Cited by 36Extracellular vesicles in diseaseNanoparticle-Based Drug DeliveryCaveolin-1 and cellular processes

A new diagnostic tool for brain disorders: extracellular vesicles derived from neuron, astrocyte, and oligodendrocyte

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Wang, Xueying, Yang, Huihui, Liu, Chunyu, Liu, Kefu·2023·Frontiers in Molecular Neuroscience

Abstract

Brain disorders are the leading cause of disability worldwide, affecting people’s quality of life and causing economic burdens. The current clinical diagnosis of brain disorders relies solely on individual phenotypes and lacks accurate molecular biomarkers. An emerging field of research centers around extracellular vesicles (EVs), nanoscale membrane vesicles which can easily cross the blood–brain barrier. EVs in the blood are derived from various tissues, including the brain. Therefore, purifying central nervous system (CNS)-derived EVs from the blood and analyzing their contents may be a relatively non-invasive way to analyze brain molecular alterations and identify biomarkers in brain disorders. Recently, methods for capturing neuron-derived EVs (NDEs), astrocyte-derived EVs (ADEs), and oligodendrocyte-derived EVs (ODEs) in peripheral blood were reported. In this article, we provide an overview of the research history of EVs in the blood, specifically focusing on biomarker findings in six major brain disorders (Alzheimer’s disease, Parkinson’s disease, schizophrenia, bipolar disorder, depression, and autism spectrum disorder). Additionally, we discuss the methodology employed for testing CNS-derived EVs. Among brain disorders, Alzheimer’s disease has received the most extensive attention in EV research to date. Most studies focus on specific molecules, candidate proteins, or miRNAs. Notably, the most studied molecules implicated in the pathology of these diseases, such as Aβ, tau, and α-synuclein, exhibit good reproducibility. These findings suggest that CNS-derived EVs can serve as valuable tools for observing brain molecular changes minimally invasively. However, further analysis is necessary to understand the cargo composition of these EVs and improve isolation methods. Therefore, research efforts should prioritize the analysis of CNS-derived EVs’ origin and genome-wide biomarker discovery studies.

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Authors
Wang, X., Yang, H., Liu, C., & Liu, K.
Affiliations
Central South University (CN)
Corresponding author
Liu, Kefu
Venue
Frontiers in Molecular Neuroscience
Published
2023-08-09
Volume
16
Pages
1194210-1194210
ISSN
1662-5099 (ISSN-L)
OpenAlex
W4385703405
Cited by
36
References
98
Citations by year
2026: 11 · 2025: 16 · 2024: 9
FWCI
0.95
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Molecular Neuroscience (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Central South University
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Extracellular vesicles in disease
  • Physical Sciences › Materials Science › Biomaterials › Nanoparticle-Based Drug Delivery
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Caveolin-1 and cellular processes
Keywords
extracellular vesicles, blood-based biomarkers, brain disorders, neuron-derived extracellular vesicles, Alzheimer's disease, Parkinson's disease, schizophrenia, bipolar disorder, depression, autism spectrum disorder, amyloid-beta, tau protein, alpha-synuclein, microRNA, EV isolation methods, non-invasive diagnosis

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