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Placenta produces progesterone and estradiol for maintaining pregnancy. Two critical enzymes are responsible for their production: 3β-hydroxysteroid dehydrogenase 1 (HSD3B1) that catalyzes the formation of progesterone from pregnenolone and aromatase that catalyzes the production of estradiol from testosterone. Fungicide ziram may disrupt the placental steroid production. In the present study, we...
Phthalates are associated with preterm delivery. However, the mechanism is unclear. Progesterone formed by 3β-hydroxysteroid dehydrogenase 1 (HSD3B1) and estradiol by aromatase (CYP19A1) in placenta are critical for maintaining pregnancy. In this study, we compared structure-activity relationships (SAR) of 14 phthalates varied in carbon atoms in alcohol moiety to inhibit human HSD3B1 in COS1 and CYP19A1...
Gossypol is a chemical isolated from cotton seeds. It exists as (+) or (−) enantiomer and has been tested for anticancer, abortion-inducing, and male contraception. Progesterone formed from pregnenolone by 3β-hydroxysteroid dehydrogenase 1 (HSD3B1) and estradiol from androgen by aromatase (CYP19A1) are critical for the maintenance of pregnancy or associated with some cancers. In this study we compared...
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