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Updated: May 31, 2026

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Published on: June 30, 2023
Microparticles in angiogenesis: therapeutic potential
M Carmen Martinez1, Ramaroson Andriantsitohaina
1INSERM U694, Mitochondrie Régulations et Pathologie, Université d'Angers, Rue des Capucins, F-49100, Angers, France. carmen.martinez@univ-angers.fr
Abstract:
Considered during the past decades as cell dust, microparticles are now deemed true biomarkers and vectors of biological information between cells. Depending on their origin, the composition of microparticles varies and the subsequent message transported by them, such as proteins, mRNA, or miRNA, can differ. Recent studies have described microparticles as "cargos" of deleterious information in blood vessel wall under pathological situations such as hypertension, myocardial infarction, and metabolic syndrome. In addition, it has been reported that depending on their origin, microparticles also possess a therapeutic potential regarding angiogenesis. Microparticles can act directly through the interaction ligand/receptor or indirectly on angiogenesis by modulating soluble factor production involved in endothelial cell differentiation, proliferation, migration, and adhesion; by reprogramming endothelial mature cells; and by inducing changes in levels, phenotype, and function of endothelial progenitor cells. This results in an increase in formation of in vitro capillary-like tubes and the generation of new vessels in vivo under ischemic conditions, for instance. Taking into consideration these properties of microparticles, recent evidence provides new basis to expand the possibility that microparticles might be used as therapeutic tools in pathologies associated with an alteration of angiogenesis.
Insights
Microparticles, once dismissed as cell dust, are now recognized as vital biomarkers and information carriers between cells. Emerging research highlights their dual role in disease pathology and therapeutic potential, particularly in promoting blood vessel formation.
Area of Science:
- Cell biology
- Biomarkers
- Angiogenesis research
Background:
- Microparticles, previously considered 'cell dust,' are now understood as crucial biological information vectors.
- Their composition varies by origin, influencing the biological messages (proteins, mRNA, miRNA) they carry.
- Microparticles are implicated in pathological processes within blood vessels, such as in hypertension and metabolic syndrome.
Purpose of the Study:
- To explore the multifaceted roles of microparticles in biological systems.
- To investigate the therapeutic potential of microparticles in angiogenesis.
- To understand the mechanisms by which microparticles influence endothelial cells and vessel formation.
Main Methods:
- Analysis of microparticle composition based on cellular origin.
- Investigating direct and indirect mechanisms of microparticle action on angiogenesis.
- Assessing the impact of microparticles on endothelial cell behavior in vitro and in vivo.
Main Results:
- Microparticles act as carriers of both deleterious and therapeutic biological information.
- They directly and indirectly modulate angiogenesis through various cellular interactions and signaling pathways.
- Evidence shows microparticles promote the formation of new blood vessels, even under ischemic conditions.
Conclusions:
- Microparticles possess significant therapeutic potential for conditions involving altered angiogenesis.
- Their ability to influence endothelial cell function supports their use as novel therapeutic tools.
- Further research into microparticle-based therapies is warranted for vascular pathologies.
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