Study shows that cardiac spheroids, derived from human induced pluripotent stem cells, can be easily transported and injected into damaged areas of the heart to promote its regeneration and recovery ...

Regenerative heart therapies involve transplanting cardiac muscle cells into damaged areas of the heart to recover lost function. However, the risk of arrhythmias following this procedure is ...

Heart failure is a leading cause of death and disability. Unfortunately, this affects millions of individuals and their loved ones. Ineffective heart function can lead to shortness of breath, fatigue, ...

When a muscle contracts, the parts of a sarcomere "shorten" and come closer together. Each cardiac muscle cell can have over 5,000 sarcomeres, which compounds both the shortening and relaxation events ...

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 ...

Anatomically, cardiac rupture occurs at the intersection between injured and healthy cardiac tissue. This region is referred to as the borderzone. The conventional view is that increased mechanical ...

This story is from The Pulse, a weekly health and science podcast. Find it on Apple Podcasts, Spotify, or wherever you get your podcasts. To Sian Harding, the heart is a “marvel of construction”. The ...

Scientists say they’ve found cells in the hearts of mice that can make new muscle after a heart attack, raising hopes that doctors can one day help the human heart repair itself. In an embryo the ...

Injecting human cardiac muscle cells into monkeys that suffered heart attacks helped the animals’ damaged hearts pump blood better, researchers report July 2 in Nature Biotechnology. The treatment is ...