Dogs with spinal cord injuries who received stem cell injections were able to walk again, British researchers report. Stem cells derived from olfactory ensheathing cells appeared to trigger nerve regeneration across short distances in the spinal cords of the dogs, restoring function to the hind limbs of some of them. "This is not a cure for spinal cord injury in humans -- that could still be a long way off. But this is the most encouraging advance for some years and is a significant step on the road towards it," said physician Geoffrey Raisman of University College London.
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