Transplanting stem cells with "buddies" improves their chance of survival

From Stem Cells Freak. Are our researchers using this to keep our neurons alive? As compared to this possibility?
http://www.oc1dean.blogspot.com/2013/08/hydrogel-matrix-to-support-stem-cell.html

The new one here;
http://www.stemcellsfreak.com/2013/08/transplanting-stem-cells-with-buddies.html