Prolactin Stimulation of Testicular Steroid Biosynthesis in the Male Rat
نویسندگان
چکیده
منابع مشابه
Steroid biosynthesis by surviving testicular tumor tissue.
The appearance of gynecomastia and other feminizing symptoms in the male concomitant with the appearance of certain types of testicular tumors has long been noted (1). Therefore, the possibility has been suggested that these tumors produce excessive amounts of female sex hormones. The recent work of Goldzieher and Roberts (2) demonstrated that human testes contain small amounts (5.7 y per kilo ...
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15 صفحه اولEffects of aflatoxin B1 on profiles of gonadotropic (FSH and LH), steroid (testosterone and 17β-estradiol) and prolactin hormones in adult male rat
Aflatoxins (AFs) are natural contaminants of feed and feedstuffs, thus the study of the noxious effects ofthese agents on the male reproductive system is of outstanding importance. Our aim for this study is theevaluation of the effects of oral administration of aflatoxin B1 on the reproductive hormonal changes in adult male rat. Twenty eight Wistar strain male rats were selected for this study....
متن کاملAssessment of Testicular Corticosterone Biosynthesis in Adult Male Rats
Corticosterone is synthesized in the adrenal glands and is circulated throughout the body to perform regulatory functions in various tissues. The testis is known to synthesize and secrete testosterone and other androgens. We developed an accurate method to measure steroid content using liquid chromatography-mass spectrometry analysis. In the present study, significant levels of the precursor co...
متن کاملStimulation of catecholamine biosynthesis via the PKC pathway by prolactin-releasing peptide in PC12 rat pheochromocytoma cells.
We have previously shown that prolactin-releasing peptide (PrRP) stimulates catecholamine release from PC12 cells (rat pheochromocytoma cell line). However, it is not known whether PrRP also affects catecholamine biosynthesis. Thus, we examined the effect of PrRP on catecholamine biosynthesis in PC12 cells. PrRP31 (>10 nM) and PrRP20 (>100 nM) significantly increased the activity and expression...
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ژورنال
عنوان ژورنال: Journal of Andrology
سال: 1981
ISSN: 0196-3635
DOI: 10.1002/j.1939-4640.1981.tb00599.x