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Aging Cells Lose Their Grip on DNA Rogues, Brown University Study  
1/31/2013 7:30:43 AM

Transposable elements are mobile strands of DNA that insert themselves into chromosomes with mostly harmful consequences. Cells try to keep them locked down, but in a new study, Brown University researchers report that aging cells lose their ability to maintain this control. The result may be a further decline in the health of senescent cells and of the aging bodies they compose.