A Reckless and Needless Use of Gene Editing on Human Embryos

November 28, 2018

(The Atlantic) – In contrast, He’s team disabled a normal gene in an attempt to reduce the risk of a disease that neither child had—and one that can be controlled. There are already ways of preventing fathers from passing HIV to their children. There are antiviral drugs that prevent infections. There’s safe-sex education. “This is not a plague for which we have no tools,” says Cannon. As Marilynn Marchione of the AP reports, early tests suggest that He’s editing was incomplete, and at least one of the twins is a mosaic, where some cells have silenced copies of CCR5 and others do not.

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