胚胎编辑“首例”比头条新闻所暗示的更为复杂

An embryo editing ‘first’ is more complicated than headlines suggest Scientists may have a better way to make gene-edited babies, but it’s still far from safe JOHN TRAVIS O n the evening of 4 June, The New York Times posted an online story with a dramatic headline: “In a First, Scientists Precisely Edit Human Embryo Genes.” Others quickly echoed the claim, reigniting a simmering debate over whether it’s safe, ethical, and worthwhile to create gene-edited babies. But the reality of the reported advance, an effort to improve the use in embryos of an approach called base editing, is more subtle than many stories suggested. …