... will also remain intact throughout the life of the host recipient. It will be exciting and interesting for our readers to follow the recent developments in the field of stem cells and cell transplantation, ... in which they are infiltrated (Aggarwal et al., 2000). On the other hand, New Advances in Stem Cell Transplantation 90activation of endothelium, release of nitric oxide, vasodilation and ... development and graft-versus-leukemia activity as it promotes pro-inflammatory cytokine production – all this in murine models (Kappel et al., 2008). These data and others showing the importance of the...