Leishmania 360°: Guidelines for exosomal research

Áurea Martins Gabriel, Adan Galué-Parra, Washington Luiz Assunção Pereira, Ketil Winther Pedersen, Edilene Oliveira da Silva

Research output: Contribution to journalReview articlepeer-review

Abstract

Leishmania parasites are a group of kinetoplastid pathogens that cause a variety of clinical disorders while maintaining cell communication by secreting extracellular vesicles. Emerging technologies have been adapted for the study of Leishmania-host cell interactions, to enable the broad-scale analysis of the extracellular vesicles of this parasite. Leishmania extracellular vesicles (LEVs) are spheroidal nanoparticles of polydispersed suspensions surrounded by a layer of lipid membrane. Although LEVs have attracted increasing attention from researchers, many aspects of their biology remain unclear, including their bioavailability and function in the complex molecular mechanisms of pathogenesis. Given the importance of LEVs in the parasite-host interaction, and in the parasite-parasite relationships that have emerged during the evolutionary history of these organisms, the present review provides an overview of the available data on Leishmania, and formulates guidelines for LEV research. We conclude by reporting direct methods for the isolation of specific LEVs from the culture supernatant of the promastigotes and amastigotes that are suitable for a range of different downstream applications, which increases the compatibility and reproducibility of the approach for the establishment of optimal and comparable isolation conditions and the complete characterization of the LEV, as well as the critical immunomodulatory events triggered by this important group of parasites.

Original languageEnglish
Article number2081
Pages (from-to)1-29
Number of pages29
JournalMicroorganisms
Volume9
Issue number10
DOIs
Publication statusPublished - 2 Oct 2021

Keywords

  • Exosomal research guidelines
  • Intercellular communication and host manipulation
  • Isolation and description of exosomes
  • Leishmania extracellular vesicle cargo
  • Leishmaniasis

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