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Induced hypoprolactinemia and testicular steroidogenesis in man
prolactin testes bromocriptine androgens
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2009/2/20
The effects of short-term hypoprolactinemia on the pituitary-gonadal axis were evaluated in a group of patients with untreated prostatic carcinoma. Each patient was studied prior to and during 7-day...
Effect of finasteride on human testicular steroidogenesis
Alopecia baldness 5cs-reductase 1 7-ketosteroid reductase
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2009/2/16
We studied the testicular function and some androgen-mediated events in 22 males (16-30 years of age) with male pattern baldness that was treated with finasteride (10 mg once daily) for 2 years. Pat...
Effects of lipoprotein, equine luteinizing hormone, equine follicle-stimulating hormone, and equine prolactin on equine testicular steroidogenesis in vitro
Stallion testes steroid estrogen
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2009/2/13
A stallion testicular cell incubation system was developed and used to investigate the regulation of steroidogenesis in stallion testes. Cells isolated from testes of 2- to 4-year-old stallions (n = 6...
Acute immobilization stress disrupts testicular steroidogenesis in adult male rats by inhibiting the activities of 17 alpha-hydroxylase and 17,20-lyase without affecting the binding of LH/hCG receptors
Stress rats testosterone 17a-hydroxylase
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2009/2/12
We have investigated the effect of acute immobilization (3 hours) stress on testicular steroidogenesis in the adult rat. Immobilization did not alter plasma luteizing hormone (LH) levels, but plas...
Testicular steroidogenesis in the aging brown Norway rat
Aging testis steroidogenesis Leydig cell rat
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2009/2/12
In seeking an animal model of age-associated changes in the male reproductive tract, we examined the effects of age on the health and testicular steroidogenic activity of the Brown Norway rat, with ...
Oligotriche and quaking gene mutations. Phenotypic effects on mouse spermatogenesis and testicular steroidogenesis
Oligotriche quaking gene mutations Phenotypic effects mouse spermatogenesis testicular steroidogenesis
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2009/2/10
The phenotypic actions of the oligotriche gene mutation on testicular function have not been elucidated, although it is known that male mice homozygous for the mutation are infertile. In the present...
Effects of Maternal Exposure to 3,3',4,4',5-Pentachlorobiphenyl (PCB126) or 3,3',4,4',5,5'-Hexachlorobiphenyl (PCB169) on Testicular Steroidogenesis and Spermatogenesis in Male Offspring Rats
PCB androgen pituitary
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2008/12/23
On days 7-21 of gestation, Sprague-Dawley rats were orally administered 3 or 30 µg/kg/d of 3,3',4,4',5-pentachlorobiphenyl (PCB126) or 3,3',4,4',5,5'-hexachlorobiphenyl (PCB169) daily. Their m...