News and Views


Focus on Reproductive Biology

Nature Medicine 14, 1192 - 1193 (2008)
doi:10.1038/nm1108-1192

Two faces of PTEN

Takiko Daikoku1 & Sudhansu K Dey1

  1. Takiko Daikoko and Sudhansu K. Dey are in the Division of Reproductive Sciences, Cincinnati Children's Research Foundation, 3333 Burnet Avenue, Cincinnati, Ohio 45229, USA.
    e-mail: sk.dey@cchmc.org


A small number of women (approximately 1%) suffer from premature ovarian failure in which their ovarian follicle reserve is exhausted before age 40. Recent studies in mice show that the absence of a tumor suppressor gene, PTEN, in oocytes prematurely induces global follicular activation, depleting the follicle reserve in a manner similar to premature ovarian failure.

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