Cells from dogs' noses.
What do nose cells have to do with spinal cords? One thing that the olfactory system can do that other nerve fibers cannot, is to regenerate. In the nose, there are unique cells, olfactory ensheathing cells, which take care of the regeneration.
Transplanted to the spinal cord, they can do the same thing there.
|Cellular changes associated with the advance of the regenerating cut corticospinal tract axons (black) |
across lesions (grey) repaired with transplants of olfactory ensheathing cells.
Image Nature Reviews Neuroscience
That is seriously exciting stuff!
Dogs Paralyzed By Spine Damage Walk Again After Nose Cell Transplants
Nose cell transplant enables paralysed dogs to walk
Repair of neural pathways by olfactory ensheathing cells
Olfactory ensheathing cell biology