Extracellular vesicles and a novel form of communication in the brain

In numerous neurodegenerative diseases, the interplay between neurons and glia modulates the outcome and progression of pathology. One particularly intriguing mode of interaction between neurons, astrocytes, microglia, and oligodendrocytes is characterized by the release of extracellular vesicles th...

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Main Authors: Manuela eBasso, Valentina eBonetto
Format: Article
Language:English
Published: Frontiers Media S.A. 2016-03-01
Series:Frontiers in Neuroscience
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fnins.2016.00127/full
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author Manuela eBasso
Valentina eBonetto
author_facet Manuela eBasso
Valentina eBonetto
author_sort Manuela eBasso
collection DOAJ
description In numerous neurodegenerative diseases, the interplay between neurons and glia modulates the outcome and progression of pathology. One particularly intriguing mode of interaction between neurons, astrocytes, microglia, and oligodendrocytes is characterized by the release of extracellular vesicles that transport proteins, lipids, and nucleotides from one cell to another. Notably, several proteins that cause disease, including the prion protein and mutant SOD1, have been detected in glia-derived extracellular vesicles and observed to fuse with neurons and trigger pathology in vitro. Here we review the structural and functional characterization of such extracellular vesicles in neuron-glia interactions. Furthermore, we discuss possible mechanisms of extracellular vesicle biogenesis and release from activated glia and microglia, and their effects on neurons. Given that exosomes, the smallest type of extracellular vesicles, have been reported to recognize specific cellular populations and act as carriers of very specialized cargo, a thorough analysis of these vesicles may aid in their engineering in vitro and targeted delivery in vivo, opening opportunities for therapeutics.
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spelling doaj.art-2f1a605d0a4d4a44a5cf0d4d22cb08a32022-12-22T03:35:37ZengFrontiers Media S.A.Frontiers in Neuroscience1662-453X2016-03-011010.3389/fnins.2016.00127180025Extracellular vesicles and a novel form of communication in the brainManuela eBasso0Valentina eBonetto1Centre for Integrative Biology, University of TrentoIRCCS-Istituto di Ricerche Farmacologiche “Mario Negri”In numerous neurodegenerative diseases, the interplay between neurons and glia modulates the outcome and progression of pathology. One particularly intriguing mode of interaction between neurons, astrocytes, microglia, and oligodendrocytes is characterized by the release of extracellular vesicles that transport proteins, lipids, and nucleotides from one cell to another. Notably, several proteins that cause disease, including the prion protein and mutant SOD1, have been detected in glia-derived extracellular vesicles and observed to fuse with neurons and trigger pathology in vitro. Here we review the structural and functional characterization of such extracellular vesicles in neuron-glia interactions. Furthermore, we discuss possible mechanisms of extracellular vesicle biogenesis and release from activated glia and microglia, and their effects on neurons. Given that exosomes, the smallest type of extracellular vesicles, have been reported to recognize specific cellular populations and act as carriers of very specialized cargo, a thorough analysis of these vesicles may aid in their engineering in vitro and targeted delivery in vivo, opening opportunities for therapeutics.http://journal.frontiersin.org/Journal/10.3389/fnins.2016.00127/fullExosomesneurodegenerationMicrovesiclescargoNanotechnologies
spellingShingle Manuela eBasso
Valentina eBonetto
Extracellular vesicles and a novel form of communication in the brain
Frontiers in Neuroscience
Exosomes
neurodegeneration
Microvesicles
cargo
Nanotechnologies
title Extracellular vesicles and a novel form of communication in the brain
title_full Extracellular vesicles and a novel form of communication in the brain
title_fullStr Extracellular vesicles and a novel form of communication in the brain
title_full_unstemmed Extracellular vesicles and a novel form of communication in the brain
title_short Extracellular vesicles and a novel form of communication in the brain
title_sort extracellular vesicles and a novel form of communication in the brain
topic Exosomes
neurodegeneration
Microvesicles
cargo
Nanotechnologies
url http://journal.frontiersin.org/Journal/10.3389/fnins.2016.00127/full
work_keys_str_mv AT manuelaebasso extracellularvesiclesandanovelformofcommunicationinthebrain
AT valentinaebonetto extracellularvesiclesandanovelformofcommunicationinthebrain