نتایج جستجو برای: luteal steroidogenesis
تعداد نتایج: 7485 فیلتر نتایج به سال:
Recent findings from this laboratory have led to the suggestion that the hormone-producing cells of the rat luteinized ovary in situ may obtain a large share of low density lipoprotein (LDL) cholesterol without actually internalizing the intact lipoprotein particles. We have shown that the lipoproteins are trapped at the surface of the luteal cells in a rich network of "microvillar channels" an...
To investigate the effects of bromocriptine on the secretion mechanism of pituitary gonadotropins and ovarian sex steroids, 5 mg of bromocriptine was administered to four normally cycling women in the follicular, pre-ovulatory, mid-luteal or menstrual phase, respectively. Blood samplings were taken from two hours before until six hours after the administration every 15 min. by an intravenous in...
The mink corpus luteum (CL) involutes after ovulation and remains dormant, synthesizing low amounts of progesterone until reactivated to terminate embryonic diapause. We examined the mitotic and steroid synthetic capacity of luteal cells from the diapause and postimplantation phases of mink gestation. Cells from diapause divided in vitro, reaching confluence in 7-8 days. Three phenotypes were d...
Adiponectin is an adipose-secreted hormone that regulates energy homeostasis and is also involved in the control of the reproductive system. The goal of the present study was to investigate changes in adiponectin gene and protein expression in porcine ovarian structures during the oestrous cycle and to examine the effects of in vitro administration of adiponectin on basal and gonadotrophin- and...
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