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Alterations in the pulsatile properties of gonadotropin secretion in alcoholic men
Alterations pulsatile properties gonadotropin secretion alcoholic men
2009/2/23
The functional characteristics of the hypothalamic-pituitary-testicular axis were examined quantitatively in 10 chronic alcoholic men without hepatic dysfunction or clinical nutritional deficiencies...
Regulation of gonadotropin secretion in the male: effect of an aromatization inhibitor in estradiol-implanted, orchidectomized dogs
gonadotropins testosterone estradiol aromatase aminoglutethim
2009/2/23
Testosterone is aromatized to estradiol in both peripheral tissues and the central nervous system. Various authors have suggested that this conversion in the male may be prerequisite for the regulat...
Regulation of gonadotropin secretion in the male dog. Role of estradiol
gonadotropin secretion male dog
2009/2/19
Steroid regulation of pituitary LH and FSH secretion in the male may be mediated via the direct action of testosterone, or via the conversion of testosterone to either dihydrotestosterone (DHT) or e...
The direct pituitary effect of testosterone to inhibit gonadotropin secretion in men is partially mediated by aromatization to estradiol
LH FSH bioactivity androgens estrogens DHT
2009/2/12
In men, administration of exogenous testosterone (T) exerts direct negative feedback effects at the pituitary as well as at the hypothalamic level. This study was undertaken to determine whether T i...
Testosterone feedback on gonadotropin secretion and gene expression in transgenic mice expressing human growth hormone gene
Luteinizing hormone follicle-stimulating hormone
2009/2/12
To determine the effects of testosterone on the regulation of gonadotropins in metallothionein-1/human growth hormone (MT/hGH) transgenic mice, basal and gonadotropin-releasing hormone (GnRH)-stim...