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Updated: Jul 2, 2025

Isolation And Dendritic Cell-Uptake of Small Extracellular Vesicles from Echinococcus granulosus
Published on: March 28, 2025
Subcellular particles for characterization of host-parasite interactions
Ewa Kozela1, Paula Meneghetti2, Neta Regev-Rudzki1
1Department of Biomolecular Sciences, Faculty of Biochemistry, Weizmann Institute of Science, Rehovot, Israel.
Abstract:
Parasitic diseases remain a major global health problem for humans. Parasites employ a variety of strategies to invade and survive within their hosts and to manipulate host defense mechanisms, always in the pathogen's favor. Extracellular vesicles (EVs), membrane-bound nanospheres carrying a variety of bioactive compounds, were shown to be released by the parasites during all stages of the infection, enabling growth and expansion within the host and adaptation to frequently changing environmental stressors. In this review, we discuss how the use of existing nanotechnologies and high-resolution imaging tools assisted in revealing the role of EVs during parasitic infections, enabling the quantitation, visualization, and detailed characterization of EVs. We discuss here the cases of malaria, Chagas disease and leishmaniasis as examples of parasitic neglected tropical diseases (NTDs). Unraveling the EVs' role in the NTD pathogenesis may enormously contribute to their early and reliable diagnostic, effective treatment, and prevention.
Insights
Parasites release extracellular vesicles (EVs) to thrive within hosts. Nanotechnology aids in studying these EVs for diagnosing and treating parasitic diseases like malaria and Chagas disease.
Area of Science:
- Parasitology
- Nanotechnology
- Molecular Biology
Background:
- Parasitic diseases pose significant global health challenges.
- Parasites utilize complex strategies to evade host defenses and ensure survival.
- Extracellular vesicles (EVs) are implicated in parasite-host interactions and pathogenesis.
Purpose of the Study:
- To review the role of extracellular vesicles (EVs) in parasitic infections.
- To highlight the application of nanotechnology and advanced imaging in studying parasite-derived EVs.
- To discuss the implications of EV research for neglected tropical diseases (NTDs).
Main Methods:
- Review of existing literature on EVs in parasitic infections.
- Discussion of nanotechnologies for EV quantitation, visualization, and characterization.
- Case examples focusing on malaria, Chagas disease, and leishmaniasis.
Main Results:
- Parasite-released EVs facilitate host invasion, survival, and adaptation.
- Nanotechnology and high-resolution imaging enable detailed characterization of parasite EVs.
- EVs play a crucial role in the pathogenesis of NTDs like malaria, Chagas disease, and leishmaniasis.
Conclusions:
- Understanding the role of EVs in parasitic infections is critical for advancing diagnostics and therapeutics.
- Nanotechnology-based approaches offer powerful tools for investigating parasite EVs.
- Targeting EVs could lead to novel strategies for preventing and treating NTDs.
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