A new multi-centre study led by the University of California provides the first evidence of the medium-term to long-term safety and tolerability of transplanting human embryonic stem cells (hESCs) in humans.  The opensource study is published in The Lancet. Human embryonic stem cell (hESCs) transplants used to treat severe vision loss in 18 patients with different forms of macular degeneration appeared safe up to 3 years … Continue reading First report of long-term safety of human embryonic stem cells to treat human disease.