CRISPR-Cas9, the gene editing tool, might cause cancer. Why does Crispr present difficulties in humans?

Editing cells’ genomes with CRISPR-Cas9  might increase the risk that the altered cells, intended to treat disease, will trigger cancer, two studies published on Monday warn [2018, Jun 11]— a potential game-changer for the companies developing CRISPR-based therapies. (Begley,...