apr 6, 2016 - DNA of human embryos edited for the second time Location: The Third Affiliated Hospital of Guangzhou Medical University, China Method: CRISPR-Cas9 Journal: Journal of Assisted Reproduction and Genetics Type of embryo: non-viable human Outline: a gene which confers resistance to HIV was inserted into embryos Results: No off-target effects found (of the 28 sites examined). 46 embryos were injected with the CRISPR system. 26 embryos survived to the 8-cell stage, and only 4 successfully had the gene inserted.
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apr 6, 2016
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~ 9 years and 7 months ago