Researchers mapped 442,239 single nuclei from nonfailing human hearts to chart how cardiac cells change from fetal ...

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 ...

Johns Hopkins Medicine researchers are collaborating with NASA to send human heart “tissue-on-a-chip” specimens into space as early as March. The project is designed to monitor the tissue for changes ...

Human heart cells and tissues grown in the laboratory from stem cells promise to accelerate the development of drugs and treatments for heart disease, but they currently take weeks or months to grow.

Johns Hopkins Medicine scientists who arranged for 48 human bioengineered heart tissue samples to spend 30 days at the International Space Station report evidence that the low gravity conditions in ...

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, ...

Researchers at the University Medical Center Göttingen (UMG) and the University Hospital of Schleswig-Holstein (UKSH) have made a significant breakthrough in the treatment of severe heart failure: For ...

Dr. Sharma described space as a yin-yang environment that both accelerates tissue aging and degradation and provides an ideal setting for growing more complex, three-dimensional heart tissues and ...

Reducing the damage sustained by the heart during a myocardial infarction remains one of the major challenges in cardiology, ...

When a sprinter explodes out of the blocks, the first few seconds of effort are powered not by oxygen or glucose but by phosphocreatine, a molecule that regenerates ATP faster than any other metabolic ...