MicroRNA drives cells' adaptation to low-oxygen living

Researchers have fresh insight into an evolutionarily ancient way that cells cope when oxygen levels decline, according to a new study in the October 7th issue of Cell Metabolism, a Cell Press publication. In studies of cells taken from the lining of human pulmonary arteries, they show that a microRNA - a tiny bit of RNA that regulates the activity of particular genes and thus the availability of certain proteins - allows cells to shift their metabolic gears, in a process known as the Pasteur effect...

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