In Rag2 − / − γc − / − mice, long - term engraftment of donor - derived HPCs was greater than 70 % mixed chimerism. (journals.plos.org)
So beginning in 2000, the University of Minnesota began a new approach: using stem cells from two umbilical cord blood sources, which increased the chances of engraftment in adults to 90 percent. (discovermagazine.com)
Long - term engraftment of the allogenic 129SvJ allografts in the MRL mice was observed in all chimeric recipients, but not that of third - party Balb / c allografts. (journals.plos.org)