Jasper is just one of the injured dogs that this research team has been able to help walk following an injection of nasal cells:
It's an exciting study. I do have to point out that the olfactory ensheathing cells used in this study are not actually stem cells, though a lot of news reports have stated that they are.
It's worth remembering that it took decades of research - mostly in rats - to take this technique to the point where it could be assessed in a veterinatry trial http://speakingofresearch.com/2012/11/19/paralysed-dogs-walk-again-than…
Too often people see the dramatic headline, but not the years of hard graft that led to the breakthrough.