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Abstract
Gene therapy carries the potential to treat more than 10,000 human monogenic diseases
and benefit an even greater number of complex polygenic conditions. The repurposing
of CRISPR/Cas9, an ancient bacterial immune defense system, into a gene-editing technology
has armed researchers with a revolutionary tool for gene therapy. However, as the
breadth of research and clinical applications of this technology continues to expand,
outstanding technical challenges and ethical considerations will need to be addressed
before clinical applications become commonplace. Here, we review CRISPR/Cas9 technology
and discuss its benefits and limitations in research and the clinical context, as
well as ethical considerations surrounding the use of CRISPR gene editing.