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Connexin 43-Mediated Mitochondrial Transfer of iPSC-MSCs Alleviates Asthma Inflammation
Open accessAbstract
We previously identified an immunomodulatory role of human induced pluripotent stem cell (iPSC)-derived mesenchymal stem cells (MSCs) in asthmatic inflammation. Mitochondrial transfer from bone marrow MSCs to epithelial cells can result in the attenuation of acute lung injury in mice. However, the effects of mitochondrial transfer from iPSC-MSCs to epithelial cells in asthma and the mechanisms underlying these effects are unclear. We found that iPSC-MSC transplantation significantly reduced T helper 2 cytokines, attenuated the mitochondrial dysfunction of epithelial cells, and alleviated asthma inflammation in mice. Tunneling nanotubes (TNTs) were formed between iPSC-MSCs and epithelial cells, and mitochondrial transfer from iPSC-MSCs to epithelial cells via TNTs was observed both in vitro and in mice. Overexpression or silencing of connexin 43 (CX43) in iPSC-MSCs demonstrated that CX43 plays a critical role in the regulation of TNT formation by mediating mitochondrial transfer between iPSC-MSCs and epithelial cells. This study provides a therapeutic strategy for targeting asthma inflammation.
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CX43 plays a critical role in mediating tunneling nanotube formation and mitochondrial transfer between iPSC-MSCs and epithelial cells.
“Overexpression or silencing of CX43 in iPSC-MSCs demonstrated that CX43 plays a critical role in mediating TNT formation and MT between iPSC-MSCs and epithelial cells [394].”
From Mechanisms, efficacy, and future perspectives of cellular-based therapies for liver fibrosis/cirrhosis: focusing on mesenchymal stromal cells (2025) · cites this paper as [394]
Genetic modification of key molecular mediators such as Miro1 and CX43 represents a direct and well-supported strategy to optimize the mitochondrial transfer efficiency of MSCs.
“Genetic modification of key molecular mediators responsible for triggering and regulating MT, such as mitochondrial Rho-GTPase 1 (Miro1) and connexin 43 (CX43), represents a direct and well-supported strategy to optimize the MT efficiency of MSCs [392–394].”
From Mechanisms, efficacy, and future perspectives of cellular-based therapies for liver fibrosis/cirrhosis: focusing on mesenchymal stromal cells (2025) · cites this paper as [394]
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“Overexpression or silencing of CX43 in iPSC-MSCs demonstrated that CX43 plays a critical role in mediating TNT formation and MT between iPSC-MSCs and epithelial cells [394].”
Metadata
- Authors
- Yao, Y., Fan, X.-L., Jiang, D., Zhang, Y., Li, X., Xu, Z.-B., Fang, S.-B., Chiu, S., Tse, H.-F., Lian, Q., & Fu, Q.-L.
- Affiliations
- The First Affiliated Hospital, Sun Yat-sen University (CN)
- University of Hong Kong (HK)
- Guangdong General Hospital (CN)
- Corresponding author
- Lian, Qizhou
- Fu, Qing-Ling
- Venue
- Stem Cell Reports
- Publisher
- Elsevier BV
- Published
- 2018-11
- Volume
- 11
- Issue
- 5
- Pages
- 1120-1135
- ISSN
- 2213-6711 (ISSN-L)
- PMC
- PMC6234920
- OpenAlex
- W2896375235
- Cited by
- 227
- References
- 2
- Citations by year
- 2026: 27 · 2025: 35 · 2024: 28 · 2023: 24 · 2022: 22 · 2021: 37 · 2020: 38 · 2019: 14 · 2018: 2
- FWCI
- 12.90
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Stem Cell Reports (publishedVersion, cc-by-nc-nd)
- Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
- PubMed Central (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- NSFC (81322012, 81373174, 81471832, 81671882, 81770984, 31571407)
- Hong Kong Research Grant Council General Research Fund (HKU17113816, HKU17120517)
- Science and Technology Foundation of Guangdong Province of China (2015B020225001)
- Natural Science Foundation of Guangdong Province (2014A030313051, 2016A030308017, 2017A030313105)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Mesenchymal stem cell research
- Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Asthma and respiratory diseases
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Extracellular vesicles in disease
- Keywords
- connexin 43, mitochondrial transfer, iPSC-derived mesenchymal stem cells, asthma inflammation, tunneling nanotubes, epithelial cells, Th2 cytokines, mitochondrial dysfunction, immunomodulation, cell transplantation
- MeSH terms
- Animals, Asthma, Cell Line, Cobalt, Disease Models, Animal, Epithelial Cells, Humans, Inflammation, Lung, Mitochondria, Ovalbumin, Apoptosis, Connexin 43, Nanotubes, Mesenchymal Stem Cell Transplantation, Mice, Induced Pluripotent Stem Cells, Mesenchymal Stem Cells
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