The Gene Mutation That Protects Against Hiv Could Also Shorten Lives
In the fall of 2018, He Jiankui astonished geneticists and bioethicists worldwide when he announced the birth of twin girls Nana and Lulu. He and his team altered their genomes using the relatively easy-to-use gene-editing technique known as CRISPR when they were embryos. This marked the first such babies born in the world to have their genomes altered in this way. He’s stated intent in editing their embryos was to replicate a mutation that exists in just 11 percent of Northern Europeans, on a specific piece of a gene known as CCR5....