New research may offer some hope to women whose fertility has been compromised by the side-effects of cancer therapy or by premature menopause.

In a new study, researchers from Monash University and Prince Henry’s Institute of Medical Research found that two proteins, PUMA and NOXA, cause the death of egg cells in the ovaries.

Blocking the activity of the proteins may lead to new strategies to protect women’s fertility.

They focused their studies on primordial follicle oocytes, egg cells which provide each woman’s lifetime supply of eggs. Low numbers of these egg cells can also cause early menopause. 
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