Health
Reversal of biological clock restores vision in old mice – Nature.com
‘Reprogramming’ approach seems to makes old cells young again.

Mice with retinal-nerve damage can have their vision restored through cell reprogramming.Credit: Qilai Shen/Bloomberg/Getty
Researchers have restored vision in old mice and in mice with damaged retinal nerves by resetting some of the thousands of chemical marks that accumulate on DNA as cells age. The work, published on 2 December in Nature1, suggests a new approach to reversing age-related decline, by reprogramming some cells to a younger state in which they are better able to repair or replace…
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