A strange thing happened weeks before the Food and Drug Administration approved the first treatment made with CRISPR gene editing, an all-but cure for certain patients with sickle cell disease. CRISPR Therapeutics, the biotech that co-developed the therapy, laid off about 50 employees. “Everyone was dumbfounded,” said a scientist who was let go.
It was one early sign that, for all the public accolades, the CRISPR revolution wasn’t exactly going according to plan.
The gene editing tool, wrested out of bacteria 13 years ago by a fractious group of biochemists, was supposed to change medicine. Excitement surged through boardrooms, patient communities, and the press. No less an authority than a Nobel Prize committee announced, in 2020, that CRISPR “may make the dream of curing inherited diseases come true.” Billions were spent chasing that vision, along with treatments for cancer and other non-hereditary diseases, such as HIV.
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