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LiveScience
LiveScience
Eva Amsen

A single injection of mRNA-like treatment healed heart muscle after a heart attack in mice and pigs. Could it work in humans too?

Heart Attack United States Live Science
An illustration of a heart.

A single shot of self-amplifying RNA can repair tissue damage from a heart attack, new research in pigs and mice shows.

It can take weeks or months to recover from a heart attack, but the new study explored a novel way to boost the production of a natural heart-repairing hormone with a single injection. Although the shot hasn't been tested in humans yet, researchers believe it could one day offer hope for a faster recovery.

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