Browsing the internet (how weird I NEVER do that... ) I came accross the following article which seemed very interesting. Here are the Links and some movie clips from Allie the Boxer, who's story was well illustrated.
http://www.dogbreedinfo.com/Video/StemCellTherapyAllieBefore.mov
http://www.dogbreedinfo.com/Video/StemCellTherapy2halfMonthsLaterAllieBoxerDog.mov
http://www.dogbreedinfo.com/care/stemcelltherapy.htm
http://www.vet-stem.com/smallanimal/