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. Author manuscript; available in PMC: 2020 May 1.
Published in final edited form as: Mayo Clin Proc. 2019 May;94(5):892–905. doi: 10.1016/j.mayocp.2019.01.001

Figure.

Figure.

Putative MSC mechanisms of action to treat neurodegenerative diseases: 1) growth factor secretion, 2) neuroinflammation attenuation, and 3) exosome and miRNA secretion.

GDNF = glial cell-derived neurotrophic factor, IDO = Indoleamine-2,3-dioxygenase, miRNA = microRNA, PGE = prostaglandin, TGFB1 = transforming growth factor beta 1, Treg = Regulatory T cell, VEGF = vascular endothelial growth factor.