Modulation of the neonatal pituitary and adrenocortical responses to stress by thyroid hormones in the rat: effects of hypothyroidism and hyperthyroidism.

abstract：:It has been recently demonstrated that luteinizing hormone-releasing hormone (LHRH) can inhibit LHRH release by the hypothalamus, suggesting an ultrashort feedback of LHRH on LHRH neurons. In order to test this hypothesis, immunocytochemical localization of LHRH was conducted in the preoptic area of the rat brain. Con...

journal_title：Neuroendocrinology

authors： Pelletier G

更新日期：1987-11-01 00:00:00

abstract：:Phase relation between plasma corticosterone and locomotor activity rhythms was analyzed in individual rats with selective lesions of suprachiasmatic nuclei (SCN). SCN in Wistar male rats were selectively coagulated electrically and the extent of SCN destruction was examined histologically. Spontaneous locomotor activ...

journal_title：Neuroendocrinology

authors： Watanabe K,Hiroshige T

更新日期：1981-07-01 00:00:00

abstract：:Plasma TSH responses after an i.v. injection of 100 mg of L-dopa were evaluated by radioimmunoassay in 4 normal euthyroid subjects and in 8 patients with primary hypothyroidism. In agreement with previous results, no variations to plasma TSH levels were observed in the euthyroid subjects. In contrast, in primary hypo...

journal_title：Neuroendocrinology

authors： Minozzi M,Faggiano M,Lombardi G,Carella C,Criscuolo T,Scapagnini U

更新日期：1975-01-01 00:00:00

abstract：:The mechanisms involved in the activation of the hypothalamus-pituitary-adrenal axis after administration of Mycoplasma fermentans were examined. Male rats were injected intracerebroventricularly (i.c.v.) with heat-inactivated M. fermentas (6 micrograms protein/10 microliters/rat) or vehicle and were killed 2 h later....

journal_title：Neuroendocrinology

authors： Wohlman A,Gallily R,Yirmiya R,Weidenfeld J

更新日期：1997-09-01 00:00:00

abstract：:Corticosterone (CORT) can alter several electrophysiological properties in the hippocampus. Few studies have reported the effects of CORT on hippocampal long-term potentiation (LTP). In the CA1 region of the hippocampal slice, we studied the relative increase in population spike (PS) amplitude after inducing tetanus (...

journal_title：Neuroendocrinology

authors： Rey M,Carlier E,Talmi M,Soumireu-Mourat B

更新日期：1994-07-01 00:00:00

abstract：:Pregnant rats were kept on an ethanol-containing (6% w/v) liquid diet from the 13th day of gestation and serum growth hormone (GH) levels were determined in the offspring after four different experimental paradigms. In controls, administration of cyproheptadine (a serotonin-blocking agent), or insulin, or exposure to ...

journal_title：Neuroendocrinology

authors： Thadani PV

更新日期：1984-04-01 00:00:00

abstract：:Several molecular forms related to the decapeptide LHRH were characterized and quantified in various brain structures of intact and castrated male and female rats. Distinct moieties were separated by high performance liquid chromatography (HPLC) and radioimmunoassayed against anti-LHRH antibodies of different specific...

journal_title：Neuroendocrinology

authors： Gautron JP,Pattou E,Leblanc P,L'Héritier A,Kordon C

更新日期：1993-08-01 00:00:00

abstract：:This study was carried out to clarify the central effects of neuropeptide Y (NPY) on gonadotropin and prolactin (PRL) release in the male rat and to evaluate the hypothesis that it may play a role in negative feedback regulation of gonadotropin secretion in the male. NPY (4 micrograms in 2 microliters 0.9% NaCl) or an...

journal_title：Neuroendocrinology

authors： Reznikov AG,McCann SM

更新日期：1993-06-01 00:00:00

abstract：:Intestinal gluconeogenesis is a recently described function in intestinal glucose metabolism. In particular, the intestine contributes around 20-25% of total endogenous glucose production during fasting. Intestinal gluconeogenesis appears to regulate energy homeostasis via a neurally mediated mechanism linking the ent...

journal_title：Neuroendocrinology

authors： Mithieux G

更新日期：2014-01-01 00:00:00

abstract：:Dopaminergic agonists are effective in vivo in inhibiting lactotrope proliferation and prolactin (PRL)-secreting pituitary tumors. The purpose of the present study was to demonstrate in vitro actions of dopaminergic agents on proliferation and cell shape of rat lactotropes. Anterior pituitary cells cultured with serum...

journal_title：Neuroendocrinology

authors： Arita J,Hashi A,Hoshi K,Mazawa S,Suzuki S

更新日期：1998-09-01 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：:Correlations between the specific binding of radiolabelled adrenoligands in frontal cortex and hypothalamus, and plasma testosterone levels were investigated in inbred mouse strains. Binding values were structure and genotype dependent. There were significant negative intrastrain and interstrain correlations between h...

journal_title：Neuroendocrinology

authors： Shishkina GT,Naumenko EV

更新日期：1995-06-01 00:00:00

abstract：:Adenylate cyclase activity was studied in anterior pituitary homogenates from young adult (6 months) and old (20 and 24 months) male rats. Basal, NaF-, GTP-, 5'-guanylimidodiphosphate (Gpp(NH)p)- and forskolin-stimulated activities were similar in the three groups, implying that the stimulatory guanyl nucleotide regul...

journal_title：Neuroendocrinology

authors： Robberecht P,Gillard M,Waelbroeck M,Camus JC,De Neef P,Christophe J

更新日期：1986-01-01 00:00:00

abstract：:Characteristic increases in neuronal activity coincident with the pulsatile release of luteinizing hormone from the pituitary gland have been recorded from electrodes chronically implanted in the medial basal hypothalamus of the rhesus monkey. This electrophysiologic manifestation of the hypothalamic 'pulse generator'...

journal_title：Neuroendocrinology

authors： Wilson RC,Kesner JS,Kaufman JM,Uemura T,Akema T,Knobil E

更新日期：1984-09-01 00:00:00

abstract：:Glass microknife lesions and immunocytochemistry were used to evaluate luteinizing hormone-releasing hormone (LH-RH)- and somatostatin (SS)-immunoreactive pathways from the preoptic region to the rat median eminence. Cuts were so placed that axons of more caudally located neurons in the periventricular hypothalamic ar...

journal_title：Neuroendocrinology

authors： Jew JY,Léránth C,Arimura A,Palkovits M

更新日期：1984-03-01 00:00:00

abstract：:The coadministration of growth hormone (GH) secretagogues can provide insight into the neuroregulation of GH secretion. The GH response to L-dopa (125, 250 and 500 mg orally for body weights less than 15 kg, between 15 and 30 kg and greater than 30 kg, respectively), arginine (Arg; 0.5 g/kg infused intravenously over ...

journal_title：Neuroendocrinology

authors： Ghigo E,Bellone J,Imperiale E,Arvat E,Mazza E,Valetto MR,Boffano GM,Cappa M,Loche S,De Sanctis C

更新日期：1990-07-01 00:00:00

abstract：:In man and other mammals, starvation is accompanied by a severe suppression of luteinizing hormone-releasing hormone (LHRH) and luteinizing-hormone (LH) secretion, which is caused by unknown alterations in hypothalamic functions. Prostaglandin E2 (PGE2), endorphins and testosterone (T) are know to be strongly involved...

journal_title：Neuroendocrinology

authors： Küderling I,Dorsch G,Warnhoff M,Pirke KM

更新日期：1984-12-01 00:00:00

abstract：:Previous work has demonstrated that N-methyl-D-aspartate (NMDA) is capable of stimulating luteinizing hormone release in a variety of species. Interestingly, the ability of NMDA to stimulate luteinizing hormone release is significantly compromised in castrated male and female rats as compared to intact animals. The pu...

journal_title：Neuroendocrinology

authors： Brann DW,Zamorano PL,Chorich LP,Mahesh VB

更新日期：1993-12-01 00:00:00

abstract：:Introduction The membrane-associated G protein-coupled estrogen receptor 1 (GPER) mediates the regulation by estradiol on arginine-vasopressin immunoreactivity in the supraoptic and paraventricular hypothalamic nuclei of female rats and is involved in the estrogenic control of hypothalamic regulated functions, such as...

journal_title：Neuroendocrinology

authors： Marraudino M,Carrillo B,Bonaldo B,Llorente R,Campioli E,Garate I,Pinos H,Garcia-Segura LM,Collado P,Grassi D

更新日期：2020-06-22 00:00:00

abstract：:Relief of symptoms can be achieved following surgery for growth hormone (GH)-secreting adenomas, as well as after pharmacological therapy with somatostatin analogs. Recently, long-acting somatostatin analog depot formulations, octreotide LAR and lanreotide SR have become available. Somatostatin analogs control GH/insu...

journal_title：Neuroendocrinology

authors： Tolis G,Angelopoulos NG,Katounda E,Rombopoulos G,Kaltzidou V,Kaltsas D,Protonotariou A,Lytras A

更新日期：2006-01-01 00:00:00

abstract：:An abolishment of 24 h periodicity of the adrenocortical activity was observed in rats subjected to a prolonged food deprivation of 7--8 days. Total locomotor activity progressively decreased and its circadian rhythm faded out in a similar fashion as the adrenocortical rhythm. The circadian rhythms of both locomotor a...

journal_title：Neuroendocrinology

authors： Kobayashi K,Takahashi K

更新日期：1979-01-01 00:00:00

abstract：BACKGROUND:The appetite-stimulating hormone ghrelin is a fundamental regulator of human energy metabolism. A series of studies support the notion that long-term appetite and weight regulation may be already programmed in early life and it could be demonstrated that the intrauterine environment affects the ghrelin syste...

journal_title：Neuroendocrinology

authors： Paslakis G,Buchmann AF,Westphal S,Banaschewski T,Hohm E,Zimmermann US,Laucht M,Deuschle M

更新日期：2014-01-01 00:00:00

abstract：:Somatostatin receptors on lactotroph cells of the anterior pituitary are positively regulated by estradiol. In the present work, we investigated whether estradiol regulation of somatostatin receptors also occurred in the female rat brain. 125I-Tyr0-DTrp8-somatostatin (125I-SRIF: 780 Ci/mM) was used as a ligand. Female...

journal_title：Neuroendocrinology

authors： Slama A,Videau C,Kordon C,Epelbaum J

更新日期：1992-08-01 00:00:00

abstract：:The push-pull perfusion technique, in conjunction with specific radioimmunoassays, was used to monitor the release of both arginine vasopressin (AVP) and oxytocin (OXT) within distinct limbic brain areas of conscious female rats. In pregnant rats near term, the release of AVP was greater than that of virgin rats in bo...

journal_title：Neuroendocrinology

authors： Landgraf R,Neumann I,Pittman QJ

更新日期：1991-10-01 00:00:00

abstract：:The differential role of porcine follicular fluid (pFF) in regulating follicle-stimulating hormone (FSH) and luteinizing hormone (LH) release in vivo in situations of different gonadotropin releasing hormone (GnRH) backgrounds was studied. In experiment 1, 2-week ovariectomized rats injected intravenously with 4, 16 o...

journal_title：Neuroendocrinology

authors： Charlesworth MC,Grady RR,Shin L,Vale WW,Rivier C,Rivier J,Schwartz NB

更新日期：1984-03-01 00:00:00

abstract：:The primary treatment of gastroenteropancreatic neuroendocrine tumors (GEPNETs) is surgery with curative intent or debulking of the tumor mass. In case of metastatic disease, cytoreductive options are limited. A relatively new therapeutic modality, peptide receptor radionuclide therapy (PRRT) with radiolabeled somatos...

journal_title：Neuroendocrinology

authors： van Vliet EI,Teunissen JJ,Kam BL,de Jong M,Krenning EP,Kwekkeboom DJ

更新日期：2013-01-01 00:00:00

abstract：:Structural and functional impairment of the skeletal system remains an important cause of morbidity and disability in patients with Cushing's syndrome (CS). Glucocorticoid (GC) excess inhibits bone formation and calcium absorption from the gut, increases bone resorption, and alters the secretion of gonadotropin and gr...

journal_title：Neuroendocrinology

authors： Kaltsas G,Makras P

更新日期：2010-01-01 00:00:00

abstract：:The relationship between concentrations of vasopressin in plasma and cerebrospinal fluid (CSF) was examined under basal and hypoxic conditions in unanesthetized and unrestrained adult female sheep. Under basal conditions mean (+/- SE) concentration of vasopressin (4.1 +/- 0.3 pg/ml) in CSF was significantly (p less th...

journal_title：Neuroendocrinology

authors： Stark RI,Daniel SS,Husain MK,Zubrow AB,James LS

更新日期：1984-06-01 00:00:00

abstract：:We measured the concentration of oxytocin and vasopressin in microdissected areas of the hypothalamus and posterior pituitary in weanling and adult female rats. Oxytocin concentration was significantly less in adult rats as compared to weanling rats in the supraoptic nucleus, median eminence, and retrochiasmatic area ...

journal_title：Neuroendocrinology

authors： Jackson R,George JM

更新日期：1980-08-01 00:00:00

abstract：:In experiment I we studied the capacity of progesterone (P) and two nonsteroidal agents that activate lordosis, but do not bind to the progestin receptor (PR), i.e. luteinizing hormone-releasing hormone (LHRH) and prostaglandin E2 (PGE2) to induce sequential inhibition (SI) in ovariectomized estradiol-primed rats. The...

journal_title：Neuroendocrinology

authors： González-Mariscal G,Melo AI,Beyer C

更新日期：1993-05-01 00:00:00