1999年,科学家对来自成年鼠大脑的干细胞有可能成为功能性造血细胞进行了报道。这引起了许多科学家的兴趣。现在,这些多功能细胞显示出了更为惊人的能力:当它们被注入胚胎时,它们几乎能发育成为各种类型的机体组织。多伦多Mant Sinai医院的生物进化学家Janet Ros-sant认为这的确引人注目。科学家为数十年的研究结果而感到惊讶:一旦演变开始,细胞会变得越来越特 In 1999, scientists reported that stem cells from the adult rat brain might become functional hematopoietic cells. This has aroused the interest of many scientists. Now, these multipurpose cells show even more amazing power: when they are injected into embryos, they can almost develop into various types of body tissues. Janet Ros-sant, a biochemist at Mant Sinai Hospital in Toronto, thinks this is compelling. Scientists are surprised by decades of research: as the evolution begins, cells become more and more special