Therapeutic properties of stem cell-derived exosomes in ischemic heart disease
Negar Raissi Dehkordi1, Nastaran Raissi Dehkordi1, Mohammad Hadi Farjoo1
1Department of Pharmacology, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Insights
Stem cell-derived exosomes show promise for treating ischemic heart disease by enhancing cardiac repair. Challenges remain in standardizing isolation, delivery, and large-scale production for clinical use.
Area of Science:
- Cardiovascular Research
- Regenerative Medicine
- Nanotechnology
Background:
- Ischemic heart disease (IHD) is a leading global cause of mortality, with current treatments offering limited efficacy.
- Stem cell-derived exosomes are emerging as a novel therapeutic avenue for IHD due to their regenerative potential.
- Exosomes, nanoscale extracellular vesicles, carry bioactive molecules that mediate intercellular communication.
Purpose of the Study:
- To review the potential of stem cell-derived exosomes in treating ischemic heart disease.
- To classify exosomes based on their stem cell origin (mesenchymal, adipose, cardiac, endothelial progenitor).
- To discuss the therapeutic mechanisms and challenges associated with exosome-based therapies for IHD.
Main Methods:
- Literature review focusing on stem cell-derived exosomes and their application in ischemic heart disease.
- Classification of exosomes based on their cell of origin.
- Analysis of exosome cargo and their role in cardioprotection.
Main Results:
- Stem cell-derived exosomes can be classified by source, including mesenchymal, adipose, cardiac, and circulating endothelial progenitor stem cells.
- Exosomes modulate cardiac cell cross-talk via their cargo (e.g., miRNAs), promoting angiogenesis, inhibiting apoptosis, and reducing fibrosis.
- These mechanisms contribute to enhanced cardioprotective effects.
Conclusions:
- Stem cell-derived exosomes hold significant therapeutic potential for ischemic heart disease.
- Key challenges include standardizing isolation and characterization, optimizing cell culture, ensuring targeted delivery, and scaling up production.
- Further research is needed to overcome these hurdles for clinical translation.
Abstract:
Ischemic heart disease is the most prominent cause of death worldwide. Current treatment options have shown limited success in preventing morbidity and mortality and the need for alternative therapeutic options is evident. Accumulating evidence points to the rising role of stem cell-derived exosomes as potential sources for treatment of ischemic heart disease. Exosomes are nano-scale (50-150 nm), membrane-bound extracellular vesicles that contain a variety of proteins, nucleic acids, lipids, and metabolites and can be released from almost every cell type in the body, including but not restricted to cardiac cells, immune cells, and stem cells. In this review exosomes derived from stem cells which may have potential application in ischemic heart disease are classified based on their source: mesenchymal, adipose, cardiac, and circulating endothelial progenitor stem cells. Alterations in exosome cargo, for instance through regulation of certain miRNAs, may regulate the cross-talk among cardiac cells and usually result in enhanced cardioprotective properties through various signaling mechanisms, leading to enhancement of angiogenesis, prevention of apoptosis and reducing fibrosis. However, many critical challenges remain in translation of exosomes-assisted therapies such as lack of a unified method for exosome isolation and characterization, finding the optimal cell culture conditions, proper route of administration, targeted delivery of exosomes to cardiac tissue, and difficulties with production and storage of exosomes in large numbers.
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