A cord blood monocyte-derived cell therapy product accelerates brain remyelination.

Published online

Journal Article

Microglia and monocytes play important roles in regulating brain remyelination. We developed DUOC-01, a cell therapy product intended for treatment of demyelinating diseases, from banked human umbilical cord blood (CB) mononuclear cells. Immunodepletion and selection studies demonstrated that DUOC-01 cells are derived from CB CD14+ monocytes. We compared the ability of freshly isolated CB CD14+ monocytes and DUOC-01 cells to accelerate remyelination of the brains of NOD/SCID/IL2Rγnull mice following cuprizone feeding-mediated demyelination. The corpus callosum of mice intracranially injected with DUOC-01 showed enhanced myelination, a higher proportion of fully myelinated axons, decreased gliosis and cellular infiltration, and more proliferating oligodendrocyte lineage cells than those of mice receiving excipient. Uncultured CB CD14+ monocytes also accelerated remyelination, but to a significantly lesser extent than DUOC-01 cells. Microarray analysis, quantitative PCR studies, Western blotting, and flow cytometry demonstrated that expression of factors that promote remyelination including PDGF-AA, stem cell factor, IGF1, MMP9, MMP12, and triggering receptor expressed on myeloid cells 2 were upregulated in DUOC-01 compared to CB CD14+ monocytes. Collectively, our results show that DUOC-01 accelerates brain remyelination by multiple mechanisms and could be beneficial in treating demyelinating conditions.

Full Text

Duke Authors

Cited Authors

  • Saha, A; Buntz, S; Scotland, P; Xu, L; Noeldner, P; Patel, S; Wollish, A; Gunaratne, A; Gentry, T; Troy, J; Matsushima, GK; Kurtzberg, J; Balber, AE

Published Date

  • August 18, 2016

Published In

Volume / Issue

  • 1 / 13

Start / End Page

  • e86667 -

PubMed ID

  • 27699230

Pubmed Central ID

  • 27699230

International Standard Serial Number (ISSN)

  • 2379-3708

Digital Object Identifier (DOI)

  • 10.1172/jci.insight.86667

Language

  • eng

Conference Location

  • United States