Generation of Schwann Cell-Derived Multipotent Neurospheres Isolated from Intact Sciatic Nerve
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Schwann cells (SCs) are the supporting cells of the peripheral nervous system and originate from the neural crest. They play a unique role in the regeneration of injured peripheral nerves and have themselves a highly unstable phenotype as demonstrated by their unexpectedly broad differentiation potential. Thus, SCs can be considered as dormant, multipotent neural crest-derived progenitors or stem cells. Upon injury they de-differentiate via cellular reprogramming, re-enter the cell cycle and participate in the regeneration of the nerve. Here we describe a protocol for efficient generation of neurospheres from intact adult rat and murine sciatic nerve without the need of experimental in vivo pre-degeneration of the nerve prior to Schwann cell isolation. After isolation and removal of the connective tissue, the nerves are initially plated on poly-D-lysine coated cell culture plates followed by migration of the cells up to 80 % confluence and a subsequent switch to serum-free medium leading to formation of multipotent neurospheres. In this context, migration of SCs from the isolated nerve, followed by serum-free cultivation of isolated SCs as neurospheres mimics the injury and reprograms fully differentiated SCs into a multipotent, neural crest-derived stem cell phenotype. This protocol allows reproducible generation of multipotent Schwann cell-derived neurospheres from sciatic nerve through cellular reprogramming by culture, potentially marking a starting point for future detailed investigations of the de-differentiation process.
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- Generation of Schwann Cell-Derived Multipotent Neurospheres Isolated from Intact Sciatic Nerve
Stem Cell Reviews and Reports
Volume 8, Issue 4 , pp 1178-1187
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- Humana Press Inc
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- Schwann cells
- Neural crest-derived stem cells
- Cellular reprogramming
- Industry Sectors
- Author Affiliations
- 1. Molecular Neurobiology, Department of Cell Biology Faculty of Biology, University of Bielefeld, Bielefeld, Germany
- 2. Department of Cell Biology, Faculty of Biology, University of Bielefeld, Bielefeld, Germany