Postnatal Sex Reversal of the Ovaries in Mice Lacking Estrogen Receptors α and β

Author:

Couse J. F.1,Hewitt S. Curtis1,Bunch D. O.2,Sar M.3,Walker V. R.1,Davis B. J.4,Korach K. S.1

Affiliation:

1. Receptor Biology Section, Laboratory of Reproductive and Developmental Toxicology,

2. Laboratory of Reproductive Biology, Department of Cell Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.

3. Chemical Industry Institute of Toxicology, Research Triangle Park, NC 27709, USA.

4. Laboratory of Experimental Pathology, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709, USA.

Abstract

Mice lacking estrogen receptors α and β were generated to clarify the roles of each receptor in the physiology of estrogen target tissues. Both sexes of αβ estrogen receptor knockout (αβERKO) mutants exhibit normal reproductive tract development but are infertile. Ovaries of adult αβERKO females exhibit follicle transdifferentiation to structures resembling seminiferous tubules of the testis, including Sertoli-like cells and expression of Müllerian inhibiting substance, sulfated glycoprotein-2, and Sox9 . Therefore, loss of both receptors leads to an ovarian phenotype that is distinct from that of the individual ERKO mutants, which indicates that both receptors are required for the maintenance of germ and somatic cells in the postnatal ovary.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference41 articles.

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2. Fisher R., Graves K. H., Parlow A. F., Proc. Natl. Acad. Sci. U.S.A. 95, 6965 (1998);

3. Robertson K. M., et al., Proc. Natl. Acad. Sci. U.S.A. 96, 7986 (1999).

4. Couse J. F., Korach K. S., Endocr. Rev. 20, 358 (1999).

5. αβERKO mice were generated by breeding heterozygous mice from the previously described αERKO and βERKO lines [

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