Purification of Oogonial Stem Cells From Adult Mouse and Human Ovaries: An Assessment of the Literature and a View Toward the Future

Contemporary claims that mitotically active female germ line or oogonial stem cells (OSCs) exist and support oogenesis during postnatal life in mammals have been debated in the field of reproductive biology since March 2004, when a mouse study posed the first serious challenge to the dogma of a fixe...

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Bibliographic Details
Published in:Reproductive sciences (Thousand Oaks, Calif.) Calif.), 2013-01, Vol.20 (1), p.7-15
Main Authors: Woods, Dori C., White, Yvonne A. R., Tilly, Jonathan L.
Format: Article
Language:English
Subjects:
Animals
Cell Separation - methods
Cell Separation - trends
Embryology
Female
Flow Cytometry - methods
Flow Cytometry - trends
Forecasting
Humans
Medicine & Public Health
Mice
Obstetrics/Perinatology/Midwifery
Oogonia - physiology
Ovary - cytology
Ovary - physiology
Reproductive Medicine
Reviews
Stem Cells - physiology
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Summary:Contemporary claims that mitotically active female germ line or oogonial stem cells (OSCs) exist and support oogenesis during postnatal life in mammals have been debated in the field of reproductive biology since March 2004, when a mouse study posed the first serious challenge to the dogma of a fixed pool of oocytes being endowed at birth in more than 50 years. Other studies have since been put forth that further question the validity of this dogma, including the isolation of OSCs from neonatal and adult mouse ovaries by 4 independent groups using multiple strategies. Two of these groups also reported that isolated mouse OSCs, once transplanted back into ovaries of adult female mice, differentiate into fully functional eggs that ovulate, fertilize, and produce healthy embryos and offspring. Arguably, one of the most significant advances in this emerging field was provided by a new research study published this year, which reported the successful isolation and functional characterization of OSCs from ovaries of reproductive age women. Two commentaries on this latest work, one cautiously supportive and one highly skeptical, were published soon afterward. This article evaluates the current literature regarding postnatal oogenesis in mammals and discusses important next steps for future work on OSC biology and function.
ISSN:1933-7191
1933-7205
DOI:10.1177/1933719112462632