Alright, Michael, I get the idea. Stem cell works; and I believe you even without this article: Stem Cells Mend Spinal Cords from Wired. Convince your Religious Rights and Evangelical White House this and the world will be a better place.
This study shows that stem cells collected from rat embryos can be grown into specialized cells by producing a special chemical called growth factor which helps myelin attach on to nerve fibers for better conductivity of nerve signals.
But this still goes to the core of the question: Do stem cells collected from the umbilical cord blood work just as well?