Previous work has shown that ES - derived RPE cells can
develop teratomas [65], although not in all cases [42].
Another challenge is producing stem - cell - derived tissues or organs that don't
develop teratomas — tumors that contain a variety of tissues found in different organs — when transplanted.
Not exact matches
A lower dose of the drug was not immediately lethal, the scientists report today in Nature, but the animals
developed tumors that arise from pluripotent cells called
teratomas.