In a step toward the wider use of gene editing, a treatment that uses Crispr successfully slashed high cholesterol levels in a small number of people.
In a trial conducted by Swiss biotech company Crispr Therapeutics, 15 participants received a one-time infusion meant to switch off a gene in the liver called ANGPTL3. Though rare, some people are born with a mutation in this gene that protects against heart disease with no apparent adverse consequences.
The highest dose tested in the trial reduced both “bad” LDL cholesterol and triglycerides by an average of 50 percent within two weeks after treatment. The effects lasted at least 60 days, the length of the
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