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Article

A Progestin and an Estrogen Regulate Early Stages of Oogenesis in Fish1

8 Aug 2007

Abstract excerpt

Using two species of teleost fish, Japanese huchen (Hucho perryi) and common carp (Cyprinus carpio), we investigated whether sex steroids are involved in early oogenesis in vitro. Ovarian fragments were cultured to examine the effects of a progestin, 17alpha, 20beta-dihydroxy-4-pregnen-3-one (DHP), and an estrogen, estradiol-17 beta (E2). DHP and E2 significantly promoted DNA synthesis in ovarian germ cells, as...

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PMID: 17687117
DOI: 10.1095/biolreprod.107.061408

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