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12/04/2015

Exploring the Future of Gene Editing

by Christopher Thomas Scott

In April 2015 a team of Chinese scientists reported in a little known journal, Protein & Cell, the use of CRISPR/Cas9 to cleave and then repair the HBB gene in nonviable human embryos. The mutated form of HBB causes B-thalassemia, a potentially fatal blood disease. To say the experiment prompted controversy is an understatement. It was published on the heels of two high-profile commentaries in Nature and Science, both of which urged caution about using CRISPR/Cas9 and other technologies to edit the human germline; the Nature authors went so far as to recommend a stop of experiments precisely like the one reported in Protein & Cell.…

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