title: Extracellular Vesicles in Multiple Sclerosis: What are They Telling Us?
abstract: Extracellular vesicles (EVs) are membrane-bound particles secreted by almost all cell types. They are classified depending on their biogenesis and size into exosomes and microvesicles or according to their cell origin. EVs play a role in cell-to-cell communication, including contact-free cell synapsis, carrying active membrane proteins, lipids, and genetic material both inside the particle and on their surface. They have been related to several physiological and pathological conditions. In particular, increasing concentrations of EVs have been found in many autoimmune diseases including multiple sclerosis (MS). MS is a central nervous system (CNS) demyelinating disease characterized by relapsing of symptoms followed by periods of remission. Close interaction between endothelial cells, leukocytes, monocytes, and cells from CNS is crucial for the development of MS. This review summarizes the pathological role of EVs in MS and the relationship of EVs with clinical characteristics, therapy, and biomarkers of the disease.
authors.affiliation: Multiple Sclerosis Unit, Neuroscience Area, Biodonostia Health Research Institute , San Sebastián , Spain ; Spanish Network on Multiple Sclerosis , Madrid , Spain.
authors.forename: Matías
authors.initials: M
authors.lastname: Sáenz-Cuesta
authors.affiliation: Multiple Sclerosis Unit, Neuroscience Area, Biodonostia Health Research Institute , San Sebastián , Spain ; Spanish Network on Multiple Sclerosis , Madrid , Spain.
authors.forename: Iñaki
authors.initials: I
authors.lastname: Osorio-Querejeta
authors.affiliation: Multiple Sclerosis Unit, Neuroscience Area, Biodonostia Health Research Institute , San Sebastián , Spain ; Spanish Network on Multiple Sclerosis , Madrid , Spain.
authors.forename: David
authors.initials: D
authors.lastname: Otaegui
keywords: biomarker; exosomes; extracellular vesicle; microvesicle; multiple sclerosis; therapy
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