"In mice" isn't the whole story here. "The authors found that OSK expression enhanced axon regrowth and cell survival in human neurons in vitro." Granted, tha

"In mice" isn't the whole story here. "The authors found that OSK expression enhanced axon regrowth and cell survival in human neurons in vitro." Granted, that's not actually restoring sight to an in vivo human patient just yet, but neither is it "in mice".