First, I wouldn't hold my breath waiting for the cure. I was told pretty much the same thing 10 years ago when I was diagnosed.
Second, while Van Kampen's research is exciting to read, the first few words of the article are the key, "Given enough funding".
Third, a problem persist that many seem to consistently over look. Whether the cells are regenerated or implanted into the brain, what's to keep them from dieing off. They have not fixed the original problem that is causing the cells to die off in the first place. Therefore any regenerated or implanted cells will become "infected" (for the loss of a proper word) and die off as well.

GregD