MAPK3/1 (ERK1/2) in Ovarian Granulosa Cells Are Essential for Female Fertility

Author:

Fan Heng-Yu1,Liu Zhilin1,Shimada Masayuki2,Sterneck Esta3,Johnson Peter F.4,Hedrick Stephen M.5,Richards JoAnne S.1

Affiliation:

1. Department of Molecular and Cellular Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA.

2. Department of Applied Animal Science, Graduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima, 739-8528, Japan.

3. Laboratory of Cell and Developmental Signaling, Center for Cancer Research, National Cancer Institute–Frederick, Frederick, MD 21702–1201, USA.

4. Basic Research Laboratory, Center for Cancer Research, National Cancer Institute–Frederick, Frederick, MD 21702–1201, USA.

5. Molecular Biology Section, Division of Biological, Sciences and Department of Cellular and Molecular Medicine, University of California, San Diego, La Jolla, CA 92093, USA.

Abstract

Regulating Oocyte Maturation Understanding exactly how ovarian follicles mature to generate fertile eggs is key to many aspects of fertility treatment. When the pituitary surge of luteinizing hormone (LH) binds to its receptor on granulosa cells of preovulatory follicles, a cascade of signaling events triggers granulosa cells to become luteal cells and the oocyte to resume meiosis. Fan et al. (p. 938 ; see the Perspective by Duggavathi and Murphy ), using the mouse as a model system, targeted disruption of the kinases ERK1 and ERK2 selectively in granulosa cells. The kinases were essential in vivo mediators of LH induction of ovulation and luteinization.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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