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Updated: Feb 3, 2026
Evaluation of Extracellular Vesicle Function During Malaria Infection
Published on: February 14, 2018
Interplay of extracellular vesicles and other players in cerebral malaria pathogenesis
Sophie Debs1, Amy Cohen1, Elham Hosseini-Beheshti1
1Vascular Immunology Unit, Department of Pathology, School of Medical Sciences, Faculty of Medicine & Health, The University of Sydney, Sydney, Australia.
Background:
Malaria is a serious parasitic infection affecting millions of people worldwide each year. Cerebral malaria is the most severe complication of Plasmodium infections, predominantly affecting children. Extracellular vesicles are essential mediators of intercellular communication and include apoptotic bodies, microvesicles and exosomes. Microvesicle numbers increase during disease pathogenesis and inhibition of their release can prevent brain pathology and mortality.
Scope Of Review:
We explore the current knowledge on microvesicles and exosomes in cerebral malaria pathogenesis.
Major Conclusions:
Microvesicles and exosomes are implicated in cerebral malaria pathogenesis, in the modulation of host immunity to Plasmodium, and in cell-cell communication. Blocking their production is protective in models of cerebral malaria, both in vivo and in vitro.
General Significance:
While anti-malarial treatments exist to combat Plasmodium infections, increasing drug resistance presents a major challenge. In order to improve diagnosis and treatment outcomes, further research is required to better appreciate extracellular vesicle involvement in cerebral malaria.
Insights
Extracellular vesicles, including microvesicles and exosomes, play a key role in severe malaria affecting the brain. Inhibiting their release offers protection against cerebral malaria pathology and mortality.
Area of Science:
- Parasitology
- Cell Biology
- Immunology
Background:
- Malaria is a global parasitic disease with cerebral malaria as its most severe form, particularly in children.
- Extracellular vesicles (EVs), such as microvesicles and exosomes, are crucial for cell communication.
- Increased microvesicle levels correlate with cerebral malaria progression, and their inhibition prevents brain damage and death.
Purpose of the Study:
- To review current knowledge on the role of microvesicles and exosomes in cerebral malaria pathogenesis.
Main Methods:
- Literature review focusing on microvesicles and exosomes in cerebral malaria.
Main Results:
- Microvesicles and exosomes are involved in cerebral malaria pathogenesis.
- These EVs modulate host immunity during Plasmodium infections and facilitate cell-cell communication.
- Blocking EV production demonstrates protective effects in both in vivo and in vitro cerebral malaria models.
Conclusions:
- Extracellular vesicles are significant contributors to cerebral malaria.
- Further research into EVs is vital for improving diagnosis and treatment of drug-resistant malaria.
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