Stem cell Advance roundup : restoring hearing, fixing spinal cords, fixing hearts and more
1. Researchers have created healthy stem cells from adult cells–no embryo required and no side effects. Until now, however, creating iPS [induced pluripotent stem] cells without integrated viruses had been a major hurdle for stem-cell researchers. Although Hochedlinger has overcome that hurdle, he says there is still some distance to travel. While retroviral techniques allow …