Diseases, Conditions, Syndromes

COVID-19 can kill heart muscle cells, interfere with contraction

Since early in the pandemic, COVID-19 has been associated with heart problems, including reduced ability to pump blood and abnormal heart rhythms. But it's been an open question whether these problems are caused by the virus ...

Medical research

'Missing culprit' in heart failure identified

Working with lab animals and human heart cells, scientists from Johns Hopkins and other institutions have identified what they describe as "the long-sought culprit" in the mystery behind a cell-signaling breakdown that triggers ...

Cardiology

Matters of the heart: Researchers create 3-D beating heart

Matters of the heart can be complicated, but York University scientists have found a way to create 3D heart tissue that beats in synchronized harmony, like a heart in love, that will lead to better understanding of cardiac ...

Cardiology

3-D-printed patch can help mend a 'broken' heart

A team of biomedical engineering researchers, led by the University of Minnesota, has created a revolutionary 3D-bioprinted patch that can help heal scarred heart tissue after a heart attack. The discovery is a major step ...

Cardiology

Finding suggests ways to promote adult heart tissue regeneration

Injured hearts do not heal themselves. Heart muscle cells, or cardiomyocytes, do not proliferate as much as necessary to replace dead tissue with new, pumping cells. Consequently, most people who had a severe heart attack ...

Medical research

Heart cells can rejuvenate and multiply to heal damage

UT Southwestern Medical Center scientists have discovered a protein that works with others during development to put the brakes on cell division in the heart, they report today in Nature. The findings could eventually be ...

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