A single injection of a new, experimental form of self-amplifying RNA prolonged hormone synthesis for many weeks, healing the heart in pigs.

Scientists have shown that a single injection of self-amplifying RNA, delivered into skeletal muscle rather than the heart itself, can trigger weeks of sustained hormone production that protects ...

In a New York operating room one day in October 2025, doctors made medical history by transplanting a genetically modified pig kidney into a living patient as part of a clinical trial. The kidney had ...