An Israeli boy with the inherited disease ataxia telangiectasia apparently received neural stem cell treatments in Moscow a few years ago.
Now he has a brain tumor, Israeli physicians report in PLOS Medicine.
Critical quote from the paper:
“This is the first report of a human brain tumor developing from transplanted neural stem cells.”
Yow!
http://www.nature.com/news/2009/090217/full/457941a.html
Stem cell discussion at BIO convention « From Pipette to Pen said
[...] Someone on the panel (Gregory?) said he’d been to Beijing and was apprehensive about possible outcomes. But at the same time, some US companies may look to more flexible regulatory regimes as a way [...]