The two Chinese twins, born last year on the basis of genetically engineered embryos using CRISPR technology, are likely to have unforeseen mutations in their genomes, France Press reported.

This was stated by a journalist who obtained an unpublished version of the experiment-related study. The news of the experiments shocked the world in November 2018. Scientist He Jiankui revealed in Hong Kong that he modified embryos as part of in vitro fertilization for a couple to try to create a genomic mutation that would provide immunity to the AIDS virus.

It is a procedure for which there is no medical justification, since there are technologies that prevent the infection by a seropositive father. After their birth, the two twins were given the pseudonyms Lulu and Nana, but remained anonymous, as were their parents. A MIT Technology Review journalist has obtained a manuscript of the study, which He Jiankui tried to publish in prestigious scientific journals, detailing his method and results.

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