EurekAlert! -- Tampa, Fla. (December 28, 2009) – Researchers from the University of Hong Kong and the Massachusetts Institute of Technology have published a study in the current issue of Cell Transplantation (18:9), now freely available on line at http://www.ingentaconnect.com/content/cog/ct, that explores ways to successfully keep stem cells “forever young” during implantation by slowing their growth, differentiation and proliferation.