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Luteinizing hormone secretion by male rat pituitary cells perifused in vitro：effect of experimental left varicocele and orchiectomy
Luteinizing hormone secretion male rat pituitary cells
2009/2/23
It has been shown previously that experimental left varicocele in the rat, results in a bilateral decrease in intratesticular testosterone. In the present work, pituitary responsiveness to GnRH as a...
Pituitary response to LHRH during chronic renal insufficiency in the male rat
Pituitary LHRH chronic renal insufficiency male rat
2009/2/23
Chronic renal insufficiency was induced in young adult male rats by a 2-step 5/6 nephrectomy. Four weeks after surgery the rats were anesthetized with ketamine and injected with saline or 1, 5, 10...
Pituitary gonadotropin content in gonadectomized rats. Immunoassay measurements influenced by extraction solvent and testosterone replacement
Pituitary gonadotropin content gonadectomized rats Immunoassay measurements extraction solvent
2009/2/23
Increasing interest in events regulating gonadotropin synthesis and secretion led to the reexamination, by radioimmunoassay (RIA), of the pituitary content of luteinizing hormone (LH) and follicle s...
Pituitary-testicular reserve in men with low serum testosterone and normal serum luteinizing hormone
Pituitary-testicular reserve men with low serum testosterone normal serum luteinizing hormone
2009/2/23
Men with low serum testosterone levels who do not have elevated serum LH levels are generally thought to have hypothalamic-pituitary dysfunction. To evaluate this concept, seven men with a combinati...
The pituitary-testicular axis at rest and during moderate exercise in males with diabetes mellitus and normal sexual function
pituitary-testicular axis moderate exercise males diabetes mellitus normal sexual function
2009/2/23
Hormonal studies of pituitary-testicular function in insulin-dependent diabetes mellitus were examined at rest and during moderate exercise to assess whether diabetes per se caused abnormalities of ...
Pituitary-testicular function of prostatic cancer patients during treatment with a gonadotropin-releasing hormone agonist analog. II. Endocrinology and histology of the testis
Pituitary-testicular function prostatic cancer patients gonadotropin-releasing hormone
2009/2/23
Endogenous testosterone (T), LH and FSH receptors, and in vitro production of cyclic adenosine-3':5'-monophosphate (cAMP), T and some of its steroid precursors were measured in testicular tissue obt...
Pituitary-testicular function of prostatic cancer patients during treatment with a gonadotropin-releasing hormone agonist analog. I. Circulating hormone levels
Pituitary-testicular function prostatic cancer patients treatment gonadotropin-releasing hormone
2009/2/23
Eight patients with advanced prostatic carcinoma (ages 59 to 78 years) were treated with a potent gonadotropin-releasing hormone (GnRH) agonist analog (buserelin, Hoechst; 600 micrograms intranasall...
Pituitary-gonadal function in adult male rats subjected to chronic water restriction
water restriction protein-calorie deficit circadian rhythms FSH LH testosterone acute stress
2009/2/23
The effect of water restriction on the pituitary-gonadal axis has been studied in adult male rats. Water restriction did not modify FSH, LH and testosterone levels. However, both LH and testosterone...
Increased plasma and pituitary prolactin concentrations in adult male rats with selective elevation of FSH levels may be explained by reduced testosterone and increased estradiol production
Increased plasma pituitary prolactin concentrations adult male rats
2009/2/23
The roles of testosterone and estradiol in regulating prolactin concentrations were studied in acutely castrated adult male rats receiving subcutaneous Silastic implants of the sex steroids. Testost...
The effect of exogenous follicle stimulating hormone treatment on anterior pituitary and testicular function in the prepubertal bull
follicle stimulating hormone luteinizing hormone testosterone prepubertal bull
2009/2/20
The effect of exogenous follicle stimulating hormone (FSH) on testicular function was studied in twenty 4-month-old Holstein bulls during two seasons (ten in late winter and ten in summer). Five mg ...
Pituitary and testicular function in spontaneously hypertensive rats
Pituitary testicular function spontaneously hypertensive rats
2009/2/19
Levels of plasma gonadotropins, prolactin (PRL), and testosterone, and the testicular concentration, total content, and affinity of hCG binding sites were measured in male spontaneously hypertensi...
Comparison of Prostatic Response to Pituitary Grafts in Castrate Rats Treated with Testosterone or Dihydrotestosterone
prostate prolactin testosterone dihydrotestosterone
2009/2/19
To understand further the effect of prolactin (PRL) on prostatic growth, the present study was undertaken to determine if the augmentation of testosterone (T)-stimulated growth by PRL is mediated ...
Impact of Pulsatile Administration of Gonadotropin-Releasing Hormone on the Pituitary-Testicular Axis of the Immature Rat
pulsatile gonadotropin-releasing hormone administration luteinizing hormone androgens
2009/2/19
Effects of administering low doses of GnRH (30 ng/100 g body weight) at various frequencies on the pituitary-testicular axis were investigated. During a 6-hour treatment period, GnRH was administe...
Testosterone Pretreatment and the Response of Pituitary LH to Gonadotropin-Releasing Hormone（GnRH）in the Male Dog
GnRH LH-response testosterone dog
2009/2/19
To characterize the effects of testosterone (T) pretreatment on the response of pituitary LH secretion to exogenous gonadotropin-releasing hormone (GnRH), intact male dogs were injected subcutaneo...
Effects of Experimentally Induced Hyperprolactinemia on the Hypothalamus, Pituitary, and Testes in the Golden Hamster
hyperprolactinemia hypothalamus pituitary testis prolactin follicle-stimulating hormone norepinephrine testosterone dopamine luteinizing hormone releasing hormone
2009/2/19
Hyperprolactinemia was induced in adult male golden hamsters by transplantation of four homologous pituitaries under the renal capsules. The resulting elevation of plasma prolactin (PRL) levels wa...