期刊
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
卷 369, 期 1652, 页码 -出版社
ROYAL SOC
DOI: 10.1098/rstb.2013.0516
关键词
extracellular vesicles; exosomes; neurodegeneration; therapy; drug delivery
类别
资金
- UK MS Society
- Dutch MS society
- NWO
Homeostasis relies heavily on effective cell-to-cell communication. In the central nervous system (CNS), probably more so than in other organs, such communication is crucial to support and protect neurons especially during ageing, as well as to control inflammation, remove debris and infectious agents. Emerging evidence indicates that extracellular vesicles (EVs) including endosome-derived exosomes and fragments of the cellular plasma membrane play a key role in intercellular communication by transporting messenger RNA, microRNA (miRNA) and proteins. In neurodegenerative diseases, secreted vesicles not only remove misfolded proteins, but also transfer aggregated proteins and prions and are thus thought to perpetuate diseases by 'infecting' neighbouring cells with these pathogenic proteins. Conversely, in other CNS disorders signals from stressed cells may help control inflammation and inhibit degeneration. EVs may also reflect the status of the CNS and are present in the cerebrospinal fluid indicating that exosomes may act as bio-markers of-disease. That extracellular RNA and in particular miRNA, can be transferred by EV also indicates that these vesicles could be used as carriers to specifically target the CNS to deliver immune modulatory drugs, neuroprotective agents and anti-cancer drugs. Here, we discuss the recent evidence indicating the potential role of exosomes in neurological disorders and how knowledge 4 their biology may enable a Trojan-horse approach to deliver drugs into the CNS and treat neurodegenerative and other disorders of the CNS.
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