Article ; Online: Mesenchymal stem cell-derived exosomes overexpressing SRC-3 protect mice from cerebral ischemia by inhibiting ferroptosis.
2024 Volume 211, Page(s) 110948
Abstract: Background: The treatment for cerebral ischemia remains limited, and new therapeutic strategies are urgently needed. Exosome has shown great promise for the treatment of cerebral ischemia. Steroid receptor coactivator-3 (SRC-3) was reported to be ... ...
Abstract | Background: The treatment for cerebral ischemia remains limited, and new therapeutic strategies are urgently needed. Exosome has shown great promise for the treatment of cerebral ischemia. Steroid receptor coactivator-3 (SRC-3) was reported to be involved in neurological performances. In this study, we aimed to investigate the protective effects of mesenchymal stem cell (MSC)-derived exosomes overexpressing SRC-3 on cerebral ischemia in mice. Methods: The mice were treated with an intracerebroventricular injection of GFP-overexpressed exosomes (GFP-exo) and SRC-3-overexpressed exosomes (SRC3-exo) in a middle cerebral artery occlusion (MCAO) model of cerebral ischemia. Results: The results showed that SRC3-exo treatment significantly inhibited lipid peroxidation and ferroptosis of the neurons subjected to oxygen-glucose deprivation. It further suppressed the activation of microglia and astrocytes, and decreased the production of pro-inflammatory cytokines in the brains of MCAO mice. Furthermore, SRC3-exo treatment reduced the water content of brain tissue and infarct size, which alleviated the neurological damage and improved neurological performances in the MCAO mice. Conclusions: Our results suggest that MSC-derived exosomes expressing SRC3 can be a therapeutic strategy for cerebral ischemia by inhibiting ferroptosis. |
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MeSH term(s) | Animals ; Exosomes/metabolism ; Exosomes/transplantation ; Mice ; Ferroptosis/physiology ; Mesenchymal Stem Cells/metabolism ; Male ; Brain Ischemia/metabolism ; Brain Ischemia/therapy ; Nuclear Receptor Coactivator 3/metabolism ; Nuclear Receptor Coactivator 3/genetics ; Infarction, Middle Cerebral Artery/metabolism ; Mice, Inbred C57BL ; Neurons/metabolism ; Disease Models, Animal ; Astrocytes/metabolism ; Brain/metabolism |
Chemical Substances | Nuclear Receptor Coactivator 3 (EC 2.3.1.48) ; Ncoa3 protein, mouse (EC 2.3.1.48) |
Language | English |
Publishing date | 2024-04-16 |
Publishing country | United States |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 197620-5 |
ISSN | 1873-2747 ; 0361-9230 |
ISSN (online) | 1873-2747 |
ISSN | 0361-9230 |
DOI | 10.1016/j.brainresbull.2024.110948 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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