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Updated: Jul 15, 2025

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Isolation And Dendritic Cell-Uptake of Small Extracellular Vesicles from Echinococcus granulosus
Published on: March 28, 2025
294
Host-Derived Extracellular Vesicles in Blood and Tissue Human Protozoan Infections.
Natalia Tiberti1, Silvia Stefania Longoni1, Valéry Combes2
1Department of Infectious, Tropical Diseases and Microbiology, IRCCS Sacro Cuore Don Calabria Hospital, 37024 Negrar di Valpolicella, Italy.
Microorganisms
|September 28, 2023
Summary
Extracellular vesicles (EVs) play a key role in host-parasite interactions in protozoan diseases like malaria and Chagas disease. Studying these EVs may reveal new diagnostic markers for these infections.
Area of Science:
- Parasitology
- Immunology
- Biochemistry
Background:
- Blood and tissue protozoan infections cause significant global health and socio-economic burdens, particularly in tropical regions.
- Control is hampered by a lack of effective therapies, vaccines, and a full understanding of disease mechanisms.
- Extracellular vesicles (EVs) are increasingly recognized for their role in modulating host-parasite interactions.
Purpose of the Study:
- To review the current knowledge on host-derived EVs in human protozoan diseases.
- To explore the potential of EVs as diagnostic markers.
- To gain insights into disease pathogenesis.
Main Methods:
- Literature review of studies on extracellular vesicles in malaria, leishmaniasis, Chagas disease, human African trypanosomiasis, and toxoplasmosis.
- Analysis of circulating host-derived EVs in clinical samples and experimental models.
- Focus on host-parasite interactions mediated by EVs.
Main Results:
- Host-derived EVs are implicated in modulating immune responses and disease progression in protozoan infections.
- EVs carry pathogen-derived molecules and host factors, influencing intercellular communication.
- Specific EV profiles may correlate with disease status and outcome.
Conclusions:
- Circulating host-derived EVs represent a promising area for understanding protozoan disease pathogenesis.
- EVs hold potential as non-invasive biomarkers for diagnosis and monitoring of these infections.
- Further research into EV function can guide the development of novel therapeutic and diagnostic strategies.
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