Extracellular vesicles in neurodegenerative diseases: A systematic reviewopen access
- Authors
- Raghav, Alok; Singh, Manish; Jeong, Goo-Bo; Giri, Richa; Agarwal, Saurabh; Kala, Sanjay; Gautam, Kirti Amresh
- Issue Date
- Nov-2022
- Publisher
- FRONTIERS MEDIA SA
- Keywords
- extracellular vesicles; neurodegenerative disease; therapeutics; biomarker; neurological disease
- Citation
- FRONTIERS IN MOLECULAR NEUROSCIENCE, v.15
- Journal Title
- FRONTIERS IN MOLECULAR NEUROSCIENCE
- Volume
- 15
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/86385
- DOI
- 10.3389/fnmol.2022.1061076
- ISSN
- 1662-5099
- Abstract
- Introduction: Extracellular vesicles (EVs) are known to have a significant role in the central nervous system (CNS) and neurodegenerative disease. Methods: PubMed, Scopus, ISI Web of Science, EMBASE, and Google Scholar were used to identify published articles about EV modifications (2012 to Feb 2022). Results: In total, 1,435 published papers were identified among the searched articles, with 1,128 non-duplicate publications being identified. Following the screening of titles and abstracts, 214 publications were excluded; following the full-text screening of 93 published articles, another 33 publications were excluded. The remaining 60 studies were considered. The kappa statistic of 0.868 indicated that the raters were highly reliable. Furthermore, the inter-reliability and intra-reliability coefficients were found to be 0.931 and 0.908, respectively, indicating strong reliability and consistency between the eligible studies identified by the raters. A total of 27 relevant studies demonstrated the role of EVs as therapeutic and diagnostic biomarkers in neurodegenerative diseases. Of note, 19 and 14 studies, respectively, found EVs to be pioneering in diagnostic and therapeutic roles. Discussion: EVs play an important role in the central nervous system (CNS), aiding in cell-to-cell communication and serving as a diagnostic marker and therapeutic target in a variety of neurodegenerative diseases. EVs are the home of several proteins [including-synuclein (-syn) and tau proteins], lipids, and genetic materials such as DNA and RNA. The presence of novel miRNAs in EVs suggests biomarkers for the diagnosis and screening of neurodegenerative disorders. Furthermore, EVs play an important role in the pathogenesis of such disorders. This systematic review discussed the current state of EVs' role in neurological diseases, as well as some preclinical studies on the therapeutic and diagnostic potential of EVs.
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