Helminth extracellular vesicles: Interactions with the host immune system.

Claire Drurey, Rick M Maizels

Molecular immunology 2021 Sep

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As long-lived parasites, helminths depend upon immunomodulation of their hosts for survival. The release of excretory-secretory (ES) products, including proteins, lipids and RNAs is how successful host manipulation is achieved. It has recently been discovered that the ES products of helminths contain extracellular vesicles (EVs), with every species investigated found to secrete these lipid-bound structures. EVs are perfect for packaging and delivering immune modulators to target cell types. This review outlines the research carried out on helminth EVs and their constituents thus far, as well as their interaction with components of the mammalian immune system. We discuss how targeting EVs will aid treatment of helminth infection and consider how EVs and their immunomodulatory cargo could be used as therapeutics as we progress through this exciting era. Copyright © 2021 The Authors. Published by Elsevier Ltd.. All rights reserved.

Citation

Claire Drurey, Rick M Maizels. Helminth extracellular vesicles: Interactions with the host immune system. Molecular immunology. 2021 Sep;137:124-133