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

Summary by Live Science
Researchers boosted levels of a heart-healing hormone in mice and pigs with a single injection of a new, experimental form of self-amplifying RNA that prolonged hormone synthesis for many weeks.

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Live Science broke the news in United States on Monday, March 16, 2026.
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