Preclinical studies of EVs as delivery vehicles in neurodegenerative disorders
Disease | EV source or cargo | Animal models | Effects | References |
---|---|---|---|---|
Alzheimer’s disease | Mesenchymal stem cells (MSCs)-derived EVs | APP/PS1 and icv-STZ mice | Alleviate Aβ-induced iNOS and inflammation | [124, 126] |
Adipose-derived mesenchymal stem cells (ADSCs)-derived EVs | APP/PS1 mice | Reduce Aβ deposition and decrease microglia activation | [125] | |
Neural stem cell-derived exosomes | APP/PS1 and 5xFAD mice | Promote mitochondrial biogenesis and restore abnormal protein distribution | [127, 128] | |
EVs-mediated delivery of CB2 receptor agonist | APP/PS1 mice | Enhance neuronal regeneration | [123] | |
Parkinson’s disease | CCR2-enriched mesenchymal stem cell-derived EVs (MSCCCR2-EVs) | MPTP-induced PD mice | Block the infiltration of peripheral inflammatory cells | [129] |
Human umbilical cord mesenchymal stem cell-derived exosomes (HucMSC-EVs) | 6-OHDA-induced PD mice | Activate the Wnt/β-catenin pathway and reduce autophagy | [130] | |
Human umbilical cord blood-derived mononuclear cells (hUCB-MNCs) enriched with miR-124-3p (miR-124-3p sEVs) | 6-OHDA-induced PD mice | Induce neuronal differentiation and protect N27 dopaminergic cells | [131] | |
Human neural stem cell-derived EVs | 6-OHDA-induced PD mice | Reduce intracellular reactive oxygen species (ROS) and associated apoptotic pathways | [132] | |
Huntington’s disease | Young serum-exosomes | R6/2 mice model | Reduce mHTT aggregation protein and apoptotic signaling | [133] |
Human cord blood-derived EVs | 3-NP-induced HD rats | Reduce neuroinflammation | [134] | |
DNAJB6b-enriched neural stem cells (NSCs)-derived EVs | R6/2 mice model | Reduce mHTT aggregation | [135] | |
Fibroblast-derived EVs | HD-derived neuron cultures | Increase the density of inhibitory synapses | [136] | |
Amyotrophic lateral sclerosis | Mesenchymal stroma-/stem-like cells-derived EVs | SOD1(G93A) transgenic primary motor neurons | Antioxidant and anti-apoptotic pathways | [137] |
Adipose-derived stem cell-derived exosomes (ASC-exosomes) | SOD1(G93A) mice | Improve motor performance; protect lumbar motoneurons; and decrease glial activation | [138] | |
Adipose-derived stem cell exosomes | Neuronal cells from G93A ALS mice | Reduce cytosolic SOD1 level | [139] | |
Regulatory T cell-derived EVs | SOD1 mice | Increase survival, and modulate inflammation | [140] | |
Multiple sclerosis | Oligodendrocyte precursor cell-derived exosomes | Experimental autoimmune encephalomyelitis (EAE) mice | Reduce microgliosis and astrogliosis | [141] |
Amniotic fluid stem cell-derived EVs | EAE mice | Reprogramming inflammatory cDC2s | [142] | |
Mesenchymal stem cell-derived EVs containing miR-181a-5p | EAE mice | Inhibit microglial inflammation and pyroptosis through the USP15-mediated RelA/NEK7 axis | [143] | |
Adipose mesenchymal stem cell-derived EVs | EAE mice | Target inflamed lymph nodes | [144] |
During the preparation of this review article, the authors utilized ChatGPT-4 and DeepSeek-V3 for language editing and refinement. After employing these tools, the authors carefully reviewed, revised, and edited the content as necessary. The authors take full responsibility for the final content and accuracy of the publication.
NH: Writing—original draft, Writing—review & editing. LC: Visualization, Writing—review & editing. GH: Conceptualization, Writing—review & editing. RM: Conceptualization, Investigation, Writing—original draft, Writing—review & editing, Supervision. All authors have read and approved the final submitted version of the manuscript.
Guoku Hu is the Editorial Board Member and a Guest Editor of Exploration of Neuroprotective Therapy, and Rong Ma is a Guest Editor of Exploration of Neuroprotective Therapy. However, neither was involved in the decision-making or review process for this manuscript. The other authors declare that they have no conflicts of interest.
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LC acknowledges the support of the National Natural Science Foundation of China [62002212] and 2020 Li Ka Shing Foundation Cross-Disciplinary Research Grant [2020LKSFG07D]. GH was supported by startup funds from University of Nebraska Medical Center and the National Institutes of Health (NIH) grants [DA046831], [DA042704], and [DA043138], [MH112848]. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
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