Researchers applied a newly developed editing tool, a CRISPR/Cas9 system extended by one enzyme, to target and correct genetic mutations in the livers of adult mice to completely heal the mice suffering from phenylketonuria, a genetic metabolic disorder that also affects humans.

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Researchers applied a newly developed editing tool, a CRISPR/Cas9 system extended by one enzyme, to target and correct genetic mutations in the livers of adult mice to completely heal the mice suffering from phenylketonuria, a genetic metabolic disorder that also affects humans.