and to add to car's point, it is a recombinant protein produced in E.coli (the foundational bacteria on which biomedical research has been built). Easy to grow,

and to add to car's point, it is a recombinant protein produced in E.coli (the foundational bacteria on which biomedical research has been built). Easy to grow, easy to manipulate. We may not need cord-blood at all. Which is a good thing in terms of the potential ethical issues that will crop up.