Effect of amphetamine on plasma corticosterone in the conscious rat.

abstract：:The modulatory actions of ovarian steroids on the norepinephrine (NE) induced alterations in luteinizing hormone (LH) secretion were examined in male and female rats. Long-term (4 weeks) castrated male and female rats bearing chronic third-ventricle cannulae were implanted with intra-atrial catheters. Animals were ble...

journal_title：Neuroendocrinology

authors： Condon TP,Handa RJ,Gorski RA,Sawyer CH,Whitmoyer DI

更新日期：1986-01-01 00:00:00

abstract：:We report the development of a radioimmunoassay for prepro-TRH(160-169) (PS4), a thyrotropin-releasing hormone (TRH) enhancing peptide, and its use in characterizing the effect of electroconvulsive seizures on the levels of this peptide in various brain regions of male Wistar rats. We found that electroconvulsive seiz...

journal_title：Neuroendocrinology

authors： Pekary AE,Sattin A,Lloyd RL

更新日期：1997-05-01 00:00:00

abstract：:Steroid autoradiography was undertaken to determine the neuroanatomical loci which might be involved in the activation of steroid-sensitive behaviors in the Japanese quail (Coturnix japonica). Male and female quail were either surgically gonadectomized or photically regressed and implanted with androgen or estrogen to...

journal_title：Neuroendocrinology

authors： Watson JT,Adkins-Regan E

更新日期：1989-01-01 00:00:00

abstract：:The pressor effect of intravenous angiotensin II (AII) was compared in the unrestrained rat before and after electrolytic lesions of the subfornical organ (SFO), the circumventricular organ of the dorsal third cerebral ventricle. Abdominal aortic and venal caval catheters were used to measure arterial pressure and to ...

journal_title：Neuroendocrinology

authors： Mangiapane ML,Simpson JB

更新日期：1980-12-01 00:00:00

abstract：:The inhibitory effects of pituitary allografts on the prolactin (PRL)-secretory system are presumed to be consequences of the unabated release of PRL by the allografts. In the present studies we used pituitary allografts in the Golden Syrian hamster to address the following questions: (a) Do allografts of adult adenoh...

journal_title：Neuroendocrinology

authors： Campbell GT,Gore AC,Woller MJ,Blake CA

更新日期：1996-05-01 00:00:00

abstract：:Interactions between the hypothalamic-pituitary-adrenocortical (HPA) system and melatonin secretion have been demonstrated, but only the effects of melatonin on the activity of the HPA system have been studied in man. Alterations of melatonin secretion described as low-melatonin syndrome have been demonstrated in pati...

journal_title：Neuroendocrinology

authors： Kellner M,Yassouridis A,Manz B,Steiger A,Holsboer F,Wiedemann K

更新日期：1997-04-01 00:00:00

abstract：INTRODUCTION:Acromegaly is commonly complicated by arthropathy and skeletal fragility with high risk of vertebral fractures (VFs). OBJECTIVE:This study aimed to assess whether VFs may be associated with sagittal spine deformities, arthropathy, impaired quality of life (QoL), pain and disability. METHODS:Thirty-eight ...

journal_title：Neuroendocrinology

authors： Cellini M,Biamonte E,Mazza M,Trenti N,Ragucci P,Milani D,Ferrante E,Rossini Z,Lavezzi E,Sala E,Mantovani G,Arosio M,Fornari M,Balzarini L,Lania AG,Mazziotti G

更新日期：2020-09-25 00:00:00

abstract：:Previous studies indicate that 7 days after testicular administration of naloxone, serum testosterone (T) concentration and basal T secretion in vitro decrease significantly. In neonatal rats, short-term (2 h) intratesticular treatment with 0.3 micrograms (D-Met2-Pro5)-enkephalinamide suppresses steroidogenesis. In th...

journal_title：Neuroendocrinology

authors： Gerendai I,Nemeskéri A,Csernus V

更新日期：1992-09-01 00:00:00

abstract：:Increases in the level of cAMP stimulate the secretion of GnRH from GT1 GnRH neuronal cells. We hypothesized that cyclic nucleotide phosphodiesterases (PDEs), the enzymes that hydrolyze cAMP, may constitute a negative feedback signaling mechanism for GnRH regulation by decreasing the level of cAMP. GT1 cells were show...

journal_title：Neuroendocrinology

authors： Sakakibara H,Conti M,Weiner RI

更新日期：1998-12-01 00:00:00

abstract：:We have previously reported that luteinizing hormone releasing hormone (LH-RH) levels in the medial basal hypothalamus (MBH) of adult male rats castrated for 2 weeks can be raised by testosterone (T) or estradiol (E2) treatment for 3-4 days. The present study was undertaken to determine the time after castration when ...

journal_title：Neuroendocrinology

authors： Kalra PS

更新日期：1985-09-01 00:00:00

abstract：:These studies investigated the effect of aging on thyroid hormone regulation of beta-endorphin in rat corpus striatum and hypothalamus. In both brain areas, basal levels of beta-endorphin declined with age. In addition, age modified the response of beta-endorphin to thyroid hormone status. Hypothyroid rats aged 6 mont...

journal_title：Neuroendocrinology

authors： Gambert SR

更新日期：1981-02-01 00:00:00

abstract：:We have attempted to elucidate the effect of glucose concentrations on the release of thyrotropin-releasing hormone (TRH), a brain neuropeptide possessing glucoregulatory function, from rat hypothalamic slices in vitro. Rat hypothalamic slices were preincubated for 60 min at 37 degrees C in Krebs-Ringer bicarbonate (K...

journal_title：Neuroendocrinology

authors： Yamaguchi M,Iriuchijima T,Michimata T,Mori M

更新日期：1991-04-01 00:00:00

abstract：:The acute effects of hypothalamic electrical stimulation on the secretion of FSH and LH have been examined in anestrous and estrous ferrets. Basal levels of luteinizing hormone (LH) and follicle-stimulating hormone (FSH) were higher in the anestrous than in the estrous animals; the anestrous animals showed a more mark...

journal_title：Neuroendocrinology

authors： Donovan BT,ter Haar MB

更新日期：1977-01-01 00:00:00

abstract：:High affinity binding of 3H-flunitrazepam (FNZP) to crude membrane preparations of bovine pineal membranes was examined by a rapid filtration procedure through Whatman GFB paper. At 0 degrees C binding reached equilibrium in about 20 min. Scatchard analysis of data at equilibrium revealed a single population of bindin...

journal_title：Neuroendocrinology

authors： Lowenstein PR,Cardinali DP

更新日期：1983-08-01 00:00:00

abstract：:Neurons synthesizing growth hormone releasing factor were detected by immunocytochemistry with specific antiserum against synthetic rat hypothalamic growth hormone releasing factor. Growth hormone releasing factor immunoreactive neurons which also showed tyrosine hydroxylase immunoreactivity were located in the ventro...

journal_title：Neuroendocrinology

authors： Okamura H,Murakami S,Chihara K,Nagatsu I,Ibata Y

更新日期：1985-08-01 00:00:00

abstract：:An electrophysiological investigation was conducted on the connection of medial preoptic neurons with the median eminence and the basal and corticomedial amygdala in pentobarbital anesthesized male Sprague-Dawley rats. Of 411 medial preoptic neurons tested with median eminence stimuli, antidromic responses (mean laten...

journal_title：Neuroendocrinology

authors： Layton BS,Lafontaine S,Renaud LP

更新日期：1981-01-01 00:00:00

abstract：:To characterize the short-term ACTH secretion pattern and to investigate factors regulating it, pituitary venous (PV) blood was collected using our nonsurgical method from 8 unperturbed horses every 20 or 30 s for approximately 1 h. In all but 1 horse, sampling occurred during the broad circadian maximum in plasma cor...

journal_title：Neuroendocrinology

authors： Alexander SL,Irvine CH,Donald RA

更新日期：1994-09-01 00:00:00

abstract：OBJECTIVE:Differences in the cardiovascular and hypothalamic-pituitary-adrenal (HPA) axis functions at high altitudes (HAs) between visitors to and natives of HA were examined. METHODS:The cardiovascular functions and peripheral oxygen saturation (SPO2) were monitored, and the cortisol awakening response (CAR) and nig...

journal_title：Neuroendocrinology

authors： Park JY,Hwang TK,Park HK,Ahn RS

更新日期：2014-01-01 00:00:00

abstract：:Both the pituitary-adrenal axis and the pituitary-gonadal axis are under the tonic inhibitory control of endogenous opioid peptides in man. However, the precise opioid receptor involved in the modulation of these hormones remains unknown. The effect of a dose of intravenous naloxone on serum levels of luteinising horm...

journal_title：Neuroendocrinology

authors： Grossman A,Moult PJ,Cunnah D,Besser M

更新日期：1986-01-01 00:00:00

abstract：:A number of neurochemical messengers have been shown to act directly on the melanotrope cells of the pars intermedia of Xenopus laevis to regulate alpha MSH secretion. In the present study the possibility that the melanotropes are also indirectly controlled has been examined. For this purpose, the characteristics of a...

journal_title：Neuroendocrinology

authors： de Koning HP,Jenks BG,Scheenen WJ,de Rijk EP,Caris RT,Roubos EW

更新日期：1991-07-01 00:00:00

abstract：:An experiment was performed on 21-day-old male rats to determine the combined effects of pinealectomy, constant light and darkness, and intraperitoneal (i.p.) thyrotropin-releasing hormone (TRH) on pituitary and plasma radioimmunoassayable thyrotropin (TSH), serum thyroxine (T4), and pituitary, thyroid and body weight...

journal_title：Neuroendocrinology

authors： Relkin R

更新日期：1978-01-01 00:00:00

abstract：:An enriched population of cells immunoreactive to antiserum against S-100 protein, a marker of folliculo-stellate (FS) cells in the rat pituitary, was obtained by separation of dispersed pituitary cells from adult female rats by gradient sedimentation at unit gravity. The effect of FS cells on the stimulation and inhi...

journal_title：Neuroendocrinology

authors： Allaerts W,Denef C

更新日期：1989-04-01 00:00:00

abstract：:To study the role of the hypothalamus in the regulation of growth hormone (GH) synthesis, the rate of amino acid incorporation into GH in vitro was examined in rats with anterolateral deafferentation of the medial basal hypothalamus. Amino acid incorporation into GH (GH synthesis) decreased significantly 7 days after ...

journal_title：Neuroendocrinology

authors： Ieiri T,Ishikawa K,Suzuki M,Shimoda S

更新日期：1988-05-01 00:00:00

abstract：:In rats anesthetized with sodium pentobarbital, adrenal venous blood samples were collected and analyzed for epinephrine and norepinephrine by the fluorometric method. Stimulation of the inferior fovea or adjacent areas resulted in a significant increase in epinephrine secretion. Stimulation of some other areas of the...

journal_title：Neuroendocrinology

authors： Matsui H

更新日期：1979-01-01 00:00:00

abstract：:The present study provides evidence of a novel neuronal pathway for the control of GnRH secretion involving bradykinin neurons. Bradykinin neurons were shown by immunohistochemistry to be densely localized in several regions of the brain including the cortex, hippocampus and supraoptic nucleus, as well as two regions ...

journal_title：Neuroendocrinology

authors： Shi B,Mahesh VB,Bhat GK,Ping L,Brann DW

更新日期：1998-04-01 00:00:00

abstract：:Interleukin (IL)-6 in the hypothalamus and hindbrain is an important downstream mediator of suppression of body weight and food intake by glucagon-like peptide-1 (GLP-1) receptor stimulation. CNS GLP-1 is produced almost exclusively in prepro-glucagon neurons in the nucleus of the solitary tract. These neurons innerva...

journal_title：Neuroendocrinology

authors： Anesten F,Mishra D,Dalmau Gasull A,Engström-Ruud L,Bellman J,Palsdottir V,Zhang F,Trapp S,Skibicka KP,Poutanen M,Jansson JO

更新日期：2019-01-01 00:00:00

abstract：:Brain corticosteroid receptors, the type 1 mineralocorticoid receptor (MR) and the type 2 glucocorticoid receptor (GR), are involved in the regulation of neuroendocrine and behavioral responses during ongoing and stressful conditions. To further investigate the role of MR in these responses, we treated male Wistar rat...

journal_title：Neuroendocrinology

authors： Reul JM,Probst JC,Skutella T,Hirschmann M,Stec IS,Montkowski A,Landgraf R,Holsboer F

更新日期：1997-03-01 00:00:00

abstract：BACKGROUND:Kisspeptins are recognized as important stimulators of gonadotropin-releasing hormone (GnRH) and gonadotropin secretion. In sheep, the nonbreeding (anestrous) period is characterized by reduced Kiss1 mRNA expression in the hypothalamus. The aim of the present study was to determine whether the response to ki...

journal_title：Neuroendocrinology

authors： Smith JT,Saleh SN,Clarke IJ

更新日期：2009-01-01 00:00:00

abstract：:Light deprivation by blinding or exposure to short photoperiod results in depressed prolactin (PRL) cell activity and gonadal regression in the male Syrian hamster after at least 42-56 days of treatment, and both of these events can be prevented if pineal removal accompanies light deprivation. In the present study, we...

journal_title：Neuroendocrinology

authors： Massa JS,Blask DE

更新日期：1989-11-01 00:00:00

abstract：:The effect of angiotensin II (AII) on plasma prolactin (PRL) concentrations was evaluated in ovariectomized rhesus monkeys which had been conditioned to chair restraining. Intracerebro-ventricular (i.v.t.) microinjections of AII increased PRL plasma levels in a dose-dependent manner. PRL values peaked at 10 min after ...

journal_title：Neuroendocrinology

authors： Dufy-Barbe L,Rodriguez F,Arsaut J,Verrier D,Vincent JD

更新日期：1982-10-01 00:00:00