CRISPR/Cas9 can reverse multiple diseases in mice
New use for the genetic tool turns genes on instead of snipping them
![mouse muscle fibers](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/12/120617_TS_CRISPR_feat.jpg?fit=860%2C460&ssl=1)
PUMP IT UP A new type of CRISPR/Cas9-based gene therapy turned on muscle-building genes in mice that have muscular dystrophy. Muscle fibers (magenta) from mice that got the therapy (right) were bigger than fibers from untreated animals (left).
H.-K. Liao et al/Cell 2017