CRISPR gene editing is not quite as precise and as safe as thought https://www.newscientist.com/article/... “But in studies of mice and human cells, Bradley’s team has found that in around a fifth of cells, CRISPR causes deletions or rearrangements more than 100 DNA letters long. These surprising changes are sometimes thousands of letters long.”
Doctors In China Lead Race To Treat Cancer By Editing Genes https://www.npr.org/sections/health-s... “Now he's back at the hospital to get an experimental treatment. It involves using cells from his own immune system, known as T cells, after they have been taken out of his body and genetically altered in a lab by the gene-editing tool called CRISPR.”
2 new CRISPR tools overcome the scariest parts of gene editing https://www.vox.com/2017/10/25/165273... “With CRISPR/Cas9, the changes to the genome, or the cell’s recipe book, are permanent. You can’t undo them. With REPAIR, since researchers can target single bits of ephemeral RNA, the changes they make are transient, even reversible.”
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