Stem-cell Biology editorial - FREE ACCESS
Natalie DeWitt
More than 30 years ago, neurologist Oliver Sacks wrote of the Parkinson's drug l-dopa: "It is impossible to avoid the feeling that here, over and above all legitimate enthusiasms, there is this special enthusiasm, this mysticism, of a magical sort."
It is striking how aptly these words describe the current enchantment with stem cells. Now, 25 years after scientists first isolated mouse embryonic stem cells, it is possible to isolate and culture stem cells from embryos and adult tissues of many species, including humans.