Exosomes in ischemic heart disease: novel carriers for bioinformation
Huan Zhou1, Bin Wang2, Yingxi Yang3
1Traditional Chinese Medicine Department, Affiliated Hospital of Nankai University, Tianjin, China; Cardiology Department, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.
Insights
Exosomes mediate cell communication in ischemic heart disease (IHD) progression. Understanding exosomal crosstalk is key to developing new therapeutic targets for IHD, including heart failure.
Area of Science:
- Cardiovascular Biology
- Cellular and Molecular Medicine
- Biomedical Research
Background:
- Ischemic heart disease (IHD) involves complex cellular interactions from risk factors to clinical manifestation.
- Exosomes are crucial mediators of intercellular communication, playing a significant role in IHD pathogenesis.
- Current understanding of exosomal crosstalk dynamics throughout IHD progression remains limited.
Purpose of the Study:
- To systematically review the characteristics of exosomal crosstalk between various cell types during different stages of IHD.
- To elucidate the role of exosomes in key pathological processes of IHD, such as endothelial dysfunction, lipid deposition, plaque rupture, ischemia-reperfusion injury, and heart failure.
- To highlight the therapeutic potential and challenges associated with targeting exosomes in IHD.
Main Methods:
- Systematic literature review and analysis of existing research on exosomes and IHD.
- Description of cellular components involved in IHD pathophysiology (vascular cells, blood cells, cardiomyocytes, stem cells).
- Analysis of exosome-mediated communication pathways in distinct phases of IHD.
Main Results:
- Exosomes facilitate communication between diverse cell types, influencing endothelial dysfunction, lipid deposition, and atheromatous plaque formation/rupture.
- Exosomal crosstalk is implicated in myocardial ischemia-reperfusion (I/R) injury and the development of heart failure (HF).
- Detailed mechanisms of exosomal communication across the continuum of IHD are not fully understood.
Conclusions:
- Exosomes are pivotal in the multi-step progression of ischemic heart disease.
- Further research into exosomal crosstalk mechanisms is essential for advancing IHD diagnostics and therapeutics.
- Targeting exosomes offers promising, yet challenging, therapeutic avenues for IHD treatment.
Abstract:
The occurrence of ischemic heart disease(IHD) is a multi-step chain process from potential risk factors to overt clinical diseases. Vascular cells, blood cells, cardiomyocytes and stem cells are all involved in the pathophysiological links via continual and polynary crosstalk. Exosomes,as powerful vectors for intercellular communication,have been a hotspot for basic and clinical research. Plenty of evidence has shown that exosomes largely participate in the evolution of IHD, including endothelial dysfunction, lipid deposition, atheromatous plaque formation and rupture, myocardial ischemia-reperfusion(I/R) injury,and heart failure (HF), while the rules for detailed communication in the different stages of this continuous disease are still poorly understood. This review will systematically describe characteristics of exosomal crosstalk between different cells in the diverse periods, and also cast light on the potential and challenges for exosome application as therapeutic targets, hoping to offer supporting background for the following research.
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