Emerging Strategies for Genome Editing in the Brain.

Despite the unparalleled therapeutic promise of genome editing, its curative power is currently limited by the substantial difficulty in delivering DNA-cutting enzymes to the cells in need of correction. A recent study demonstrates the potential for the delivery of pre-assembled genome-editing enzymes in the form of ribonucleoprotein complexes, which were used to rescue a mouse model of fragile X syndrome (FXS).