Every system in a living organism depends upon a finite supply of energy in order to function. In humans, no organ is more energy-intensive than the brain, which consumes about 20% of the body's metabolic energy.
Jan 25, 2024
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The ability of a cell to divide, to proliferate, is essential for life and gives rise to the formation of complex organisms from a single cell. It also allows the replacement of used cells from a limited number of "stem" ...
Mar 17, 2023
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The key to understanding how the most aggressive lymphomas arise and resist current therapies may lie in mutations that disrupt a critical natural selection process among antibody-producing B cells, according to a multi-institutional ...
Jan 24, 2023
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Ketamine, a well-known anesthetic used in smaller doses as a party drug, was hailed as a "new hope for depression" in a Time magazine cover story in 2017. Two years later, the arrival of the first ketamine-based antidepressant—the ...
May 31, 2022
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By comparing chromosomes of different animal groups scientists at the University of Vienna led by Oleg Simakov and at the University of California made an astonishing discovery: Every animal species has almost the same chromosomal ...
Feb 3, 2022
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What do all the microbes living rent-free in your gut have to do with disease risk? Perhaps a lot.
Dec 19, 2021
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In a series of experiments that began with amoebas—single-celled organisms that extend podlike appendages to move around—Johns Hopkins Medicine scientists say they have identified a genetic pathway that could be activated ...
Apr 13, 2021
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Researchers at the Southwest National Primate Research Center (SNPRC) at Texas Biomedical Research Institute (Texas Biomed) may have found a new pathway to treat and control tuberculosis (TB), the disease caused by Mycobacterium ...
Feb 16, 2021
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It's still too soon to try to make genetically edited babies because the science isn't advanced enough to ensure safety, says an international panel of experts who also mapped a pathway for any countries that want to consider ...
Sep 3, 2020
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Cancer cells can turn on error-prone DNA copy pathways to adapt to cancer treatment, a breakthrough study published in the journal Science has revealed. Bacteria use the same process, termed stress-induced mutagenesis, to ...
Jun 4, 2020
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