نتایج جستجو برای: cyp19
تعداد نتایج: 507 فیلتر نتایج به سال:
Male infertility accounts for almost half of infertility cases worldwide. A subset of infertile men exhibit reduced testosterone and enhanced levels of estradiol (E2), though it is unclear how increased E2 promotes deterioration of male fertility. Here, we utilized a transgenic mouse strain that overexpresses human CYP19, which encodes aromatase (AROM+ mice), and mice with knockout of Esr1, enc...
INTRODUCTION cP450aromatase deficiency provides clues for the understanding of the role of aromatase in prepubertal and pubertal human health and disease. Placental aromatization of androgens protects the female fetus against the virilizing action of fetal androgens. After birth, the dual effect of aromatase deficiency, excessive androgens, and insufficient estrogens is responsible for a variab...
Peroxisome proliferator-activated receptors (PPARs) play important roles in the metabolic regulation of lipids including steroids. In this study, we investigated whether fenofibrate, a ligand for PPARalpha, could influence estrogen synthesis in vivo in the ovary of mice. As reported, chronic treatment of C57BL6/J female mice with various amounts of fenofibrate as a diet reduced the serum trigly...
The formation of estrogens from C19 steroids is catalyzed by aromatase cytochrome P450 (P450arom), the product of the cyp19 gene. The actions of estrogen include dimorphic anatomical, functional, and behavioral effects on the development of both males and females, considerations that prompted us to examine the consequences of deficiency of aromatase activity in mice. Mice lacking a functional a...
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