Is this a BIG advancement, or just some reiteration of old material? It sounds delightfully hopeful, but I'm also very willing to grasp at straws for my son.
This is another step along a very long pathway towards a real treatment. But at least it is another step. The more information that can be gathered about how muscle cells replicate the better. Each new piece of information brings us closer to the straw we are all clutching at!