They reveal the secret of the longevity of oocytes and open a new way to treat infertility.


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A study explains the mechanism that allows reserves of immature eggs (oocytes) to survive for almost half a century in the case of humans.

ELVA (magenta) photographed inside a mouse oocyte Gabriele Zaffagnini/Center for Genomic Regulation


Updated at 8:54 p.m.

Egg cells, along with neurons, are the longest-lived cells in the body. From before birth, women have a reserve of eggs that they will use throughout their fertile life. These eggs, which can live for decades before being used, are…

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