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- Title
The Emerging Role of Pericyte-Derived Extracellular Vesicles in Vascular and Neurological Health.
- Authors
Sharma, Kushal; Zhang, Yunpei; Paudel, Keshav Raj; Kachelmeier, Allan; Hansbro, Philip M.; Shi, Xiaorui
- Abstract
Pericytes (PCs), as a central component of the neurovascular unit, contribute to the regenerative potential of the central nervous system (CNS) and peripheral nervous system (PNS) by virtue of their role in blood flow regulation, angiogenesis, maintenance of the BBB, neurogenesis, and neuroprotection. Emerging evidence indicates that PCs also have a role in mediating cell-to-cell communication through the secretion of extracellular vesicles (EVs). Extracellular vesicles are cell-derived, micro- to nano-sized vesicles that transport cell constituents such as proteins, nucleic acids, and lipids from a parent originating cell to a recipient cell. PC-derived EVs (PC-EVs) play a crucial homeostatic role in neurovascular disease, as they promote angiogenesis, maintain the integrity of the blood-tissue barrier, and provide neuroprotection. The cargo carried by PC-EVs includes growth factors such as endothelial growth factor (VEGF), connecting tissue growth factors (CTGFs), fibroblast growth factors, angiopoietin 1, and neurotrophic growth factors such as brain-derived neurotrophic growth factor (BDNF), neuron growth factor (NGF), and glial-derived neurotrophic factor (GDNF), as well as cytokines such as interleukin (IL)-6, IL-8, IL-10, and MCP-1. The PC-EVs also carry miRNA and circular RNA linked to neurovascular health and the progression of several vascular and neuronal diseases. Therapeutic strategies employing PC-EVs have potential in the treatment of vascular and neurodegenerative diseases. This review discusses current research on the characteristic features of EVs secreted by PCs and their role in neuronal and vascular health and disease.
- Subjects
EXTRACELLULAR vesicles; ENDOTHELIAL growth factors; FIBROBLAST growth factors; BRAIN-derived neurotrophic factor; CIRCULAR RNA; PERICYTES; PERIPHERAL nervous system
- Publication
Cells (2073-4409), 2022, Vol 11, Issue 19, p3108
- ISSN
2073-4409
- Publication type
Article
- DOI
10.3390/cells11193108