Exosomes are extracellular microparticles (≈30–100 nm in diameter) secreted from nearly all types of
cells, containing a whole set of biological information including proteins, ribonucleic acid (RNA) and lipids.
Latest studies show that exosomes contribute to cell-cell communication and are considered closely related with
the modulation of angiogenesis and neurogenesis in many neurological diseases. In the past decade, numerous
researchers were devoted to exosomes study, but the mechanism of exosomes function and delivery is uncertain.
In this review, we summarized several potential mechanisms of exosomes function in angiogenesis, neurogenesis
and Blood Brain Barrier (BBB) delivery, and differentiate various sources of exosomes in stroke, tumor, Traumatic
Brain Injury (TBI) and Alzheimer's Disease (AD) aimed to report the most advanced mechanical theories in
related past three years to provide a new sight for this research area.
Keywords: Exosomes, neurological diseases, biomarkers, angiogenesis, neurogenesis, blood brain barrier.
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