Rapid advances in stem cell biology have raised exciting possibilities of replacing damaged or lost tissues and cells by activation of in vitro-expanded stem cells or their progeny. This book examines many of the unresolved problems as well as future applications of regenerative medicine. Areas of focus include the nervous system and hippocampal neurogenesis, along with the functional significance of pro-inflammatory cytokines, and the production of free radicals after brain ischemia; the digestive and integumentary systems, dealing with hepatocyte transplantation, pancreatic regeneration,...