Eggs have own biological clock
Aging mechanisms in worms’ reproductive cells differ compared with rest of body
By Tina Hesman Saey, 16:01 PM December 6, 2011
DENVER — Egg cells age differently than cells in the rest of the body, a new study shows.
The finding, from experiments with roundworms presented December 5 at the annual meeting of the American Society for Cell Biology, might one day lead to ways to predict how long women will stay fertile or even to extend a woman’s fertile years.
Princeton University biologist Coleen Murphy and her colleagues study aging in the roundworm, Caenorhabditis elegans. The worms typically live for about 21 day...
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