Results 361 to 370 of about 241,755 (405)
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Localization of Growth Hormone-Releasing Hormone in the Human Hypothalamus and Pituitary Stalk*
The Journal of Clinical Endocrinology & Metabolism, 1986The localization of the recently identified GH-releasing hormone (GHRH) in the human hypothalamus and pituitary stalk was determined by microdissection techniques and a specific RIA for GHRH. The highest concentrations of GHRH immunoreactivity (IR-GHRH) in the hypothalamus were found in the area of the infundibular nucleus (83 +/- 4 ng/mg protein ...
Yitzhak Koch +3 more
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Extra-pituitary inhibition of testicular function by luteinising hormone releasing hormone
Nature, 1979Luteinising hormone releasing hormone (LHRH), produced by the hypothalamus, stimulates gonadotropin production by the pituitary1–3. Paradoxically, chronic treatment with large doses of LHRH or its agonists causes a decline in testicular steroidogenesis and testicular LH/human chorionic gonadotropin (hCG) receptors; they also cause a decrease in the ...
Aaron J. W. Hsueh, Gregory F. Erickson
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Journal of Clinical Endocrinology and Metabolism, 1973
Out of 16 patients with active acromegaly, 6 increased plasma GHafter LRH and 10 after TRH administration. These increases were unrelated to basal plasma GH levels and to plasma GH responses to insulin and arginine.
G. Faglia +5 more
semanticscholar +1 more source
Out of 16 patients with active acromegaly, 6 increased plasma GHafter LRH and 10 after TRH administration. These increases were unrelated to basal plasma GH levels and to plasma GH responses to insulin and arginine.
G. Faglia +5 more
semanticscholar +1 more source
Extra-pituitary action of luteinizing hormone releasing hormone on intraocular pressure
Current Eye Research, 1988Luteinizing hormone releasing hormone (LHRH) given intraventricularly caused a delayed, significant decrease of intraocular pressure (IOP) in adult female rabbits for a prolonged period, but only elevated plasma gonadotropins for a few hrs. Intravenous injections of LHRH caused a similar elevation of plasma gonadotropins without any effect on IOP.
John H.K. Liu, Angela C. Dacus
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Thyrotrophin-releasing hormone: a growth hormone-releasing factor.
Journal of Endocrinology, 1990The regulation of pituitary GH has traditionally been considered to be under dual hypothalamic control, by inhibitory and stimulatory releasing factors (SRIF and GRF respectively).
S. Harvey
semanticscholar +1 more source
Sexual dimorphic porcine pituitary response to growth hormone-releasing hormone
Domestic Animal Endocrinology, 1990The aim of this study was to compare growth hormone (GH) response of barrows and gilts to porcine growth hormone-releasing hormone (pGRH) at the pituitary level. Anterior pituitary cells from barrows and gilts responded to pGRH in a dose-dependent manner.
Mark L. Heiman +3 more
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INHIBITION BY MELATONIN OF THE PITUITARY RESPONSE TO LUTEINIZING HORMONE RELEASING HORMONE IN VIVO
Journal of Endocrinology, 1978The rate of secretion of 17-oxosteroids by the testes of anaesthetized dogs in vivo was used as an index of LH secretion. Intracarotid injection of luteinizing hormone releasing hormone (LH-RH, 1, 5 or 10 μg/kg body wt) resulted in an increase in the testicular 17-oxosteroid secretion which was roughly proportional to the dose administered and which ...
M. Mieno +3 more
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Growth hormone-releasing hormone and somatostatin in normal and tumoral human pituitaries
Peptides, 1991In order to further understand the role of endogenous pituitary neuropeptides in pituitary hormonal content and secretion, GHRH, SRIH and GH contents were quantified in GH adenomas obtained from acromegalic patients with plasma GH levels either high (greater than 5 micrograms/l, range 11 to 550 micrograms/l, n = 11) or in the normal range (less than 5 ...
P. Pagesy +3 more
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Prolonged suppression of pituitary and pancreatic hormone release by a somatostatin analog
Metabolism, 1977Summary A potent analog of somatostatin has been synthesized which suppresses plasma levels of growth hormone, insulin and glucagon in short term experiments in rats (15 minutes from analog administration to blood sampling). This analog lowers plasma growth hormone in rats and plasma glucose and glucagon in streptozotocin diabetic dogs for prolonged ...
G.C. Boxill +5 more
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Journal of Endocrinology, 1994
Abstract Cortisol inhibits growth hormone (GH) release in short-term culture and is stimulatory in long-term cultures of rat and human pituitary cells. This study sought to determine the in vitro effects of cortisol on GH release and the signal transduction pathways mediating the effects of cortisol on GH release from cultured ovine ...
J C Williams +4 more
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Abstract Cortisol inhibits growth hormone (GH) release in short-term culture and is stimulatory in long-term cultures of rat and human pituitary cells. This study sought to determine the in vitro effects of cortisol on GH release and the signal transduction pathways mediating the effects of cortisol on GH release from cultured ovine ...
J C Williams +4 more
openaire +2 more sources