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Evaluation of Extracellular Vesicle Function During Malaria Infection
Published on: February 14, 2018
Role of Extracellular Vesicles in Cellular Cross Talk in Malaria
Kehinde Adebayo Babatunde1,2, Bibin Yesodha Subramanian2, Ambroise Dioum Ahouidi3,4
1Center for Engineering in Medicine, Harvard Medical School, Massachusetts General Hospital, Boston, MA, United States.
Abstract:
Malaria infection caused by the Plasmodium species is a complex disease in which a fine balance between host and parasite factors determine the disease severity. While in some individuals, the infection will trigger only a mild and uncomplicated disease, other individuals will develop severe complications which lead to death. Extracellular vesicles (EVs) secreted by infected red blood cells (iRBCs), as well as other host cells, are important regulators of the balance that determines the disease outcome. In addition, EVs constitute a robust mode of cell-to-cell communication by transferring signaling cargoes between parasites, and between parasites and host, without requiring cellular contact. The transfer of membrane and cytosolic proteins, lipids, DNA, and RNA through EVs not only modulate the immune response, it also mediates cellular communication between parasites to synchronize the transmission stage. Here, we review the recent progress in understanding EV roles during malaria.
Insights
Extracellular vesicles (EVs) from malaria-infected cells regulate disease severity and parasite transmission. These EVs mediate communication between host and parasite, influencing malaria outcomes.
Area of Science:
- Parasitology
- Immunology
- Cell Biology
Background:
- Malaria, caused by Plasmodium species, presents variable disease severity.
- Host-parasite interactions critically determine malaria outcomes.
- Extracellular vesicles (EVs) are emerging as key mediators in host-parasite communication.
Purpose of the Study:
- To review recent advancements in understanding the roles of EVs in malaria.
- To highlight how EVs regulate the balance between host and parasite factors.
- To explore EV-mediated communication in malaria pathogenesis and transmission.
Main Methods:
- Literature review of recent research on extracellular vesicles in malaria.
- Analysis of studies investigating EV cargo and function.
- Synthesis of findings on EV-mediated host-parasite interactions.
Main Results:
- EVs secreted by infected red blood cells (iRBCs) and other host cells modulate malaria disease severity.
- EVs facilitate cell-to-cell communication by transferring proteins, lipids, DNA, and RNA.
- EV cargo influences host immune responses and parasite transmission stages.
Conclusions:
- Extracellular vesicles play a significant role in regulating malaria pathogenesis.
- EVs are crucial for intercellular communication, impacting both host and parasite.
- Further research into EVs offers potential for novel malaria control strategies.
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