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Did CRISPR really fix a genetic mutation in these human embryos?

Researchers provide more evidence for their landmark claim that gene editing rid embryos of a disease mutation — but scientists are still arguing over the results.
  1. Ewen Callaway
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Biologists who last year made a blockbuster — but controversial — claim that they had fixed a disease-causing mutation in human embryos using CRISPR gene editing have released fresh evidence in support of their work. Critics argued that the researchers’ evidence wasn’t persuasive and that the feat did not seem biologically plausible, intensifying the existing controversy surrounding the use of gene editing in human embryos to prevent diseases.

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doi: https://doi.org/10.1038/d41586-018-05915-2

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