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Transplantation of human olfactory ensheathing cells elicits remyelination of demyelinated rat spinal cord

✍ Scribed by Takaaki Kato; Osamu Honmou; Teiji Uede; Kazuo Hashi; Jeffery D. Kocsis

Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
621 KB
Volume
30
Category
Article
ISSN
0894-1491

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✦ Synopsis

Human olfactory ensheathing cells (OECs) were prepared from adult human olfactory nerves, which were removed during surgery for frontal base tumors, and were transplanted into the demyelinated spinal cord of immunosuppressed adult rats. Extensive remyelination was observed in the lesion site: In situ hybridization using a human DNA probe (COT-1) indicated a similar number of COT-1-positive cells and OEC nuclei within the repaired lesion. The myelination was of a peripheral type with large nuclei and cytoplasmic regions surrounding the axons, characteristic of Schwann cell and OEC remyelination. These results provide evidence that adult human OECs are able to produce Schwann cell-like myelin sheaths around demyelinated axons in the adult mammalian CNS in vivo. GLIA 30:209 -218, 2000.

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