Saving eyesight, one gene at a time.

Abstract excerpt

Kai Yao's group used prime editing to repair a blindness-causing mutation in the Pde6b gene in the mouse retina. This breakthrough was made possible by a Cas9 nickase that is not constrained by a protospacer adjacent motif (PAM) sequence requirement. This innovation brings prime editing technology one step closer to correcting disease-causing mutations at will.

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