For that matter, even when perfected, this method will always involve the destruction of a human embryo, the one whose nucleus is removed. (firstthings.com)
However, it's far too early to see the approach as a way to avoid the use of human embryos for research or potential treatments. (uofmhealth.org)
Now we know more, and while the paper demonstrates the possibility of genome editing of human embryos, it raises more questions than it answers. (slate.com)