ArticleWorld journal of stem cells2025
MiR-21-5p-enriched exosomes from hiPSC-derived cardiomyocytes exhibit superior cardiac repair efficacy compared to hiPSC-derived exosomes in a murine MI model.
Article in World journal of stem cells, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Review
- Review
- Stem Cells and Their Derivatives in Cardiac Fibrosis Therapy: Challenges and Perspectives.Cells · 2026Review
- Cardiac Circular RNAs CDR1as, Circ-RCAN2, Circ-C12orf29 Show Cell-Specific Hypoxia-Induced Dysregulation and Distinct In Vitro Effects.International journal of molecular sciences · 2025Article
- Advances in stem cell-based therapeutics for acute high-altitude illness: research progress and prospects.Frontiers in physiology · 2025Review
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundHeart disease remains a leading cause of mortality worldwide, with existing treatments often failing to effectively restore damaged myocardium. Human-induced pluripotent stem cells (hiPSCs) and their derivatives offer promising therapeutic options; however, challenges such as low retention, engraftment issues, and tumorigenic risks hinder their clinical utility. Recent focus has shifted to exosomes (exos) - nanoscale vesicles that facilitate intercellular communication - as a safer and more versatile alternative. Understanding the specific mechanisms and comparative efficacy of exos from hiPSCs
aimTo evaluate and compare the therapeutic efficacy of exos secreted by hiPSCs and hiPSC-CMs in cardiac repair, and to elucidate the role of microRNA 21-5p (miR-21-5p) in the observed effects.
methodsWe differentiated hiPSCs into CMs using small molecule methods and characterized the cells and their exos.
resultsOur findings indicate that hiPSC-CMs and their exos enhanced cardiac function, reduced infarct size, and decreased myocardial fibrosis in a murine myocardial infarction model. Notably, hiPSC-CM exos outperformed hiPSC-CM cell therapy, showing improved ejection fraction and reduced apoptosis. We identified miR-21-5p, a microRNA in hiPSC-CM exos, as crucial for CM survival. Exos with miR-21-5p were absorbed by AC16 cells, suggesting a mechanism for their cytoprotective effects.
conclusionOverall, hiPSC-CM exos could serve as a potent therapeutic agent for myocardial repair, laying the groundwork for future research into exos as a treatment for ischemic heart disease.
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