Article
Granulosa cell ligand NPPC and its receptor NPR2 maintain meiotic arrest in mouse oocytes.
Science (New York, N.Y.) - 15 Oct 2010
Zhang Meijia, Su You-Qiang, Sugiura Koji, Xia Guoliang, Eppig John J
Abstract excerpt
Granulosa cells of mammalian Graafian follicles maintain oocytes in meiotic arrest, which prevents their precocious maturation. We show that mouse mural granulosa cells, which line the follicle wall, express natriuretic peptide precursor type C (Nppc) messenger RNA (mRNA), whereas cumulus cells surrounding oocytes express mRNA of the NPPC receptor NPR2, a guanylyl cyclase. NPPC increased cGMP levels in cumulus...
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