glioblastoma Stem Cells
Published on: February 22, 2017
Neural stem cells traffic functional mitochondria via extracellular vesicles
Luca Peruzzotti-Jametti1, Joshua D Bernstock1,2, Cory M Willis1
1Department of Clinical Neurosciences and NIHR Biomedical Research Centre, University of Cambridge, United Kingdom.
Neural stem cells (NSCs) transfer functional mitochondria via extracellular vesicles (EVs) to repair damaged cells. This discovery offers new therapeutic strategies for central nervous system (CNS) diseases like multiple sclerosis.
Area of Science:
- Neuroscience
- Cell Biology
- Regenerative Medicine
Background:
- Neural stem cell (NSC) transplantation shows promise for central nervous system (CNS) diseases.
- Transplanted NSCs exert therapeutic effects through various mechanisms, including extracellular vesicle (EV)-mediated cargo transfer.
- Mitochondrial dysfunction is implicated in many CNS disorders.
Purpose of the Study:
- To investigate if NSCs transfer functional mitochondria via EVs to host cells.
- To determine if this mitochondrial transfer can restore cellular function in CNS disease models.
Main Methods:
- Analysis of proteins within EVs released by NSCs.
- Morphological and functional assessment of mitochondria within EVs.
- In vitro studies using mtDNA-deficient cells and inflammatory cells.
- In vivo transplantation of NSCs in a mouse model of multiple sclerosis.
Main Results:
- EVs released by NSCs are enriched with functional mitochondria.
- Transferred mitochondria restored function in mtDNA-deficient cells and improved metabolism in inflammatory cells.
- NSC transplantation in vivo led to mitochondrial transfer and ameliorated clinical symptoms in a multiple sclerosis model.
Conclusions:
- NSCs actively transfer functional mitochondria to target cells via EVs.
- This mechanism contributes to NSC therapeutic effects in CNS diseases.
- This finding supports novel cell-free therapies for mitochondrial dysfunction in neurological disorders.
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