In an eight-year study of more than 600 community-dwelling older adults, Johns Hopkins Medicine researchers say they have further linked levels of cell-free DNA (DNA fragments resulting from cell death) circulating in the ...
Jun 21, 2023
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Max Planck researchers have analyzed DNA from 728 sediment samples from Denisova Cave. Their study provides unprecedented detail about the occupation of the site by both archaic and modern humans over 300,000 years. The researchers ...
Jun 23, 2021
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A new discovery about pancreatic cancer sheds light on how the cancer fuels its growth and may help explain how promising cancer drugs work—and for whom they will fail.
Sep 26, 2019
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When cells die, whether through apoptosis or necrosis, the DNA and other molecules found in those cells don't just disappear. They wind up in the blood stream, where degraded bits and pieces can be extracted.
Jul 7, 2016
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The constant beating of the heart requires an enormous output of energy. To meet this demand, cardiomyocytes are loaded with mitochondria, organelles that generate the majority of energy for cells. These mitochondria are ...
Feb 25, 2016
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Mitochondria, the power generators in our cells, are essential for life. When they are under attack—from poisons, environmental stress or genetic mutations—cells wrench these power stations apart, strip out the damaged ...
Jan 14, 2016
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The power plants that fuel liver cells rapidly splinter when exposed to bile salts that aid digestion, prompting cell death, but blocking this excessive fission appears to protect the liver, scientists report.
Dec 22, 2014
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Mitochondria are often called cellular "powerhouses" because they convert nutrients into energy. But these tiny structures also help determine cellular lifespan. Scientists at Sanford-Burnham Medical Research Institute (Sanford-Burnham) ...
Nov 17, 2011
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