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Updated: May 14, 2026

Evaluation of Extracellular Vesicle Function During Malaria Infection
Published on: February 14, 2018
Microvesicles and exosomes as vehicles between protozoan and host cell communication
Poliana Deolindo1, Ingrid Evans-Osses, Marcel Ivan Ramirez
1Laboratorio de Biologia Molecular de Parasitas e Vetores, Instituto Oswaldo Cruz-Fiocruz, Rio de Janeiro, 21040-900, Brazil.
Protozoans utilize extracellular vesicles for communication, enabling immune evasion and infection establishment. This cellular mechanism significantly alters host-parasite interactions.
Area of Science:
- Cell Biology
- Parasitology
- Immunology
Background:
- Cells release extracellular vesicles (EVs) through distinct biogenesis pathways, including microvesicles and exosomes.
- EVs contain various biomolecules, mediating intercellular communication and influencing cellular functions and the environment.
- The host-pathogen relationship is dynamic and can be modulated by novel communication methods.
Purpose of the Study:
- To explore the role of extracellular vesicles in protozoan infections.
- To understand how protozoans leverage EVs for immune evasion.
- To investigate the impact of EVs on host-parasite dynamics.
Main Methods:
- Literature review on extracellular vesicle biogenesis and function.
- Analysis of studies detailing protozoan-host interactions.
- Examination of mechanisms of immune evasion employed by protozoan parasites.
Main Results:
- Protozoans employ extracellular vesicles as a sophisticated communication system.
- EVs facilitate immune system evasion by protozoan parasites.
- The release and content of EVs contribute to establishing and maintaining protozoan infections.
Conclusions:
- Extracellular vesicles represent a critical mechanism for protozoan parasites.
- EV-mediated communication is key to protozoan survival and pathogenesis.
- Targeting EV pathways could offer new strategies against parasitic infections.
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