
Human cardiac stem cells are used to ameliorate symptoms of chronic heart failure in rats
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Administration of CRISPR-edited heart cells increased survival and increased locomotion in rats with chronic heart failure. Human testing of the technology could occur within a few years.
Chronic heart failure, the inability of the heart to pump blood effectively around the body, is a leading cause of death worldwide. For most people, this long-term condition with slow, weak heart contractions cannot be cured, but its symptoms include: