Orwig says there are some concerns that implanting stem cells could reintroduce cancer cells that may have been present in the original tissue. (newscientist.com)
Two new studies document one reason why: Adult cells maintain a memory of their original tissue even after being reprogrammed into iPS cells. (sciencemag.org)
The implants vibrated and generated sound nearly as well as the original tissue, the researchers report today in Science Translational Medicine. (sciencemag.org)