Jasper was one of 34 dogs with paralyzed hind legs to participate in a randomized, double-blind study at Cambridge University in London. Researchers first collected olfactory "ensheathing" cells from the dogs' noses, cultured them in Petri dishes for three to five weeks and then injected them into the dogs' spines. Researchers assessed the dogs' mobility on treadmills before and after treatment, discovering that the cells didn't restore communication between the brain and the hind legs, but somehow restored mobility and coordination to the legs.

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