Fergus Walsh, BBC News, 18 November 2012 Last updated at 19:51 ET
Jasper the dachshund walking again
Scientists have reversed paralysis in dogs after injecting them with cells grown from the lining of their nose.
The pets had all suffered spinal injuries which prevented them from using their back legs.
The Cambridge University team is cautiously optimistic the technique could eventually have a role in the treatment of human patients.
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