Quote Originally Posted by ay2012 View Post
You can't on the one hand tote animal studies as suggestive of the potential for a therapy, as Dr. Young has done in the case of umbilical cord blood, and then wave off criticisms based on animal studies because we just don't know how humans will react.
Jim isn't reducing or marginalizing the importance of testing therapies on animals. Animals and humans have both similarities and differences. His greater point is this:
Quote Originally Posted by Jim View Post
And remember, this is a Phase II Safety Study. It is a huge deal that the surgery and injection of cells into the [human] spinal cord is safe. This in itself is a major step forward. Anything else is icing on the cake.