http://www.bgdna.com/biotechnology/t...rkinson-s.html
here's a 2012 article expecting the transplants to start in 2012!
gives pretty good background on best results, some transplants were giving a benefit after 15 years. some were terrible.
this might be pie in the sky but i hope not.
http://www.med.lu.se/bagadilico/news_archive/transeuro
here's a comprehensive article on cell based therapies and pd
http://www.medscape.com/viewarticle/744503