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In a process that can be likened to the creation of GMO crops, scientists have edited genes in human embryos in order to eliminate a mutation that causes thickening of the heart wall. The embryos were created solely for the scientists’ study and will not be implanted. Nonetheless, the research offers hope that in years ahead, science could prevent many serious genetic diseases at the stage in which people are a microscopic cluster of cells in a petri dish. What’s more, because those edited genes would be carried forth into new generations, the disease might eventually be eliminated altogether.
Is this a glorious new frontier or a troubling situation? Unequivocally, the answer is yes to both.
The research results by an international team of U.S., Chinese and South Korean scientists were enormously exciting medically. Beyond the technical achievement involved, the team’s work hastened the arrival of a revolutionary form of treatment: removing genes that can lead inexorably to suffering and premature death.
But there is also a great deal we still don’t know about how minor issues might become major...