The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Sustainable engraftment of heart muscle cells (cardiomyocytes) can be achieved by implanting patches of engineered heart muscle onto the surface of the heart under immune suppression. Evidence from ...

New injection helps body produce heart protecting hormone for weeks after heart attack, improving recovery potential.

A single intramuscular injection of a self-amplifying RNA therapy produced weeks of heart-protective protein in rat models of myocardial infarction, according to a study published in Science on March ...

In a study published in Science, researchers reported that a single intramuscular injection helped mice and pigs recover ...

When someone suffers a heart attack, their heart is left permanently scarred and thus less capable of pumping blood. According to a new study, however, a protein injection could help undo such damage.

A new biomaterial delivered to the heart soon after a heart attack can heal damaged tissue from the inside out. Heart attacks kill cardiac muscle tissue, scarring the heart and leaving permanent ...

More than 800,000 Americans will have a heart attack this year. Fortunately, most will survive the traumatic event — but many will emerge with hearts damaged beyond repair. “Many tissues in your body, ...

Following a heart attack, the human body is incapable of repairing lost tissue due to the heart's inability to generate new muscle. However, treatment with heart progenitor cells could result in the ...