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Secretion of plasminogen activator in response to follicle-stimulating hormone in culture medium of human testicular cells from biopsy specimens
plasminogen activator follicle-stimulating hormone culture medium human testicular cells
2009/2/23
Testicular cells from human biopsy specimens were cultured and plasminogen activator secreted into the medium was investigated. Follicle stimulating hormone stimulated plasminogen activator secret...
Estradiol and plasminogen activator secretion by cultured rat Sertoli cells in response to melanocyte-stimulating hormones
Estradiol and plasminogen activator secretion cultured rat Sertoli cells melanocyte-stimulating hormones
2009/2/23
Pro-opiomelanocortin-derived peptides, alpha-MSH and beta-endorphin, are synthesized and secreted by Leydig cells, and are believed to have paracrine effects on Sertoli cells in the testis. Peptid...
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...
The pattern of LH release in the adult ram influences the testicular steroidogenic response to individual LH pulses and is regulated by testosterone negative feedback
LH release adult ram influences testicular steroidogenic individual LH pulses
2009/2/23
Two experiments were conducted with adult intact rams (approximately 58 kg in body weight) in the nonbreeding season to investigate interrelationships between LH and testosterone secretion. In Exp...
Transferrin secretion in response to different modes of FSH stimulation and cycloheximide in superfused Sertoli cell cultures
Transferrin secretion FSH stimulation cycloheximide superfused Sertoli cell cultures
2009/2/23
The influence of different modes of FSH stimulation and cycloheximide on transferrin secretion by rat Sertoli cells was investigated using a superfusion culture system. Sertoli cells from 18-day-old...
Serum testosterone response to desialylated human choriogonadotropin in man
Serum testosterone desialylated human choriogonadotropin man
2009/2/23
To assess the in vivo steroidogenic activity of desialylated human choriogonadotropin (hCG) in man, highly purified desialylated hCG was administered as a constant intravenous infusion over 6 hours ...
The prolactin response of males to a standard MVO2 treadmill test
prolactin response males standard MVO2 treadmill test
2009/2/23
The concentration of serum prolactin in response to a standard MVO2 treadmill stress test to self-perceived exhaustion was investigated in 19 normal healthy males. The prolactin concentration remain...
Appraising the instantaneous secretory rates of luteinizing hormone and testosterone in response to selective mu opiate receptor blockade in late pubertal boys
instantaneous secretory rates luteinizing hormone testosterone selective mu opiate receptor blockade late pubertal boys
2009/2/23
The pulsatile properties of gonadotropin and testosterone release were examined before and after chronic mu opiate receptor blockade with naltrexone, 50 mg every other day, in four normal boys in la...
Dose and time relationships in the endocrine response of the irradiated adult rat testis
endocrine response irradiated adult rat testis
2009/2/23
The dose- and time-dependent responses for the interstitial and tubular compartments in irradiated adult rat testes are described. Leydig cell dysfunction, as indicated by increased serum LH (to a m...
Response to acute hCG stimulation and steroidogenic potential of Leydig cell fibroblastic precursors in humans
acute hCG stimulation steroidogenic potential Leydig cell fibroblastic precursors humans
2009/2/20
The process of early testosterone (T) secretion and Leydig cell differentiation in humans was studied to explore the steroidogenic capacity of Leydig cell fibroblastic precursors. Seven cryptorchi...
Dose-response studies on male reproductive parameters in dogs with nafarelin acetate, a potent LHRH agonist
LHRH agonist nafarelin acetate EDNal(2)6JLHRH spermatogenesis prostate male dogs
2009/2/20
Adult male beagle dogs were administered daily subcutaneous injections of either 0.5 or 2.0 micrograms/kg of a potent LHRH agonist, nafarelin acetate, for 44 days. Although there was a rise in the c...
Suppression of the proliferative response of the seminal vesicles to testosterone by inhibitors of prostaglandin synthesis. Testosterone, indomethacin, and proliferation in seminal vesicles
seminal vesicles testosterone prostaglandin synthesis
2009/2/19
Effects of indomethacin (1.25 mg/kg) and aspirin (20 mg/kg) on testosterone-induced (0.25 mg/rat), and of indomethacin on dihydrotestosterone-induced (0.25 mg/rat) mitotic activity of the seminal ...
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 ...
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...
Characterization of a TPA-response element in the 5'-flanking region of the androgen receptor gene
Steroid receptor gene expression phorbol esters
2009/2/18
The androgen receptor (AR) protein is an important transacting factor that is necessary for mediating gene expression of androgen-responsive genes. The expression of the AR gene is regulated by an...