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Stem Cells Get Real

机译:干细胞变得真实

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It was only ten years ago that James thomson, An unassuming biologist at the university of Wisconsin, grew the first human embryonic stem cells in a lab. Few discoveries before or since have inspired more hype (they regrow spines!) or rancor (it's murder of unborn babies!). The controversy isn't going away, but it is obscuring the fact that the science is finally hitting its stride. Stem cells are dormant cells behind growth and healing in the body. Most can create only a specific body part such as blood, bone, brain or heart. Embryonic stem cells can become any kind of cell you want them to be. The problem was you had to destroy an embryo to create them. Last year brought the sudden discovery that human adult skin cells can be reprogrammed into cells just as potent as embryonic stem cells, with no embryos harmed.
机译:仅仅十年前,威斯康星大学一位谦逊的生物学家詹姆斯·汤姆森(James thomson)在实验室里培育出了第一批人类胚胎干细胞。在此之前或之后,很少有发现激发了更多的炒作(他们长大的长刺!)或兰科(这是对未出生婴儿的谋杀!)。争议并没有消失,但它掩盖了科学终于大步向前的事实。干细胞是在人体中生长和愈合后的休眠细胞。大多数只能创建特定的身体部位,例如血液,骨骼,大脑或心脏。胚胎干细胞可以成为您想要的任何类型的细胞。问题是您必须摧毁一个胚胎才能创建它们。去年突然发现,可以将人类成年皮肤细胞重编程为与胚胎干细胞一样强大的细胞,而不会损害胚胎。

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