In many situations, heart muscle cells do not respond to external stresses in the same ways that skeletal muscle cells do. But under some conditions, heart and skeletal muscles can both waste away at fatally rapid rates, ...
Jun 24, 2021
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It is estimated that during a heart attack, one billion cells in the heart are lost. In the wake of the heart attack, the lost tissue is replaced by scar tissue, which can lead to heart failure, arrhythmia and death. In a ...
Jun 02, 2021
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In a large-animal study, researchers have shown that heart attack recovery is aided by injection of heart muscle cells derived from human induced pluripotent stem cell line, or hiPSCs, that overexpress cyclin D2. This research, ...
May 14, 2021
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Blood may seem like a simple fluid, but its chemistry is complex. When too much potassium, for instance, accumulates in the bloodstream, patients may experience deadly irregular heart rhythms.
May 04, 2021
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Scientists at the Victor Chang Cardiac Research Institute in Sydney have discovered a critical new gene that it is hoped could help human hearts repair damaged heart muscle after a heart attack.
Apr 08, 2021
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Researchers have shown that tiny lasers integrated into heart muscle cells or tissue can be used to acquire high-resolution measurements of contractility in heart muscle cells, live zebrafish and living heart tissue at locations ...
Apr 07, 2021
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Scientists at the University of Virginia School of Medicine have identified a potential way to head off heart attacks and strokes by strengthening the fibrous caps overlying atherosclerotic plaques that naturally accumulate ...
Mar 24, 2021
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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 ...
Mar 02, 2021
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Cardiovascular disease remains the number one cause of death globally. Unfortunately, the heart cannot regenerate new tissue, because the cardiomyocytes, or heart muscle cells, do not divide after birth.
Mar 02, 2021
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Inflammation is part of an immune response to fight off pathogens and clear infections. But patients with cardiac disease often have chronic inflammation that damages their hearts, even with no infection present.
Feb 03, 2021
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