Stem cell-derived exosomes as therapeutic approach for neurodegenerative disorders: from biology to biotechnology

The aging population has contributed to the rapid rise in the global incidence of neurodegenerative diseases. Despite the medical advances, there are no effective treatments for these disorders. Therefore, there is an urgent need for new treatments for these diseases. In this sense, cell therapy has been recognized as the best candidate for treating incurable diseases, such as neurodegenerative disorders. However, the therapeutic use of these cells can be limited by several factors. Thus, there has been a rediscovery that extracellular vesicles, including exosomes, can be alternatively explored in the treatment of these diseases, overcoming the limits of cell-based therapy. In this sense, this review aims to revisit all areas from biology, including biogenesis and the content of exosomes, to biotechnology, proposing the minimal information required to isolate, characterize, and study the content of these vesicles for scientific and/or clinical purposes.
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neurodegenerative diseases;  extracellular vesicles;  exosomes;  stem cell;  cell-free therapy

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Araldi RP, D’Amélio F, Barros HV, Melo TC, Kerkis I. Stem cell-derived exosomes as therapeutic approach for neurodegenerative disorders: from biology to biotechnology. Cells. 2020 Dec;9(12):2663. doi:10.3390/cells9122663.
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