Researchers say their experimental gene therapy was able to partially restore a man’s eyesight 40 years after he lost most of his vision. The findings are exciting, but the authors of the new study caution that more research will be needed to confirm the effectiveness of this treatment.
This is wild. Chasing the elusive dream of curing paralysis, a team of scientists used stem cells and optogenetics to circumvent the central motor system of lab mice whose nerves had been cut. This enabled them to blast individual motor neurons with a laser, triggering movement in the legs of the mice.